BONRAY DRILLING CORP
SC 13D, 1997-01-16
DRILLING OIL & GAS WELLS
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                SECURITIES AND EXCHANGE COMMISSION

                     Washington, D. C. 20549

                           SCHEDULE 13D

            Under the Securities Exchange Act of 1934

                   Bonray Drilling Corporation
                         (Name of Issuer)

             Common Stock, par value $1.00 per share
                 (Title and Class of Securities)
                                               
                           098523 20 2
                          (Cusip Number)


                   Richard B. Hefner, President
                   Bonray Drilling Corporation
                    4701 Northeast 23rd Street
                  Oklahoma City, Oklahoma  73121
                          (405) 424-4327

     (Name, Address and Telephone Number of Person Authorized To
     Receive Notices and communications)

                         January 6, 1997
         (Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule
13G to report the acquisition which is the subject of this Schedule
13D, and is filing this schedule because of Rule 13d-1(b)(3) or
(4), check the following box                                [  ].

Check the following box if a fee is being paid with this statement
[ x ].  (A fee is not required only if the reporting person: (1)
has a previous statement on file reporting beneficial ownership of
more than five percent of the class of securities described in Item
1; and (2) has filed no amendment subsequent thereto reporting
beneficial ownership of less than five percent of such class. 
See Rule 13d-7.)

Note:  Six copies of this statement, including all exhibits, should
be filed with the Commission.  See Rule 13d-1 (a) for other parties
to whom copies to be sent.

The remainder of this cover page shall be filled out for a
*reporting person's initial filing on this form with respect to the
subject class of securities, and for any subsequent amendment
containing information which would alter disclosures provided in a
prior cover page.
<PAGE>
The information required on the remainder of this cover page shall
not be deemed to be "filed" for the purpose of Section 18 of the
Securities Exchange Act of 1934 ("Act") or otherwise subject to the
liabilities of that section of the Act but shall be subject to all
other provisions of the Act (however, see the Notes).


                           SCHEDULE 13D


CUSIP 098523 20 2
- -----------------------------------------------------------------
          NAME OF REPORTING PERSON
     1.   HBH Enterprises A Limited Partnership
- -----------------------------------------------------------------
     2.   Check Appropriate Box if a Member of A Group (a) [x]
                                                       (b) [ ]
- -----------------------------------------------------------------
     3.   SEC Use Only
- -----------------------------------------------------------------
     4.   Source of Funds:    Not Applicable
- -----------------------------------------------------------------
     5.   Check if Disclosure of Legal Proceedings is Required
          Pursuant to Items 2(d) or 2(e)                    [ ]  
- -----------------------------------------------------------------
     6.   Citizenship or Place of Organization -  Oklahoma
- -----------------------------------------------------------------
     Number         7.   Sole Voting Power: 0 shares
     of Shares      ---------------------------------------------
     Beneficially   
     Owned by
     Each           8.   Shared Voting Power: 148,850 shares
     Reporting      --------------------------------------------- 
     Person         9.   Sole Dispositive Power: 0 shares
     With           ---------------------------------------------
                    10.  Shared Dispositive Power: 148,850 shares 
  -----------------------------------------------------------------
     11.  Aggregate Amount Beneficially Owned by Each Reporting
          Person
                          148,850 shares
- -----------------------------------------------------------------
     12.  Check if the Aggregate Amount in Row (11) Excludes
          Certain Shares                                    [ ]
- -----------------------------------------------------------------
     13.  Percent of Class Represented by Amount in Row (11)
                              35.1%
- -----------------------------------------------------------------
     14.  Type of Reporting Person      PN  
- -----------------------------------------------------------------
<PAGE>
                           SCHEDULE 13D


CUSIP 098523 20 2
- -----------------------------------------------------------------
          NAME OF REPORTING PERSON
     1.   Raymond H. Hefner, Jr.
- -----------------------------------------------------------------
     2.   Check Appropriate Box if a Member of A Group (a) [x]
                                                       (b) [ ]
- -----------------------------------------------------------------
     3.   SEC Use Only
- -----------------------------------------------------------------
     4.   Source of Funds:    Not Applicable
- -----------------------------------------------------------------
     5.   Check if Disclosure of Legal Proceedings is Required
          Pursuant to Items 2(d) or 2(e)                    [ ]  
- -----------------------------------------------------------------
     6.   Citizenship or Place of Organization -  United States
- -----------------------------------------------------------------
     Number         7.   Sole Voting Power: 16,130 shares
     of Shares      ---------------------------------------------
     Beneficially   
     Owned by
     Each           8.   Shared Voting Power:  149,530 shares
     Reporting      --------------------------------------------- 
     Person         9.   Sole Dispositive Power: 16,130 shares
     With           ---------------------------------------------
                    10.  Shared Dispositive Power: 149,530 shares 
  
- -----------------------------------------------------------------
     11.  Aggregate Amount Beneficially Owned by Each Reporting
          Person
                          165,660 shares
- -----------------------------------------------------------------
     12.  Check if the Aggregate Amount in Row (11) Excludes
          Certain Shares                                    [ ]
- -----------------------------------------------------------------
     13.  Percent of Class Represented by Amount in Row (11)
                              39.1%
- -----------------------------------------------------------------
     14.  Type of Reporting Person      IN  
- -----------------------------------------------------------------
<PAGE>
                           SCHEDULE 13D


CUSIP 098523 20 2
- -----------------------------------------------------------------
          NAME OF REPORTING PERSON
     1.   The Vici Kay Heitzke Trust
- -----------------------------------------------------------------
     2.   Check Appropriate Box if a Member of A Group (a) [x]
                                                       (b) [ ]
- -----------------------------------------------------------------
     3.   SEC Use Only
- -----------------------------------------------------------------
     4.   Source of Funds:    Not Applicable
- -----------------------------------------------------------------
     5.   Check if Disclosure of Legal Proceedings is Required
          Pursuant to Items 2(d) or 2(e)                    [ ]  
- -----------------------------------------------------------------
     6.   Citizenship or Place of Organization -  Oklahoma
- -----------------------------------------------------------------
     Number         7.   Sole Voting Power:      0 shares
     of Shares      ---------------------------------------------
     Beneficially   
     Owned by
     Each           8.   Shared Voting Power: 120 shares
     Reporting      --------------------------------------------- 
     Person         9.   Sole Dispositive Power:   0  shares
     With           ---------------------------------------------
                    10.  Shared Dispositive Power:  120 shares   
- -----------------------------------------------------------------
     11.  Aggregate Amount Beneficially Owned by Each Reporting
          Person
                            120 shares
- -----------------------------------------------------------------
     12.  Check if the Aggregate Amount in Row (11) Excludes
          Certain Shares                                    [ ]
- -----------------------------------------------------------------
     13.  Percent of Class Represented by Amount in Row (11)
                                0%
- -----------------------------------------------------------------
     14.  Type of Reporting Person      OO
- -----------------------------------------------------------------
<PAGE>
                           SCHEDULE 13D


CUSIP 098523 20 2
- -----------------------------------------------------------------
          NAME OF REPORTING PERSON
     1.   The Brenda Gay Burkey Trust
- -----------------------------------------------------------------
     2.   Check Appropriate Box if a Member of A Group (a) [x]
                                                       (b) [ ]
- -----------------------------------------------------------------
     3.   SEC Use Only
- -----------------------------------------------------------------
     4.   Source of Funds:    Not Applicable
- -----------------------------------------------------------------
     5.   Check if Disclosure of Legal Proceedings is Required
          Pursuant to Items 2(d) or 2(e)                    [ ]  
- -----------------------------------------------------------------
     6.   Citizenship or Place of Organization -  Oklahoma
- -----------------------------------------------------------------
     Number         7.   Sole Voting Power:      0 shares
     of Shares      ---------------------------------------------
     Beneficially   
     Owned by
     Each           8.   Shared Voting Power: 120 shares
     Reporting      --------------------------------------------- 
     Person         9.   Sole Dispositive Power:   0  shares
     With           ---------------------------------------------
                    10.  Shared Dispositive Power:  120 shares   
- -----------------------------------------------------------------
     11.  Aggregate Amount Beneficially Owned by Each Reporting
          Person
                            120 shares
- -----------------------------------------------------------------
     12.  Check if the Aggregate Amount in Row (11) Excludes
          Certain Shares                                    [ ]
- -----------------------------------------------------------------
     13.  Percent of Class Represented by Amount in Row (11)
                                0%
- -----------------------------------------------------------------
     14.  Type of Reporting Person      OO
- -----------------------------------------------------------------
<PAGE>
                           SCHEDULE 13D


CUSIP 098523 20 2
- -----------------------------------------------------------------
          NAME OF REPORTING PERSON
     1.   The Richard Boyd Hefner Trust
- -----------------------------------------------------------------
     2.   Check Appropriate Box if a Member of A Group (a) [x]
                                                       (b) [ ]
- -----------------------------------------------------------------
     3.   SEC Use Only
- -----------------------------------------------------------------
     4.   Source of Funds:    Not Applicable
- -----------------------------------------------------------------
     5.   Check if Disclosure of Legal Proceedings is Required
          Pursuant to Items 2(d) or 2(e)                    [ ]  
- -----------------------------------------------------------------
     6.   Citizenship or Place of Organization -  Oklahoma
- -----------------------------------------------------------------
     Number         7.   Sole Voting Power:      0 shares
     of Shares      ---------------------------------------------
     Beneficially   
     Owned by
     Each           8.   Shared Voting Power: 120 shares
     Reporting      --------------------------------------------- 
     Person         9.   Sole Dispositive Power:   0  shares
     With           ---------------------------------------------
                    10.  Shared Dispositive Power:  120 shares   
- -----------------------------------------------------------------
     11.  Aggregate Amount Beneficially Owned by Each Reporting
          Person
                            120 shares
- -----------------------------------------------------------------
     12.  Check if the Aggregate Amount in Row (11) Excludes
          Certain Shares                                    [ ]
- -----------------------------------------------------------------
     13.  Percent of Class Represented by Amount in Row (11)
                                0%
- -----------------------------------------------------------------
     14.  Type of Reporting Person      OO
- -----------------------------------------------------------------
<PAGE>
                           SCHEDULE 13D


CUSIP 098523 20 2
- -----------------------------------------------------------------
          NAME OF REPORTING PERSON
     1.   Richard B. Hefner
- -----------------------------------------------------------------
     2.   Check Appropriate Box if a Member of A Group (a) [x]
                                                       (b) [ ]
- -----------------------------------------------------------------
     3.   SEC Use Only
- -----------------------------------------------------------------
     4.   Source of Funds:    Not Applicable
- -----------------------------------------------------------------
     5.   Check if Disclosure of Legal Proceedings is Required
          Pursuant to Items 2(d) or 2(e)                    [ ]  
- -----------------------------------------------------------------
     6.   Citizenship or Place of Organization -  United States
- -----------------------------------------------------------------
     Number         7.   Sole Voting Power:  120 shares
     of Shares      ---------------------------------------------
     Beneficially   
     Owned by
     Each           8.   Shared Voting Power:  148,850 shares
     Reporting      --------------------------------------------- 
     Person         9.   Sole Dispositive Power:  120 shares
     With           ---------------------------------------------
                    10.  Shared Dispositive Power:  148,850 shares 
 
- -----------------------------------------------------------------
     11.  Aggregate Amount Beneficially Owned by Each Reporting
          Person
                          148,970 shares
- -----------------------------------------------------------------
     12.  Check if the Aggregate Amount in Row (11) Excludes
          Certain Shares                                    [ ]
- -----------------------------------------------------------------
     13.  Percent of Class Represented by Amount in Row (11)
                              35.2%
- -----------------------------------------------------------------
     14.  Type of Reporting Person      IN  
- -----------------------------------------------------------------
<PAGE>
                           SCHEDULE 13D


CUSIP 098523 20 2
- -----------------------------------------------------------------
          NAME OF REPORTING PERSON
     1.   Egean Financiera Corporation
- -----------------------------------------------------------------
     2.   Check Appropriate Box if a Member of A Group (a) [x]
                                                       (b) [ ]
- -----------------------------------------------------------------
     3.   SEC Use Only
- -----------------------------------------------------------------
     4.   Source of Funds:    Not Applicable
- -----------------------------------------------------------------
     5.   Check if Disclosure of Legal Proceedings is Required
          Pursuant to Items 2(d) or 2(e)                    [ ]  
- -----------------------------------------------------------------
     6.   Citizenship or Place of Organization -  Liberia
- -----------------------------------------------------------------
     Number         7.   Sole Voting Power:   0 shares
     of Shares      ---------------------------------------------
     Beneficially   
     Owned by
     Each           8.   Shared Voting Power:   29,819 shares
     Reporting      --------------------------------------------- 
     Person         9.   Sole Dispositive Power: 0 shares
     With           ---------------------------------------------
                    10.  Shared Dispositive Power: 29,819 shares
- -----------------------------------------------------------------
     11.  Aggregate Amount Beneficially Owned by Each Reporting
          Person
                          29,819 shares
- -----------------------------------------------------------------
     12.  Check if the Aggregate Amount in Row (11) Excludes
          Certain Shares                                    [ ]
- -----------------------------------------------------------------
     13.  Percent of Class Represented by Amount in Row (11)
                         7.0%
- -----------------------------------------------------------------
     14.  Type of Reporting Person   CO
- -----------------------------------------------------------------
<PAGE>
                        SCHEDULE 13D


CUSIP 098523 20 2
- -----------------------------------------------------------------
           NAME OF REPORTING PERSON
     1.   Circle Shipping Company
- -----------------------------------------------------------------
     2.   Check Appropriate Box if a Member of A Group (a) [x]
                                                       (b) [ ]
- -----------------------------------------------------------------
     3.   SEC Use Only
- -----------------------------------------------------------------
     4.   Source of Funds:    Not Applicable
- -----------------------------------------------------------------
     5.   Check if Disclosure of Legal Proceedings is Required
          Pursuant to Items 2(d) or 2(e)                    [ ]  
- -----------------------------------------------------------------
     6.   Citizenship or Place of Organization -  Liberia
- -----------------------------------------------------------------
     Number         7.   Sole Voting Power:     0 shares
     of Shares      ---------------------------------------------
     Beneficially   
     Owned by
     Each           8.   Shared Voting Power:  8,570 shares
     Reporting      --------------------------------------------- 
     Person         9.   Sole Dispositive Power:    0 shares
     With           ---------------------------------------------
                    10.  Shared Dispositive Power:  8,570 shares
- -----------------------------------------------------------------
     11.  Aggregate Amount Beneficially Owned by Each Reporting
          Person
                              8,570 shares
- -----------------------------------------------------------------
     12.  Check if the Aggregate Amount in Row (11) Excludes
          Certain Shares                                    [ ]
- -----------------------------------------------------------------
     13.  Percent of Class Represented by Amount in Row (11)
                              2.0%
- -----------------------------------------------------------------
     14.  Type of Reporting Person  CO   
- -----------------------------------------------------------------
<PAGE>
                           SCHEDULE 13D


CUSIP 098523 20 2
- -----------------------------------------------------------------
          NAME OF REPORTING PERSON
     1.   Sierra Financiera Corporation
- -----------------------------------------------------------------
     2.   Check Appropriate Box if a Member of A Group (a) [x]
                                                       (b) [ ]
- -----------------------------------------------------------------
     3.   SEC Use Only
- -----------------------------------------------------------------
     4.   Source of Funds:    Not Applicable
- -----------------------------------------------------------------
     5.   Check if Disclosure of Legal Proceedings is Required
          Pursuant to Items 2(d) or 2(e)                    [ ]  
- -----------------------------------------------------------------
     6.   Citizenship or Place of Organization -  Liberia
- -----------------------------------------------------------------
     Number         7.   Sole Voting Power:      0 shares
     of Shares      ---------------------------------------------
     Beneficially   
     Owned by
     Each           8.   Shared Voting Power:   7,915 shares
     Reporting      --------------------------------------------- 
     Person         9.   Sole Dispositive Power:    0 shares
     With           ---------------------------------------------
                    10.  Shared Dispositive Power:  7,915 shares
- -----------------------------------------------------------------
     11.  Aggregate Amount Beneficially Owned by Each Reporting
          Person
                              7,915 shares
- -----------------------------------------------------------------
     12.  Check if the Aggregate Amount in Row (11) Excludes
          Certain Shares                                    [ ]
- -----------------------------------------------------------------
     13.  Percent of Class Represented by Amount in Row (11)
                              1.9%
- -----------------------------------------------------------------
     14.  Type of Reporting Person  CO   
- -----------------------------------------------------------------
<PAGE>
                           SCHEDULE 13D


CUSIP 098523 20 2
- -----------------------------------------------------------------
          NAME OF REPORTING PERSON
     1.   Michael Teriakidis
- -----------------------------------------------------------------
     2.   Check Appropriate Box if a Member of A Group (a) [x]
                                                       (b) [ ]
- -----------------------------------------------------------------
     3.   SEC Use Only
- -----------------------------------------------------------------
     4.   Source of Funds:    Not Applicable
- -----------------------------------------------------------------
     5.   Check if Disclosure of Legal Proceedings is Required
          Pursuant to Items 2(d) or 2(e)                    [ ]  
- -----------------------------------------------------------------
     6.   Citizenship or Place of Organization -  Athens, Greece
- -----------------------------------------------------------------
     Number         7.   Sole Voting Power:   6,741 shares
     of Shares      ---------------------------------------------
     Beneficially   
     Owned by
     Each           8.   Shared Voting Power:  46,304 shares
     Reporting      --------------------------------------------- 
     Person         9.   Sole Dispositive Power:  6,741 shares
     With           ---------------------------------------------
                    10.  Shared Dispositive Power:   46,304 shares
- -----------------------------------------------------------------
     11.  Aggregate Amount Beneficially Owned by Each Reporting
          Person
                                   53,045 shares
- -----------------------------------------------------------------
     12.  Check if the Aggregate Amount in Row (11) Excludes
          Certain Shares                                    [ ]
- -----------------------------------------------------------------
     13.  Percent of Class Represented by Amount in Row (11)
                                   12.5%
- -----------------------------------------------------------------
     14.  Type of Reporting Person   IN
- -----------------------------------------------------------------
<PAGE>
                           SCHEDULE 13D


CUSIP 098523 20 2
- -----------------------------------------------------------------
          NAME OF REPORTING PERSON
     1.   James R. Tolbert III, Custodian
- -----------------------------------------------------------------
     2.   Check Appropriate Box if a Member of A Group (a) [x]
                                                       (b) [ ]
- -----------------------------------------------------------------
     3.   SEC Use Only
- -----------------------------------------------------------------
     4.   Source of Funds:    Not Applicable
- -----------------------------------------------------------------
     5.   Check if Disclosure of Legal Proceedings is Required
          Pursuant to Items 2(d) or 2(e)                    [ ]  
- -----------------------------------------------------------------
     6.   Citizenship or Place of Organization -  United States
- -----------------------------------------------------------------
     Number         7.   Sole Voting Power:     10 shares
     of Shares      ---------------------------------------------
     Beneficially   
     Owned by
     Each           8.   Shared Voting Power:    0 shares
     Reporting      --------------------------------------------- 
     Person         9.   Sole Dispositive Power:  10 shares
     With           ---------------------------------------------
                    10.  Shared Dispositive Power:  0 shares
- -----------------------------------------------------------------
     11.  Aggregate Amount Beneficially Owned by Each Reporting
          Person
                              11,590 shares
- -----------------------------------------------------------------
     12.  Check if the Aggregate Amount in Row (11) Excludes
          Certain Shares                                    [ ]
- -----------------------------------------------------------------
     13.  Percent of Class Represented by Amount in Row (11)
                              2.7%
- -----------------------------------------------------------------
     14.  Type of Reporting Person    IN   
- -----------------------------------------------------------------
<PAGE>
                           SCHEDULE 13D


CUSIP 098523 20 2
- -----------------------------------------------------------------
          NAME OF REPORTING PERSON
     1.   James R. Tolbert III Revocable Trust
- -----------------------------------------------------------------
     2.   Check Appropriate Box if a Member of A Group (a) [x]
                                                       (b) [ ]
- -----------------------------------------------------------------
     3.   SEC Use Only
- -----------------------------------------------------------------
     4.   Source of Funds:    Not Applicable
- -----------------------------------------------------------------
     5.   Check if Disclosure of Legal Proceedings is Required
          Pursuant to Items 2(d) or 2(e)                    [ ]  
- -----------------------------------------------------------------
     6.   Citizenship or Place of Organization -  United States
- -----------------------------------------------------------------
     Number         7.   Sole Voting Power:  11,440 shares
     of Shares      ---------------------------------------------
     Beneficially   
     Owned by
     Each           8.   Shared Voting Power:    0 shares
     Reporting      --------------------------------------------- 
     Person         9.   Sole Dispositive Power:  11,440 shares
     With           ---------------------------------------------
                    10.  Shared Dispositive Power:   0 shares
- -----------------------------------------------------------------
     11.  Aggregate Amount Beneficially Owned by Each Reporting
          Person
                              11,590 shares
- -----------------------------------------------------------------
     12.  Check if the Aggregate Amount in Row (11) Excludes
          Certain Shares                                    [ ]
- -----------------------------------------------------------------
     13.  Percent of Class Represented by Amount in Row (11)
                              2.7%
- -----------------------------------------------------------------
     14.  Type of Reporting Person  00   
- -----------------------------------------------------------------
<PAGE>
Item 1.   Security and Issuer

     This Schedule 13D relates to common stock of Bonray Drilling
Corporation (the "Company"), par value $1.00 per share ("Common
Stock").  The principal executive offices of the Company are
located at 4701 N.E. 23rd Street, Oklahoma City, Oklahoma  73121.

Item 2.   Identity and Background.

     The persons listed below became members of a group (the
"Group") for the purpose of Rule 13D-1 of the Securities Exchange
Act of 1934 (the "Act") when they agreed to act together pursuant
to the terms of that certain Stockholder Tender Agreement dated
January 6, 1997, a copy of which is attached hereto as Exhibit 1
and incorporated herein by reference (the "Agreement").  The
business address of each member of the Group, their respective
principal occupations or employment, and the name, principal
business and business of any corporation or other organization in
which such employment is conducted is set forth below.  The
citizenship or place of organization of each person listed below 
is indicated in response to Item 6 on the respective cover page
filed herewith with respect to such person.  None of the persons
listed below have, during the last five years, been convicted in a
criminal proceeding (excluding traffic violations or similar
misdemeanors).  None of the persons listed below have, during the
last five years, been a party to a civil proceeding of a judicial
or administrative body of competent jurisdiction which proceeding
resulted in such person being subjected to a judgment, decree or
final order enjoining future violations of, or prohibiting or
mandating activities subject to, federal or state securities laws
or finding any violation with respect to such laws.

     1.   HBH Enterprises A Limited Partnership 

     HBH Enterprises A Limited Partnership ("HBH") is an Oklahoma
limited partnership, the purposes of which are to (i) invest in
stocks, bonds and securities (including general and limited
partnership interests) of any kind, (ii) acquire, own and operate
real and personal property, (iii) engage in oil, gas and other
mineral operations, including, exploration, development and
production, and (iv) do any and all things necessary or incident to
the foregoing.  The address of the principal business and principal
office of HBH is 4701 N.E. 23rd Street, Oklahoma City, OK 73121. 
Hefner Enterprises, a Texas general partnership and predecessor to
HBH ("Hefner Enterprises"), filed a Schedule 13D when it acquired
148,840 shares of Common Stock on November 1, 1996.  Hefner
Enterprises later acquired an additional ten shares of Common
Stock.  At the close of business on December 31, 1995, Hefner
Enterprises and HBH were merged with HBH surviving the merger.

     HBH Holding Corporation, an Oklahoma corporation ("Holding"),
is the general partner of HBH.  The address of the principal
business and principal office of Holding is 4701 N.E. 23rd Street,
Oklahoma City, OK 73121.  The controlling persons of Holding are
Raymond H. Hefner, Jr. and Bonnie B. Hefner, each of whom own 35%
of the outstanding Common Stock of Holding.  The executive officers
and directors of Holding are all United States citizens and, unless
otherwise indicated below, the business address of each is the same
as Holding.  The name and principal occupation of each are as
follows:

     Raymond H. Hefner, Jr. is Chairman of the Board of the
Company.  Mr. Hefner is the President and a director of Holding.

     Bonnie B. Hefner is the wife of Raymond H. Hefner, Jr. and is
a housewife.  Mrs. Hefner is the Secretary/Treasurer and a director
of Holding.

     Vici H. Heitzke is the daughter of Mr. and Mrs. Hefner and is
a housewife.  Mrs. Heitzke serves as Vice President of Holding.

     Brenda H. Burkey is the daughter of Mr. and Mrs. Hefner and is
a housewife.  Mrs. Burkey serves as Vice President of Holding.

     Richard B. Hefner is the President and Chief Executive Officer
of the Company.  He is the son of Mr. and Mrs. Hefner.  Richard
Hefner serves as Vice President of Holding.

     2.   The Vici Kay Heitzke Trust

     The Vici Kay Heitzke Trust, an Oklahoma trust, is located at
4701 N.E. 23rd Street, Oklahoma City, OK 73121.  Gary F. Fuller is
the sole trustee of the trust and is a senior shareholder at the
law firm of McAfee & Taft A Professional Corporation located at
10th Floor, Two Leadership Square, 211 North Robinson, Oklahoma
City, Oklahoma 73102.  The trust was formed under an instrument
dated December 23, 1976.

     3.   The Brenda Gay Burkey Trust

     The Brenda Gay Burkey Trust, an Oklahoma trust, is located at
4701 N.E. 23rd Street, Oklahoma City, OK 73121.  Gary F. Fuller is
the sole trustee of the trust and is a senior shareholder at the
law firm of McAfee & Taft A Professional Corporation located at
10th Floor, Two Leadership Square, 211 North Robinson, Oklahoma
City, Oklahoma 73102.  The trust was formed under an instrument
dated December 23, 1976.

     4.   The Richard Boyd Hefner Trust

     The Richard Boyd Hefner Trust, an Oklahoma trust, is located
at 4701 N.E. 23rd Street, Oklahoma City, OK 73121.  Gary F. Fuller
is the sole trustee of the trust and is a senior shareholder at the
law firm of McAfee & Taft A Professional Corporation located at
10th Floor, Two Leadership Square, 211 North Robinson, Oklahoma
City, Oklahoma 73102.  The trust was formed under an instrument
dated December 23, 1976.

     5.   Raymond H. Hefner, Jr.

     For information regarding Mr. Hefner, see the information
opposite his name above for HBH and Holding.

     6.   Richard B. Hefner.

     For information regarding Mr. Hefner, see the information
opposite his name above for HBH and Holding.

     7.   Egean Financiera Corporation

     Egean Financiera Corporation ("Egean") is a Liberian
corporation the principal business purpose of which is shipping. 
The address of the principal business and principal office of Egean
is c/o Southern Shipping and Financing, Fourth Floor - #3 London
Wall Buildings, London Wall, London EC2M 5RL.  
The executive officers and directors of Egean are all citizens of
Greece and, unless otherwise indicated below, the business address
of each is the same as Egean.  The name and principal occupation of
each are as follows, and, unless otherwise indicated below, their
position is with Egean:

     Olympia Kedros is the President and a director.

     Valentini Manuelidis is Vice President and director.

     Michael Teriakidis is Secretary/Treasurer and director.  Mr.
Teriakidis is also Secretary/Treasurer and director of Circle
Shipping Company and Sierra Financiera Corporation.  Mr.
Teriakidis's address is c/o Halkidon Shipping Corporation, 85 Akti
Miaouli, Piraeus 185-38 Greece.  

     8.   Circle Shipping Company

     Circle Shipping Company ("Circle") is a Liberian corporation
the principal business purpose of which is shipping.
The address of the principal business and principal office of
Circle is c/o Halkidon Shipping Corporation, 85 Akti Miaouli,
Piraeus 185-38 Greece.   The executive officers
and directors of Circle are all citizens of Greece and, unless
otherwise indicated below, the business address of each is the same
as Circle.  The name and principal occupation of each is as
follows, and, unless otherwise indicated below, their position is
with Circle:

     Spyros Vlachakis is the President and a director.  Mr.
Vlachakis is also the President and director of Sierra Financiera
Corporation.

     Marina Pappas is the Vice President and director.  Mrs. Pappas
is also the Vice President and director of Sierra Financiera
Corporation.

     Michael Teriakidis is Secretary and Treasurer and director. 
For more information regarding Mr. Teriakidis, see the information
opposite his name above for Egean Financiera Corporation.

     9.   Sierra Financiera Corporation

     Sierra Financiera Corporation ("Sierra") is a Liberian
corporation the principal business purpose of which is shipping.
The address of the principal business and principal office of
Circle is c/o Halkidon Shipping Corporation, 85 Akti Miaouli,
Piraeus 185-38 Greece.  [control persons?]  The executive officers
and directors of Sierra are the same as the executive officers and
directors of Circle Shipping Company.

     10.  Michael Teriakidis.

     For information regarding Mr. Teriakidis, see the information
opposite his name above for Egean Financeria Corporation.

     11.  James R. Tolbert III, Custodian.

     Mr. Tolbert is a director of the Company.  Mr Tolbert is also
the Chairman, President, Chief Executive Officer and Treasurer of
First Oklahoma Corporation, a holding company (120 E. Sheridan,
Oklahoma City, Oklahoma  73104).  Mr. Tolbert's address is c/o
First Oklahoma Corporation, P.O. Box 1533, Oklahoma City, OK 73101.

     12.  James R. Tolbert III Revocable Trust

     The James R. Tolbert III Revocable Trust, an Oklahoma trust,
is located at c/o First Oklahoma Corporation, P.O. Box 1533,
Oklahoma City, OK 73101.   Mr. Tolbert is the sole trustee of the
trust.  For more information regarding Mr. Tolbert, see the
information set forth opposite his name above.  The trust was
formed under an instrument dated September 23, 1994.

Item 3.   Source and Amount of Funds or Other Consideration

     The Group's acquisition of stock did not involve a purchase. 
The shares of Common Stock beneficially owned by its members are
deemed to have been acquired by the Group when the members of the
Group agreed to act together pursuant to the Agreement.

Item 4.   Purpose of Transaction.

     On January 7, 1997, the Group executed the Agreement. 
Pursuant to the Agreement, each member of the Group agrees to
tender their stock to Acquisition Drilling, Inc., a Delaware
corporation ("Purchaser"), a wholly-owned subsidiary of DLB Oil &
Gas, Inc., an Oklahoma corporation ("Parent"), pursuant to the
tender offer announced by Purchaser on January 7, 1997 (the
"Offer").  Pursuant to the Offer, Purchaser offered to purchase all
outstanding shares of Common Stock of the Company at a purchase
price of $30.00 per share, net to the seller in cash, without
interest thereon (the "Offer Price"), upon the terms and subject to
the conditions set forth in the Offer.  The Group beneficially
owned approximately 54% of the total issued and outstanding Common
Stock of the Company on January 6, 1997.  After reviewing the
Offer, each member of the Group determined that it was in that
member's best interest to tender their shares to Purchaser pursuant
to the terms of the Offer and the Agreement.

     Pursuant to the Agreement, each member of the Group has
irrevocably appointed representatives of Parent as proxies for the
member to vote all shares of Common Stock that the member is
entitled to vote (together with any other shares of Common Stock
that the member may become entitled to vote), for and in the name,
place and stead of the member at any meeting of the holders of
shares of Common Stock or any adjournments or postponements thereof
or pursuant to any consent in lieu of a meeting, or otherwise, with
respect only to the approval of the Merger Agreement (discussed
below), the transactions contemplated by the Merger Agreement and
any matters related to or in conjunction with the Merger (defined
below) and any corporate action, the consummation of which would
violate, frustrate the purposes of, prevent, or delay the con-
summation of the transactions contemplated by the Merger Agreement. 
Pursuant to the Agreement, each member of the Group in his capacity
as a stockholder, and not in his capacity as a director of the Com-
pany, has agreed to negotiate exclusively with Parent and Purchaser
with regard to the acquisition of the Company.

     In conjunction with the Offer, the Company, Parent and
Purchaser executed an Agreement and Plan of Merger dated January 6,
1997 (the "Merger Agreement").  The Merger Agreement provides,
among other things, for the commencement of the Offer by Purchaser
and further provides that, after the purchase of Common Stock
pursuant to the Offer and subject to the satisfaction or waiver of
certain conditions set forth in the Merger Agreement, Purchaser
will be merged with and into the Company with the Company surviving
the Merger as a direct wholly-owned subsidiary of Parent (the
"Merger").  Pursuant to the Merger, each outstanding share of
Common Stock (excluding shares owned, directly or indirectly, by
the Company, Parent, Purchaser or any other subsidiary of Parent
and shares owned by holders who shall have properly exercised their
appraisal rights under the Delaware General Corporation Law) will
be converted into the right to receive the Offer Price.

     Effective upon payment by Purchaser for the Common Stock
pursuant to the Offer, Purchaser shall be entitled to designate the
number of directors of the Company, rounded up to the next whole
number, that equals the product of (i) the total number of
directors on the board (giving effect to the election or
appointment of any additional directors pursuant to the terms of
the Merger Agreement), and (ii) the percentage that the number of
shares of Common Stock beneficially owned by Parent and Purchaser
(including shares accepted for payment) bears to the total number
of shares of Common Stock outstanding.  The Company has agreed that
it will take all action necessary to cause Purchaser's designees to
be elected or appointed to the board.  A Schedule 14D-9 and 14F-1
describing the Agreement, the Merger Agreement and the director-designees, 
as well as other relevant information, have been filed
with the Securities and Exchange Commission and mailed to the
Company's stockholders.

     Group members Raymond H. Hefner, Jr., Richard B. Hefner and
James R. Tolbert, III constitute three of five members of the board
of directors of the Company.  At a special meeting of the board of
directors held on January 6, 1997, the board unanimously adopted
the Merger Agreement.  In making its recommendation, the board of
directors considered several factors including the Company's past
and present financial condition, reasonable expectations for future
business, the market price of the Company's Common Stock as traded
over the last four quarters, the terms of the Offer and Merger
Agreement, the General Accounting Office's recent statement that
the United States should use foreign oil and preserve domestic
inventories and the decrease in rig count in the State of Oklahoma
for the present week from the previous week.  The directors also
noted that all stockholders were receiving the same price for their
stock.

     Except as set forth in this Item 4, no member of the Group has
any plans or proposals which would relate to or result in any of
the following:

     (a)  The acquisition by any person of additional securities of
          the Company, or the disposition of securities of the
          Company;

     (b)  An extraordinary corporate transaction, such as a merger,
          reorganization or liquidation, involving the Company or
          any of its subsidiaries;

     (c)  A sale or transfer of a material amount of assets of the
          Company or any of its subsidiaries;

     (d)  Any change in the present board of directors or
          management of the Company, including any plans or
          proposals to change the number or term of directors or to
          fill any existing vacancy on the board;

     (e)  Any material change in the present capitalization or
          dividend policy of the Company;

     (f)  Any other material change in the Company's business or
          corporate structure;

     (g)  Changes in the Company's charter, bylaws or instruments
          corresponding thereto or other actions which may impede
          the acquisition of control of the Company by any person;

     (h)  Causing a class of securities of the Company to cease to
          be authorized to be quoted in an inter-dealer quotation
          system of a registered national securities association;

     (i)  A class of equity securities of the Company becoming
          eligible for termination of registration pursuant to
          Section 12(g)(4) of the Act; or

     (j)  Any action similar to those enumerated above.

 
Item 5.   Interest in Securities of the Issuer.

     (a)  The Group beneficially owns 229,715 shares of Common
Stock, which as of January 6, 1997 represented 54.24% of the
423,540 shares of Common Stock outstanding.

     (b)  The following table sets forth the name of each member of
the Group, the number of shares beneficially owned by each, the
nature of such beneficial ownership and the percent of outstanding
shares so owned based upon information furnished by the indicated
person as of January 6, 1997.
<TABLE>
<CAPTION>
                           Amount and Nature
                          of Beneficial          Percent of
     Name                  Ownership(1)           Class(2)   
<S>                        <C>                     <C>                            
HBH Enterprises A 
Limited Partnership        148,850(3)              35.1%

HBH Holding Corporation    148,850(3)              35.1%

Bonnie B. Hefner           165,660(3)(4)(5)        39.1%

Vici H. Heitzke            148,850(3)              35.1%

Brenda H. Burkey           149,040(3)(6)(7)        35.2%

Raymond H. Hefner, Jr.     165,660(3)(4)(5)        39.1%

Richard B. Hefner          148,970(3)(8)           35.2%

Vici Kay Heitzke Trust         120(9)               0.0%

Brenda Gay Burkey Trust        120(9)               0.0%

Richard Boyd Hefner Trust      120(9)               0.0%

Egean Financiera 
Corporation                 29,819(10)              7.0%

Olympia Kedros              29,819(11)              7.0%

Valentini Manuelidis        29,819(11)              7.0%

Circle Shipping Company      8,570(10)              2.0%

Spyros Vlachakis            16,485(12)              3.9%

Marina Pappas               16,485(12)              3.9%

Sierra Financiera
Corporation                  7,915(10)              1.9%

Michael Teriakidis           53,045(11)(12)        12.5%

James R. Tolbert III, 
Custodian                    11,590(13)             2.7%

James R. Tolbert III
Revocable Trust              11,590(13)             2.7%
_______________
</TABLE>
(1)  All shares of Common Stock are owned of record and
     beneficially with sole voting or investment power unless
     otherwise noted.

(2)  The percentage of outstanding shares of Common Stock is based
     on 423,540 shares of Common Stock, the amount of Common Stock
     outstanding on January 6, 1997.

(3)  Includes 148,850 Shares held by HBH Enterprises A Limited
     Partnership ("HBH").  The general partner of HBH is HBH
     Holding Corporation ("Holding"), and the limited partners are
     Raymond H. Hefner, Jr., Trustee, Raymond H. Hefner, Jr.
     Revocable Trust, Bonnie B. Hefner Revocable Trust, Bonnie B.
     Hefner, Trustee, Raymond H. Hefner, Jr. Revocable Trust,
     Bonnie B. Hefner Revocable Trust, Vici H. Heitzke, Brenda H.
     Burkey, Richard B. Hefner, Gary F. Fuller, Trustee, Vici H. 
     Heitzke Trust, Brenda Gay Burkey Trust, Richard B. Hefner
     Trust, Bonnie B. Hefner, Trustee, Leah Michelle Heitzke Family
     Trust, Phillip Matthew Heitzke Family Trust, Christopher Conor
     Burkey Family Trust, Nicole Raye Burkey Family Trust, Natalie
     Ann Burkey Family Trust, Leah Michelle Heitzke Minor's Trust,
     Phillip Matthew Heitzke Minor's Trust, Christopher Conor
     Burkey Minor's Trust, Nicole Raye Burkey Minor's Trust,
     Natalie Ann Burkey Minor's Trust, Katherine H. Hefner Minor's
     Trust, Ryan H. Hefner Minor's Trust, Matthew G. Heitzke,
     Trustee, Leah Michelle Heitzke Family Trust, Phillip Matthew
     Heitzke Family Trust, Leah Michelle Heitzke Minor's Trust,
     Phillip Matthew Heitzke Minor's Trust, Christopher H. Burkey,
     Trustee, Christopher Conor Burkey Family Trust, Nicole Raye
     Burkey Family Trust, Natalie Ann Burkey Family Trust,
     Christopher Conor Burkey Minor's Trust, Nicole Raye Burkey
     Minor's Trust, Natalie Ann Burkey Minor's Trust, Lisa K.
     Hefner, Trustee, Katherine H. Hefner Minor's Trust, Ryan H.
     Hefner Minor's Trust.  The outstanding capital stock of
     Holding is owned 35% by Raymond H. Hefner, Jr.; 35% by Bonnie
     B. Hefner, wife of Raymond H. Hefner, Jr.; with 10% each by
     Vici H. Heitzke, Brenda H. Burkey and Richard B. Hefner, the
     three (3) adult children of Raymond and Bonnie Hefner. 
     Raymond and Bonnie Hefner are the directors of Holding, and
     Raymond H. Hefner, Jr. is president of Holding and has voting
     and dispositive power with respect to the Shares of the
     Company held by HBH.

(4)  Includes 960 Shares held of record by Mr. Hefner and the right
     to acquire beneficial ownership of 15,170 Shares held by the
     Raymond H. Hefner, Jr. Revocable Trust, of which Mr. Hefner is
     settlor and sole trustee and over which Mr. Hefner has sole
     voting and investment power.  Mrs. Hefner disclaims any
     beneficial interest in these Shares.

(5)  Includes 680 Shares held by Mr. and Mrs. Hefner as joint
     tenants and as to which they share voting and investment
     power.

     
(6)  Includes 10 Shares held of record by Brenda H. Burkey, over
     which Brenda H. Burkey has sole voting and investment power. 
     Christopher H. Burkey disclaims any beneficial interest in
     these Shares.

(7)  Includes 180 Shares held of record by Christopher H. Burkey,
     over which Christopher H. Burkey has sole voting and
     investment power.  Brenda H. Burkey disclaims any beneficial
     interest in these Shares.

(8)  Includes 120 Shares held of record by Richard B. Hefner, over
     which Richard B. Hefner has sole voting and investment power.

(9)  The Vici Kay Heitzke Trust, the Brenda Gay Burkey Trust and
     the Richard Boyd Hefner Trust share beneficial ownership of
     120 shares held of record by Gary F. Fuller as Trustee of
     these trusts.

(10) Shares are held of record by Cede & Co.

(11) Beneficial ownership results from being an executive officer
     and director of Egean Financiera Corporation. 
     
(12) Beneficial ownership results from being an executive officer
     and director of Circle Shipping Company and Sierra Financiera
     Corporation.

(13) Ten shares are held by James R. Tolbert III, as Custodian, and
     11,440 shares are held by James R. Tolbert III, as Trustee of
     the James R. Tolbert III Revocable Trust.  Mr. Tolbert
     disclaims any beneficial ownership of 160 Shares included in
     the 11,590 Shares reflected above, of which 10 Shares are
     owned by his wife, 40 Shares are owned by his four adult
     children, and 110 Shares are held by S.C. Bomielle, Inc., a
     nominee corporation holding such Shares for Mr. Tolbert's
     adult children.  Mr. Tolbert has sole voting and investment
     power over the Shares described above, except with respect to
     the Shares owned by his wife, as to which he has no voting or
     investment power, and the 110 Shares held by S.C. Bomielle,
     Inc., as to which he shares voting power.

     (c)  No transactions in shares of the issuer by any Group
member were effected during the past 60 days.

     (d)  No other person has the right to receive or the power to
direct the receipt of dividends from or the proceeds from the sale
of the shares.

     (e)  Not applicable.


Item 6.   Contracts, Arrangements, Understandings or Relationships
          With Respect to Securities of the Issuer.

     Except as set forth in Item 4, there are no contracts,
arrangements, understandings or relationships (legal or otherwise)
among the persons named in Item 2 and between such persons and any
person with respect to any securities of the issuer, including but
not limited to transfer or voting of any of the securities,
finder's fees, joint ventures, loan or option arrangements, put or
calls, guarantees of profits, division of profits or loss, or the
giving or withholding of proxies. None of the issuer's securities
owned by a member of the Group are pledged or otherwise subject to
a contingency the occurrence of which would give another person
voting power or investment power over such securities.

Item 7.   Material to be File as Exhibits.

     Exhibit 1.     Stockholder Tender Agreement by and among DLB
                    Oil & Gas, Inc., Acquisition Drilling, Inc.
                    and certain stockholders of Bonray Drilling
                    Corporation dated January 6, 1997.

     Exhibit 2.     Agreement and Plan of Merger among DLB Oil &
                    Gas, Inc., Acquisition Drilling, Inc. and
                    Bonray Drilling Corporation dated January 6,
                    1997.

     Exhibit 3.     Agreement to File Group Form 13D.

     After reasonable inquiry and to the best of the undersigned's
knowledge and belief, the undersigned certifies that the
information set forth in this statement is true, complete and
correct.

Dated:  January 16, 1997          

                                      RAYMOND H. HEFNER, JR.

                                      Raymond H. Hefner, Jr.,
                                      Individually and as
                                      President of HBH Holding
                                      Corporation, General Partner
                                      of HBH Enterprises A Limited
                                      Partnership, and as attorney
                                      in fact for Gary Fuller as
                                      Trustee of the Vici Kay
                                      Heitzke Trust, the Brenda
                                      Gay Burkey Trust, and the
                                      Richard Boyd Hefner Trust,
                                      Richard B. Hefner,
                                      Alexandros Kedros as
                                      Authorized Signatory for
                                      Egean Financiera Corporation,
                                      Tryphon Kedros as Authorized
                                      Signatory for Circle Shipping
                                      Company and Sierra Financiera
                                      Corporation, Michael Teriakidis
                                      and James R. Tolbert III,
                                      as Custodian and Trustee 
                                      of the James R. Tolbert
                                      Revocable Trust.
<PAGE>

<TABLE>
                                      
                         Index to Exhibits

<CAPTION>
Exhibit No.      Description                    Method of Filing
- -----------      -----------                    ----------------

<S>              <C>                            <C> 
10               Stockholder Tender Agreement   Filed herewith electronically
                 by and among DLB Oil & Gas, 
                 Inc., Acquisition Drilling, 
                 Inc. and certain stockholders
                 of Bonray Drilling Corporation
                 dated January 6, 1997.

10.1             Agreement and Plan of Merger   Filed herewith electronically
                 among DLB Oil & Gas, Inc.,
                 Acquisition Drilling, Inc.
                 and Bonray Drilling Corpora-
                 tion dated January 6, 1997.

24               Powers of Attorney and Agree-  Filed herewith electronically
                 ments to file Group Form
                 13D.
</TABLE>




                STOCKHOLDER TENDER AGREEMENT


         THIS STOCKHOLDER TENDER AGREEMENT (this "Agreement"), dated
the 6th day of January, 1997, by and among Acquisition Drilling,
Inc. , a Delaware corporation ("ADI"), DLB Oil & Gas, Inc., an
Oklahoma corporation ("DLB"), and the stockholders of Bonray
Drilling Corporation, a Delaware corporation (the "Company"),
listed on Exhibit A attached hereto (each a "Stockholder" and
collectively the "Stockholders").

                             RECITALS

     Simultaneous with the execution and delivery of this
Agreement, ADI and its parent corporation, DLB, are entering into
an Agreement and Plan of Merger (as amended from time to time, the
"Merger Agreement") with the Company, pursuant to which ADI will
commence a tender offer (the "Offer") to acquire any and all shares
of common stock, par value $1.00 per share (the "Common Stock"), of
the Company.

     As an inducement to DLB and ADI to enter into and perform the
Merger Agreement, the Stockholders have agreed to enter into this
Agreement, and DLB and ADI are entering into the Merger Agreement
in reliance upon the Stockholders' representations, warranties,
covenants and agreements contained herein.

     NOW, THEREFORE, in consideration of the foregoing, the mutual
covenants and promises set forth below, and other good and valuable
consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties agree as follows:

     1.   Tender of Stock.  Each Stockholder hereby agrees to
tender to ADI pursuant to the Offer all shares of Common Stock of
the Company now owned or hereafter acquired by the Stockholder
prior to the Expiration Date (as defined in the Merger Agreement)
(all such shares being defined as the "Shares") and not withdraw
any such Shares from the Offer except in accordance with the terms
and provisions of this Agreement.  Each Stockholder agrees to so
tender all Shares presently owned by such Stockholder ("Existing
Shares") within 10 business days of commencement of the Offer, and
agrees to so tender any Shares hereafter acquired by such
Stockholder within 2 business days of such acquisition but in any
event prior to the Expiration Date.  Attached as Schedule 1 to this
Agreement is an accurate and complete list of all shares of Common
Stock beneficially owned by each Stockholder and a list of each
option or other right of any Stockholder to acquire shares of
Common Stock.

     2.   Representations and Warranties of the Stockholders.  Each
Stockholder hereby represents and warrants to ADI and DLB as
follows:

          2.1. Binding Agreement.  This Agreement constitutes the
legal, valid, and binding agreement of the Shareholder, enforceable
against the Stockholder in accordance with its terms, except to the
extent that enforceability may be limited by applicable bankruptcy,
insolvency, reorganization or other laws affecting the enforcement
of creditors' rights generally and by principles of equity
regarding the availability of remedies.

          2.2. Shares.  Set forth opposite such Stockholder's name
on Schedule 1 to this Agreement is the total number of Existing
Shares and options or other rights to acquire shares of Common
Stock owned by the Stockholder on the date of this Agreement. The
Stockholder has all required authority and has taken all necessary
action to permit the Stockholder at all times from the date of this
Agreement to deliver and sell the Shares.

          2.3. No Conflicts.  Neither the execution and delivery of
this Agreement nor the consummation of the transactions
contemplated by this Agreement will violate or result in any
violation of or be in conflict with, or constitute a default under,
the terms of any statute, regulation, agreement, instrument,
judgment, decree, rule, or order applicable to the Stockholder.

          2.4. No Approvals or Notices Required.  The execution,
delivery, and performance of this Agreement by the Stockholder and
the consummation by the Stockholder of the transactions
contemplated by this Agreement will not violate (with or without
the giving of notice or the lapse of time or both) or require any
consent, approval, filing, or notice by the Stockholder under any
provision of law applicable to the Stockholder except for any
filings required by the Hart-Scott-Rodino Antitrust Improvements
Act of 1976, as amended (the "HSR Act"), if applicable, and filings
on Schedule 13D under the Securities Exchange Act of 1934, as
amended (the "Exchange Act").

          2.5. Title.  Upon acceptance for purchase and payment by
ADI pursuant to the Offer, ADI will acquire good title to the
Shares, free and clear of any claims, liens, charges, encumbrances,
security interests, options, warrants, rights to purchase, voting
agreements, voting trusts, and charges of any nature whatsoever
other than restrictions on transfer under applicable federal and
state securities laws.  On the date of this Agreement the
Stockholder has (and the Stockholder will have at all times up to
the purchase by ADI of the Existing Shares) good title to the
Existing Shares, free and clear of all claims, liens, charges,
encumbrances, security interests, options, warrants, rights to
purchase, voting agreements, voting trusts and charges other than
restrictions on transfer under applicable federal and state
securities laws.

          2.6. Finder's Fees.  No person is, or will be, entitled
to any commission or finder's fees from the Stockholder in
connection with this Agreement or the transactions contemplated
hereby.

     3.   Representations and Warranties of ADI and DLB.  ADI and
DLB hereby represent and warrant to the Stockholders as follows:

          3.1. Due Authorization.  This Agreement has been duly
authorized by all necessary action on the part of ADI and DLB and
has been duly executed and delivered by ADI and DLB.

          3.2. No Conflicts.  Neither the execution and delivery of
this Agreement nor the consummation of the transactions
contemplated by this Agreement will violate or result in any
violation of or be in conflict with or constitute a default under
any terms of the Certificates of Incorporation or Bylaws of ADI or
DLB or any statute, regulation, agreement, instrument, judgment,
decree, rule, or order applicable to ADI or DLB.

          3.3. No Approvals or Notices Required.  The execution,
delivery, and performance of this Agreement by ADI and DLB and the
consummation by ADI and DLB of the transactions contemplated by
this Agreement will not violate (with or without the giving of
notice or the lapse of time or both) or require any consent,
approval, filing or notice by ADI or DLB under any provision of law
applicable to ADI or DLB except for filings required by the HSR
Act, if applicable, and filings on Schedules 13D and 14D-1 of the
Exchange Act.

     4.   Other Agreements of the Stockholders.

          4.1. Proxy.  Each Stockholder hereby irrevocably appoints
(i) Mike Liddell and Mark Liddell and each of them, with full power
of substitution and resubstitution (or any other designees of ADI),
as proxies for the Stockholder to vote, all shares of Common Stock
that the Stockholder is entitled to vote (together with any other
shares of Common Stock that the Stockholder may become entitled to
vote), for and in the name, place, and stead of the Stockholder at
any meeting of the holders of shares of Common Stock or any
adjournments or postponements thereof or pursuant to any consent in
lieu of a meeting, or otherwise, with respect only to the approval
of the Merger Agreement, the transactions contemplated by the
Merger Agreement, any matters related to or in connection with the
merger contemplated in the Merger Agreement (the "Merger"), and any
corporate action the consummation of which would violate, frustrate
the purposes of, prevent, or delay the consummation of the
transactions contemplated by the Merger Agreement (including,
without limitation, any proposal to amend the Certificate of
Incorporation or Bylaws of the Company or approve any merger,
consolidation, sale or purchase of any assets, issuance of Common
Stock or any other equity security of the Company (or a security
convertible into an equity security of the Company),
reorganization, recapitalization, liquidation, winding up of or by
the Company, or any similar transaction) and (ii) Raymond H.
Hefner, Jr. and Richard B. Hefner and each of them as his true and
lawful attorneys-in-fact and agents and in his name, place and
stead, to agree to and sign any and all amendments to this
Agreement and to receive any and all notices to the Stockholder
pursuant to this Agreement, granting to each said attorneys-in-fact
and agents full power and authority to do and perform each and
every act and thing requisite and necessary to be done in
connection therewith, as fully to all intents and purposes as he
might or could do in person.  Each Stockholder agrees that the
foregoing proxy is coupled with an interest.

          4.2. Exclusivity Covenants.  From the date of this
Agreement, each Stockholder, in his capacity as a stockholder and
not in his capacity as a director of the Company, covenants and
agrees to negotiate exclusively with DLB and ADI with regard to the
acquisition of the Company and will not directly or indirectly: 
(i) solicit any other buyers for all or any part of the capital
stock or assets of the Company or any of its subsidiaries; (ii)
encourage any third parties to bid for any of the assets of the
Company or any of its subsidiaries or to purchase shares of its
capital stock, or participate in any negotiations or discussions
with any such third parties with respect to such matters;
(iii) provide business or financial information (not otherwise
publicly available) concerning the Company or any of its
subsidiaries to any third parties (except as required for the
making of necessary regulatory filings or in any judicial or
administrative proceeding); (iv) purchase or otherwise acquire
shares of or any beneficial interest in any of the capital stock of
the Company except upon exercise of options listed on Schedule 1;
(v) make, or assist or cooperate with anyone else to make, any
proposal to purchase all or any part of the assets or capital stock
of the Company; or (vi) enter into any arrangements by himself or
itself or with others to directly or indirectly acquire or obtain
control of the Company.  The Stockholder will immediately notify
ADI if he, she or it becomes aware of any efforts by any person or
group, directly or indirectly in any manner whatsoever, to acquire
or obtain control of the Company.  The Stockholder will direct his,
her and its financial and other advisers and representatives to
comply with each of the foregoing covenants.

          4.3. Notification of Record Date.  At any time from and
after the date of this Agreement until the time that ADI purchases
Shares pursuant to the Offer, each Stockholder will give ADI
fifteen (15) days' prior written notice of any record date for
determining the holders of record of the Common Stock entitled to
vote on any matter, to receive any dividend or distribution, or to
participate in any rights offering or other matters, or to receive
any other benefit or right with respect to the Common Stock.

     5.   Termination.  This Agreement (other than the provisions
of Section 6.10) shall terminate on the earliest of (a) the date on
which ADI accepts for payment the Shares tendered in the Offer, so
long as the Shares are so tendered and not withdrawn; (b) the
termination of the Merger Agreement by the Company pursuant to
Section 9.4(a) or (c) of the Merger Agreement; or (c) the
termination of the Offer by ADI without purchasing any Shares
pursuant thereto.

     6.   Miscellaneous.

          6.1. Assignment.  This Agreement is not assignable, by
operation of law or otherwise, by any party except pursuant to the
laws of descent and distribution (except that any such transferee
will be bound by the terms of this Agreement) and except that ADI
may assign this Agreement and its rights under this Agreement to a
subsidiary of DLB.

          6.2. Amendments.  This Agreement may not be modified,
amended, altered, or supplemented, except upon the execution and
delivery of a written agreement executed by each party.  

          6.3. Notices.  All notices, requests, claims, demands,
and other communications under this Agreement will be in writing
and will be given (and will be deemed to have been duly received
when so given) by delivery, by cable, facsimile, telegram or telex,
or by registered mail, postage prepaid, return receipt requested,
to the respective parties as follows:

          If to ADI or DLB:

               c/o DLB Oil & Gas, Inc.
               1601 N.W. Expressway, Suite 700
               Oklahoma City, OK  73118-1401

               Attn:       Michael J. Blaschke, Esq.
                      General Counsel

          With copies to:

               Harry H. Selph, II, Esq.
               Fellers, Snider, Blankenship,
                 Bailey & Tippens
               First National Center
               120 North Robinson, Suite 2400
               Oklahoma City, OK  73102-7875

          If to the Stockholders:

               c/o Raymond H. Hefner, Jr.
               Bonray Drilling Corporation
               4701 N.E. 23rd Street
               Oklahoma City, OK  73121

          With copies to:

               Gary F. Fuller, Esq.
               McAfee & Taft
               Two Leadership Square, 10th Floor
               211 North Robinson
               Oklahoma City, OK  73102

          6.4. Governing Law.  This Agreement will be governed by
and construed in accordance with the substantive law of the State
of Delaware without giving effect to the principles of conflicts of
law.

          6.5. Counterparts.  This Agreement may be executed in
several counterparts, each of which will be an original, but all of
which together will constitute one and the same agreement.

          6.6. Effect of Headings.  The section headings in this
Agreement are for convenience only and will not affect the
construction of this Agreement.

          6.7. Parties in Interest.  This Agreement will inure to
the benefit of and be binding upon the parties to this Agreement
and their respective permitted successors and assigns.  Nothing in
this Agreement, express or implied, is intended to confer on any
person other than the parties to this Agreement and their
respective permitted successors and assigns, any rights or remedies
under or by reason of this Agreement.

          6.8. Severability.  If any term, provision, covenant, or
restriction, or any portion thereof, contained in this Agreement is
held by a court of competent jurisdictions to be invalid, void,
voidable, or unenforceable, such term, provision, covenant,
restriction, or portion will be curtailed whether as to time, area,
or otherwise, to the minimum extent required by applicable law and
the remaining terms, provisions, covenants, and restrictions will
remain in full force and effect and will in no way be affected,
impaired, or invalidated.

          6.9. Certain Definitions; Interpretation.  The word
"person" when used in this Agreement will be broadly construed to
include any individual, company, corporation, partnership, joint
venture, trust, firm, or other entity, and the word "affiliate" has
the meaning given in Rule 144(a)(1) under the Securities Act.

               6.10.    Expenses.  No party to this Agreement will be
obligated to pay the expenses of any other party in connection with
the transactions contemplated by this Agreement, including, without
limitations, the fees and expenses of its counsel and other
advisers.

               6.11.    DLB Guaranty.  DLB irrevocably guarantees the
performance by ADI of all of its obligations under this Agreement.

               6.12.    Facsimile Signature.  After execution of this
Agreement, the signature pages may be transmitted to the other
parties via facsimile so long as the original signature pages are
delivered the following business day via overnight delivery
service.

               IN WITNESS WHEREOF, the parties hereto have duly executed
this Stockholder Purchase Agreement the date first above written.

                                  ACQUISITION DRILLING, INC.,
                                  a Delaware corporation


                                  By:  MIKE LIDDELL
                                  Name:     Mike Liddell
                                  Title:    Chief Executive Officer


                                  DLB OIL & GAS, INC.,
                                  an Oklahoma corporation


                                  By:  MIKE LIDDELL
                                  Name:     Mike Liddell
                                  Title:    Chief Executive Officer

                              STOCKHOLDERS:
                              
                              HBH ENTERPRISES ALP
                              
                              By: HBH HOLDING CORPORATION,
                                  General Partner
                              
                              
                                  By:  RAYMOND H. HEFNER, JR.
                                  Name:  Raymond H. Hefner, Jr.
                                  Title:  President
                              
                              
                              RAYMOND H. HEFNER, JR.
                              Raymond H. Hefner, Jr.
                              
                              
                              RAYMOND H. HEFNER
                              Raymond H. Hefner
                              
                              
                              RICHARD B. HEFNER
                              Richard B. Hefner
                              
                              
                              HEFNER CHILDREN'S TRUSTS
                              
                              
                              By:  GARY F. FULLER
                              Name:    Gary F. Fuller
                              Title:   Trustee
                              
                              
                              JAMES R. TOLBERT III
                              James R. Tolbert III, Custodian
                              
                              
                              JAMES R. TOLBERT III REVOCABLE TRUST
                              
                              
                              By:  JAMES R. TOLBERT III
                              Name:    James R. Tolbert III
                              Title:   Trustee
                              
                              
                              EGEAN FINANCIERA CORPORATION
                              
                              
                              By:  A.C. KEDROS
                              Name:    Alexandros C. Kedros
                              Title:   Authorized Signatory
                              
                              
                              CIRCLE SHIPPING COMPANY
                              
                              
                              By:  MICHAEL TERIAKIDIS
                              Name:    Michael Teriakidis
                              Title:   Secretary
                              
                              
                              SIERRA FINANCIERA CORPORATION
                              
                              
                              By:  MICHAEL TERIAKIDIS
                              Name:    Michael Teriakidis
                              Title:   Secretary
                              
                              
                              MICHAEL TERIAKIDIS
                              Michael Teriakidis
                              
                                                    EXHIBIT "A"
                              
                              
                              
                              
                              
                              
                              
                              HBH Enterprises ALP
          
          Hefner Children's Trusts
          
          Raymond H. Hefner, Jr.
          
          Raymond H. Hefner
          
          Richard B. Hefner
          
          Egean Financiera Corporation
          
          Circle Shipping Company
          
          Sierra Financiera Corporation
          
          M. Teriakidis
          
          James R. Tolbert III, Custodian
          
          James R. Tolbert III Revocable Trust
          
                                       Bonray Drilling/DLB
          
                       Schedule 1
                           to
              Stockholder Tender Agreement
          
          
          
     HBH Enterprises ALP                    148,850
     Hefner Children's Trusts                   120
     Raymond H. Hefner, Jr.                  15,170
     Raymond H. Hefner                          960
     Richard B. Hefner                          120
     Egean Financiera Corporation            29,819
     Circle Shipping Company                  8,570
     Sierra Financiera Corporation            7,915
     M. Teriakidis                            6,741
     James R. Tolbert III, Custodian             10
     James R. Tolbert III Revocable Trust    11,440
                                            -------
         TOTAL                              229,715
         


                                
                  AGREEMENT AND PLAN OF MERGER
                                
                             among
                                
                      DLB OIL & GAS, INC.,
                                
                   ACQUISITION DRILLING, INC.
                                
                              and
                                
                  BONRAY DRILLING CORPORATION
                                
                                
                   
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                        
                                
                                
                                
             
                                
                                
                 
                                
                            
                                
                                
                         
                                

TABLE OF CONTENTS
                                                             Page

ARTICLE I THE TENDER OFFER . . . . . . . . . . . . . . . . . . .1
     1.1  The Offer. . . . . . . . . . . . . . . . . . . . . . .1
     1.2  Company Action . . . . . . . . . . . . . . . . . . . .2
     1.3  Board of Directors of the Company. . . . . . . . . . .3

ARTICLE  II  THE MERGER. . . . . . . . . . . . . . . . . . . . .3
     2.1  The Merger . . . . . . . . . . . . . . . . . . . . . .3
     2.2  Effective Time . . . . . . . . . . . . . . . . . . . .3
     2.3  Effect of the Merger . . . . . . . . . . . . . . . . .3
     2.4  Certificate of Incorporation . . . . . . . . . . . . .4
     2.5  By-Laws. . . . . . . . . . . . . . . . . . . . . . . .4
     2.6  ADI Directors. . . . . . . . . . . . . . . . . . . . .4
     2.7  ADI Officers . . . . . . . . . . . . . . . . . . . . .4
     2.8  Additional Actions . . . . . . . . . . . . . . . . . .4

ARTICLE III  CONVERSION OF SECURITIES. . . . . . . . . . . . .  4
     3.1  Common Stock . . . . . . . . . . . . . . . . . . . . .4
     3.2  Dissenting Shares. . . . . . . . . . . . . . . . . . .5
     3.3  ADI Common Stock . . . . . . . . . . . . . . . . . . .5
     3.4  Exchange of Common Stock . . . . . . . . . . . . . . .5

ARTICLE IV  REPRESENTATIONS AND WARRANTIES OF DLB AND ADI. . . .7
     4.1  Organization . . . . . . . . . . . . . . . . . . . . .7
     4.2  Authority Relative to this Agreement . . . . . . . . .7
     4.3  Consents and Approvals; No Violations. . . . . . . . .7
     4.4  Offer Documents; Proxy Statement; Other Information. .8
     4.5  No Prior Activities. . . . . . . . . . . . . . . . . .8
     4.6  Finders and Investment Bankers . . . . . . . . . . . .8

ARTICLE V  REPRESENTATIONS AND WARRANTIES OF THE COMPANY . . . .8
     5.1  Organization . . . . . . . . . . . . . . . . . . . . .8
     5.2  Capitalization . . . . . . . . . . . . . . . . . . . .9
     5.3  Subsidiaries . . . . . . . . . . . . . . . . . . . . .9
     5.4  Authority Relative to this Agreement . . . . . . . . .9
     5.5  Consents and Approvals; No Violations. . . . . . . . .9
     5.6  Litigation . . . . . . . . . . . . . . . . . . . . . 10
     5.7  SEC Filings. . . . . . . . . . . . . . . . . . . . . 10
     5.8  Tradenames . . . . . . . . . . . . . . . . . . . . . 11
     5.9  Tax Matters. . . . . . . . . . . . . . . . . . . . . 11
     5.10 Environmental Matters. . . . . . . . . . . . . . . . 11
     5.11 Compliance with Agreements . . . . . . . . . . . . . 13
     5.12 Employee Benefit Matters . . . . . . . . . . . . . . 13
     5.13 Special Warranty of Title to Company Assets. . . . . 13
     5.14 Maintenance of Assets. . . . . . . . . . . . . . . . 14
     5.15 Absence of Certain Changes or Events . . . . . . . . 14
     5.16 Governmental Authorization and Compliance with Laws. 14
     5.17 Offer Documents; Proxy Statement; Other Information. 14
     5.18 Finders and Investment Bankers . . . . . . . . . . . 15

ARTICLE VI  COVENANTS. . . . . . . . . . . . . . . . . . . . . 15
     6.1  Conduct of Business of the Company . . . . . . . . . 15
     6.2  Acquisition Proposals. . . . . . . . . . . . . . . . 16
     6.3  Notification of Certain Matters. . . . . . . . . . . 17
     6.4  Meetings of the Company's Stockholders . . . . . . . 17
     6.5  Access to Information. . . . . . . . . . . . . . . . 18
     6.6  Best Efforts . . . . . . . . . . . . . . . . . . . . 18
     6.7  Public Announcements . . . . . . . . . . . . . . . . 19
     6.8  Exchange Act Compliance. . . . . . . . . . . . . . . 19
     6.9  Consent of DLB . . . . . . . . . . . . . . . . . . . 19
     6.10 Indemnification. . . . . . . . . . . . . . . . . . . 19

ARTICLE VII  CLOSING CONDITIONS. . . . . . . . . . . . . . . . 20
     7.1  Conditions to Obligations of the Company, DLB and ADI20
     7.2  Conditions to Obligation of DLB and ADI. . . . . . . 20
     7.3  Conditions to Obligation of the Company. . . . . . . 21

ARTICLE VIII  CLOSING. . . . . . . . . . . . . . . . . . . . . 21
     8.1  Time and Place . . . . . . . . . . . . . . . . . . . 21
     8.2  Filings at the Closing . . . . . . . . . . . . . . . 21

ARTICLE IX  TERMINATION AND ABANDONMENT. . . . . . . . . . . . 22
     9.1  Termination by Mutual Consent. . . . . . . . . . . . 22
     9.2  Termination by Either DLB or the Company . . . . . . 22
     9.3  Termination by DLB . . . . . . . . . . . . . . . . . 22
     9.4  Termination by the Company . . . . . . . . . . . . . 22
     9.5  Procedure and Effect of Termination Procedure and 
          Effect of Termination. . . . . . . . . . . . . . . . 23

ARTICLE X  MISCELLANEOUS . . . . . . . . . . . . . . . . . . . 23
     10.1 Payment of Expenses. . . . . . . . . . . . . . . . . 23
     10.2 Amendment and Modification . . . . . . . . . . . . . 24
     10.3 Waiver of Compliance; Consents . . . . . . . . . . . 24
     10.4 Investigations; Survival of Warranties . . . . . . . 24
     10.5 Notices. . . . . . . . . . . . . . . . . . . . . . . 24
     10.6 Assignment . . . . . . . . . . . . . . . . . . . . . 25
     10.7 Governing Law. . . . . . . . . . . . . . . . . . . . 25
     10.8 Counterparts . . . . . . . . . . . . . . . . . . . . 26
     10.9 Interpretation . . . . . . . . . . . . . . . . . . . 26
     10.10     Employment Arrangements . . . . . . . . . . . . 26
     10.11     Exhibits. . . . . . . . . . . . . . . . . . . . 26
     10.12     Entire Agreement. . . . . . . . . . . . . . . . 26

ANNEX A. . . . . . . . . . . . . . . . . . . . . . . . . . . . 28            
             AGREEMENT AND PLAN OF MERGER

     THIS AGREEMENT AND PLAN OF MERGER, this 6th day of January,
1997 (this "Agreement"), is made and entered into among DLB OIL &
GAS, INC., an Oklahoma corporation ("DLB"), ACQUISITION DRILLING,
INC., a Delaware corporation and a wholly-owned subsidiary of DLB
("ADI"), and BONRAY DRILLING CORPORATION, a Delaware corporation
(the "Company").  The Company and ADI are hereinafter sometimes
collectively referred to as the "Constituent Corporations."
     WHEREAS, the respective Boards of Directors of DLB, ADI and
the Company have approved the acquisition of the Company by DLB
pursuant to the terms of this Agreement; and
     WHEREAS, in furtherance thereof ADI will make a tender offer
for all shares of the Company's common stock, par value $1.00 per
share (the "Common Stock"), upon the terms of and subject to the
conditions set forth in this Agreement; and
     WHEREAS, the respective Boards of Directors of DLB, ADI and
the Company have approved the merger of ADI into the Company (the
"Merger") upon the terms and subject to the conditions set forth
herein; and
     WHEREAS, in order to induce DLB and ADI to enter into this
Agreement, certain holders of Common Stock (the "Selling
Stockholders") have entered into a Stockholder Tender Agreement
with ADI (the "Stockholder Agreement"), pursuant to which each such
holder has agreed, among other things, to tender such holder's
shares of Common Stock to ADI pursuant to the Offer (hereinafter
defined) upon the terms and conditions set forth in such
Stockholder Agreement.
     NOW, WHEREFORE, in consideration of the foregoing and other
good and valuable consideration, the receipt and sufficiency of
which are hereby acknowledged, the parties hereto agree as follows:
                           ARTICLE  I.
                         THE TENDER OFFER
         1.1.  The Offer.  Provided that nothing shall have occurred
which would result in a failure of any of the conditions set forth
in Annex A, attached hereto and made a part hereof, as promptly as
practicable, and in no event later than the fifth (5th) business day
following the date hereof, ADI shall commence a cash tender offer
(the "Offer") for all of the outstanding shares (the "Shares") of
the Common Stock at a price of Thirty and No/100 Dollars ($30.00)
per share net to the seller in cash (the "Price Per Share"), which
Offer shall be subject to the conditions set forth in Annex A
hereto, and ADI shall file a Schedule 14D-1 with respect to the
Offer in accordance with Rule 14d-3(a) promulgated under the
Securities Exchange Act of 1934, as amended (the "Exchange Act"). 
ADI shall, subject only to the satisfaction or waiver of the
conditions set forth on Annex A hereto, accept for payment all
Shares validly tendered and not withdrawn pursuant to the Offer as
soon as practicable after such acceptance is legally permitted. 
Notwithstanding the foregoing, ADI expressly reserves the right to
increase the price per Share payable in the Offer and make any
other changes to the terms or conditions of the Offer, provided,
however, that ADI will not, without the prior written consent of
the Company (such consent to be authorized by the Board of
Directors of the Company), (i) decrease the Price Per Share, change
the form of consideration payable in the Offer or decrease the
number of Shares sought, (ii) change the conditions to the Offer
(other than to waive any condition), (iii) impose additional
conditions to the Offer or (iv) amend any other term of the Offer
in any manner adverse to the holders of Shares (other than
insignificant changes or amendments).  The Offer shall expire at
12:00 midnight, New York City time, on the twentieth (20th) business
day following commencement of the Offer (such date and time, as may
be extended in accordance with the terms hereof, is referred to as
the "Expiration Date"); provided, however, and notwithstanding
anything in the foregoing to the contrary, it is understood and
agreed that ADI may, from time to time, in its sole discretion
extend the Expiration Date, (w) to comply with applicable rules and
regulations of the Securities and Exchange Commission ("SEC");
(x) if any of the conditions to the Offer have not been satisfied,
for the minimum period of time necessary to satisfy such condition;
(y) if all of the conditions to the Offer have been satisfied but
fewer than 90% of the shares of Common Stock outstanding
(determined on a fully diluted basis) have been tendered in the
Offer, for the minimum period of time necessary until 90% of such
shares have been so tendered, but in no event later than the tenth
(10th) day following the initial Expiration Date; provided, however,
that if ADI extends the Expiration Date pursuant to the clause (y),
it will be deemed upon such extension to have waived all conditions
except (c), (d)(i) and (d)(iii) set forth on Annex A hereto; or
(z) if a tender or exchange offer for shares of Common Stock or any
other proposal for a business combination involving the Company
shall be publicly disclosed or DLB or ADI shall have otherwise
learned that a tender or exchange offer for shares of Common Stock
or any other proposal for a business combination involving the
Company shall have been made or publicly proposed to be made by any
person (including the Company, or any of its affiliates, or any
group (within the meaning of Section 13(d)(3) of the Exchange Act))
(a "Competing Offer"), and all of the conditions to the Offer have
not been satisfied, until ten (10) days after the termination or
publicly-announced abandonment of such Competing Offer, but in no
event later than the minimum time necessary to satisfy all such
conditions; provided, further, that in no event shall the
Expiration Date be extended without the prior written consent of
the Company beyond the 21st day of March, 1997 unless condition (d)
set forth in Annex A to this Agreement shall not then be satisfied. 

         1.2.  Company Action. The Company hereby consents to the Offer
and represents that its Board of Directors has unanimously approved
the Offer, the Merger, this Agreement, the Stockholder Agreement
and the acquisition of shares of Common Stock pursuant thereto, and
unanimously resolved to recommend acceptance of the Offer and
approval of the Merger by the stockholders of the Company.  Upon
commencement of the Offer, the Company shall promptly file with the
SEC and mail to the holders of Common Stock a Solicitation/Recommendation 
Statement on Schedule 14D-9 reflecting such recommendation and shall permit 
ADI to include a copy of such Schedule 14D-9 in its Offering Documents, 
as such phrase is hereinafter defined.  The Company hereby consents to the 
inclusion in the Offer of the recommendation referred to in the preceding
sentence.  In connection with the Offer, the Company will furnish
ADI with such information, including current lists of the
stockholders of the Company, mailing labels and lists of security
positions, and such assistance as ADI or its agents may reasonably
request in communicating the Offer to the Company's stockholders.
         1.3.  Board of Directors of the Company.  Effective upon the
payment by ADI for Shares pursuant to the Offer, ADI will be
entitled to designate that number of directors of the Company,
rounded up to the next whole number, that equals the product of
(x) the total number of directors on the Board of Directors (giving
effect to the election or appointment of any additional directors
pursuant to this Section 1.3) and (y) the percentage that the
number of Shares owned by DLB and ADI (including Shares accepted
for payment) bears to the total number of outstanding Shares.  The
Board of Directors of the Company will at all relevant times be
composed of a sufficient number of directors so that the right of
ADI under this Section 1.3 will not be impaired.  The Company will
at such time cause the designees of ADI to be elected to or
appointed by the Board of Directors, including, without limitation,
increasing the number of directors, amending its Bylaws, using its
reasonable best efforts to obtain resignations of incumbent
directors, and, to the extent necessary, filing with the SEC and
mailing to its stockholders the information required by
Section 14(f) of the Exchange Act and the rules promulgated
thereunder, as promptly as possible.  DLB and ADI will supply any
information with respect to themselves and their respective
nominees, officers, directors, and affiliates required by
Section 14(f) of the Exchange Act and such Bylaws of the Company.
                          ARTICLE  II. 
                           THE MERGER
         2.1.  The Merger.  Subject to the terms and conditions hereof,
the Merger shall be consummated in accordance with the Delaware
General Corporation law (the "DGCL") as soon as practicable
following the latest of (i) the expiration or termination of the
Offer, (ii) the satisfaction or waiver of the conditions set forth
in Article VII of this Agreement, (iii) the expiration or
termination of all required waiting periods with respect to the
acquisition of the Company by DLB pursuant to the Merger under the
Hart-Scott-Rodino Antitrust Improvements Act of 1976 (the "HSR
Act"), if applicable, and (iv) the receipt of any required
approvals from the stockholders of the Company.  At the Effective
Time (as hereinafter defined), subject to the terms and conditions
of this Agreement and in accordance with the laws of the State of
Delaware, ADI shall be merged with and into the Company, which
shall be the surviving corporation.  The Company hereinafter is
sometimes referred to as the "Surviving Corporation."
         2.2.  Effective Time.  The Merger shall become effective at the
date and time of filing of a certificate of merger with the
Secretary of State of the State of Delaware in accordance with the
provisions of the DGCL (the "Certificate of Merger"), which shall
be so filed as provided in Section 8.2 of this Agreement.  The date
and time when the Merger shall become effective is herein referred
to as the "Effective Time."
         2.3.  Effect of the Merger.  The Merger shall have the effects
set forth in Section 259 of the DGCL.
         2.4.  Certificate of Incorporation.  The Certificate of
Incorporation of the Company, as in effect immediately prior to the
Effective Time, shall be the Certificate of Incorporation of the
Surviving Corporation until thereafter amended as provided by law;
provided that effective upon the Merger, the Certificate of
Incorporation of the Company shall be amended so that it shall be
identical in all respects to the Certificate of Incorporation of
ADI as in effect immediately prior to the Effective Time except
that the name of the Surviving Corporation shall be "Bonray
Drilling Corporation".
         2.5.  By-Laws.  The By-Laws of ADI, as in effect immediately
prior to the Effective Time, shall be the By-Laws of the Surviving
Corporation until thereafter amended as provided by law.
         2.6.  ADI Directors.  The directors of ADI at the Effective
Time shall be the directors of the Surviving Corporation and will
hold office from the Effective Time until their respective
successors are duly elected or appointed and qualified in the
manner provided in the Certificate of Incorporation and By-Laws of
the Surviving Corporation, or as otherwise provided by law.
         2.7.  ADI Officers.  The officers of ADI at the Effective Time
shall be the officers of the Surviving Corporation and will hold
office from the Effective Time until their respective successors
are duly elected or appointed and qualified in the manner provided
in the Certificate of Incorporation and By-Laws of the Surviving
Corporation, or as otherwise provided by law.
         2.8.  Additional Actions.  If, at any time after the Effective
Time, the Surviving Corporation shall consider or be advised that
any deeds, bills of sale, assignments, assurances or any other
actions or things are necessary or desirable to vest, perfect or
confirm of record or otherwise in the Surviving Corporation its
right, title or interest in, to or under any of the rights,
properties or assets of either of the Constituent Corporations
acquired or to be acquired by the Surviving Corporation as a result
of, or in connection with, the Merger or otherwise to carry out
this Agreement, the officers and directors of the Surviving
Corporation shall be authorized to execute and deliver, in the name
and on behalf of each of the Constituent Corporations or otherwise,
all such deeds, bills of sale, assignments and assurances and to
take and do, in the name and on behalf of each of the Constituent
Corporations or otherwise, all such other actions and things as may
be necessary or desirable to vest, perfect or confirm any and all
right, title and interest in, to and under such rights, properties
or assets in the Surviving Corporation or otherwise to carry out
this Agreement.
                          ARTICLE III.
                    CONVERSION OF SECURITIES
         3.1.  Common Stock.  
               (i) Each share of the Common Stock issued and
outstanding immediately prior to the Effective Time (except for
shares of Common Stock then owned beneficially or of record by DLB,
ADI or any subsidiary of DLB and except for Dissenting Shares (as
hereinafter defined) in respect of which appraisal rights are
perfected) shall, by virtue of the Merger and without any action on
the part of the holder thereof, be converted into the right to
receive the Price Per Share in cash payable to the holder thereof,
without interest thereon, upon surrender of the certificate
representing such share of Common Stock.
               (ii)      Each share of Common Stock issued and outstanding
immediately prior to the Effective Time which is then owned
beneficially or of record by DLB, ADI or any subsidiary of DLB
shall, by virtue of the Merger and without any action on the part
of the holder thereof, be canceled and retired and cease to exist,
without any conversion thereof.
               (iii)     Each share of Common Stock held in the
Company's treasury immediately prior to the Effective Time shall,
by virtue of the Merger, be canceled and retired and cease to
exist, without any conversion thereof.
         3.2.  Dissenting Shares.  Notwithstanding anything in this
Agreement to the contrary, shares of Common Stock which are issued
and outstanding immediately prior to the Effective Time and which
are held by stockholders who have not voted such shares in favor of
the approval and adoption of the Merger and shall have delivered a
written demand for appraisal of such shares in the manner
(including the time of delivery) provided in Section 262 of the
DGCL (the "Dissenting Shares") shall not be converted into or be
exchangeable for the right to receive the consideration provided in
Section 3.1, but shall be entitled to receive such consideration as
shall be determined pursuant to Section 262 of the DGCL; provided,
however, that, if such holder shall have failed to perfect or shall
have effectively withdrawn or lost his right to appraisal and
payment under the DGCL, such holder's shares of Common Stock shall
thereupon be deemed to have been converted into and to have become
exchangeable for, as of the Effective Time, the right to receive
the consideration provided for in Section 3.1, without any interest
thereon, in accordance with Section 3.4, and such shares shall no
longer be Dissenting Shares.
         3.3.  ADI Common Stock.  Each share of common stock, par value
$.01 per share, of ADI issued and outstanding immediately prior to
the Effective Time shall, by virtue of the Merger and without any
action on the part of the holder thereof, be converted into and
exchangeable for one share of common stock of the Surviving
Corporation.
         3.4.  Exchange of Common Stock.
               (i) At the Effective Time, ADI (or the Company, as the
Surviving Corporation) shall deposit in trust with a bank or trust
company designated by DLB (the "Exchange Agent") cash, a letter of
credit or a combination thereof issued by a commercial bank
selected by DLB which irrevocably commits the issuer to provide the
Exchange Agent from time to time with the funds necessary to make
the payments required hereunder in an aggregate amount equal to the
product of (i) the number of shares of Common Stock issued and
outstanding at the Effective Time (other than any such shares owned
beneficially or of record by DLB, ADI or any subsidiary of DLB or
held in the Company's treasury and other than Dissenting Shares in
respect of which appraisal rights are perfected), and (ii) the
Price Per Share (such product being hereinafter referred to as the
"Exchange Fund").  The Exchange Agent shall, pursuant to
irrevocable instructions, make the payments provided for in Section
3.1(i) out of the Exchange Fund.  The Exchange Agent may invest all
or portions of the Exchange Fund as the Surviving Corporation shall
direct.  Any net profit resulting from, or interest or income
produced by the investment of the Exchange Fund, shall be paid to
the Surviving Corporation.
               (ii)      Promptly after the Effective Time, the Exchange
Agent shall mail to each record holder (other than DLB, ADI or any
subsidiary of DLB), as of the Effective Time, of an outstanding
certificate or certificates which immediately prior to the
Effective Time represented shares of Common Stock (the
"Certificates") a form letter of transmittal (which shall specify
that delivery shall be effected, and risk of loss and title to the
Certificates shall pass, only upon proper delivery of the
Certificates to the Exchange Agent) and instructions for use in
effecting the surrender of the Certificates for payment therefor. 
Upon surrender by such holder to the Exchange Agent of a
Certificate, together with such letter of transmittal duly
executed, the holder of such Certificate shall be entitled to
receive in exchange therefor cash in an amount equal to the product
of the number of shares of Common Stock represented by such
Certificate and the Price Per Share, and such Certificate shall
forthwith be canceled.  No interest will be paid or accrued on the
cash payable upon the surrender of the Certificates.  If payment is
to be mailed to a person other than the person in whose name a
Certificate surrendered is registered, it shall be a condition of
payment that (a) the Certificate so surrendered shall be properly
endorsed or otherwise in proper form for transfer and that (b) the
person requesting such payment shall pay any transfer or other
taxes required by reason of the payment to a person other than the
registered holder of the Certificate surrendered or establish to
the satisfaction of the Surviving Corporation that such tax has
been paid or is not applicable.  Until surrendered in accordance
with the provisions of this Section 3.4, each Certificate (other
than Certificates representing shares owned beneficially or of
record by DLB, ADI or any subsidiary of DLB and other than
Dissenting Shares in respect of which appraisal rights are
perfected) shall represent for all purposes whatsoever only the
right to receive the Price Per Share in cash multiplied by the
number of shares evidenced by such Certificate, without any
interest thereon.
               (iii)     After the Effective Time there shall be no
transfers on the stock transfer books of the Surviving Corporation
of the shares of Common Stock which were outstanding immediately
prior to the Effective Time.  If, after the Effective Time,
Certificates are presented to the Surviving Corporation for
transfer or for any other reason, they shall be canceled and
exchanged for cash as provided in this Article III.
               (iv)      Any portion of the Exchange Fund which remains
unclaimed by the stockholders of the Company for six (6) months
after the Effective Time shall be repaid to the Surviving
Corporation, upon demand, and any stockholders of the Company who
have not theretofore complied with Section 3.4(ii) shall thereafter
look only to the Surviving Corporation for payment of their claim
for the Price Per Share for each share of Common Stock, without any
interest thereon.
         ARTICLE  IV.REPRESENTATIONS AND WARRANTIES OF DLB AND ADI 
         
         DLB and ADI each jointly and severally represent and warrant
to the Company as follows:
         4.1.  Organization.  Each of DLB and ADI is a corporation duly
organized, validly existing and in good standing under the laws of
the jurisdiction of its incorporation and each has all requisite
corporate power and authority to own, lease and operate its
properties and to carry on its business as now being conducted,
except where the failure to be so existing and in good standing
would not affect materially and adversely the business, assets,
prospects, condition (financial or otherwise) or the results of
operations of DLB and ADI.  
         4.2.  Authority Relative to this Agreement.  Each of DLB and
ADI has full corporate power and authority to execute and deliver
this Agreement and to consummate the transactions contemplated
hereby.  The execution and delivery of this Agreement and the
consummation of the transactions contemplated hereby have been duly
and validly authorized by the Boards of Directors of DLB and ADI
and by DLB as the sole stockholder of ADI, and no other corporate
proceedings on the part of DLB or ADI are necessary to authorize
this Agreement and the transactions contemplated hereby.  This
Agreement has been duly and validly executed and delivered by each
of DLB and ADI, and constitutes a valid and binding agreement of
DLB and ADI, enforceable against DLB and ADI in accordance with its
terms, except to the extent that enforceability thereof may be
limited by applicable bankruptcy, insolvency, reorganization or
other laws affecting the enforcement of creditors' rights generally
and by principles of equity regarding the availability of remedies.
         4.3.  Consents and Approvals; No Violations.  Except for
applicable requirements of the Exchange Act, the HSR Act and filing
and recordation of appropriate merger documents as required by the
DGCL, no filing with, and no permit, authorization, consent or
approval of, any public body is necessary for the consummation by
DLB and ADI of the transactions contemplated by this Agreement, the
absence of which would or might result in the divestiture of any
assets which are material to DLB and ADI taken as a whole or would
otherwise have a material adverse effect on the business of DLB and
ADI taken as a whole.  Neither the execution and delivery of this
Agreement nor the compliance by DLB and ADI with any of the
provisions hereof will (i) conflict with or result in any breach of
any provision of the Articles or Certificate of Incorporation or
By-Laws of DLB or ADI, (ii) require any consent, approval or notice
under or result in a violation or breach of, or constitute (with or
without due notice or lapse of time or both) a default (or give
rise to any right of termination, cancellation or acceleration)
under, or change the rights or obligations of any party under, or
trigger any obligation or payment by DLB or ADI under, any of the
terms, conditions or provisions of any note, bond, mortgage,
indenture, license, agreement or other instrument or obligation to
which DLB or ADI is a party or by which either of them or any of
their properties or assets may be bound, or (iii) violate any
order, writ, injunction, decree, statute, rule or regulation
applicable to DLB or ADI or any of their properties or assets.
         4.4.  Offer Documents; Proxy Statement; Other
Information.  None of the information supplied by DLB or ADI for
inclusion in the Offer (together with the related letter of
transmittal, the "Offer Documents") (including any amendments or
supplements thereto and including Statements on Schedules 14D-1 and
14D-9) will, at the respective times the Offer Documents or any
amendments or supplements thereto are filed with the SEC, contain
any untrue statement of a material fact or omit to state any
material fact necessary in order to make the statements therein, in
light of the circumstances under which they were made, not
misleading.  None of the information relating to DLB or ADI
supplied for inclusion in the proxy statement which is to be mailed
to the stockholders of the Company in connection with any meeting
of stockholders convened in accordance with Section 6.4 or any
information statement which is to be mailed to the stockholders of
the Company in connection with any action taken without
solicitation of proxies or consents (such proxy statement or
information statement is herein referred to as the "Proxy
Statement") will, at the time the Proxy Statement is mailed, be
false or misleading with respect to any material fact, or omit to
state any material fact required to be stated therein or necessary
in order to make the statements therein not misleading or, at the
time of the meeting of stockholders to which any such Proxy
Statement relates, as then amended or supplemented, necessary to
correct any statement which has become false or misleading in any
earlier communication with respect to the solicitation of any proxy
for such meeting.  The Statement on Schedule 14D-1 will comply in
all material respects as to form with the requirements of the
Exchange Act and the rules and regulations thereunder.
         4.5.  No Prior Activities.  ADI has not engaged, directly or
through any subsidiary, in any business or activity of any type or
kind whatsoever, or entered into any agreements or arrangements
with any person or entity, or is subject to or bound by any
liability, obligation or undertaking, which is not in connection
with its organization, this Agreement and the transactions
contemplated hereby (including the financing necessary to
consummate the Offer and the Merger).
         4.6.  Finders and Investment Bankers.  Neither DLB, ADI nor any
of their officers or directors has employed any broker or finder or
incurred any liability for any brokerage fees, commissions or
finders' fees in connection with the transactions contemplated
herein.
                           ARTICLE  V.REPRESENTATIONS AND WARRANTIES
                         OF THE COMPANY
         The Company represents and warrants to DLB and ADI as follows:
         5.1.  Organization.  The Company is a corporation duly
organized, validly existing and in good standing under the laws of
the State of Delaware and has all requisite corporate power and
authority to own, lease and operate its properties and to carry on
its business as now being conducted.  The Company is duly qualified
or licensed and in good standing to do business in each
jurisdiction in which the property owned, leased or operated by it
or the nature of the business conducted by it makes such
qualification or licensing necessary, except where the failure to
be so duly qualified or licensed and in good standing would not
individually or in the aggregate affect materially and adversely
the business, assets, properties, condition (financial or
otherwise) or the results of operations of the Company.  The
Company has heretofore made available to DLB accurate and complete
copies of the Certificate of Incorporation and By-Laws, as
currently in effect, of the Company.
         5.2.  Capitalization.  The authorized capital stock of the
Company consists of 800,000 shares of Common Stock, of which on
December 31, 1996 there were 423,540 shares issued and outstanding
and less than 10,000 shares held in the Company's treasury.  No
other capital stock of the Company is authorized.  All issued and
outstanding shares of capital stock of the Company are validly
issued, fully paid, non-assessable and free of preemptive rights. 
There are not, and at the Effective Time there will not be, any
existing options, warrants, calls, subscriptions, stock
appreciation rights, or other rights or other agreements,
arrangements or commitments obligating the Company to issue,
transfer or sell, or securities or rights convertible or
exchangeable for, any shares of capital stock of the Company.
         5.3.  Subsidiaries.  The Company has no subsidiaries.  The
Company does not own any equity interest in any corporation or
other entity.
         5.4.  Authority Relative to this Agreement.  The Company has
full corporate power and authority to execute and deliver this
Agreement and to consummate the transactions contemplated hereby. 
The execution and delivery of this Agreement and the consummation
of the transactions contemplated hereby have been duly and validly
authorized by the Company's Board of Directors and no other
corporate proceedings on the part of the Company are necessary to
authorize the execution and delivery of this Agreement or to
consummate the transactions so contemplated (other than the
adoption of this Agreement by the stockholders of the Company in
accordance with the DGCL and the Certificate of Incorporation and
By-Laws of the Company).  This Agreement has been duly and validly
executed and delivered by the Company, and, subject insofar as
Article II of this Agreement is concerned to the approval and
adoption of this Agreement by the stockholders of the Company,
constitutes the valid and binding agreement of the Company,
enforceable against the Company in accordance with its terms,
except to the extent that enforceability thereof may be limited by
applicable bankruptcy, insolvency, reorganization or other laws
affecting the enforcement of creditors' rights generally and by
principles of equity regarding the availability of remedies.  The
Company and its Board of Directors have approved this Agreement and
the Stockholder Agreement and the transactions contemplated hereby
and thereby, including, without limitation, the Offer, the Merger
and the agreements by the Selling Stockholders to tender their
Shares, and the Company and the Board of Directors have taken all
steps necessary to render Section 203 of the DGCL inapplicable to
this Agreement, the Stockholder Agreement and the transactions
contemplated hereby and thereby, including without limitation, the
Merger, the Offer (regardless of whether this Agreement is
terminated) and the agreements by the Selling Stockholders to
tender their Shares (regardless of whether this Agreement is
terminated).
         5.5.  Consents and Approvals; No Violations.  Except for
applicable requirements of the Exchange Act, the HSR Act and the
filing and recordation of appropriate merger documents as required
by the DGCL, no filing with, and no permit, authorization, consent
or approval of, any public body, domestic or foreign, is necessary
for the consummation by the Company of the transactions
contemplated by this Agreement, the absence of which would or might
result in the divestiture of any assets which are material to the
Company or would otherwise affect materially and adversely the
business, assets, prospects, condition (financial or otherwise) or
the results of operations of the Company.  Neither the execution
and delivery of this Agreement nor the consummation of the
transactions contemplated hereby nor compliance by the Company with
any of the provisions hereof will (i) conflict with or result in
any breach of any provision of the Certificate of Incorporation or
By-Laws of the Company, (ii) except as is disclosed in paragraph
5.5 of the Disclosure Letter delivered by the Company to DLB
concurrently with the execution of this Agreement (the "Disclosure
Letter"), require any consent, approval or notice under or result
in a violation or breach of, or constitute (with or without due
notice or lapse of time or both) a material default (or give rise
to any right of termination, cancellation or acceleration) under
any of the terms, conditions or provisions of any material note,
bond, mortgage, indenture, license, agreement or other instrument
or obligation to which the Company is a party or by which it or any
material portion of its properties or assets may be bound or
(iii) violate any order, writ, injunction, decree, statute, rule or
regulation applicable to the Company or any material portion of its
properties or assets.
         5.6.  Litigation.  Except as may be disclosed in the SEC
filings referred to in Section 5.7 or as otherwise disclosed in
paragraph 5.6 of the Disclosure Letter, as of the date hereof there
are no claims, actions, proceedings or, to the best knowledge of
the Company, investigations pending or, to the best knowledge of
the Company, threatened against the Company or any properties or
rights of the Company before any court, administrative,
governmental or regulatory authority or body which, if decided
adversely, would materially and adversely affect the business,
assets, prospects, condition (financial or otherwise) or the
results of operations of the Company.  As of the date hereof,
neither the Company nor any of its property is subject to any
order, judgment, injunction or decree which might affect materially
and adversely the business, assets, prospects, condition (financial
or otherwise) or the results of operations of the Company.
         5.7.  SEC Filings.  The Company has heretofore made available
to DLB its (i) Annual Report on Form 10-K for the fiscal year ended
June 30, 1996 as filed with the SEC, (ii) Quarterly Report on Form
10-Q for the fiscal quarter ended September 30, 1996, (iii) proxy
statements relating to the Company's meetings of stockholders
(whether annual or special) since June 30, 1996 and (iv) all other
reports, filings or registration statements filed by the Company
with the SEC since June 30, 1996.  As of their respective dates,
such reports and statements (including all exhibits and schedules
thereto and documents incorporated by reference therein) did not
contain any untrue statement of a material fact or omit to state a
material fact required to be stated therein or necessary to make
the statements therein, in light of the circumstances under which
they were made, not misleading.  The audited financial statements
and unaudited interim financial statements of the Company included
or incorporated by reference in such reports and in the Company's
Annual Reports on Form 10-K for the fiscal years ended June 30,
1996 and June 30, 1995 heretofore made available to DLB have been
prepared in accordance with generally accepted accounting
principles applied on a consistent basis during the periods
involved (except as may be indicated in the notes thereto) and
fairly present the assets, liabilities and financial position of
the Company as of the dates thereof and the results of its
operations and changes in financial position for the periods then
ended (subject, in the case of any unaudited interim financial
statements, to normal year-end adjustments).
         5.8.  Tradenames.  To the Company's knowledge, no other person,
firm or corporation is presently using or claiming, or has the
right to use or to claim the tradename:  "Bonray Drilling
Corporation".
         5.9.  Tax Matters.
               (i) The Company has filed when due (taking into account
extensions) with the appropriate federal, state, local, foreign and
other governmental agencies, all tax returns, estimates and reports
required to be filed by it with respect to its tax obligations and
has paid when due all required taxes and has established sufficient
reserves to pay taxes when due through the Closing Date.
               (ii)      Except as is disclosed in paragraph 5.9(ii) of the
Disclosure Letter, there are no taxes assessed or asserted in
writing with respect to any tax return filed by the Company or
claimed in writing to be due by a taxing authority or otherwise. 
No tax return of the Company is currently being audited by the
Internal Revenue Service ("IRS") or any other taxing authority
having jurisdiction over the Company.  The Company has not executed
any agreement or other document extending or having the effect of
extending the period of assessment or collection of any taxes.  All
final adjustments made by the IRS with respect to any Federal tax
return of the Company have been reported to the relevant state,
local or foreign taxing authority to the extent required by law. 
No request by the Company for any rulings or any determination
letters are pending with any taxing authority.
               (iii)     The Company will deliver to DLB at Closing, all
tax files currently being maintained or stored by the Company.  
         5.10. Environmental Matters.  
               (i) Except as is disclosed in paragraph 5.10(i) of the
Disclosure Letter, all real property owned, leased or operated by
the Company (the "Property"), the operations conducted thereon and
all operations of the Company conducted off of the Property are not
in material violation of any order or requirement of any court or
Governmental Authority or any Environmental Laws (as such terms are
defined herein).
               (ii)      Except as is disclosed in paragraph 5.10(ii) of the
Disclosure Letter, the Property and the operations conducted
thereon by the Company or the operations conducted by any prior
owner or operator of the Property are not subject to any existing,
pending or threatened action, suit, investigation, inquiry or
proceeding by or before any court or Governmental Authority.
               (iii)     Except as is disclosed in paragraph 5.10(iii)
of the Disclosure Letter, all notices, permits, licenses or similar
authorizations, if any, required to be obtained or filed in
connection with the current operation or use of the Property,
including without limitation authorizations related to the
treatment, storage, disposal or release of any hazardous substances
or solid waste have been duly obtained or filed, and the Company is
in material compliance with the terms and conditions of all such
notices, permits, licenses and similar authorizations.
               (iv) Except as is disclosed in paragraph 5.10(iv) of the
Disclosure Letter, there are no leaking or deteriorating above
ground or below ground storage tanks or containers on the Property
and no hazardous substance or solid waste is known to have been
disposed of or otherwise released on or to the property except in
compliance with Environmental Laws.
               (v) The Company is not subject to any contingent
liability in connection with any release or threatened release of
any hazardous substance or solid waste into the environment or on
or at the Property or from the operations conducted thereon other
than minor instances, the clean-up of which will exceed the sum of
Ten Thousand Dollars ($10,000) per occurrence based upon standard
industry practices as of the Closing Date.
               (vi)      For purposes of this Section 5.10, "Environmental
Laws" shall mean any and all laws, statutes, ordinances, rules,
regulations, orders, or determinations by any Governmental
Authority pertaining to health or the environment in effect in any
and all jurisdictions in which the Property is located, including
without limitation, the Clean Air Act, as amended, the
Comprehensive Environmental, Response, Compensation, and Liability
Act of 1980 ("CERCLA"), as amended, the Federal Water Pollution
Control Act, as amended, the Operational Safety and Health Act of
1970 ("OSHA"), as amended, the Resource Conservation and Recovery
Act of 1976 ("RCRA"), as amended, the Safe Drinking Water Act, as
amended, the Toxic Substances Control Act, as amended, the
Superfund Amendments and the Reauthorization Act of 1986, as
amended, the Hazardous Materials Transportation Act, as amended,
and other environmental, conservation or protection laws.  The
terms "hazardous substance" and "release" (or "threatened release"
have the meanings specified in CERCLA, and the term "solid waste"
and "disposal" (or "disposed") have the meanings specified in RCRA;
provided, however, that the terms "hazardous substance" and "solid
waste" shall include all oil and gas exploration and production
wastes that may present an endangerment to public health or welfare
or the environment, even if such wastes are specifically exempt
from classification as hazardous substances or solid wastes
pursuant to CERCLA or RCRA or the state analogues to those
statutes.
               (vii)     For purposes of this Section 5.10,
"Governmental Authority" shall mean the United States, the state,
county, city and political subdivisions in which the Property is
located or which exercises jurisdiction over any such Property and
any agency, department, commission, board, bureau or
instrumentality which exercises jurisdiction over such Property.
               (viii)    Except as is disclosed in paragraph 5.10(viii)
of the Disclosure Letter, there have been no environmental
investigations, studies, audits, reviews or other analyses
conducted by, or which are in the possession of the Company
regarding any facility or property now or previously owned, leased
or operated by the Company or upon which the Company has performed
any operations.
         5.11. Compliance with Agreements.  The Company has
complied in all material respects with all terms and conditions of
its agreements and contracts with third parties.
         5.12. Employee Benefit Matters.  
               (i) Paragraph 5.12(i) of the Disclosure Letter provides
a description of each "employee benefit plan", as such term is
defined in the Employee Retirement Income Security Act of 1974, as
amended ("ERISA").  Other than as is disclosed in paragraph 5.12 of
the Disclosure Letter, there are no stock option plans, collective
bargaining agreements, bonus plans, incentive award plans, vacation
policies, severance pay plans, deferred compensation agreements,
medical or disability insurance plans, executive compensation or
supplemental income plans, or any other employee benefit plans,
agreements or programs.
               (ii)      True, correct and complete copies of each of the
plans disclosed in paragraph 5.12(i) of the Disclosure Letter have
been furnished to DLB.  
               (iii)     The Company has substantially performed all
obligations, whether arising by operation of law or by contract,
required to be performed by it in connection with said employee
benefit plans.
               (iv)      Any employee benefit plan intended to be qualified
under Section 401 of the Internal Revenue Code of 1986, as amended,
satisfies the requirements of such Section and has received a
favorable determination letter from the IRS regarding such
qualification status.
               (v) Except as is disclosed in paragraph 5.12(v) of the
Disclosure Letter, there are no actions, suits, unfunded
obligations or claims pending (other than routine claims for
benefits involving less than Ten Thousand Dollars ($10,000) in the
aggregate) with respect to any of the employee benefit plans.
               (vi)      Paragraph 5.12(vi) of the Disclosure Letter sets
forth by number and employment classification the approximate
number of employees employed by the Company as of the date of this
Agreement and the employee benefit plans to which such employee is
entitled.
         5.13. Special Warranty of Title to Company Assets. 
Disclosed in paragraph 5.13 of the Disclosure Letter is a list of
all of the Company's real and tangible personal property and assets
owned or leased (the "Assets").  The Company has prepared paragraph
5.13 on a best efforts basis and hereby specifically disclaims the
completeness of paragraph 5.13.  As to the title to the Assets, as
specifically set forth and described in paragraph 5.13, the Company
does hereby represent, warrant and covenant with DLB that the
Company has not made, done, executed or permitted any act or thing
whatsoever, whereby any of the Assets, or any part thereof, now or
at any time hereafter through the Closing Date shall have become
impaired, charged or encumbered in any manner whatsoever, except as
is specifically indicated in paragraph 5.13, and that the Company
will warrant and defend the title to the Assets to be free and
clear against the lawful claims and demands of all persons claiming
by, through or under the Company from events, transactions, actions
or failures to act prior to the Closing Date, but not otherwise.
         5.14. Maintenance of Assets.  Except as is disclosed in
paragraph 5.14 of the Disclosure Letter, the Company's Assets
currently used by the Company in the ordinary course of business
have been maintained in accordance with customary industry
maintenance practices and are in a state of repair (normal wear and
tear excepted) which the Company believes to be adequate for the
normal use of such Assets in the ordinary course of business.
         5.15. Absence of Certain Changes or Events.  Except as
contemplated by this Agreement, or reflected in any financial
statement or notes thereto referred to in Section 5.7, or reflected
in the monthly financial statements of the Company for the months
of October and November 1996, previously furnished to DLB, or
disclosed in paragraph 5.15 of the Disclosure Letter or in SEC
filings made prior to the date hereof, since June 30, 1996 there
has not been:  (i) any material adverse change in the business,
Assets, customer relations, condition (financial or other) or the
results of operations of the Company; (ii) any damage, destruction
or loss, whether covered by insurance or not, having a material
adverse effect upon the properties or business of the Company;
(iii) any change by the Company in accounting principles or methods
except insofar as may be required by a change in generally accepted
accounting principles; (iv) any declaration, payment or setting
aside for payment of any dividend or any redemption, purchase or
other acquisition of any shares of capital stock or securities of
the Company; (v) a grant of any general increase in the
compensation of its officers or employees (including any such
increase pursuant to any bonus, pension, profit-sharing or other
plan or commitment) or any increase in the compensation payable or
to become payable to any such officer or employee.
         5.16. Governmental Authorization and Compliance with
Laws.  The business of the Company has been operated in compliance
with all laws, ordinances, regulations and orders of all
governmental entities, domestic or foreign, except for violations
which do not affect and will not affect materially and adversely
the business, assets, prospects, condition (financial or otherwise)
or the results of operations of the Company or, as the case may be,
the Surviving Corporation.  The Company has all permits,
certificates, licenses, approvals and other authorizations required
in connection with the operation of their business, except those
the absence of which does not affect and will not affect materially
and adversely the business, assets, prospects, condition (financial
or otherwise) or the results of operations of the Company or the
Surviving Corporation.
         5.17. Offer Documents; Proxy Statement; Other
Information.  None of the information supplied by the Company for
inclusion in the Offer Documents (including any amendments or
supplements thereto and including Statements on Schedules 14D-1 and
14D-9) will, at the respective times the Offer Documents or any
amendments or supplements thereto are filed with the SEC, contain
any untrue statement of a material fact or omit to state any
material fact necessary in order to make the statements therein, in
light of the circumstances under which they were made, not
misleading.  None of the information relating to the Company
included in the Proxy Statement, at the time it is mailed, or as
amended or supplemented, will contain any statement which, at the
time and in light of the circumstances under which it is made, is
false or misleading with respect to any material fact, or which
omits to state any material fact necessary in order to make the
statements therein not misleading or necessary to correct any
statement in an earlier communication with respect to the
solicitation of a proxy for the same meeting or subject matter
which has become misleading.  The Statement on Schedule 14D-9 and
the Proxy Statement each will comply in all material respects as to
form with the requirements of the Exchange Act and the rules and
regulations thereunder.
         5.18. Finders and Investment Bankers.  Neither the
Company nor any of its officers or directors has employed any
broker or finder or incurred any liability for any brokerage fees,
commissions or finders' fees in connection with the transactions
contemplated herein.
                          ARTICLE  VI.
                           COVENANTS
         6.1.  Conduct of Business of the Company.  Except as
contemplated by this Agreement, during the period from the date of
this Agreement to the Effective Time, the Company shall conduct its
operations according to its ordinary course of business and
consistent with past practice, and the Company shall use its best
efforts to preserve intact its business organization as a going
concern, to keep available the services of its officers, employees
and other work force and to maintain satisfactory relationships
with licensors, licensees, suppliers, contractors, distributors,
oil and gas operators and other customers and others having
business relationships with it.  Without limiting the generality of
the foregoing, and except as otherwise expressly provided in this
Agreement, prior to the Effective Time, the Company will not,
without the prior written consent of DLB:
               (i) Amend or propose to amend its Certificate of
Incorporation or By-Laws;
               (ii)      Authorize for issuance, issue, sell, pledge,
deliver or agree or commit to issue, sell, pledge or deliver
(whether through the issuance or granting of any options, warrants,
commitments, subscriptions, rights to purchase, awards or
otherwise) any stock of any class or any securities convertible
into or exchangeable for shares of stock of any class of the
Company;
               (iii)     Split, combine or reclassify any shares of its
capital stock or declare, pay or set aside any dividend or other
distribution (whether in cash, stock or property or any combination
thereof) in respect of its capital stock, or redeem, purchase or
otherwise acquire or offer to acquire any shares of its capital
stock;
               (iv)      (a)  Except as contemplated in this Agreement or in
the ordinary course of business consistent with past practice,
create, incur, assume, maintain or permit to exist any short-term
or long-term debt (including obligations in respect of capital
leases) in excess of the amount currently outstanding; (b) assume,
guarantee, endorse or otherwise become liable or responsible
(whether directly, indirectly, contingently or otherwise) for the
obligations of any other person; (c) make any loans, advances or
capital contributions to, or investments in, any other person; or
(d) incur any material liability or obligation (absolute, accrued,
contingent or otherwise) other than in the ordinary and usual
course of business and consistent with past practice; or (e) change
any assumption underlying, or methods of calculating, any bad debt,
contingency or other reserve;
               (v) (a)  Increase in any manner the compensation of any
of its directors, officers or employees; (b) pay or agree to pay
any pension, retirement allowance or other employee benefit not
required or permitted by any existing plan, agreement or
arrangement to any such director, officer or employee, whether past
or present; (c) commit itself to any additional pension, profit-sharing, bonus, 
incentive, deferred compensation, stock purchase,
stock option, stock appreciation right, group insurance, severance
pay, retirement or other employee benefit plan, agreement or
arrangement, or to any employment or consulting agreement with or
for the benefit of any person, or to amend any of such plans or any
of such agreements in existence on the date hereof or (d) make any
payment or award under any executive compensation plan of the
Company except in the ordinary course of business consistent with
past practice;
               (vi)      Except in the ordinary course of business
consistent with past practice, sell, transfer, mortgage, or
otherwise dispose of, or encumber, or agree to sell, transfer,
mortgage or otherwise dispose of or encumber, any assets or
properties, real, personal or mixed, which have a value on the
Company's books, either individually or in the aggregate, in excess
of $10,000;
               (vii)     Enter into any other agreements, commitments or
contracts which, individually or in the aggregate, are material to
the Company, except agreements, commitments or contracts for the
purchase, sale or lease of goods or services, consistent with past
practice and not in excess of current requirements, or otherwise
make any material change in the conduct of the business or
operations of the Company;
               (viii)    Make any change in the Company's accounting
principles, practices or methods;
               (ix)      Make any tax election or permit any insurance
policy naming the Company as a beneficiary or a loss payable payee
to be canceled or terminated without providing for substitute
coverage which is the same in all material respects;
               (x) Enter into any agreement or amend any existing
agreement with any affiliate of the Company;
               (xi)      Enter into any agreement or commitment that
restricts or limits the Company's ability to compete with or
conduct any business in any geographic area; or
               (xii)     Agree, commit or arrange to do any of the
foregoing.
         6.2.  Acquisition Proposals.  Neither the Company nor any of
its officers and directors shall, and the Company will cause its
employees, agents and representatives (including, without
limitation, any investment banker, attorney or accountant retained
by the Company) not to, initiate or solicit, directly or
indirectly, encourage, initiate or solicit any inquiries or the
making of any proposal with respect to a merger, consolidation or
similar transaction involving, or any purchase of all or any
significant portion of the Assets of, or any equity interest in,
the Company (an "Acquisition Proposal") or, except to the extent
required for the discharge by the Board of Directors of its
fiduciary duties as advised by counsel in writing, engage in any
negotiations concerning, or provide any confidential information or
data to, or have any discussions with, any person relating to an
Acquisition Proposal, or otherwise assist or facilitate any effort
or attempt by any person or entity (other than DLB and ADI, or
their officers, directors, representatives, agents, affiliates or
associates) to make or implement an Acquisition Proposal.  The
Company will immediately cease and cause to be terminated any
existing activities, discussions or negotiations with any parties
conducted heretofore with respect to any of the foregoing.  The
Company will notify DLB promptly if any such inquiries or proposals
are received by, any such information is requested from, or any
such negotiations or discussions are sought to be instituted or
continued with, the Company, such notice to include the material
terms communicated to the Company.
         6.3.  Notification of Certain Matters.  The Company shall give
prompt notice to DLB and ADI of:  (i) any notice of, or other
communication relating to, a default or event which, with notice or
lapse of time or both, would become a default, received by the
Company subsequent to the date of this Agreement and prior to the
Effective Time, under any agreement, indenture or instrument
material to the business, Assets, property, condition (financial or
otherwise) or the results of operations of the Company to which the
Company is a party or is subject; (ii) any notice or other
communication from any third party alleging that the consent of
such third party is or may be required in connection with the
transactions contemplated by this Agreement; and (iii) any material
adverse change in the business, Assets, prospects, condition
(financial or otherwise) or results of operations of the Company,
or the occurrence of an event which, so far as reasonably can be
foreseen at the time of its occurrence, could result in any such
change (except for such changes that are caused by the Company's
compliance with the terms of this Agreement and the Offer and are
contemplated hereby) and except as otherwise disclosed to DLB in
writing.
         6.4.  Meetings of the Company's Stockholders.  If required to
consummate the Merger, following expiration of the Offer, the
Company will take all action necessary in accordance with
applicable law and its Certificate of Incorporation and By-Laws to
convene a meeting of holders of Shares as promptly as practicable
to consider and vote upon the approval of this Agreement and the
Merger.  The Board of Directors of the Company shall recommend
unanimously such approval and the Company shall take all lawful
action to solicit such approval.  At any such meeting of the
Company all of the Shares then owned by DLB or ADI, or any of their
affiliates (collectively, the "Purchaser Companies") will be voted
in favor of this Agreement and the Merger.  The Company hereby
represents, warrants and covenants that the proxy or information
statement with respect to such meeting of shareholders (the "Proxy
Statement"), at the date thereof and at the date of such meeting,
will not include an untrue statement of a material fact or omit to
state a material fact required to be stated therein or necessary to
make the statements therein, in light of the circumstances under
which they were made, not misleading; provided, however, the
foregoing shall not apply to the extent that any such untrue
statement of a material fact or omission to state a material fact
was made by the Company in reliance upon and in conformity with
written information concerning the Purchaser Companies furnished to
the Company by DLB specifically for use in the Proxy Statement. 
The Proxy Statement shall not be filed, and no amendment or
supplement to the Proxy Statement will be made by the Company,
without consultation with DLB and its counsel.  In the event the
Purchaser Companies acquire at least 90% of the outstanding Shares
pursuant to the Offer or otherwise, DLB, ADI and the Company shall
take all necessary and appropriate action to cause the Merger to
become effective as soon as practicable after such acquisition,
without a meeting of the stockholders of the Company, in accordance
with the DGCL.
         6.5.  Access to Information.
               (i) Between the date of this Agreement and the
Effective Time, the Company will give DLB and its authorized
representatives at all reasonable times access to all drilling
rigs, offices, warehouses, shops, storage yards and other
facilities and to all its books and records, will permit DLB to
make such inspections as it may require and will cause its officers
to furnish DLB with such financial and operating data and other
information with respect to the business and properties of the
Company as DLB may from time to time request in its due diligence
investigation.
               (ii)      DLB and ADI and their affiliates will each hold and
will each cause its respective employees, representatives,
consultants and advisors to hold in strict confidence, unless
compelled to disclose by judicial or administrative process, or, in
the opinion of its counsel, by other requirements of law, all
documents and information concerning the Company furnished to DLB
or ADI or their affiliates in connection with the transactions
contemplated by this Agreement (except to the extent that such
information can be shown to have been (a) previously known by DLB
or ADI, (b) in the public domain through no fault of DLB or ADI or
their affiliates, or (c) later lawfully acquired by DLB or ADI from
other sources unless DLB and ADI knew such information was obtained
in violation of an agreement of confidentiality) and will not
release or disclose such information to any other person, except
its auditors, attorneys, financial advisors and other consultants
and advisors and lending institutions (including banks) in
connection with this Agreement (it being understood that such
persons shall be informed by DLB or ADI of the confidential nature
of such information and shall be directed by DLB or ADI to treat
such information confidentially).  If the transactions contemplated
by this Agreement are not consummated, such confidence shall be
maintained except to the extent such information comes into the
public domain under requirements of law or through no fault of DLB
or ADI or their affiliates and, if requested by the Company, DLB or
ADI will destroy or return to the Company all copies of written
information furnished by the Company to DLB or ADI, or their
affiliates, agents, representatives or advisors.  If DLB or ADI
shall be required to make disclosure of any such information by
operation of law, DLB or ADI shall give the Company prior notice of
the making of such disclosure and shall use all reasonable efforts
to afford the Company an opportunity to contest the making of such
disclosure.
         6.6.  Best Efforts.  Subject to the terms and conditions herein
provided, each of the parties hereto agrees to use its best efforts
to take, or cause to be taken, all action, and to do, or cause to
be done, all things necessary, proper or advisable to consummate
and make effective as promptly as practicable the transactions
contemplated by this Agreement, including without limitation making
filings under the HSR Act, if applicable, and obtaining any
necessary third party consents.  In case at any time after the
Effective Time any further action is necessary or desirable to
carry out the purposes of this Agreement, the proper officers and
directors of each corporation which is a party to this Agreement
shall take all such necessary action.
         6.7.  Public Announcements.  DLB and the Company will consult
with each other before issuing any press release or otherwise
making any public statements with respect to the Offer or the
Merger and shall not issue any such press release or make any such
public statement prior to such consultation, except as may be
required by law.
         6.8.  Exchange Act Compliance.  In making the Offer and in
consummating the Merger, DLB, ADI and the Company shall comply in
all material respects with the provisions of the Exchange Act and
the rules and regulations thereunder.
         6.9.  Consent of DLB.  DLB, as the sole stockholder of ADI, by
executing this Agreement consents to the execution, delivery and
performance of this Agreement by ADI, and such consent shall be
treated for all purposes as a vote duly adopted at a meeting of the
stockholders of ADI held for such purpose.
         6.10. Indemnification.
               (i) As provided in Section 145 of the DGCL and as
implemented pursuant to Article VII of the Company's By-Laws, the
Company shall indemnify and, after the Effective Time, the
Surviving Corporation shall indemnify each present and former
director and officer (the "Indemnified Party or Parties") against
any expenses, including attorneys' fees, fines, judgments and
amounts paid in settlement actually and reasonably incurred by it
in connection with any threatened, pending or completed action or
suit to which it is a party or is threatened to be made a party by
reason of such relationship with the Company and arising out of or
pertaining to any action or omission occurring prior to the
Effective Time (including, without limitation, any which arise out
of or relate to the transactions contemplated by this Agreement) to
the fullest extent permitted or required under Section 145 of the
DGCL or the Company's By-Laws; provided, however, that any
determination required to be made pursuant to Section 145(d) of the
DGCL with respect to whether an Indemnified Party's conduct
complied with the standards set forth in Delaware law or the
Company's By-Laws shall be made by independent legal counsel
selected by the Company or the Surviving Corporation, as the case
may be.
               (ii)      This Section 6.10 shall survive the closing of the
transactions contemplated hereby, is intended to benefit the
Company and each of the Indemnified Parties (each of whom shall be
entitled to enforce this Section 6.10 against the Company or the
Surviving Corporation, as the case may be) and shall be binding on
all successors and assigns of the Surviving Corporation.  In the
event the Surviving Corporation or any of its successors or assigns
(i) consolidates with or merges into any other person and shall not
be the continuing or surviving corporation or entity of such
consolidation or merger, or (ii) transfers all or substantially all
of its properties and assets to any person, then, and in each such
case, proper provisions shall be made so that the successors and
assigns of the Surviving Corporation assume the obligations set
forth in this Section 6.10.
               (iii)     Each of the parties hereto agrees vigorously to
defend against any actions, suits or proceedings in which such
party is named as a defendant which seeks to enjoin, restrain or
prohibit the transactions contemplated hereby or seeks damages with
respect to such transactions.
                          ARTICLE  VII.
                        CLOSING CONDITIONS
         7.1.  Conditions to Obligations of the Company, DLB and ADI. 
The obligations of the Company, DLB and ADI to consummate the
Merger are subject to the fulfillment of each of the following
conditions, any or all of which may be waived in whole or in part
by the Company, DLB or ADI, as the case may be, to the extent
permitted by applicable law:
               (a) Shareholder Approval.  Unless no shareholder
approval is required by applicable law to effect the Merger, this
Agreement shall have been duly approved by the holders of a
majority of the outstanding Shares, in accordance with applicable
law and the Certificate of Incorporation and By-Laws of the
Company;
               (b) Government and Regulatory Consent.  All filings
required to be made prior to the Effective Time by the Company, DLB
or ADI with, and all consents, approvals and authorizations
required to be obtained prior to the Effective Time by the Company,
DLB or ADI from, governmental and regulatory authorities in
connection with the execution and delivery of this Agreement by the
Company, DLB or ADI and the consummation of the transactions
contemplated hereby by the Company, DLB or ADI shall have been made
or obtained (as the case may be); and
               (c) Statutes; Injunctions.  No United States or state
court or governmental or regulatory authority of competent
jurisdiction shall have enacted, issued, promulgated, enforced or
entered any statute, rule, regulation, judgment, decree, injunction
or other order, whether temporary, preliminary or permanent
(collectively, an "Order"), which is in effect and prohibits
consummation of the transactions contemplated by this Agreement.
         7.2.  Conditions to Obligation of DLB and ADI.  The obligation
of DLB and ADI to effect the Merger shall be subject to the
fulfillment at or prior to the Effective Time of the following
conditions, any one or more of which may be waived by DLB and ADI:
               (i) ADI shall have purchased pursuant to the Offer all
shares of Common Stock duly tendered and not withdrawn; provided
that this condition will be deemed to have been met if ADI fails to
purchase such shares pursuant to the Offer in violation of the
terms of the Offer or this Agreement;
               (ii)      The Company shall have performed in all material
respects its obligations under this Agreement required to be
performed on or prior to the Effective Time pursuant to the terms
hereof;
               (iii)     The representations and warranties of the
Company contained in this Agreement that are qualified as to
materiality shall be true and correct and all such representations
and warranties that are not so qualified shall be true and correct
in all material respects, in each case, on the date when made and
on and as of the Effective Time as if made on and as of such date;
               (iv)      There shall not have occurred after the date hereof
any material adverse change in the business, Assets, prospects,
condition (financial or otherwise) or the results of operations of
the Company.
         0.1.  Conditions to Obligation of the Company.  The obligation
of the Company to effect the Merger shall be subject to the
fulfillment at or prior to the Effective Time of the following
conditions, any one or more of which may be waived by the Company:
               (i) DLB and ADI shall have performed in all material
respects their obligations under this Agreement required to be
performed on or prior to the Effective Time pursuant to the terms
hereof; and
               (ii)      The representations and warranties of DLB and ADI
contained in this Agreement that are qualified as to materiality
shall be true and correct and all such representations and
warranties that are not so qualified shall be true and correct in
all material respects, in each case, on the date when made and on
and as of the Effective Time as if made on and as of such date.
                         ARTICLE  VIII.
                            CLOSING
     8.1. Time and Place.  Subject to the provisions of
Article VII, the closing of the Merger (the "Closing") shall take
place in Oklahoma City, Oklahoma, at the offices of McAfee & Taft,
as soon as practicable but in no event later than 10:00 A.M., local
time, on the first business day after the latest to occur of:
          (i)  the day the Merger is approved and adopted by the
stockholders of the Company pursuant to Section 6.4 or as may
otherwise be effected pursuant to this Agreement; or
          (ii) the date on which each of the conditions set forth
in Article VII have been satisfied or waived by the party or
parties entitled to the benefit of such conditions;
or at such other place, at such other time, or on such other date
as DLB and the Company may mutually agree.  The date on which the
Closing actually occurs is herein referred to as the "Closing
Date."
     8.2. Filings at the Closing.  Subject to the provisions of
Article VII, on the Closing Date, the Company shall execute the
Certificate of Merger and cause it to be filed in accordance with
the provisions of Sections 103 and 251(c) of the DGCL and shall
take any and all other lawful actions and do any and all lawful
things necessary to cause the Merger to become effective.
                           ARTICLE  IX.
                   TERMINATION AND ABANDONMENT
     9.1. Termination by Mutual Consent.  This Agreement may be
terminated and the Merger may be abandoned at any time prior to the
Effective Time, before or after the approval by holders of Shares,
by the mutual consent of DLB and the Company by action of their
respective Boards of Directors. 
     9.2. Termination by Either DLB or the Company.  This Agreement
may be terminated and the Merger may be abandoned by action of the
Board of Directors of either DLB or the Company if (i) the Merger
shall not have been consummated by the 30th day of June, 1997
(unless the failure to consummate the Merger by such date is due to
the action or failure to act of the party seeking to terminate), or
(iii) if an Order pursuant to Section 7.1(c) shall have become
final and non-appealable.
     9.3. Termination by DLB.  This Agreement may be terminated and
the Merger may be abandoned by action of the Board of Directors of
DLB if (i) ADI (or any Purchaser Company) shall have terminated the
Offer without purchasing any Shares pursuant thereto; provided,
such termination of the Offer is not in violation of the terms of
the Offer, as provided and permitted by this Agreement, and DLB and
ADI have not failed to perform its or their obligations under this
Agreement and shall not have breached any representation or
warranty contained herein in any material respect; or (ii) if the
Board of Directors of the Company shall have withdrawn or modified
in a manner adverse to DLB or ADI its approval or recommendation of
the Offer, this Agreement or the Merger, or the Board of Directors
of the Company, upon request by DLB, shall fail to reaffirm such
approval or recommendation, or shall have resolved to do any of the
foregoing; provided, however, DLB shall not be entitled to
terminate this Agreement or abandon the Merger pursuant to this
Section 9.3(ii) so long as DLB shall have the right to acquire a
majority of the issued and outstanding Shares of the Company
pursuant to the Offer.
     9.4. Termination by the Company.  This Agreement may be
terminated and the Merger may be abandoned at any time prior to the
Effective Time, before or after the approval by holders of Shares,
by action of the Board of Directors of the Company, (a) if DLB or
ADI (or another Purchaser Company) shall have failed to commence
the Offer within the time required in Section 1.1; (b) after the
later of (i) ten (10) business days following commencement of the
Offer or (ii) five (5) business days following notice to DLB by the
Company of the terms of any of the following offers, if the Board
of Directors of the Company receives an unsolicited written offer
at a higher dollar value per Share with respect to a merger,
consolidation or sale of all or substantially all of the Company's
assets, or if an unsolicited tender or exchange offer for the
Shares at a higher dollar value per Share is commenced, and the
Board of Directors of the Company determines to accept such merger,
consolidation or sale of all or substantially all of the Company's
assets or recommend that its stockholders accept such tender or
exchange offer, but only after receipt by the Board of Directors of
(x) a written opinion to such effect from a recognized national
investment banking firm that such transaction is more favorable to
the stockholders from a financial point of view than the Offer and
the transactions contemplated hereby and (y) a written opinion of
counsel that approval, acceptance or recommendation of such
transaction is required by fiduciary obligations under applicable
law; or (c) DLB or ADI shall have violated the terms of the Offer
or breached any of their representations, warranties or covenants
under this Agreement which breach shall have caused a reasonable
likelihood that DLB or ADI will not be able to consummate the Offer
or Merger.
     9.5. Procedure and Effect of Termination Procedure and Effect
of Termination.  In the event of termination and abandonment of the
Merger by DLB or by the Company pursuant to this Article IX,
written notice thereof shall forthwith be given to the other and
this Agreement shall terminate and the Merger shall be abandoned
without further action by any of the parties hereto.  ADI agrees
that any termination by DLB shall be conclusively binding upon it,
whether given expressly on its behalf or not, and the Company shall
have no further notice obligation with respect to it.  In the event
of termination of this Agreement and abandonment of the Merger
pursuant to this Article IX, no party hereto (or any of its
directors or officers) shall have any liability or further
obligation to any other party to this Agreement, except that
nothing will relieve any party from liability for any breach of
this Agreement.  No termination of this Agreement shall result in
the termination of the obligations of the parties under Section 6.5
(respecting confidentiality) or Section 10.1(b) (respecting the
payment of expenses).
                           ARTICLE  X.
                          MISCELLANEOUS
     10.1.     Payment of Expenses.
          (a)  Whether or not the Merger shall be consummated, each
party hereto shall pay its own expenses incident to preparing for,
entering into and carrying out this Agreement and the consummation
of the Merger.  Any separate counsel fees and other expenses
incurred by the stockholders executing the Stockholder Agreement
shall not be borne by the Company.
          (b)  If (A) (x) any person, entity or group (other than
DLB or any subsidiary or affiliate of DLB or any group including
DLB or any subsidiary or affiliate of DLB) (i) shall have become
beneficial owner of 25% or more of the outstanding Shares or
(ii) shall have publicly proposed (1) any merger or consolidation
with or acquisition of all or substantially all of the assets of
the Company or other similar business combination involving the
Company, (2) that any change be made in the composition of the
Board of Directors of the Company and such person, entity or group
shall file proxy materials with the SEC in respect of such proposal
or (3) the purchase of 50% or more of the total voting power of the
Company, including by tender or exchange offer, or (y) this
Agreement is terminated pursuant to Section 9.3(ii) or 9.4(b), and
(B) this Agreement is terminated in accordance with its terms
without ADI having purchased any Shares pursuant to the Offer, then
the Company shall immediately pay DLB all actual, documented out-of-pocket 
expenses of DLB and ADI relating to the transaction
contemplated by this Agreement. 
     10.2.     Amendment and Modification.  Subject to applicable
law, this Agreement may be amended, modified or supplemented only
by written agreement of DLB, ADI and the Company at any time prior
to the Effective Time with respect to any of the terms contained
herein; provided, however, that, after this Agreement is adopted by
the Company's stockholders pursuant to Section 6.4, no such
amendment or modification shall alter the amount or change the form
of the consideration to be delivered to the stockholders of the
Company or alter or change any of the terms or conditions of this
Agreement if such alteration or change would adversely affect the
stockholders of the Company.
     10.3.     Waiver of Compliance; Consents.  Any failure of DLB
or ADI, on the one hand, or the Company, or the other hand, to
comply with any obligation, covenant, agreement or condition herein
may be waived by the Company or DLB, respectively, only by a
written instrument signed by the party granting such waiver, but
such waiver or failure to insist upon strict compliance with such
obligation, covenant, agreement or condition shall not operate as
a waiver of, or estoppel with respect to, any subsequent or other
failure.  Whenever this Agreement requires or permits consent by or
on behalf of any party hereto, such consent shall be given in
writing in a manner consistent with the requirements for a waiver
of compliance as set forth in this Section 10.3.  ADI hereby agrees
that any consent or waiver of compliance given by DLB hereunder
shall be conclusively binding upon it, whether given expressly on
its behalf or not.
     10.4.     Investigations; Survival of Warranties.  The
respective representations and warranties of DLB, ADI and the
Company contained herein or in the certificates or other documents
delivered prior to or at the Closing shall not be deemed waived or
otherwise affected by any investigation made by any party hereto. 
Each and every such representation and warranty shall expire with,
and be terminated and extinguished by, the Merger, and thereafter
neither DLB, ADI nor the Company, nor any officer or director
thereof shall be under any liability whatsoever with respect to any
such representation or warranty.  This Section 10.4 shall have no
effect upon any other obligation of the parties hereto, whether to
be performed before or after the Closing.
     10.5.     Notices.  All notices and other communications
hereunder shall be in writing and shall be deemed to have been duly
given when delivered in person, by cable, telegram or telex or
registered or certified mail (postage prepaid, return receipt
requested) to the respective parties at the following addresses (or
at such other address for a party as shall be specified by like
notice);

          (i)  If to DLB or ADI, to 

               DLB Oil & Gas, Inc.
               1601 N.W. Expressway, Suite 700
               Oklahoma City, Oklahoma  73118-1401
               Attention:     Michael J. Blaschke, Esq.
                         General Counsel
               Telephone:     (405) 848-8808
               Facsimile:     (405) 848-9449
               
               With a copy to
               
               Harry H. Selph, II, Esq.
               Fellers, Snider, Blankenship, Bailey & Tippens
               120 North Robinson, Suite 2400
               Oklahoma City, Oklahoma  73102
               Telephone: (405) 232-0621
               Facsimile: (405) 232-9659

          (ii) If to the Company, to
               
               Bonray Drilling Corporation
               4701 N.E. 23rd Street
               Oklahoma City, Oklahoma  73121

               With a copy to
               
               Gary F. Fuller, Esq.
               McAfee & Taft
               Two Leadership Square, 10th Floor
               211 North Robinson
               Oklahoma City, Oklahoma 73102 

     10.6.     Assignment.  This Agreement and all of the
provisions hereof shall be binding upon and inure to the benefit of
the parties hereto and their respective successors and permitted
assigns, but neither this Agreement nor any of the rights,
interests or obligations hereunder shall be assigned by any of the
parties hereto without the prior written consent of the other
parties, nor, except for Section 6.10 (which may be enforced solely
by the Indemnified Parties), is this Agreement intended to confer
upon any other person except the parties hereto any rights or
remedies hereunder.
     10.7.     Governing Law.  This Agreement shall be governed by
the laws of the State of Delaware (regardless of the laws that
might otherwise govern under applicable Delaware principles of
conflict of law) as to all matters, including but not limited to,
matters of validity, construction, effect, performance and
remedies. 
     10.8.     Counterparts.  This Agreement may be executed in two
or more counterparts, each of which shall be deemed an original,
but all of which together shall constitute one and the same
instrument.
     10.9.     Interpretation.  The article and section headings
contained in this Agreement are solely for the purpose of
reference, are not part of the agreement of the parties and shall
not in any way affect the meaning or interpretation of this
Agreement.  As used in this Agreement, (i) the term "person" shall
mean and include an individual, a partnership, a joint venture, a
corporation, a trust, an unincorporated organization and a
government or any department or agency thereof; (ii) the term
"affiliate" shall have the meaning set forth in Rule 12b-2
promulgated under the Exchange Act; and (iii) the term "subsidiary"
of any specified corporation shall mean any corporation 50 percent
or more of whose outstanding voting securities, or any partnership,
joint venture or other entity 50 percent or more of whose total
equity interest, is directly or indirectly owned by such specified
corporation.
     10.10.    Employment Arrangements.  Prior to the acceptance of
Shares pursuant to the Offer, DLB and ADI will make a good faith
attempt to enter into employment agreements with Richard B. Hefner,
Donald W. Thummel, Don M. Bode and Joanne Belcher substantially in
the form of the drafts of January 4, 1997, furnished to the
Company.
     10.11.    Entire Agreement.  This Agreement, including all
exhibits attached hereto and the documents and instruments referred
to herein, embodies the entire agreement and understanding of the
parties hereto in respect of the subject matter contained herein. 
There are no restrictions, promises, representations, warranties,
covenants or undertakings, other than those expressly set forth or
referred to herein.  This Agreement supersedes all prior agreements
and the understandings between the parties with respect to such
subject matter. 
     IN WITNESS WHEREOF, DLB, ADI and the Company have caused this
Agreement to be signed by their respective duly authorized officers
on the date first above written.
                              DLB OIL & GAS, INC.
     
     
                              By  MIKE LIDDELL
                                Name:  Mike Liddell
                                Title:   Chief Executive Officer
          
                              ACQUISITION DRILLING, INC.
     
     
                              By:  MIKE LIDDELL
                                Name:  Mike Liddell
                                Title:   Chief Executive Officer
     
                              BONRAY DRILLING CORPORATION
     
     
                              By:  RICHARD B. HEFNER
                                 Name:  Richard B. Hefner
                                 Title: President

<PAGE>
                             ANNEX A

                 Certain Conditions Of The Offer


     Notwithstanding any other provision of the Offer, Acquisition
Drilling, Inc. ("ADI") shall not be required to accept for payment
or pay for, or may delay the acceptance for payment of or payment
for, any tendered Shares, or may, in its sole discretion, terminate
or amend the Offer as to any Shares not then paid for if (x) a
majority of the Shares outstanding on a fully diluted basis shall
not have been validly tendered pursuant to the Offer and not
withdrawn prior to the expiration of the Offer (the "Minimum
Condition"), (y) the Agreement shall have been terminated in
accordance with its terms, or (z) on or after the date of the
Agreement, and at or before the time of payment for any such
Shares, any of the following events shall occur:
     (a)  there shall have occurred (i) any general suspension of,
          or limitation on prices for, trading in securities on the
          New York Stock Exchange or on NASDAQ, (ii) a declaration
          of a banking moratorium or any suspension of payments in
          respect of banks in the United States, (iii) a
          commencement of a war, armed hostilities or other
          international or national calamity directly involving the
          armed forces of the United States, (iv) any general
          limitation (whether or not mandatory) by any governmental
          authority on the extension of credit by banks or other
          lending institutions, (v) in the case of any of the
          foregoing existing at the time of the commencement of the
          Offer, a material acceleration or worsening thereof, (vi)
          a decline of at least thirty percent (30%) in the Dow
          Jones Industrial Average or (vii) a change in general
          financial, bank or capital market conditions which
          materially and adversely affects the ability of financial
          institutions in the United States to extend credit or
          syndicate loans;
     (b)  any of the representations and warranties of the Company
          set forth in the Agreement, or of the Selling
          Stockholders set forth in the Stockholder Agreement, that
          are qualified as to materiality shall not be true and
          correct or any such representations and warranties that
          are not so qualified shall not be true and correct in any
          material respect, in each case, on the date when made and
          at the Expiration Date, or in the case of any
          representations and warranties that are made as of a
          different date, as of that date; or
     (c)  the Company shall have breached or failed to comply in
          any material respect with any of its obligations under
          the Agreement and such failure continues for two (2) days
          after receipt by the Company of notice from DLB
          specifying such failure or any Selling Stockholder shall
          have breached or failed to comply in any material respect
          with any of its obligations under the Stockholder
          Agreement and such failure continues for two (2) days
          after receipt by the Selling Stockholder of notice from
          DLB specifying such failure; or
     (d)  any statute, rule, regulation, order or injunction shall
          be enacted, promulgated, entered, enforced or deemed
          applicable to the Offer or the Merger or any other action
          shall have been taken by any United States governmental
          authority or court (i) which prohibits the consummation
          of the transactions contemplated by the Offer or the
          Merger; (ii) which prohibits DLB's or ADI's ownership or
          operation of all or any material portion of their or the
          Company's business or assets, or which compels DLB or ADI
          to dispose of or hold separate all or any material
          portion of DLB's or ADI's or the Company's business or
          assets as a result of the transactions contemplated by
          the Offer or the Merger, (iii) which makes the acceptance
          for payment, purchase of, or payment for, some or all of
          the Shares illegal; (iv) which imposes material
          limitations on the ability of DLB or ADI to acquire or
          hold or to exercise effectively all rights of ownership
          of Shares including, without limitation, the right to
          vote any Shares purchased by ADI or DLB on all matters
          properly presented to the stockholders of the Company, or
          (v) which imposes any limitations on the ability of DLB
          or ADI, or any of their respective subsidiaries,
          effectively to control in any material respect the
          business or operations of the Company;
     (e)  DLB or ADI shall have reached an agreement or
          understanding in writing with the Company providing for
          termination of the Offer;
     (f)  any filing required to be made by the Company with, or
          any consent, approval or authorization required to be
          obtained prior to the Effective Time by the Company from,
          any governmental or regulatory authority in connection
          with the execution and delivery of the Agreement by the
          Company or the consummation of the Offer or the
          transactions contemplated by the Agreement, shall not
          have been made or obtained;
     (g)  there shall have occurred any material adverse change in
          the business, assets, conditions (financial or
          otherwise), results of operations or prospects of the
          Company,
which, in the reasonable judgment of DLB and ADI, in any such case,
and regardless of the circumstances giving rise to any such
conditions, makes it inadvisable to proceed with the Offer and/or
with such acceptance for payment of or payment for Shares.
     The foregoing conditions are for the sole benefit of DLB and
ADI and may be asserted by DLB or ADI regardless of the
circumstances or may be waived by DLB or ADI in whole or in part at
any time and from time to time in its sole discretion.



                        POWER OF ATTORNEY


     The undersigned, by his signature below, hereby constitutes
and appoints each of Raymond H. Hefner, Jr. and James R. Tolbert,
III the lawful attorney and agent with full power of substitution
and resubstitution for the undersigned and in the name, place and
stead of the undersigned, in any and all capacities, to sign any
Schedule 13D and any and all amendments thereto and to file same,
with all exhibits thereto and other documents in connection
therewith, with the Securities and Exchange Commission, granting
unto said attorney in fact and agent full power and authority to
do and perform each and every act and thing requisite and
necessary to be done, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and
confirming all that said attorney in fact and agent or substitute
or substitutes may lawfully do or cause to be done by virtue
hereof.

     In recognition of the fact that the execution of the
Stockholder Tender Agreement dated January 6, 1997 (the
"Agreement") will constitute acting as a group with the other
shareholders to that Agreement for the purpose of acquiring,
holding or disposing of securities of Bonray Drilling Corporation
such that such shareholders will be deemed to be a "person"
within the meaning of Section 13(d)(3) of the Securities Exchange
Act of 1934, as amended (the "Exchange Act"), the undersigned
agrees to cooperate in the prompt and timely preparation and
signing of, and to file jointly with the other shareholders to
the Agreement, a statement on Schedule 13D with respect to the
Agreement and any required amendments thereto pursuant to Rule
13d-1 of the Exchange Act.


 
                                   HBH Enterprises A Limited
                                   Partnership

                                   By:  HBH Holding Corporation, 
                                        General Partner


                                        RAYMOND H. HEFNER, JR.
                                        
                                        Raymond H. Hefner, Jr.
                                        President





                        POWER OF ATTORNEY


     The undersigned, by his signature below, hereby constitutes
and appoints each of Raymond H. Hefner, Jr. and James R. Tolbert,
III the lawful attorney and agent with full power of substitution
and resubstitution for the undersigned and in the name, place and
stead of the undersigned, in any and all capacities, to sign any
Schedule 13D and any and all amendments thereto and to file same,
with all exhibits thereto and other documents in connection
therewith, with the Securities and Exchange Commission, granting
unto said attorney in fact and agent full power and authority to
do and perform each and every act and thing requisite and
necessary to be done, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and
confirming all that said attorney in fact and agent or substitute
or substitutes may lawfully do or cause to be done by virtue
hereof.

     In recognition of the fact that the execution of the
Stockholder Tender Agreement dated January 6, 1997 (the
"Agreement") will constitute acting as a group with the other
shareholders to that Agreement for the purpose of acquiring,
holding or disposing of securities of Bonray Drilling Corporation
such that such shareholders will be deemed to be a "person"
within the meaning of Section 13(d)(3) of the Securities Exchange
Act of 1934, as amended (the "Exchange Act"), the undersigned
agrees to cooperate in the prompt and timely preparation and
signing of, and to file jointly with the other shareholders to
the Agreement, a statement on Schedule 13D with respect to the
Agreement and any required amendments thereto pursuant to Rule
13d-1 of the Exchange Act.


 
                                   GARY F. FULLER, TRUSTEE OF
                                   THE VICI KAY HEITZKE TRUST,
                                   THE BRENDA GAY BURKEY TRUST, AND
                                   THE RICHARD B. HEFNER TRUST

                                   Gary F. Fuller, Trustee of the
                                   Vici Kay Heitzke Trust, the
                                   Brenda Gay Burkey Trust, and
                                   the Richard B. Hefner Trust




                        POWER OF ATTORNEY


     The undersigned, by his signature below, hereby constitutes
and appoints each of Raymond H. Hefner, Jr. and James R. Tolbert,
III the lawful attorney and agent with full power of substitution
and resubstitution for the undersigned and in the name, place and
stead of the undersigned, in any and all capacities, to sign any
Schedule 13D and any and all amendments thereto and to file same,
with all exhibits thereto and other documents in connection
therewith, with the Securities and Exchange Commission, granting
unto said attorney in fact and agent full power and authority to
do and perform each and every act and thing requisite and
necessary to be done, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and
confirming all that said attorney in fact and agent or substitute
or substitutes may lawfully do or cause to be done by virtue
hereof.

     In recognition of the fact that the execution of the
Stockholder Tender Agreement dated January 6, 1997 (the
"Agreement") will constitute acting as a group with the other
shareholders to that Agreement for the purpose of acquiring,
holding or disposing of securities of Bonray Drilling Corporation
such that such shareholders will be deemed to be a "person"
within the meaning of Section 13(d)(3) of the Securities Exchange
Act of 1934, as amended (the "Exchange Act"), the undersigned
agrees to cooperate in the prompt and timely preparation and
signing of, and to file jointly with the other shareholders to
the Agreement, a statement on Schedule 13D with respect to the
Agreement and any required amendments thereto pursuant to Rule
13d-1 of the Exchange Act.


 
                                       RAYMOND H. HEFNER, JR.

                                       Raymond H. Hefner, Jr.




                        POWER OF ATTORNEY


     The undersigned, by his signature below, hereby constitutes
and appoints each of Raymond H. Hefner, Jr. and James R. Tolbert,
III the lawful attorney and agent with full power of substitution
and resubstitution for the undersigned and in the name, place and
stead of the undersigned, in any and all capacities, to sign any
Schedule 13D and any and all amendments thereto and to file same,
with all exhibits thereto and other documents in connection
therewith, with the Securities and Exchange Commission, granting
unto said attorney in fact and agent full power and authority to
do and perform each and every act and thing requisite and
necessary to be done, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and
confirming all that said attorney in fact and agent or substitute
or substitutes may lawfully do or cause to be done by virtue
hereof.

     In recognition of the fact that the execution of the
Stockholder Tender Agreement dated January 6, 1997 (the
"Agreement") will constitute acting as a group with the other
shareholders to that Agreement for the purpose of acquiring,
holding or disposing of securities of Bonray Drilling Corporation
such that such shareholders will be deemed to be a "person"
within the meaning of Section 13(d)(3) of the Securities Exchange
Act of 1934, as amended (the "Exchange Act"), the undersigned
agrees to cooperate in the prompt and timely preparation and
signing of, and to file jointly with the other shareholders to
the Agreement, a statement on Schedule 13D with respect to the
Agreement and any required amendments thereto pursuant to Rule
13d-1 of the Exchange Act.


 
                                       RICHARD B. HEFNER

                                       Richard B. Hefner




                        POWER OF ATTORNEY


     The undersigned, by his signature below, hereby constitutes
and appoints each of Raymond H. Hefner, Jr. and James R. Tolbert,
III the lawful attorney and agent with full power of substitution
and resubstitution for the undersigned and in the name, place and
stead of the undersigned, in any and all capacities, to sign any
Schedule 13D and any and all amendments thereto and to file same,
with all exhibits thereto and other documents in connection
therewith, with the Securities and Exchange Commission, granting
unto said attorney in fact and agent full power and authority to
do and perform each and every act and thing requisite and
necessary to be done, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and
confirming all that said attorney in fact and agent or substitute
or substitutes may lawfully do or cause to be done by virtue
hereof.

     In recognition of the fact that the execution of the
Stockholder Tender Agreement dated January 6, 1997 (the
"Agreement") will constitute acting as a group with the other
shareholders to that Agreement for the purpose of acquiring,
holding or disposing of securities of Bonray Drilling Corporation
such that such shareholders will be deemed to be a "person"
within the meaning of Section 13(d)(3) of the Securities Exchange
Act of 1934, as amended (the "Exchange Act"), the undersigned
agrees to cooperate in the prompt and timely preparation and
signing of, and to file jointly with the other shareholders to
the Agreement, a statement on Schedule 13D with respect to the
Agreement and any required amendments thereto pursuant to Rule
13d-1 of the Exchange Act.

 
                                   EGEAN FINANCIERA CORPORATION


                                   By:  ALEXANDROS KEDROS

                                        Alexandros Kedros,
Authorized                                        Signatory
                                     





                        POWER OF ATTORNEY


     The undersigned, by his signature below, hereby constitutes
and appoints each of Raymond H. Hefner, Jr. and James R. Tolbert,
III the lawful attorney and agent with full power of substitution
and resubstitution for the undersigned and in the name, place and
stead of the undersigned, in any and all capacities, to sign any
Schedule 13D and any and all amendments thereto and to file same,
with all exhibits thereto and other documents in connection
therewith, with the Securities and Exchange Commission, granting
unto said attorney in fact and agent full power and authority to
do and perform each and every act and thing requisite and
necessary to be done, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and
confirming all that said attorney in fact and agent or substitute
or substitutes may lawfully do or cause to be done by virtue
hereof.

     In recognition of the fact that the execution of the
Stockholder Tender Agreement dated January 6, 1997 (the
"Agreement") will constitute acting as a group with the other
shareholders to that Agreement for the purpose of acquiring,
holding or disposing of securities of Bonray Drilling Corporation
such that such shareholders will be deemed to be a "person"
within the meaning of Section 13(d)(3) of the Securities Exchange
Act of 1934, as amended (the "Exchange Act"), the undersigned
agrees to cooperate in the prompt and timely preparation and
signing of, and to file jointly with the other shareholders to
the Agreement, a statement on Schedule 13D with respect to the
Agreement and any required amendments thereto pursuant to Rule
13d-1 of the Exchange Act.


 
                                   CIRCLE SHIPPING COMPANY


                                   By:  TRYPHON KEDROS

                                        Tryphon Kedros,
Authorized                                        Signatory






                        POWER OF ATTORNEY


     The undersigned, by his signature below, hereby constitutes
and appoints each of Raymond H. Hefner, Jr. and James R. Tolbert,
III the lawful attorney and agent with full power of substitution
and resubstitution for the undersigned and in the name, place and
stead of the undersigned, in any and all capacities, to sign any
Schedule 13D and any and all amendments thereto and to file same,
with all exhibits thereto and other documents in connection
therewith, with the Securities and Exchange Commission, granting
unto said attorney in fact and agent full power and authority to
do and perform each and every act and thing requisite and
necessary to be done, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and
confirming all that said attorney in fact and agent or substitute
or substitutes may lawfully do or cause to be done by virtue
hereof.

     In recognition of the fact that the execution of the
Stockholder Tender Agreement dated January 6, 1997 (the
"Agreement") will constitute acting as a group with the other
shareholders to that Agreement for the purpose of acquiring,
holding or disposing of securities of Bonray Drilling Corporation
such that such shareholders will be deemed to be a "person"
within the meaning of Section 13(d)(3) of the Securities Exchange
Act of 1934, as amended (the "Exchange Act"), the undersigned
agrees to cooperate in the prompt and timely preparation and
signing of, and to file jointly with the other shareholders to
the Agreement, a statement on Schedule 13D with respect to the
Agreement and any required amendments thereto pursuant to Rule
13d-1 of the Exchange Act.


 
                                   SIERRA FINANCIERA CORPORATION


                                   By:  TRYPHON KEDROS

                                        Tryphon Kedros,
Authorized                                        Signatory


                        POWER OF ATTORNEY


     The undersigned, by his signature below, hereby constitutes
and appoints each of Raymond H. Hefner, Jr. and James R. Tolbert,
III the lawful attorney and agent with full power of substitution
and resubstitution for the undersigned and in the name, place and
stead of the undersigned, in any and all capacities, to sign any
Schedule 13D and any and all amendments thereto and to file same,
with all exhibits thereto and other documents in connection
therewith, with the Securities and Exchange Commission, granting
unto said attorney in fact and agent full power and authority to
do and perform each and every act and thing requisite and
necessary to be done, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and
confirming all that said attorney in fact and agent or substitute
or substitutes may lawfully do or cause to be done by virtue
hereof.

     In recognition of the fact that the execution of the
Stockholder Tender Agreement dated January 6, 1997 (the
"Agreement") will constitute acting as a group with the other
shareholders to that Agreement for the purpose of acquiring,
holding or disposing of securities of Bonray Drilling Corporation
such that such shareholders will be deemed to be a "person"
within the meaning of Section 13(d)(3) of the Securities Exchange
Act of 1934, as amended (the "Exchange Act"), the undersigned
agrees to cooperate in the prompt and timely preparation and
signing of, and to file jointly with the other shareholders to
the Agreement, a statement on Schedule 13D with respect to the
Agreement and any required amendments thereto pursuant to Rule
13d-1 of the Exchange Act.


 
                                       M. TERIAKIDIS

                                       M. Teriakidis




                        POWER OF ATTORNEY


     The undersigned, by his signature below, hereby constitutes
and appoints each of Raymond H. Hefner, Jr. and James R. Tolbert,
III the lawful attorney and agent with full power of substitution
and resubstitution for the undersigned and in the name, place and
stead of the undersigned, in any and all capacities, to sign any
Schedule 13D and any and all amendments thereto and to file same,
with all exhibits thereto and other documents in connection
therewith, with the Securities and Exchange Commission, granting
unto said attorney in fact and agent full power and authority to
do and perform each and every act and thing requisite and
necessary to be done, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and
confirming all that said attorney in fact and agent or substitute
or substitutes may lawfully do or cause to be done by virtue
hereof.

     In recognition of the fact that the execution of the
Stockholder Tender Agreement dated January 6, 1997 (the
"Agreement") will constitute acting as a group with the other
shareholders to that Agreement for the purpose of acquiring,
holding or disposing of securities of Bonray Drilling Corporation
such that such shareholders will be deemed to be a "person"
within the meaning of Section 13(d)(3) of the Securities Exchange
Act of 1934, as amended (the "Exchange Act"), the undersigned
agrees to cooperate in the prompt and timely preparation and
signing of, and to file jointly with the other shareholders to
the Agreement, a statement on Schedule 13D with respect to the
Agreement and any required amendments thereto pursuant to Rule
13d-1 of the Exchange Act.


 
                                       JAMES R. TOLBERT III

                                       James R. Tolbert III,
                                        Custodian





                        POWER OF ATTORNEY


     The undersigned, by his signature below, hereby constitutes
and appoints each of Raymond H. Hefner, Jr. and James R. Tolbert,
III the lawful attorney and agent with full power of substitution
and resubstitution for the undersigned and in the name, place and
stead of the undersigned, in any and all capacities, to sign any
Schedule 13D and any and all amendments thereto and to file same,
with all exhibits thereto and other documents in connection
therewith, with the Securities and Exchange Commission, granting
unto said attorney in fact and agent full power and authority to
do and perform each and every act and thing requisite and
necessary to be done, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and
confirming all that said attorney in fact and agent or substitute
or substitutes may lawfully do or cause to be done by virtue
hereof.

     In recognition of the fact that the execution of the
Stockholder Tender Agreement dated January 6, 1997 (the
"Agreement") will constitute acting as a group with the other
shareholders to that Agreement for the purpose of acquiring,
holding or disposing of securities of Bonray Drilling Corporation
such that such shareholders will be deemed to be a "person"
within the meaning of Section 13(d)(3) of the Securities Exchange
Act of 1934, as amended (the "Exchange Act"), the undersigned
agrees to cooperate in the prompt and timely preparation and
signing of, and to file jointly with the other shareholders to
the Agreement, a statement on Schedule 13D with respect to the
Agreement and any required amendments thereto pursuant to Rule
13d-1 of the Exchange Act.


 
                                        JAMES R. TOLBERT III

                                        James R. Tolbert III as
                                        Trustee of the James R.
                                        Tolbert III Revocable
                                        Trust







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