<PAGE>
CUSIP NO. 23380G106
4OMB APPROVAL
------------------------------------------
OMB Number:. . . . . . . . . . . 3235-0145
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. ONE)*
DAILEY PETROLEUM SERVICES
- --------------------------------------------------------------------------------
Name of Issuer
COMMON STOCK
- --------------------------------------------------------------------------------
(Title of Class of Securities)
23380G106
- --------------------------------------------------------------------------------
CUSIP Number
ROBERT C. GREENWOOD ROBERTSON, STEPHENS & COMPANY
555 CALIFORNIA STREET, SUITE 2600, SAN FRANCISCO, CA 94104
(415) 781-9700
- --------------------------------------------------------------------------------
(Name, Address and Telephone Number of Person Authorized to Receive Notices and
Communications
MARCH 4, 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 the statement [ ]. (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 five percent or less 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 are 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).
<PAGE>
SCHEDULE 13D
CUSIP No. 23380G106
- -------------------------------------------------------------------------------
(1) Names of Reporting Persons. S.S. or I.R.S. Identification Nos. of Above
Persons
The Robertson Stephens Global Natural Resources Fund
Tax I.D. 94-6688562
- -------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member (a) / /
of a Group* (b) /X/
- -------------------------------------------------------------------------------
(3) SEC Use Only
- -------------------------------------------------------------------------------
(4) Source of Funds*
WC
- -------------------------------------------------------------------------------
(5) Check if Disclosure of Legal Proceedings is Required Pursuant to
Items 2(d) or 2(e)
- -------------------------------------------------------------------------------
(6) Citizenship or Place of Organization
California
- -------------------------------------------------------------------------------
Number of Shares (7) Sole Voting
Beneficially Owned Power 0
by Each Reporting --------------------------------------------------
Person With (8) Shared Voting
Power 202,800
--------------------------------------------------
(9) Sole Dispositive
Power 0
--------------------------------------------------
(10) Shared Dispositive
Power 202,800
- -------------------------------------------------------------------------------
(11) Aggregate Amount Beneficially Owned by Each Reporting Person
202,800
- -------------------------------------------------------------------------------
(12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares*
- -------------------------------------------------------------------------------
(13) Percent of Class Represented by Amount in Row (11)
5.4%
- -------------------------------------------------------------------------------
(14) Type of Reporting Person*
IV
- -------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE,
RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE
ATTESTATION.
<PAGE>
SCHEDULE 13D
CUSIP No. 23380G106
- -------------------------------------------------------------------------------
(1) Names of Reporting Persons. S.S. or I.R.S. Identification Nos. of Above
Persons
The Robertson Partners Fund
Tax I.D. 94-3221209
- -------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member (a) / /
of a Group* (b) /X/
- -------------------------------------------------------------------------------
(3) SEC Use Only
- -------------------------------------------------------------------------------
(4) Source of Funds*
WC
- -------------------------------------------------------------------------------
(5) Check if Disclosure of Legal Proceedings is Required Pursuant to
Items 2(d) or 2(e)
- -------------------------------------------------------------------------------
(6) Citizenship or Place of Organization
California
- -------------------------------------------------------------------------------
Number of Shares (7) Sole Voting
Beneficially Owned Power 0
by Each Reporting --------------------------------------------------
Person With (8) Shared Voting
Power 102,900
--------------------------------------------------
(9) Sole Dispositive
Power 0
--------------------------------------------------
(10) Shared Dispositive
Power 102,900
- -------------------------------------------------------------------------------
(11) Aggregate Amount Beneficially Owned by Each Reporting Person
102,900
- -------------------------------------------------------------------------------
(12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares*
- -------------------------------------------------------------------------------
(13) Percent of Class Represented by Amount in Row (11)
2.74%
- -------------------------------------------------------------------------------
(14) Type of Reporting Person*
IV
- -------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE,
RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE
ATTESTATION.
<PAGE>
SCHEDULE 13D
CUSIP No. 23380G106
- -------------------------------------------------------------------------------
(1) Names of Reporting Persons.
S.S. or I.R.S. Identification Nos. of Above Persons
The Robertson Stephens Orphan Fund
Tax I.D. 94-3108651
- -------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member (a) / /
of a Group* (b) /X/
- -------------------------------------------------------------------------------
(3) SEC Use Only
WC
- -------------------------------------------------------------------------------
(4) Source of Funds*
- -------------------------------------------------------------------------------
(5) Check if Disclosure of Legal Proceedings is Required Pursuant to
Items 2(d) or 2(e)
- -------------------------------------------------------------------------------
(6) Citizenship or Place of Organization
California
- -------------------------------------------------------------------------------
Number of Shares (7) Sole Voting
Beneficially Owned Power 0
by Each Reporting --------------------------------------------------
Person With (8) Shared Voting
Power 12,300
--------------------------------------------------
(9) Sole Dispositive
Power 0
--------------------------------------------------
(10) Shared Dispositive
Power 12,300
- -------------------------------------------------------------------------------
(11) Aggregate Amount Beneficially Owned by Each Reporting Person
12,300
- -------------------------------------------------------------------------------
(12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares*
- -------------------------------------------------------------------------------
(13) Percent of Class Represented by Amount in Row (11)
.3%
- -------------------------------------------------------------------------------
(14) Type of Reporting Person*
IV
- -------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE,
RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE
ATTESTATION.
<PAGE>
SCHEDULE 13D
CUSIP No. 23380G106
- -------------------------------------------------------------------------------
(1) Names of Reporting Persons. S.S. or I.R.S. Identification Nos. of Above
Persons
The Robertson Stephens Orphan Offshore Fund
- -------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member (a) / /
of a Group* (b) /X/
- -------------------------------------------------------------------------------
(3) SEC Use Only
- -------------------------------------------------------------------------------
(4) Source of Funds*
WC
- -------------------------------------------------------------------------------
(5) Check if Disclosure of Legal Proceedings is Required Pursuant to
Items 2(d) or 2(e)
- -------------------------------------------------------------------------------
(6) Citizenship or Place of Organization
California
- -------------------------------------------------------------------------------
Number of Shares (7) Sole Voting
Beneficially Owned Power 0
by Each Reporting --------------------------------------------------
Person With (8) Shared Voting
Power 5,700
--------------------------------------------------
(9) Sole Dispositive
Power 0
--------------------------------------------------
(10) Shared Dispositive
Power 5,700
- -------------------------------------------------------------------------------
(11) Aggregate Amount Beneficially Owned by Each Reporting Person
5,700
- -------------------------------------------------------------------------------
(12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares*
- -------------------------------------------------------------------------------
(13) Percent of Class Represented by Amount in Row (11)
.2%
- -------------------------------------------------------------------------------
(14) Type of Reporting Person*
IV
- -------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE,
RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE
ATTESTATION.
<PAGE>
SCHEDULE 13D
CUSIP No. 23380G106
- -------------------------------------------------------------------------------
(1) Names of Reporting Persons. S.S. or I.R.S. Identification Nos. of Above
Persons
Robertson, Stephens & Co. Investment Management L.P.
- -------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member (a) / /
of a Group* (b) /X/
- -------------------------------------------------------------------------------
(3) SEC Use Only
- -------------------------------------------------------------------------------
(4) Source of Funds*
WC
- -------------------------------------------------------------------------------
(5) Check if Disclosure of Legal Proceedings is Required Pursuant to
Items 2(d) or 2(e)
- -------------------------------------------------------------------------------
(6) Citizenship or Place of Organization
California
- -------------------------------------------------------------------------------
Number of Shares (7) Sole Voting
Beneficially Owned Power 0
by Each Reporting --------------------------------------------------
Person With (8) Shared Voting
Power
323,700 (includes shares held of record by The
Robertson Stephens Orphan Fund of which Robertson,
Stephens & Co. Investment Management, L.P. and
Bayview Investors, Ltd. are the General Partners.
Robertson, Stephens & Co., Inc. is General
Partner of Robertson, Stephens & Co. Investment
Management, L.P. and Bayview Investors, Ltd..
Includes shares held of record by The Robertson
Stephens Orphan Offshore Fund of which Robertson,
Stephens & Co. Investment Management, L.P. is
General Partner. Includes shares held of record
by The Robertson Stephens Global Natural
Resources Fund of which Robertson, Stephens &
Co. Investment Management, L.P. is investment
adviser. Includes shares held of record by The
Robertson Stephens Partners Fund of which
Robertson, Stephens & Co. Investment Management,
L.P. is investment adviser. See Item 5.)
--------------------------------------------------
(9) Sole Dispositive
Power 0
--------------------------------------------------
(10) Shared Dispositive
Power 323,700
- -------------------------------------------------------------------------------
(11) Aggregate Amount Beneficially Owned by Each Reporting Person
323,700
- -------------------------------------------------------------------------------
(12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares*
- -------------------------------------------------------------------------------
(13) Percent of Class Represented by Amount in Row (11)
8.6%
- -------------------------------------------------------------------------------
(14) Type of Reporting Person*
IV
- -------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE,
RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE
ATTESTATION.
<PAGE>
SCHEDULE 13D
CUSIP No. 23380G106
- -------------------------------------------------------------------------------
(1) Names of Reporting Persons. S.S. or I.R.S. Identification Nos. of Above
Persons
Bayview Investors L.P.
- -------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member (a) / /
of a Group* (b) /X/
- -------------------------------------------------------------------------------
(3) SEC Use Only
- -------------------------------------------------------------------------------
(4) Source of Funds*
WC
- -------------------------------------------------------------------------------
(5) Check if Disclosure of Legal Proceedings is Required Pursuant to
Items 2(d) or 2(e)
- -------------------------------------------------------------------------------
(6) Citizenship or Place of Organization
California
- -------------------------------------------------------------------------------
Number of Shares (7) Sole Voting
Beneficially Owned Power 0
by Each Reporting --------------------------------------------------
Person With (8) Shared Voting
Power
5,700 (Includes shares held of record by The
Robertson Stephens Orphan Fund of which
Robertson, Stephens & Co. Investment Management,
L.P. and Bayview Investors, Ltd. are the General
Partners. Robertson, Stephens & Co., Inc. is
General Partner of Robertson, Stephens & Co.
Investment Management, L.P. and Bayview
Investors, Ltd.
--------------------------------------------------
(9) Sole Dispositive
Power 0
--------------------------------------------------
(10) Shared Dispositive
Power 5,700
- -------------------------------------------------------------------------------
(11) Aggregate Amount Beneficially Owned by Each Reporting Person
5,700
- -------------------------------------------------------------------------------
(12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares*
- -------------------------------------------------------------------------------
(13) Percent of Class Represented by Amount in Row (11)
.2%
- -------------------------------------------------------------------------------
(14) Type of Reporting Person*
IV
- -------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE,
RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE
ATTESTATION.
<PAGE>
SCHEDULE 13D
CUSIP No. 23380G106
- -------------------------------------------------------------------------------
(1) Names of Reporting Persons. S.S. or I.R.S. Identification Nos. of Above
Persons
Robertson, Stephens & Company, Incorporated
Tax I.D. 94-3172874 See Exhibit A for a list of Executive Officers
- -------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member (a) / /
of a Group* (b) /X/
- -------------------------------------------------------------------------------
(3) SEC Use Only
- -------------------------------------------------------------------------------
(4) Source of Funds*
OO (Working Capital of Purchasing Funds) See Item 2.
- -------------------------------------------------------------------------------
(5) Check if Disclosure of Legal Proceedings is Required Pursuant to
Items 2(d) or 2(e)
- -------------------------------------------------------------------------------
(6) Citizenship or Place of Organization
California
- -------------------------------------------------------------------------------
Number of Shares (7) Sole Voting
Beneficially Owned Power 0
by Each Reporting --------------------------------------------------
Person With (8) Shared Voting
Power
323,700 (includes shares held of record by The
Robertson Stephens Orphan Fund of which
Robertson, Stephens & Co. Investment Management,
L.P. and Bayview Investors, Ltd. are the General
Partners. Robertson, Stephens & Co., Inc. is
General Partner of Robertson, Stephens & Co.
Investment Management, L.P. and Bayview
Investors, Ltd.. Includes shares held of record
by The Robertson Stephens Orphan Offshore Fund
of which Robertson, Stephens & Co. Investment
Management, L.P. is General Partner. Includes
shares held of record by The Robertson Stephens
Global Natural Resources Fund of which Robertson,
Stephens & Co. Investment Management, L.P. is
investment adviser. Includes shares held of
record by The Robertson Stephens Partners Fund
of which Robertson ,Stephens & Co. Investment
Management, L.P. is investment adviser. See
Item 5.)
--------------------------------------------------
(9) Sole Dispositive
Power 0
--------------------------------------------------
(10) Shared Dispositive
Power 323,700
- -------------------------------------------------------------------------------
(11) Aggregate Amount Beneficially Owned by Each Reporting Person
323,700
- -------------------------------------------------------------------------------
(12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares*
- -------------------------------------------------------------------------------
(13) Percent of Class Represented by Amount in Row (11)
8.6%
- -------------------------------------------------------------------------------
(14) Type of Reporting Person*
CO
- -------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE,
RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE
ATTESTATION.
<PAGE>
SCHEDULE 13D
CUSIP No. 23380G106
- -------------------------------------------------------------------------------
(1) Names of Reporting Persons. S.S. or I.R.S. Identification Nos. of Above
Persons
Paul Stephens
Tax I.D. ###-##-####
- -------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member (a) / /
of a Group* (b) /X/
- -------------------------------------------------------------------------------
(3) SEC Use Only
- -------------------------------------------------------------------------------
(4) Source of Funds*
WC & PF
- -------------------------------------------------------------------------------
(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 of Shares (7) Sole Voting
Beneficially Owned Power
by Each Reporting --------------------------------------------------
Person With (8) Shared Voting
Power
323,700 (includes shares held of record by The
Robertson Stephens Orphan Fund of which
Robertson, Stephens & Co. Investment Management,
L.P. and Bayview Investors, Ltd. are the General
Partners. Robertson, Stephens & Co., Inc. is
General Partner of Robertson, Stephens & Co.
Investment Management, L.P. and Bayview
Investors, Ltd.. Includes shares held of record
by The Robertson Stephens Orphan Offshore Fund
of which Robertson, Stephens & Co. Investment
Management, L.P. is General Partner. Includes
shares held of record by The Robertson Stephens
Global Natural Resources Fund of which Robertson,
Stephens & Co. Investment Management, L.P. is
investment adviser. Includes shares held of
record by The Robertson Stephens Partners Fund
of which Robertson, Stephens & Co. Investment
Management, L.P. is investment adviser. See
Item 5.)
--------------------------------------------------
(9) Sole Dispositive
Power
--------------------------------------------------
(10) Shared Dispositive
Power 323,700
- -------------------------------------------------------------------------------
(11) Aggregate Amount Beneficially Owned by Each Reporting Person
323,700
- -------------------------------------------------------------------------------
(12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares*
- -------------------------------------------------------------------------------
(13) Percent of Class Represented by Amount in Row (11)
8.6%
- -------------------------------------------------------------------------------
(14) Type of Reporting Person*
IN
- -------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE,
RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE
ATTESTATION.
<PAGE>
SCHEDULE 13D
CUSIP No. 23380G106
- -------------------------------------------------------------------------------
(1) Names of Reporting Persons. S.S. or I.R.S. Identification Nos. of Above
Persons
Sanford Robertson
Tax I.D. ###-##-####
- -------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member (a) / /
of a Group* (b) /X/
- -------------------------------------------------------------------------------
(3) SEC Use Only
- -------------------------------------------------------------------------------
(4) Source of Funds*
OO (Working Capital of Purchasing Funds) See Item 2.
- -------------------------------------------------------------------------------
(5) Check if Disclosure of Legal Proceedings is Required Pursuant to
Items 2(d) or 2(e)
- -------------------------------------------------------------------------------
(6) Citizenship or Place of Organization
California
- -------------------------------------------------------------------------------
Number of Shares (7) Sole Voting
Beneficially Owned Power
by Each Reporting --------------------------------------------------
Person With (8) Shared Voting
Power
323,700 (includes shares held of record by The
Robertson Stephens Orphan Fund of which Robertson,
Stephens & Co. Investment Management, L.P. and
Bayview Investors, Ltd. are the General Partners.
Robertson, Stephens & Co., Inc. is General Partner
of Robertson, Stephens & Co. Investment
Management, L.P. and Bayview Investors, Ltd..
Includes shares held of record by The Robertson
Stephens Orphan Offshore Fund of which
Robertson, Stephens & Co. Investment
Management, L.P. is General Partner. Includes
shares held of record by The Robertson Stephens
Global Natural Resources Fund of which
Robertson, Stephens & Co. Investment
Management, L.P. is investment adviser.
Includes shares held of record by The Robertson
Stephens Partners Fund of which Robertson,
Stephens & Co. Investment Management, L.P. is
investment adviser. See Item 5.)
--------------------------------------------------
(9) Sole Dispositive
Power
--------------------------------------------------
(10) Shared Dispositive
Power 323,700
- -------------------------------------------------------------------------------
(11) Aggregate Amount Beneficially Owned by Each Reporting Person
323,700
- -------------------------------------------------------------------------------
(12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares*
- -------------------------------------------------------------------------------
(13) Percent of Class Represented by Amount in Row (11)
8.6%
- -------------------------------------------------------------------------------
(14) Type of Reporting Person*
IN
- -------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE,
RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE
ATTESTATION.
<PAGE>
SCHEDULE 13D
CUSIP No. 23380G106
- -------------------------------------------------------------------------------
(1) Names of Reporting Persons. S.S. or I.R.S. Identification Nos. of Above
Persons
Michael G. McCaffery
Tax I.D. ###-##-####
- -------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member (a) / /
of a Group* (b) /X/
- -------------------------------------------------------------------------------
(3) SEC Use Only
- -------------------------------------------------------------------------------
(4) Source of Funds*
OO (Working Capital of Purchasing Funds) See Item 2.
- -------------------------------------------------------------------------------
(5) Check if Disclosure of Legal Proceedings is Required Pursuant to
Items 2(d) or 2(e)
- -------------------------------------------------------------------------------
(6) Citizenship or Place of Organization
California
- -------------------------------------------------------------------------------
Number of Shares (7) Sole Voting
Beneficially Owned Power
by Each Reporting --------------------------------------------------
Person With (8) Shared Voting
Power
323,700 (Includes shares held of record by The
Robertson Stephens Orphan Fund of which Robertson,
Stephens & Co. Investment Management, L.P. and
Bayview Investors, Ltd. are the General Partners.
Robertson, Stephens & Co., Inc. is General Partner
of Robertson, Stephens & Co. Investment
Management, L.P. and Bayview Investors, Ltd..
Includes shares held of record by The Robertson
Stephens Orphan Offshore Fund of which Robertson,
Stephens & Co. Investment Management, L.P. is
General Partner. Includes shares held of record
by The Robertson Stephens Global Natural Resources
Fund of which Robertson, Stephens & Co. Investment
Management, L.P. is investment adviser. Includes
shares held of record by The Robertson Stephens
Partners Fund of which Robertson, Stephens & Co.
Investment Management, L.P. is investment adviser.
See Item 5.)
--------------------------------------------------
(9) Sole Dispositive
Power
--------------------------------------------------
(10) Shared Dispositive
Power 323,700
- -------------------------------------------------------------------------------
(11) Aggregate Amount Beneficially Owned by Each Reporting Person
323,700
- -------------------------------------------------------------------------------
(12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares*
- -------------------------------------------------------------------------------
(13) Percent of Class Represented by Amount in Row (11)
8.6%
- -------------------------------------------------------------------------------
(14) Type of Reporting Person*
IN
- -------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE,
RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE
ATTESTATION.
<PAGE>
SCHEDULE 13D
CUSIP No. 23380G106
- -------------------------------------------------------------------------------
(1) Names of Reporting Persons. S.S. or I.R.S. Identification Nos. of Above
Persons
G. Randy Hecht
Tax I.D. ###-##-####
- -------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member (a) / /
of a Group* (b) /X/
- -------------------------------------------------------------------------------
(3) SEC Use Only
- -------------------------------------------------------------------------------
(4) Source of Funds*
OO (Working Capital of Purchasing Funds) See Item 2.
- -------------------------------------------------------------------------------
(5) Check if Disclosure of Legal Proceedings is Required Pursuant to
Items 2(d) or 2(e)
- -------------------------------------------------------------------------------
(6) Citizenship or Place of Organization
California
- -------------------------------------------------------------------------------
Number of Shares (7) Sole Voting
Beneficially Owned Power
by Each Reporting --------------------------------------------------
Person With (8) Shared Voting
Power
323,700 (Includes shares held of record by The
Robertson Stephens Orphan Fund of which Robertson,
Stephens & Co. Investment Management, L.P. and
Bayview Investors, Ltd. are the General Partners.
Robertson, Stephens & Co., Inc. is General Partner
of Robertson, Stephens & Co. Investment
Management, L.P. and Bayview Investors, Ltd..
Includes shares held of record by The Robertson
Stephens Orphan Offshore Fund of which Robertson,
Stephens & Co. Investment Management, L.P. is
General Partner. Includes shares held of record
by The Robertson Stephens Global Natural Resources
Fund of which Robertson, Stephens & Co. Investment
Management, L.P. is investment adviser. Includes
shares held of record by The Robertson Stephens
Partners Fund of which Robertson, Stephens & Co.
Investment Management, L.P. is investment
adviser. See Item 5.)
--------------------------------------------------
(9) Sole Dispositive
Power
--------------------------------------------------
(10) Shared Dispositive
Power 323,700
- -------------------------------------------------------------------------------
(11) Aggregate Amount Beneficially Owned by Each Reporting Person
323,700
- -------------------------------------------------------------------------------
(12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares*
- -------------------------------------------------------------------------------
(13) Percent of Class Represented by Amount in Row (11)
8.6%
- -------------------------------------------------------------------------------
(14) Type of Reporting Person*
IN
- -------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE,
RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE
ATTESTATION.
<PAGE>
SCHEDULE 13D
CUSIP No. 23380G106
- -------------------------------------------------------------------------------
(1) Names of Reporting Persons. S.S. or I.R.S. Identification Nos. of Above
Persons
Kenneth R. Fitzsimmons
Tax I.D. ###-##-####
- -------------------------------------------------------------------------------
(2) Check the Appropriate Box if a Member (a) / /
of a Group* (b) /X/
- -------------------------------------------------------------------------------
(3) SEC Use Only
- -------------------------------------------------------------------------------
(4) Source of Funds*
OO (Working Capital of Purchasing Funds) See Item 2.
- -------------------------------------------------------------------------------
(5) Check if Disclosure of Legal Proceedings is Required Pursuant to
Items 2(d) or 2(e)
- -------------------------------------------------------------------------------
(6) Citizenship or Place of Organization
California
- -------------------------------------------------------------------------------
Number of Shares (7) Sole Voting
Beneficially Owned Power
by Each Reporting --------------------------------------------------
Person With (8) Shared Voting
Power
323,700 (Includes shares held of record by The
Robertson Stephens Orphan Fund of which
Robertson, Stephens & Co. Investment
Management, L.P. and Bayview Investors, Ltd.
are the General Partners. Robertson, Stephens &
Co., Inc. is General Partner of Robertson,
Stephens & Co. Investment Management, L.P. and
Bayview Investors, Ltd.. Includes shares held
of record by The Robertson Stephens Orphan
Offshore Fund of which Robertson, Stephens &
Co. Investment Management, L.P. is General
Partner. Includes shares held of record by The
Robertson Stephens Global Natural Resources
Fund of which Robertson, Stephens & Co.
Investment Management, L.P. is investment
adviser. Includes shares held of record by The
Robertson Stephens Partners Fund of which
Robertson, Stephens & Co. Investment
Management, L.P. is investment adviser. See
Item 5.)
--------------------------------------------------
(9) Sole Dispositive
Power
--------------------------------------------------
(10) Shared Dispositive
Power 323,700
- -------------------------------------------------------------------------------
(11) Aggregate Amount Beneficially Owned by Each Reporting Person
323,700
- -------------------------------------------------------------------------------
(12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares*
- -------------------------------------------------------------------------------
(13) Percent of Class Represented by Amount in Row (11)
8.6%
- -------------------------------------------------------------------------------
(14) Type of Reporting Person*
IN
- -------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE,
RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE
ATTESTATION.
<PAGE>
ITEM 1. SECURITY AND ISSUER.
This Schedule 13D is filed with respect to the Common Stock of Dailey
Petroleum Services (the "Company").
ITEM 2: IDENTITY AND BACKGROUND.
The Schedule 13D is filed on behalf of The Robertson Stephens Orphan
Fund, Robertson, Stephens & Company Investment Management, L.P. ("RS&Co.,L.P."),
Bayview Investors, Ltd. ("Bayview"), The Robertson Stephens Global Natural
Resources Fund, The Robertson Stephens Partners Fund, Robertson, Stephens &
Company, Inc. ("RS&Co., Inc."), and RS&Co., Inc.'s five shareholders, Messrs.
Sanford R. Robertson, Paul H. Stephens, Michael G. McCaffery, G. Randy Hecht,
and Kenneth R. Fitzsimmons. The purhase of the Company's shares giving rise to
this 13D was made by two investment funds, The Robertson Stephens Orphan Fund
(the "Fund"), The Robertson, Stephens Global Natural Resources Fund, The
Robertson Stephens Orphan Offshore Fund, and The Robertson Stephens Partners
Fund.
This Schedule 13D relates to the direct beneficial ownership in the
shares of the Company by the Funds, and the indirect beneficial ownership of
RS&Co., L.P., Bayview, and RS&Co., Inc. in the shares of the Company held by the
Funds. Messrs. Robertson, Stephens, McCaffery, Hecht and Fitzsimmons disclaim
any beneficial ownership with respect to shares of the Company that RS&Co., Inc.
may be deemed to be beneficially own, are included in this Schedule 13D for
protective disclosure purposes only, and shall not be deemed by their inclusion
in this Schedule 13D to have made any admission that any such person has any
beneficial interest in such shares.
Set forth below is the following information with respect to the persons
signing this Schedule 13D: name; place of organization; address of principal
business and office; principal business; information concerning criminal
convictions during the past five years; and information concerning civil or
administrative proceedings during the past five years with respect to any state
or federal securities laws.
I. (a) The Robertson Stephens Global Natural Resources Fund, A Massachusetts
Business Trust. The Registered Investment Manager of The Robertson
Stephens Global Natural Resources Fund is: Robertson, Stephens & Co.
Investment Management, L.P. The General Partner of Robertson,
Stephens & Co. Investment Management, L.P. is Robertson, Stephens &
Company, Incorporated.
(b) 555 California Street, Suite 2600
San Francisco, CA 94104
(c) Business Trust, Registered Investment Company.
(d) No convictions in criminal proceedings.
(e) No civil or administrative proceedings.
II. (a) The Robertson Stephens Partners Fund, A Massachusetts Business Trust.
The Registered Investment Manager of The Robertson Stephens Global
Natural Resources Fund is:
<PAGE>
Robertson, Stephens & Co. Investment Management, L.P. The General
Partner of Robertson, Stephens & Co. Investment Management, L.P. is
Robertson, Stephens & Company, Incorporated.
(b) 555 California Street, Suite 2600
San Francisco, CA 94104
(c) Business Trust, Registered Investment Company.
(d) No convictions in criminal proceedings.
(e) No civil or administrative proceedings.
III. (a) The Robertson Stephens Orphan Fund, A California Limited Partnership.
(b) 555 California Street, Suite 2600
San Francisco, CA 94104
(c) Limited Partnership
(d) No convictions in criminal proceedings.
(e) No civil or administrative proceedings.
IV. (a) The Robertson Stephens Orphan Offshore Fund, A Cayman Islands Limited
Partnership.
(b) 555 California Street, Suite 2600
San Francisco, CA 94104
(c) Limited Partnership
(d) No convictions in criminal proceedings.
(e) No civil or administrative proceedings.
V. (a) Robertson, Stephens & Company, Incorporated, is a California
Corporation. Robertson, Stephens & Company, Incorporated is the
General Partner of Robertson, Stephens & Company, L.P.
(b) 555 California Street, Suite 2600
San Francisco, CA 94104
(c) Corporation, Investment Banking.
(d) No convictions in criminal proceedings.
(e) No civil or administrative proceedings.
<PAGE>
VI. (a) Bayview Investors L.P. A California Limited Partnership
(b) 555 California Street, Suite 2600
San Francisco, CA 94104
(c) Limited Partnership
(d) No convictions in criminal proceedings.
(e) No civil or administrative proceedings.
VII. (a) Robertson, Stephens & Company, Investment Management L.P. is a
California Corporation. Robertson, Stephens & Company, Incorporated
is the General Partner of Robertson, Stephens & Company, Investment
Management L.P.
(b) 555 California Street, Suite 2600
San Francisco, CA 94104
(c) Corporation, Investment Banking.
(d) No convictions in criminal proceedings.
(e) No civil or administrative proceedings.
VIII.(a) Paul H. Stephens.
(b) 555 California Street, Suite 2600
San Francisco, CA 94104
(c) Paul H. Stephens is Managing Director and Chief Investment Officer,
and a shareholder, of Robertson, Stephens & Company, Incorporated.
(d) No convictions in criminal proceedings.
(e) No civil or administrative proceedings.
IX. (a) Sanford R. Robertson.
(b) 555 California Street, Suite 2600
San Francisco, CA 94104
(c) Sanford R. Robertson is the Chairman of and a shareholder of
Robertson, Stephens & Company, Incorporated.
(d) No convictions in criminal proceedings.
(e) No civil or administrative proceedings.
X. (a) Michael G. McCaffery.
<PAGE>
(b) 555 California Street, Suite 2600
San Francisco, CA 94104
(c) Michael G. McCaffery is the President and Chief Executive Officer, and
a shareholder, of Robertson, Stephens & Company, Incorporated.
(d) No convictions in criminal proceedings.
(e) No civil or administrative proceedings.
XI. (a) G. Randy Hecht.
(b) 555 California Street, Suite 2600
San Francisco, CA 94104
(c) G. Randy Hecht is the Executive Vice President, Chief Operating
Officer, and shareholder of Robertson, Stephens & Company,
Incorporated.
(d) No convictions in criminal proceedings.
(e) No civil or administrative proceedings.
XII. (a) Kenneth R. Fitzsimmons.
(b) 555 California Street, Suite 2600
San Francisco, CA 94104
(c) Kenneth R. Fitzsimmons is the Managing Director, Director of Capital
Markets, and shareholder of Robertson, Stephens & Company,
Incorporated.
(d) No convictions in criminal proceedings.
(e) No civil or administrative proceedings.
ITEM 3: SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION:
The securities with respect to which this Schedule 13D is filed were
purchased by the Funds using working capital contributed by their respective
partners.
ITEM 4: PURPOSE OF TRANSACTION:
The securities with respect to which this Schedule 13D is filed were
purchased by the Funds in the ordinary course of investment and not with the
intention nor effect of changing or influencing control of the Issuer. The
reporting persons may sell all or part or acquire additional securities of the
Issuer depending on market conditions and other economic factors.
<PAGE>
ITEM 5: INTEREST IN SECURITIES OF THE ISSUER.
(a) (b) The aggregate number and percentage of the class of securities
identified pursuant to Item 1 of this Schedule 13D that are beneficially owned
by the persons listed in Item 2 are as follows:
No. of Shares
Name of Beneficially Percentage of
Beneficial Owner Owned Class(1)
-----------------------------------------------------------------------------
The Robertson Stephens Global Natural Resources Fund 202,800 (1) 5.4%
The Robertson Stephens Partners Fund 102,900 (2) 2.7%
The Robertson Stephens Orphan Fund 12,300 (3) .3%
The Robertson Stephens Orphan Offshore Fund 5,700 (4) .2%
Robertson Stephens & Co Investment Management L.P. 323,700 (5) 8.6%
Bayview Investors, Ltd. 18,000 (6) .3%
Robertson, Stephens & Company, Incorporated 323,700 (7) 8.6%
Paul H. Stephens 323,700 (8) 8.6%
Sanford R. Robertson 323,700 (9) 8.6%
Michael G. McCaffery 323,700 (10) 8.6%
G. Randy Hecht 323,700 (11) 8.6%
Kenneth R. Fitzsimmons 323,700 (12) 8.6%
(1) All percentages in this table are based, pursuant to Rule 13D-1(e) of the
Securities Exchange Act of 1934, as amended, on 3,760,000 shares of Common
Stock of the Issuer outstanding as of December 6, 1996.
(2) The Robertson Stephens Global Natural Resources Fund is a Registered
Investment Company. Robertson, Stephens & Co. Investment Management L.P.
is the registerd investment manager for the Global Natural Resources Fund.
RS&Co., Inc. is the General Partner of Robertson Stephens & Co. Investment
Management L.P.
(3) The Robertson Stephens Partners Fund is a Registered Investment Company.
Robertson Stephens & Co. Investment Management L.P. is the registerd
investment manager for the Global Natural Resources Fund. RS&Co., Inc. is
the General Partner of Robertson Stephens & Co. Investment Management L.P.
(4) The Robertson Stephens Orphan Fund is a California Limited Partnership.
(5) The Robertson Stephens Orphan Offshore Fund is a Cayman Islands Limited
Partnership.
(6) Robertson, Stephens & Co.Investment Management L.P., a California Limited
Partnership, as General Partner of The Robertson Stephens Orphan Fund and
the Robertson Stephens Orphan Offshore Fund is deemed to have shared
dispositive power over 323,700 shares of the Company.
<PAGE>
(7) Bayview Investors, Ltd. is a California Limited Partnership, as General
Partner of The Robertson Stephens Orphan Fund is deemed to have shared
dispositive power over 5,700 shares of the Company.
(8) Robertson, Stephens & Company, Inc., a California Corporation, is the
General Partner of Robertson, Stephens & Company Investment Management
L.P., and as such is deemed to have shared dispositive power over 323,700
shares of the Company. As General Partner of the Global Natural Resources
Fund and the Partners Fund's Investment Adviser, Robertson Stephens & Co.
Investment Management L.P. , Inc. is deemed to have shared dispositive
power over 305,700 shares of the Company.
(9) Paul H. Stephens is the Chief Investment Officer of RS&Co., Inc. and as
such may be deemed to have shared voting power over 323,700 shares of the
Company held by the Funds. He is also a shareholder of Robertson, Stephens
& Company Inc.
(10) Sanford R. Robertson is Chairman and a shareholder of Robertson, Stephens &
Company Inc. and as such may be deemed to have shared voting power over
323,700 shares of the Company held by the Funds.
(11) Michael G. McCaffery is President and Chief Executive Officer and a
shareholder of Robertson, Stephens & Company Inc. and as such may be deemed
to have shared voting power over 323,700 shares of the Company held by the
Funds.
(12) G. Randal Hecht is Executive Vice President, Chief Operating Officer and a
shareholder of Robertson, Stephens & Company Inc. and as such may be deemed
to have shared voting power over 323,700 shares of the Company held by the
Funds.
(13) Kenneth R. Fitzsimmons is the Managing Director, Director of Capital
Markets and a shareholder of Robertson, Stephens & Company Inc. and as such
may be deemed to have shared voting power over 323,700 shares of the
Company held by the Funds.
<PAGE>
(c) The following is a list of transactions by the filing parties since
the last amendment.
Entity Date Shares Price Transaction
------ ---- ------ ----- -----------
Global Natural
Resources Fund March 4, 1997 12,500 $9.59 Open Mkt. Sell
Global Natural
Resources Fund March 4, 1997 6,300 $8.50 Open Mkt. Sell
Partners Fund March 4, 1997 3,100 $9.49 Open Mkt. Sell
Partners Fund March 4, 1997 12,500 $9.59 Open Mkt. Sell
Partners Fund March 6, 1997 6,200 $8.49 Open Mkt. Sell
Orphan
Offshore Fund March 4, 1997 1,100 $9.50 Open Mkt. Sell
Orphan
Offshore Fund March 4, 1997 900 $9.59 Open Mkt. Sell
Orphan
Offshore Fund March 4, 1997 1000 $9.50 Open Mkt. Sell
Orphan
Offshore Fund March 4, 1997 1000 $9.50 Open Mkt. Sell
Orphan
Offshore Fund March 4, 1997 2,100 $9.59 Open Mkt. Sell
Orphan
Offshore Fund March 4, 1997 2,200 $8.50 Open Mkt. Sell
Orphan Fund March 4, 1997 20,000 $9.62 Open Mkt. Sell
Orphan Fund March 4, 1997 5,200 $9.50 Open Mkt. Sell
Orphan Fund March 6, 1997 10,300 $8.50 Open Mkt. Sell
ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT
TO SECURITIES OF THE ISSUER.
Please refer to Item 5.
ITEM 7. MATERIAL TO BE FILED AS EXHIBITS.
The following exhibits are filed herewith:
Exhibit A - Agreement of Joint Filing
Exhibit B - Power of Attorney
<PAGE>
ITEM 8. SIGNATURE PAGE.
After reasonable inquiry and to the best of my knowledge and belief, the
undersigned certify that the information set forth in this statement is true,
complete and correct.
Dated: April 7, 1997
THE ROBERTSON STEPHENS ORPHAN FUND, A CALIFORNIA LIMITED
PARTNERSHIP.
By Robertson, Stephens & Company, L.P.
By Robertson, Stephens & Company, Incorporated
By: Paul H. Stephens*
------------------
Paul H. Stephens
Managing Director and Chief Investment Officer
BAYVIEW INVESTORS, LTD., A CALIFORNIA LIMITED PARTNERSHIP.
By Robertson, Stephens & Company, L.P.
By Robertson, Stephens & Company, Incorporated
By: Paul H. Stephens*
------------------
Paul H. Stephens
Managing Director and Chief Investment Officer
ROBERTSON, STEPHENS & COMPANY, L.P., A CALIFORNIA LIMITED PARTNERSHIP.
By Robertson, Stephens & Company, Incorporated
By: Paul H. Stephens*
------------------
Paul H. Stephens
Managing Director and Chief Investment Officer
THE ROBERTSON STEPHENS CONTRARIAN FUND, A MASSACHUSETTS BUSINESS TRUST.
By Robertson, Stephens & Company, Incorporated
By: Paul H. Stephens*
------------------
Paul H. Stephens
Managing Director and Chief Investment Officer
ROBERTSON, STEPHENS & COMPANY, INCORPORATED
By: Paul H. Stephens*
------------------
Paul H. Stephens
Managing Director and Chief Investment Officer
<PAGE>
Paul H. Stephens*
------------------
Paul H. Stephens
Sanford R. Robertson*
----------------------
Sanford R. Robertson
Michael G. McCaffery*
----------------------
Michael G. McCaffery
G. Randy Hecht*
----------------
G. Randy Hecht
Kenneth R. Fitzsimmons*
------------------------
Kenneth R. Fitzsimmons
*By:_____________________________
Robert C. Greenwood
Pursuant to Power of Attorney
Previously Filed
<PAGE>
EXHIBIT A
AGREEMENT OF JOINT FILING
The undersigned hereby agree that they are filing jointly pursuant to
Rule 13d-1(f)(1) of the Act of the Statement dated January 31, 1997 containing
the information required by Schedule 13D, for the Common Stock of Dailey
Petroleum Services, Inc. held by The Robertson Stephens Orphan Fund, The
Robertson Stephens Orphan Offshore Fund, Bayview Investors, Ltd., Robertson,
Stephens & Company, Investment Management L.P., The Robertson Stephens Global
Natural Resources Fund, The Robertson Stephens Partners Fund, and Robertson,
Stephens & Company, Incorporated.
Dated: January 31, 1997
THE ROBERTSON STEPHENS ORPHAN FUND, A CALIFORNIA LIMITED PARTNERSHIP.
By Robertson, Stephens & Company, L.P.
By Robertson, Stephens & Company, Incorporated
By: Paul H. Stephens*
------------------
Paul H. Stephens
Managing Director and Chief Investment Officer
BAYVIEW INVESTORS, LTD., A CALIFORNIA LIMITED PARTNERSHIP.
By Robertson, Stephens & Company, L.P.
By Robertson, Stephens & Company, Incorporated
By: Paul H. Stephens*
------------------
Paul H. Stephens
Managing Director and Chief Investment Officer
ROBERTSON, STEPHENS & COMPANY INVESTMENT MANAGEMENT, L.P., A
CALIFORNIA LIMITED PARTNERSHIP.
By Robertson, Stephens & Company, Incorporated
By: Paul H. Stephens*
------------------
Paul H. Stephens
Managing Director and Chief Investment Officer
THE ROBERTSON STEPHENS GLOBAL NATURAL RESOURCES FUND, A
MASSACHUSETTS BUSINESS TRUST.
By Robertson, Stephens & Company, Incorporated
By: Paul H. Stephens*
------------------
Paul H. Stephens
Managing Director and Chief Investment Officer
<PAGE>
THE ROBERTSON STEPHENS PARTNERS FUND, A MASSACHUSETTS BUSINESS TRUST.
By Robertson, Stephens & Company, Incorporated
By: Paul H. Stephens*
------------------
Paul H. Stephens
Managing Director and Chief Investment Officer
ROBERTSON, STEPHENS & COMPANY, INCORPORATED
By: Paul H. Stephens*
------------------
Paul H. Stephens
Managing Director and Chief Investment Officer
Paul H. Stephens*
------------------
Paul H. Stephens
Sanford R. Robertson*
----------------------
Sanford R. Robertson
Michael G. McCaffery*
----------------------
Michael G. McCaffery
G. Randy Hecht*
----------------
G. Randy Hecht
Kenneth R. Fitzsimmons*
------------------------
Kenneth R. Fitzsimmons
*By _____________________________
Robert C. Greenwood
Pursuant to Power of Attorney
Previously Filed