HORIZONTAL VENTURES INC
S-4/A, 1998-12-24
CRUDE PETROLEUM & NATURAL GAS
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   As filed with the Securities and Exchange Commission on December ___, 1998
                      Securities Act Registration No. 333-
                             Securities Exchange Act
                            Registration No. 0-20760

                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                                    FORM S-4

                                 AMENDMENT NO. 1

             REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

                            HORIZONTAL VENTURES, INC.
             (Exact name of registrant as specified in its charter)
<TABLE>
       <S>                                  <C>                                  <C>  

                  Colorado                              1311                            84-1091986
       (State or other jurisdiction of      (Primary Standard Industrial             (I.R.S. Employer
       incorporation or organization)        Classification Code Number)          Identification Number)
</TABLE>

                630 Fifth Avenue, Suite 1501, New York, NY 10111
                                 (212) 218-4680
         (Address,  including ZIP Code,  and telephone  number,  including  area
code, of registrant's principal executive offices)

                                Randeep S. Grewal
                      Chairman and Chief Executive Officer
                            Horizontal Ventures, Inc.
                          630 Fifth Avenue, Suite 1501
                               New York, NY 10111
                                 (212) 218-4680
                 (Name,  address,  including  ZIP Code,  and  telephone  number,
including area code, of agent for service)

                                   Copies to:
<TABLE>
<S>                                                                            <C>   

                 Roger V. Davidson, Esq.                                           Susan M. Whalen, Esq.
Cohen Brame & Smith Professional Corporation                                      Saba Petroleum Company
          1700 Lincoln Street, Suite 1800                                      3201 Airpark Drive, Suite 201
                    Denver, CO 80203                                               Santa Maria, CA 93455
                        (303) 837-8800                                                (805) 347-8700
                 (303) 894-0475 (FAX)                                              (805) 347-1072 (FAX)
</TABLE>


                  Approximate  date  of  commencement  of  proposed  sale of the
securities to the public:  As soon as  practicable  after the effective  date of
this Registration  Statement and all other conditions to the merger contemplated
by the  Agreement  and Plan of Merger dated  December 18, 1998  described in the
enclosed Joint Proxy Statement/Prospectus have been satisfied or waived.

         If the  securities  being  registered on this Form are being offered in
connection  with the formation of a holding company and there is compliance with
General Instruction G, check the following box. [ ]

         If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the  Securities  Act,  check the following box and
list the Securities Act registration  statement number of the earlier  effective
registration statement for the same offering. [ ]

         If this  Form is a  post-effective  amendment  filed  pursuant  to Rule
462(d) under the Securities Act, check the following box and list the Securities
Act  registration   statement  number  of  the  earlier  effective  registration
statement for the same offering.[ ]



<PAGE>
<TABLE>
<CAPTION>


                         Calculation of Registration Fee
<S>                                 <C>                <C>                  <C>                  <C>   

=================================== ------------------ -------------------- -------------------- ===================
Title of each class of securities     Amount to be      Proposed maximum     Proposed maximum
         to be registered              Registered      offering price per        Aggregate           Amount of
                                                            share(1)          Offering price        Registration
                                                                                                        Fee
=================================== ================== ==================== ==================== ===================
Common Stock, no par value            1,300,000 (1)            N/A             $7,800,000(2)           $2,169
=================================== ================== ==================== ==================== ===================
<FN>


(1)......Represents the estimated number of shares of common stock, no par value
         per  share,  of the  Registrant  ("HVI  Common  Stock")  issuable  upon
         consummation  of the  merger  (the  "Merger")  of a  subsidiary  of the
         Registrant  with and into Saba  Petroleum  Company  ("Saba"),  assuming
         exercise of all  outstanding  options and  warrants to purchase  common
         stock,  par value $.001 per share, of Saba ("Saba Common  Stock").  The
         Registrant  does not expect the number of shares actually issued in the
         Merger to exceed the number indicated.

(2)......Estimated  solely for  purposes of  calculating  the  registration  fee
         required by Section 6(b) of the Securities Act of 1933, as amended (the
         "Securities  Act"), and computed pursuant to Rules 457(f)(1) and 457(c)
         under the Securities Act on the basis of $1.00 (the average of the high
         and low prices of Saba Common Stock as reported on the  American  Stock
         Exchange for December 18, 1998)  multiplied  by 7,800,000  (the maximum
         aggregate  number of shares of Saba Common  Stock to be acquired in the
         Merger,  including  approximately  60,000  shares  subject to  issuance
         pursuant to outstanding stock options and warrants).
</FN>
</TABLE>

         THE REGISTRANT HEREBY AMENDS THIS  REGISTRATION  STATEMENT ON SUCH DATE
         OR DATES AS MAY BE  NECESSARY  TO DELAY ITS  EFFECTIVE  DATE  UNTIL THE
         REGISTRANT  SHALL FILE A FURTHER  AMENDMENT WHICH  SPECIFICALLY  STATES
         THAT THIS  REGISTRATION  STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN
         ACCORDANCE WITH SECTION 8(A) OF THE SECURITIES ACT OF 1933 OR UNTIL THE
         REGISTRATION  STATEMENT  SHALL  BECOME  EFFECTIVE  ON SUCH  DATE AS THE
         COMMISSION, ACTING PURSUANT TO SAID SECTION 8(A), MAY DETERMINE.


<PAGE>


                                 Amendment No. 1
                            Horizontal Ventures, Inc.
                                     HVI S-4


The  sole  purpose  of this  pre-effective  Amendment  No.  1 to a  registration
statement on Form S-4 is to file Exhibit No. 2.1,  Agreement  and Plan of Merger
between  Saba  Petroleum  Company  and  Horizontal  Ventures,   Inc.  which  was
inadvertently  omitted from the original filing.  Exhibit 2.1 also is Annex I to
the Prospectus and Joint Proxy Statement.


<PAGE>


                                                                   SIGNATURES

                  Pursuant  to the  requirements  of  the  Securities  Act,  the
         registrant has duly caused this registration  statement to be signed on
         its behalf by the undersigned,  thereunto duly authorized , in the City
         of New York, State of New York, on December 22, 1998.

                            HORIZONTAL VENTURES, INC.


                       By:___/s/ Randeep S. Grewal________
                  Pursuant to the  requriements  of the  Securities Act of 1933,
         this registration  staement has been signed by the following persons in
         the capacities and on the dates indicated.
<TABLE>
        <S>                                         <C> 

         Date:  December 22, 1998                    _/s/ Randeep S. Grewal_____________
                                                     ----------------------
                                                              Randeep S. Grewal, Chairman and Chief
                                                              Executive Officer and a Director

         Date:  December 22, 1998                    _/s/ Dr. Jan F. Holtrop______________
                                                     -----------------------
                                                              Dr. Jan F. Holtrop, a Director


         Date:  December ___, 1998                   ________________________________
                                                              Dirk Van Keulen, a Director


         Date:  December 22, 1998                    _/s/ George Andrews    _____________
                                                     -----------------------
                                                              George Andrews, a Director

</TABLE>


<PAGE>


                              INDEX OF EXHIBITS TO
                       REGISTRATION STATEMENT ON FORM S-4
                            HORIZONTAL VENTURES, INC.


Exhibit No.                                       Exhibit Description

2.1  Agreement and Plan of Merger dated December 18, 1998 (See Annex I)*
3.1  Restated  Articles  of  Incorporation  of HVI (filed as Exhibit 3A to HVI's
     Quarterly  Report on Form 10-QSB for the quarter  ended June 30, 1998 (File
     No. 0-20760) and incorporated herein by reference)
3.2  By-Laws of HVI  (incorporated  by  reference  to Exhibit No. 3 to the HVI's
     Registration Statement (#33-24265-LA)
4.1  Specimen  Common Stock  Certificates of HVI  (incorporated  by reference to
     Exhibit  Nos. 1A and 1B of HVI's Form 8-A/A  Registration  Statement  (File
     #0-20760)
5.1  Opinion of Cohen Brame & Smith Professional Corporation**
10.1.....Post-Petition Loan Agreement  (incorporated by reference to Exhibit 10E
     to HVI's  Annual  Report on Form  10-KSB  for the year ended  December  31,
     1996).
10.2 Amended Post-Petition Loan Agreement  (incorporated by reference to Exhibit
     10-F to HVI's Annual Report on Form 10-KSB for the year ended  December 31,
     1996).
10.3.....Horizontal   Drilling   Services  Letter  Agreement   (incorporated  by
     reference  to Exhibit  10-G to HVI's  Annual  Report on Form 10-KSB for the
     year ended December 31, 1996).
10.4.....Agreement and Plan of Acquisition (incorporated by reference to Exhibit
     10.1 to HVI's Current Report on Form 8-K for event dated August 11, 1997).
10.5 Randeep S.  Grewal  Employment  Agreement  (incorporated  by  reference  to
     Exhibit 10.1 to HVI's Current Report on Form 8-K for event dated August 28,
     1997).
10.6.....Post Petition Loan Agreement (incorporated by reference to Exhibit 10.1
     to HVI's Current Report on Form 8-K for event dated August 28, 1997.
10.7.....Cat  Canyon  Lease  Purchase  Agreement  (filed as Exhibit 10K to HVI's
     Annual Report on Form 10-KSB for the year ended December 31, 1997 (File No.
     0-20760) and incorporated herein by reference).
10.8.....Employment  Agreement  with Ilyas  Chaudhary  (filed as Exhibit 10.3 to
     Saba's  Registration  Statement  on  Form  SB-2  (File  No.  33-94678)  and
     incorporated herein by reference)
10.9.....Employment  Agreement  with Walton C. Vance (filed as Exhibit  10.31 to
     Saba's  annual  report on Form 10-KSB for the year ended  December 31, 1996
     (File No. 001-13880) and incorporated herein by reference)
10.10....First  Amendment,  Letter  Agreement  with Bradley T. Katzung (filed as
     Exhibit  10.33 to Saba's  annual  report on Form  10-KSB for the year ended
     December  31,  1996  (File  No.  001-13880)  and  incorporated   herein  by
     reference)
10.11....Second Amendment to Employment Agreement with Bradley T. Katzung (Filed
     as  Exhibit  10.5 to Saba's  annual  report on Form 10-K for the year ended
     December  31,  1997  (File  No.  001-13880)  and  incorporated   herein  by
     reference)
10.12....Employment Agreement with Burt Cormany (filed as Exhibit 10.1 to Saba's
     quarterly report on Form 10-QSB for the quarter ending March 31, 1997 (File
     No. 001-13880) and incorporated herein by reference)
10.13....Employment Agreement with Alex Cathcart, dated March 1, 1997, (filed as
             Exhibit 10.38 to Saba's  Quarterly Report Form 10-Q for the quarter
             ended June 30, 1997 (file  No.001-13880) and incorporated herein by
             reference)
10.14....Retainer  Agreement  with Rodney C. Hill, A  Professional  Corporation,
             dated March 16, 1997  (filed as Exhibit  10.39 to Saba's  Quarterly
             Report  Form 10-Q for the  quarter  ended  June 30,  1997(File  No.
             001-13880) and incorporated herein by reference)
10.15....Amendment to Retainer  Agreement  with Rodney C. Hill,  A  Professional
             Corporation  dated March 13, 1998 (Filed as Exhibit  10.9 to Saba's
             annual  report on Form 10-K for the year ended  December  31,  1997
             (File No. 001-13880) and incorporated herein by reference)
10.16....Saba Petroleum Company 1996 Equity Incentive Plan (filed as Exhibit 4.4
     to Saba's  Registration  Statement on Form S-8, dated August 21, 1997 (File
     No. 333-34035) and incorporated herein by reference)
10.17....Saba   Petroleum  Company  1997  Stock  Option  Plan  for  Non-Employee
     Directors  (filed as Exhibit 4.5 to Saba's  Registration  Statement on Form
     S-8, dated August 21, 1997 (File No. 333-34035) and incorporated  herein by
     reference)
10.18....First  Amended and Restated Loan  Agreement  between Saba and Bank One,
     Texas,  N.A.  (filed as  Exhibit  10.1 to Saba's  quarterly  report on Form
     10-QSB for the quarter ended  September 30, 1996 (File No.  001-13880)  and
     incorporated herein by reference)
10.19....Amendment  Number One to First  Amended  and  Restated  Loan  Agreement
     between Saba and Bank One,  Texas,  N.A.  (filed as Exhibit 10.20 to Saba's
     annual report on Form 10-KSB for the year ended December 31, 1996 (File No.
     1-12322) and incorporated herein by reference)
10.20....Amendment  Number Two to First  Amended  and  Restated  Loan  Agreement
     between  Saba and Bank One,  Texas,  N.A.  (filed as Exhibit 10.1 to Saba's
     quarterly  report on Form 10-Q for the  quarter  ended  September  30, 1997
     (File No. 001-13880) and incorporated herein by reference)
10.21....Amendment  Number Three to First  Amended and Restated  Loan  Agreement
     between  Saba and Bank One,  Texas,  N.A.  (filed as Exhibit 10.2 to Saba's
     quarterly  report on Form 10-Q for the  quarter  ended  September  30, 1997
     (File No. 001-13880) and incorporated herein by reference)
10.22....Amendment  Number Four to First  Amended and  Restated  Loan  Agreement
     between  Saba and Bank One,  Texas,  N.A.  (filed as  Exhibit  10 to Saba's
     Current  Report on Form 8-K filed  September 24, 1997 (File No.  001-13880)
     and incorporated herein by reference)
10.23....Corrections  relating to Second  Amendment  dated August 28, 1997,  and
             Fourth  Amendment  dated September 9, 1997 to the First Amended and
             Restated  Loan  Agreement  between Saba and Bank One,  Texas,  N.A.
             (filed as Exhibit 10.4 to Saba's  quarterly report on Form 10-Q for
             the  quarter  ended  September  30, 1997 (File No.  001-13880)  and
             incorporated herein by reference)
10.24....Amendment  Number Five to First  Amended and  Restated  Loan  Agreement
     between  Saba and Bank One,  Texas,  N.A.  (filed as Exhibit 10.4 to Saba's
     Current Report on Form 8-K filed January 15, 1998 (File No.  001-13880) and
     incorporated herein by reference)
10.25....Consent  Letter to Preferred Stock Transaction by Bank One, Texas, N.A.
     dated  December 31, 1997 (filed as Exhibit 10.2 to Saba's Current Report on
     Form 8-K filed  January  15,  1998 (File No.  001-13880)  and  incorporated
     herein by reference)
10.26....Amendment of the First Amended and Restated Loan Agreement between Saba
     and Bank One, Texas,  N.A.,  dated December 31, 1997 (filed as Exhibit 10.3
     to Saba's Report Form 8-K filed January 15, 1998 (File No.  001-13880)  and
     incorporated herein by reference)
10.27....Amendment  Number Seven to First  Amended and Restated  Loan  Agreement
     between Saba and Bank One,  Texas,  N.A.  (Filed as Exhibit 10.21 to Saba's
     annual  report on Form 10-K for the year ended  December 31, 1997 (File No.
     001-13880) and incorporated herein by reference)
10.28....Stock  Purchase Agreement (filed as an exhibit to Saba's Current Report
     on Form 8-K dated  January 10,  1995 (File No.  1-12322)  and  incorporated
     herein by reference)
10.29....Processing  Agreement  between Santa Maria  Refining  Company and Petro
     Source Refining  Corporation (filed as Exhibit 10.6 to Saba's  Registration
     Statement  on Form SB-2  (File No.  33-94678)  and  incorporated  herein by
     reference)
10.30....Agreement  among Saba Petroleum Company,  Omimex de Colombia,  Ltd. and
     Texas  Petroleum  Company to acquire Teca and Nare fields (filed as Exhibit
     10.7 to Saba's Registration  Statement on Form SB-2 (File No. 33-94678) and
     incorporated herein by reference)
10.31....Agreement  among Saba Petroleum Company,  Omimex de Colombia,  Ltd. and
     Texas Petroleum  Company to acquire Cocorna Field (filed as Exhibit 10.8 to
     Saba's  Registration  Statement  on  Form  SB-2  (File  No.  33-94678)  and
     incorporated herein by reference)
10.32....Agreement   among  Saba  Petroleum   Company  and  Cabot  Oil  and  Gas
     Corporation  to acquire Cabot  Properties  (filed as Exhibit 10.9 to Saba's
     Registration  Statement on Form SB-2 (File No.  33-94678) and  incorporated
     herein by reference)
10.33....Agreement   among  Saba  Petroleum   Company,   Beaver  Lake  Resources
     Corporation  and Capco Resource  Properties Ltd. (filed as Exhibit 10.10 to
     Saba's  Registration  Statement  on  Form  SB-2  (File  No.  33-94678)  and
     incorporated herein by reference)
10.34....Amendment to Agreement among Saba,  Omimex de Colombia,  Ltd. and Texas
     Petroleum Company to acquire the Teca and Nare fields (filed as Exhibit 2.2
     to Saba's  Current  Report on Form 8-K dated  September  14, 1995 (File No.
     1-12322) and incorporated herein by reference)
10.35....Promissory Notes of Saba (filed as Exhibit 10.13 to Saba's Registration
     Statement  on Form SB-2  (File No.  33-94678)  and  incorporated  herein by
     reference)
10.36....CRI Stock  Purchase  Termination  Agreement  (filed as Exhibit 10.14 to
     Saba's  Registration  Statement  on  Form  SB-2  (File  No.  33-94678)  and
     incorporated herein by reference)
10.37....Form of Common Stock Conversion Agreement between Capco and Saba (filed
     as Exhibit  10.15 to Saba's  Registration  Statement on Form SB-2 (File No.
     33-94678) and incorporated herein by reference)
10.38....Form of Agreement regarding exercise of preemptive rights between Capco
     and Saba (filed as Exhibit 10.16 to Saba's  Registration  Statement on Form
     SB-2 (File No. 33-94678) and incorporated herein by reference)
10.39....Letter Agreement, as amended, between Omimex de Colombia, Ltd. and Saba
     (filed as Exhibit 10.17 to Saba's Registration Statement on Form SB-2 (File
     No. 33-94678) and incorporated herein by reference)
10.40....Promissory  Note of Mr.  Chaudhary  (filed  as  Exhibit  10.2 to Saba's
     quarterly  report on Form 10-QSB for the quarter  ended June 30, 1996 (File
     No. 001-13880) and incorporated herein by reference)
10.41....Form  of Stock  Option  Agreements  between Mr.  Chaudhary  and Messrs.
     Hickey and Barker (filed as Exhibit 10.3 to Saba's quarterly report on Form
     10-QSB  for the  quarter  ended  June 30,  1996  (File No.  001-13880)  and
     incorporated herein by reference)
10.42....Form of Stock Option  Termination  Agreements  between Saba and Messrs.
     Hagler and Richards  (filed as Exhibit 10.4 to Saba's  quarterly  report on
     Form 10-QSB for the quarter  ended June 30, 1996 (File No.  001-13880)  and
     incorporated by reference)
10.43....Agreement Minutes concerning Colombia oil sales contract between Omimex
             as operator and Ecopetrol  (filed as Exhibit 10.21 to Saba's annual
             report on Form  10-KSB for the year ended  December  31, 1996 (File
             No. 001-13880) and incorporated herein by reference)
10.44....Operating  Agreement  between  Omimex  and  Sabacol-Velasquez  property
             (filed as Exhibit  10.22 to Saba's annual report on Form 10-KSB for
             the  year  ended  December  31,  1996  (File  No.   001-13880)  and
             incorporated herein by reference)
10.45....Operating  Agreement  between  Omimex  and   Sabacol-Cocorna  and  Nare
             properties  (filed as Exhibit 10.23 to Saba's annual report on Form
             10-KSB for the year ended  December  31, 1996 (File No.  001-13880)
             and incorporated herein by reference)
10.46....Operating Agreement between Omimex and Sabacol-Velasquez-Galan Pipeline
             (filed as Exhibit  10.24 to Saba's annual report on Form 10-KSB for
             the  year  ended  December  31,  1996  (File  No.   001-13880)  and
             incorporated herein by reference)
10.47....Operating  Agreement  between  Omimex  and  Sabacol-Cocorna  Concession
             property  (filed as Exhibit  10.25 to Saba's  annual report on Form
             10-KSB for the year ended  December  31, 1996 (File No.  001-13880)
             and incorporated herein by reference)
10.48....Lifeinsurance  contract  on life of Ilyas  Chaudhary  (filed as Exhibit
             10.26 to Saba's  annual  report on Form  10-KSB  for the year ended
             December 31, 1996 (File No.  001-13880) and incorporated  herein by
             reference)
10.49....Lifeinsurance  contract  on life of Ilyas  Chaudhary  (filed as Exhibit
             10.27 to Saba's  annual  report on Form  10-KSB  for the year ended
             December 31, 1996 (File No.  001-13880) and incorporated  herein by
             reference)
10.50....Agreement for Assignment of Leases between Saba and Geo Petroleum, Inc.
     (filed as an exhibit to Saba's  amended  annual report on Form 10-KSB/A for
     the year ended  December  31, 1996 (File No.  001-13880)  and  incorporated
     herein by reference)
10.51....Amendment  to Agreement for  Assignment of Leases  between Saba and Geo
     Petroleum,  Inc.  (Filed as Exhibit  10.45 to Saba's  annual report on Form
     10-K  for the year  ended  December  31,  1997  (File  No.  001-13880)  and
     incorporated herein by reference)
10.52....Agreement to  Provide  Collateral  between  Capco  and  Saba  Petroleum
             Company  (filed as Exhibit  10.29 to Saba's  annual  report on Form
             10-KSB for the year ended  December  31, 1996 (File No.  001-13880)
             and incorporated herein by reference)
10.53....Purchase and Sale Agreement between DuBose Ventures,  Inc.,  Rockbridge
             Oil & Gas,  Inc.,  Saba  Energy of Texas,  Incorporated  and Energy
             Asset  Management  Corporation  to acquire  properties in Jefferson
             Parish,  LA (filed as Exhibit 10.30 to Saba's annual report on Form
             10-KSB for the year ended  December  31, 1996 (File No.  001-13880)
             and incorporated herein by reference)
10.54....Beaver Lake Resources  Corporation  March 1997  Re-Financing  Agreement
             (filed as Exhibit  10.3 to Saba's  quarterly  report on Form 10-QSB
             for the  quarter  ending  March 31, 1997 (File No.  001-13880)  and
             incorporated herein by reference)
10.55....Production Sharing Contract between Perusahaan  Pertambangan Minyak Dan
             Gas Bumi Nagara  (Pertamina)  and Saba Jatiluhur  Limited (filed as
             Exhibit  10.5 to  Saba's  quarterly  report  on Form  10-Q  for the
             quarter ended September 30, 1997 (File No.
             001-13880) and incorporated herein by reference)
10.56....Agreements among Saba,  Amerada Hess  Corporation and Hamar  Associates
             II, LLC dated  November 1, 1997  (Filed as Exhibit  10.50 to Saba's
             annual  report on Form 10-K for the year ended  December  31,  1997
             (File No. 001-13880) and incorporated herein by reference)
10.57....Agreements among Saba,  Chevron  U.S.A.  Production  Company and Nahama
             Natural Gas (Filed as Exhibit 10.51 to Saba's annual report on Form
             10-K for the year ended December 31, 1997 (File No.  001-13880) and
             incorporated herein by reference)
10.58....Exchange  Agreement  between Saba and Energy Asset Management  Company,
     L.L.C.  dated March 6, 1998 (Filed as Exhibit 10.52 to Saba's annual report
     on Form 10-K for the year ended December 31, 1997 (File No.  001-13880) and
     incorporated herein by reference)
10.59....Office Lease  Agreement,  3201 Airpark Drive,  Santa Maria,  California
             (filed as Exhibit  10.2 to Saba's  quarterly  report on Form 10-QSB
             for the  quarter  ending  March 31, 1997 (File No.  001-13880)  and
             incorporated herein by reference)
10.60....Office Lease  Agreement,  17526 Von Karman Avenue,  Irvine,  California
             (Filed as Exhibit  10.54 to Saba's  annual  report on Form 10-K for
             the  year  ended  December  31,  1997  (File  No.   001-13880)  and
             incorporated herein by reference)
10.61....Purchase and Sale Agreement  between Saba and Statoil  Exploration (US)
     Inc. dated August 19, 1997 (filed as an exhibit to Saba's Current Report on
     Form 8-K dated  September 24, 1997 (File No.  001-13880)  and  incorporated
     herein by reference)
10.62....Securities Purchase Agreement dated December 31, 1997 (filed as Exhibit
     10.1 to Saba's Report Form 8-K filed January 15, 1998 (File No.  001-13880)
     and incorporated herein by reference)
10.63....Registration Rights  Agreement  dated as of December 31,  1997(filed as
             Exhibit  3(I).1(a)  to Saba's  Registration  Statement on Form S-1,
             dated January 27, 1998 (File No. 333-45023) and incorporated herein
             by reference)
10.64....Stock Purchase Warrant (Closing  Warrant) dated December 31, 1997(filed
             as Exhibit 3(I).1(a) to Saba's Registration  Statement on Form S-1,
             dated January 27, 1998 (File No. 333-45023) and incorporated herein
             by reference)
10.65....Stock  Purchase  Warrant   (Redemption   Warrant)  dated  December  31,
             1997(filed as Exhibit 3(I).1(a) to Saba's Registration Statement on
             Form  S-1,  dated  January  27,  1998  (File  No.   333-45023)  and
             incorporated herein by reference)
10.66....Finder  Agreement dated as of December 31, 1997 (Filed as Exhibit 10.60
     to Saba's annual  report on Form 10-K for the year ended  December 31, 1997
     (File No. 001-13880) and incorporated herein by reference)
10.67....Stock Purchase  Warrant (Finder  Warrant) dated as of December 31, 1997
             (Filed as Exhibit  10.61 to Saba's  annual  report on Form 10-K for
             the  year  ended  December  31,  1997  (File  No.   001-13880)  and
             incorporated herein by reference)
10.68....Preliminary  Agreement To Enter Into A Business Combination dated March
     18,  1998 by and among Saba and Omimex  Resources,  Inc.  (filed as Exhibit
     10.1 to Saba's  Current  Report on Form 8-K dated  March 30, 1998 (File No.
     001-13880) and incorporated herein by reference)
10.69....Press  Release  announcing  the Proposed  Combination  between Saba and
     Omimex  Resources,  Inc.  dated March 18,  1998  (filed as Exhibit  10.2 to
     Saba's Current Report on Form 8-K dated March 30, 1998 (File No. 001-13880)
     and incorporated herein by reference)
10.70....Preferred Stock  Transfer  Agreement  dated October 7, 1998 between HVI
             and RGC (filed as Exhibit  10.1 to HVI's  Quarterly  Report on Form
             10-QSB for the quarter ended  September  30, 1998 and  incorporated
             herein by reference).
10.71....Common Stock Purchase  Agreement  dated October 8, 1998 between HVI and
             Saba  (filed  as  Exhibit  10.2 to HVI's  Quarterly  Report on Form
             10-QSB for the quarter ended  September  30, 1998 and  incorporated
             herein by reference).
10.72....Option  Agreement  dated July 22,  1998  between  HVI and IPH (filed as
     Exhibit 10.3 to HVI's Quarterly Report on Form 10-QSB for the quarter ended
     September 30, 1998 and incorporated herein by reference).
10.73....Promissory Note dated  October 6, 1998  payable by HVI to IPH (filed as
             Exhibit  10.4 to HVI's  Quarterly  Report  on Form  10-QSB  for the
             quarter  ended  September  30,  1998  and  incorporated  herein  by
             reference).
10.74....Pledge  Agreement  dated  October 6, 1998 between HVI and IPH (filed as
     Exhibit 10.5 to HVI's Quarterly Report on Form 10-QSB for the quarter ended
     September 30, 1998 and incorporated herein by reference).
10.75....Promissory Note dated  November 4, 1998 payable by HVI to IPH (filed as
             Exhibit  10.6 to HVI's  Quarterly  Report  on Form  10-QSB  for the
             quarter  ended  September  30,  1998  and  incorporated  herein  by
             reference).
10.76....Pledge  Agreement  dated November 4, 1998 between HVI and IPH (filed as
     Exhibit 10.7 to HVI's Quarterly Report on Form 10-QSB for the quarter ended
     September 30, 1998 and incorporated herein by reference).
10.77....Agreement  and Plan of  Reorganization  dated as of June 1, 1998 by and
     among Saba and Ominex  Resources,  Inc.  et al.  (filed as Exhibit  10.1 to
     Saba's Curretn Report on Form 8-K dated June 16, 1998 (File No.  001-13880)
     and incorporated herein by reference).
10.78....Consent letter to  provisions  of Section 1.7 of the Agreement and Plan
             of Reorganization by Bank One, Texas, NA, dated June 2, 1998 (filed
             as Exhibit 10.2 to Saba's Current Report on Form 8-K dated June 16,
             1998 (File No. 001-13880) and incorporated herein by reference).
10.79....Amendment ot First Amended and Restated Loan Agreement  dated September
             23,  1996,  as amended  among Saba et al. And Bank One,  Texas,  NA
             dated June 9, 1998 (filed as Exhibit 10.3 to Saba's  Current Report
             on Form 8-K dated June 16, 1998 (File No.
             001-13880) and incorporated herein by reference).
10.80....Mutual  Termination  and Release  Agreement dated September 15, 1998 by
     and among Saba, Saba Acquisition,  Inc., Omimex Resources, Inc., the Omimex
     Resources, Inc. stockholders and Ilyas Chaudhary (filed as Exhibit 10.67 to
     Amendment No. 2 to Saba's Registration Statement on Form S-1 dated December
     23, 1998 (File No. 333-45023) and incorporated herein by reference).
10.81....Letter  Agreement  dated October 8, 1998 between Saba and HVI (filed as
     Exhibit  10.3 to Saba's  Current  Report on Form 8-K dated  October 6, 1998
     (File No. 001-138807) and incorporated herein by reference).
10.82....Employment  Agreement  with Imran Jattala dated July 23, 1998 (filed as
             Exhibit 10.71 to Amendment No. 2 to Saba's  Registration  Statement
             on Form S-1  dated  December  23,  1998  (File No.  333-45023)  and
             incorporated herein by reference).
10.83....Stock  Exchange  Agreement  dated  November  23, 1998 among HVI and the
     Shareholders of Saba Acquisub, Inc. *
10.84....Extension  and Amendment to Preferred  Stock Transfer  Agreement  dated
     December 4, 1998 among RGC International Investors, LDC, HVI and Saba*
10.85....First Amendment to Common Stock  Purchase  Agreement  dated  October 8,
             1998 between Saba and HVI dated  December 4, 1998 (filed as Exhibit
             10.1 to Saba's  Current  Report on Form 8-K dated December 18, 1998
             (File No. 001-13880) and incorporated herein by reference).
21.1.....Subsidiaries of HVI.*
21.2.....Subsidiaries  of Saba  (filed as  Exhibit  21.1 to Saba's  Registration
     Statement  on Form S-1 dated  January 21, 1998 and  incorporated  herein by
     reference).
  23.1       Consent of Bateman & Co., Inc., P.C.,  Independent Certified Public
             Accountants,  related to the financial  statements  for  Horizontal
             Ventures, Inc.*
23.2.....Consent of  PricewaterhouseCoopers,  LLP, Independent  Certified Public
     Accountants,  related  to  the  financial  statements  for  Saba  Petroleum
     Company*
23.3.....Consent of Netherland, Sewell & Associates, Inc.*
23.4.....Consent of Sproule Associates Limited*
23.5.....Consent of Cohen Brame & Smith Professional  Corporation  (contained in
     Exhibit 5.1)**
99.1.....Form of HVI Proxy*
  99.2       Form of Saba Proxy*

     *   Filed herewith.
     **  To be filed by amendment.



<PAGE>


EXHIBIT 2.1

AGREEMENT AND PLAN OF MERGER

         THIS  AGREEMENT  AND PLAN OF MERGER (the  "Agreement")  is entered into
this 18th day of  December,  1998 among  Horizontal  Ventures,  Inc., a Colorado
corporation  ("HVI"),  HVI Acquisition  Corporation,  a Delaware corporation and
wholly owned  subsidiary of HVI ("Merger Sub"),  and Saba Petroleum  Company,  a
Delaware corporation ("Saba").

                                    RECITALS

         WHEREAS,  HVI has  entered  into  certain  transactions  to  acquire an
aggregate of 3,953,298 shares of the common stock, $.001 par value per share, of
Saba ("Saba Common Stock"), which will represent approximately 35% of the issued
and outstanding  shares of Saba Common Stock immediately  after  consummation of
such transactions;

         WHEREAS,  Merger Sub has been  formed for the sole  purpose of enabling
HVI to acquire the remaining issued and outstanding  shares of Saba Common Stock
and Merger Sub has not  conducted any  operations  that were not related to, and
for the purpose of, such acquisition;

         WHEREAS,  in  furtherance  of the  acquisition  by HVI of the remaining
issued and  outstanding  shares of Saba Common Stock,  the respective  Boards of
Directors of HVI,  Merger Sub and Saba have approved the merger of Saba with and
into Merger Sub, as set forth below (the "Merger"),  on the terms and subject to
the conditions set forth in this Agreement,  whereby each issued and outstanding
share of Saba  Common  Stock,  other  than  shares of Saba  Common  Stock  owned
directly  or  indirectly  by HVI,  will be  converted  into the right to receive
shares of common stock,  no par value per share,  of HVI ("HVI Common Stock") as
set forth in Section 2.1; and

         WHEREAS,   HVI,   Merger   Sub  and  Saba   desire   to  make   certain
representations,  warranties,  covenants and  agreements in connection  with the
transactions contemplated hereby and also to set forth various conditions to the
transactions contemplated hereby.

         NOW, THEREFORE,  in consideration of the  representations,  warranties,
covenants and  agreements  set forth  herein,  and intending to be legally bound
hereby, the parties hereto agree as follows:


                  [Remainder of Page Intentionally Left Blank]


<PAGE>


                                    ARTICLE I

                  THE MERGER



<PAGE>


Amendment No. 1.doc
Section 1.1 The Merger.  Upon the terms and subject to the  conditions set forth
in this Agreement,  and in accordance with the Delaware General  Corporation Law
(the  "DGCL"),  Saba shall be merged with and into  Merger Sub at the  Effective
Time (as defined in Section 1.3).  Following the Merger,  the separate corporate
existence  of Saba shall cease and Merger Sub shall  continue  as the  surviving
corporation  (the  "Surviving  Corporation")  under  the  name  "Saba  Petroleum
Company"  and shall  succeed to and assume  all the  rights and  obligations  of
Merger Sub in accordance with the DGCL.

Section 1.2 Closing.  The closing of the Merger (the  "Closing") will take place
at 10:00 a.m. Santa Maria,  California time on the second business day after the
satisfaction  or waiver  (subject to applicable law) of the conditions set forth
in Article V of this  Agreement  (the  "Closing  Date"),  at the offices of Saba
Petroleum  Company at 3201 Airpark Drive,  Suite 201,  Santa Maria,  California,
unless another date or place is agreed to in writing by the parties hereto.  The
parties  agree to use all  reasonable  efforts  to close  the  Merger as soon as
practicable, subject to Article V hereof.

Section 1.3 Effective  Time. As soon as practicable  following the Closing,  the
parties  shall  execute and file a  certificate  of merger or other  appropriate
documents (in any such case, the "Certificate of Merger") in accordance with the
relevant  provisions  of the DGCL and shall make all other filings or recordings
required under the DGCL.  The Merger shall become  effective at such time as the
Certificate of Merger is duly filed with the Delaware  Secretary of State, or at
such subsequent time as the parties shall agree,  which subsequent time shall be
specified in the  Certificate of Merger (the time the Merger  becomes  effective
being hereinafter referred to as the "Effective Time").

Section 1.4 Effects of the Merger.  At and after the Effective  Time, the Merger
shall have the effects set forth in the DGCL. Without limiting the generality of
the  foregoing,  and subject  thereto,  at the Effective  Time all the property,
rights, privileges, powers and franchises of Saba and Merger Sub shall be vested
in the Surviving Corporation,  and all debts, liabilities and duties of Saba and
Merger  Sub shall  become  the debts,  liabilities  and duties of the  Surviving
Corporation.

Section 1.5 Certificate of Incorporation. At the Effective Time, the certificate
of  incorporation  of the Surviving  Corporation  shall be amended in accordance
with the DGCL  such  that the  certificate  of  incorporation  of the  Surviving
Corporation  shall consist of the provisions of the certificate of incorporation
of Merger Sub, except that Article I of the certificate of  incorporation of the
Surviving  Corporation shall be amended to read in its entirety as follows: "The
name of the corporation shall be Saba Petroleum Company."

Section 1.6 Bylaws.  The bylaws of Merger Sub as in effect at the Effective Time
shall be the bylaws of the Surviving  Corporation  until  thereafter  changed or
amended as provided therein or by applicable law.

Section 1.7  Directors.  The  directors of Merger Sub  immediately  prior to the
Effective  Time shall be the directors of the Surviving  Corporation,  until the
earlier of their resignation or removal or until their respective successors are
duly elected and qualified, as the case may be.

Section  1.8  Officers.  The  officers  of Merger Sub  immediately  prior to the
Effective  Time shall be the officers of the  Surviving  Corporation,  until the
earlier of their resignation or removal or until their respective successors are
duly elected and qualified, as the case may be.


                                   ARTICLE II
EFFECT  OF THE  MERGER ON THE  CAPITAL  STOCK OF THE  CONSTITUENT  CORPORATIONS;
EXCHANGE OF CERTIFICATES
  Section 2.1 Effect on Capital Stock. At the Effective Time, by virtue of the
Merger and without any action on the part of the holder thereof:

     (a) Conversion of Saba Common Stock. Each share of Saba Common Stock issued
and  outstanding  immediately  prior to the Effective Time (other than shares of
Saba Common Stock owned by HVI, Merger Sub, Saba, or any subsidiary of Saba, all
of which shall be canceled as  provided in Section  2.1(b))  shall be  converted
into the right to receive that number of shares of HVI Common Stock equal to the
Exchange Ratio (as defined below) (the "Merger Consideration"). "Exchange Ratio"
means the quotient represented by the ratio of one share of HVI Common Stock for
each six shares of Saba Common Stock.  At the Effective Time, all such shares of
Saba Common  Stock  shall cease to be  outstanding  and shall  automatically  be
canceled and retired and shall cease to exist,  and each holder of a certificate
which  immediately  prior to the Effective Time  represented  any such shares of
Saba Common Stock  ("Certificate")  (other than HVI,  Merger Sub and Saba) shall
thereafter  cease to have any rights with  respect to such shares of Saba Common
Stock,  except the right to  receive  the  applicable  Merger  Consideration  in
accordance with Section 2.2 upon the surrender of such Certificate.

     (b) Cancellation of Treasury Stock and HVI Owned Stock.  Each share of Saba
Common Stock issued and outstanding immediately prior to the Effective Time that
is owned by Saba or by any  subsidiary  of Saba  and each  share of Saba  Common
Stock  that is owned by HVI,  Merger  Sub or any other  subsidiary  of HVI shall
cease to be  outstanding  and shall  automatically  be canceled  and retired and
shall cease to exist,  and no HVI Common Stock or other  consideration  shall be
delivered in exchange therefor.

     (c) Capital  Stock of Merger  Sub.  Each share of common  stock,  par value
$.001 per share, of Merger Sub issued and outstanding  immediately  prior to the
Effective Time shall be  automatically  converted into and become one fully paid
and  nonassessable  share of common  stock,  par value  $.001 per share,  of the
Surviving Corporation.

     (d) Treatment of Options and Warrants to Acquire Saba Common  Stock.  At or
prior to the  Effective  Time all  outstanding  warrants  to  Aberfoyle  Capital
Limited and RGC International Investors LDC and those other options and warrants
exercisable  at $2.00 or below to acquire Saba Common  Stock will be  addressed.
Saba shall give written notice to each holder of an option or warrant as soon as
practicable  (and in any event within ten business  days after the  execution of
this  Agreement)  advising  such  option or warrant  holder how its  warrants or
options will be handled,  and  permitting the exercise of such option or warrant
(to the extent  exercisable  pursuant  to the terms of such  option or  warrant)
during the remaining period of time preceding the Effective Time.

     (e)  Treatment  of  Convertible  Debt  Securities.  HVI shall enter into an
agreement with each holder of a 9%  Convertible  Senior  Subordinated  Debenture
issued by Saba under the Amended and Restated Debenture  Agreement,  dated as of
February 7, 1996 between Saba and the  debenture  holders (all such  securities,
collectively,  the  "Convertible  Debentures")  to  provide  that the  Surviving
Corporation  shall be entitled to redeem the Convertible  Debentures  before any
conversion of the then  outstanding  Convertible  Debentures  in their  original
principal amount and accrued interest without premium or penalty.

     (f) Provisions for the Series A Convertible  Preferred Stock.  Prior to the
Effective  Time, HVI shall have notified each Holder of the Series A Convertible
shares of Saba ("Saba  Preferred  Shares") of the provisions it has made for the
conversion of said Saba Preferred  Shares into Common of HVI in accordance  with
the Saba Preferred Shares designation.

     (g) Notice to Bank One. Upon execution of this Agreement, the parties shall
give notice of the  proposed  merger to Bank One by  providing it with a copy of
this Agreement.

Section 2.2     Exchange of Certificates.

    (a)  Exchange  Fund.  Prior to the  Effective  Time,  HVI  shall  appoint  a
commercial bank or trust company,  or a subsidiary  thereof,  to act as exchange
agent  hereunder  for the  purpose  of  exchanging  Certificates  for the Merger
Consideration  (the "Exchange  Agent").  At or prior to the Effective  Time, HVI
shall  deposit with the Exchange  Agent,  in trust for the benefit of holders of
shares of Saba Common  Stock,  certificates  representing  the HVI Common  Stock
issuable  pursuant  to Section 2.1 in exchange  for  outstanding  shares of Saba
Common Stock.  HVI agrees to make  available to the Exchange  Agent from time to
time as  needed,  cash  sufficient  to pay  cash in  lieu of  fractional  shares
pursuant  to Section  2.2(d).  Any cash and  certificates  of HVI  Common  Stock
deposited  with the  Exchange  Agent  shall  hereinafter  be  referred to as the
"Exchange Fund."

         (b) Exchange  Procedures.  As soon as reasonably  practicable after the
Effective Time, the Surviving Corporation shall cause the Exchange Agent to mail
to each holder of record of a Certificate  whose shares were  converted into the
right to receive the Merger Consideration  pursuant to Section 2.1, (i) a letter
of transmittal (which shall specify that delivery shall be effected, and risk of
loss and  title to the  Certificates  shall  pass,  only  upon  delivery  of the
Certificates  to the Exchange  Agent and which letter shall be in customary form
and  have  such  other  provisions  as HVI  may  reasonably  specify)  and  (ii)
instructions  for effecting the surrender of such  Certificates  in exchange for
the  applicable  Merger  Consideration.  Upon  surrender  of a  Certificate  for
cancellation  to the Exchange  Agent,  together with such letter of transmittal,
duly executed and completed in accordance  with the  instructions  thereto,  and
such other  documents as may reasonably be required by the Exchange  Agent,  the
holder of such  Certificate  shall be entitled  to promptly  receive in exchange
therefor  (A)  one or more  shares  of HVI  Common  Stock  representing,  in the
aggregate,  the whole number of shares that such holder has the right to receive
pursuant  to Section 2.1 (after  taking  into  account all shares of Saba Common
Stock then held by such  holder) and (B) a check in the amount equal to the cash
that such  holder has the right to receive  pursuant to the  provisions  of this
Article II, including cash in lieu of any fractional  shares of HVI Common Stock
pursuant to Section 2.2(d).  No interest will be paid or will accrue on any cash
payable  pursuant  to Section  2.2(d).  The  Certificate  so  surrendered  shall
forthwith  be  canceled.  In the event of a transfer of ownership of Saba Common
Stock  which is not  registered  in the  transfer  records of Saba,  one or more
shares of HVI Common Stock  evidencing,  in the aggregate,  the proper number of
shares of HVI Common  Stock and a check in the proper  amount of cash in lieu of
any  fractional  shares of HVI Common  Stock  pursuant to Section  2.2(d) may be
issued  promptly  with respect to such Saba Common Stock to such a transferee if
the  Certificate  representing  such shares of Saba Common Stock is presented to
the Exchange Agent, accompanied by all documents required to evidence and effect
such transfer and to evidence that any applicable stock transfer taxes have been
paid.

     (c) No Further  Ownership  Rights in Saba Capital Stock.  All shares of HVI
Common  Stock  issued  and cash  paid  upon the  surrender  of  Certificates  in
accordance with the terms of this Article II shall be deemed to have been issued
and paid in full  satisfaction  of all rights  pertaining  to the shares of Saba
Common Stock theretofore represented by such Certificates.

     (d)  No  Fractional  Shares  of  HVI  Common   Stock/Provision   for  Small
Shareholders.

         (1) No certificates or scrip or shares of HVI Common Stock representing
fractional  shares of HVI Common  Stock shall be issued upon the  surrender  for
exchange of Certificates  and such  fractional  share interests will not entitle
the owner  thereof  to vote or to have any rights of a  shareholder  of HVI or a
holder of shares of HVI Common Stock.

         (2) Notwithstanding any other provision of this Agreement,  each holder
of shares of Saba  Common  Stock  exchanged  pursuant  to the  Merger  who would
otherwise  have been  entitled  to receive a  fraction  of a share of HVI Common
Stock  (after  taking into  account all  Certificates  delivered by such holder)
shall receive,  in lieu thereof,  cash (without  interest) in an amount equal to
the  product  of (i)  such  fractional  part  of a  share  of HVI  Common  Stock
multiplied by (ii) the closing bid price per share of HVI Common Stock  reported
on Nasdaq SmallCap Market in The Wall Street Journal, Eastern edition, as of the
Closing Date. As promptly as practicable  after the  determination of the amount
of cash,  if any, to be paid to holders of  fractional  interests,  the Exchange
Agent shall so notify  HVI,  and HVI shall cause the  Surviving  Corporation  to
promptly  deposit  such  amount  with the  Exchange  Agent and  shall  cause the
Exchange  Agent to forward  payments  to such  holders of  fractional  interests
subject to and in accordance with the terms hereof.
         (3) HVI  shall  offer to pay cash in lieu of  Common  Stock to all Saba
shareholders  who will be issued  two(2) shares or less of HVI Common Stock as a
result of the merger. The cash offer shall be at the closing bid price per share
of HVI on Nasdaq on the Closing Date as determined  pursuant to  subsection  (2)
above.

     (e) Termination of Exchange Fund; No Liability.  Following the date that is
six months after the  Effective  Time,  the  Exchange  Agent shall return to the
Surviving Corporation all remaining undistributed Merger Consideration and other
cash,  property and instruments in its possession  relating to the  transactions
described in this Agreement,  and the Exchange  Agent's duties shall  terminate.
Thereafter, each holder of a Certificate may surrender such Certificate directly
to the Surviving  Corporation pursuant to the provisions of this Section 2.2 and
(subject to applicable abandoned property,  escheat and similar laws) receive in
exchange  therefor  the  Merger   Consideration   (without  interest   thereon).
Notwithstanding  the foregoing,  the Surviving  Corporation shall be entitled to
receive from time to time all interest or other  amounts  earned with respect to
any cash  deposited  with the Exchange  Agent as such  amounts  accrue or become
available.  If any Certificates  shall not have been  surrendered  prior to such
date on which any payment pursuant to this Article II would otherwise escheat to
or become the property of any governmental  entity,  the cash payment in respect
of such Certificate shall, to the extent permitted by applicable law, become the
property of the Surviving Corporation, free and clear of all claims or interests
of any person previously  entitled  thereto.  None of HVI, Merger Sub, Saba, the
Surviving  Corporation  or the  Exchange  Agent shall be liable to any person in
respect of any cash  delivered to a public  official  pursuant to any applicable
abandoned property, escheat or similar law.

     (f)  Investment of the Exchange  Fund.  The Exchange Agent shall invest any
cash included in the Exchange Fund as directed by the Surviving Corporation on a
daily basis. Any interest or other income resulting from such investments  shall
promptly be paid to the Surviving Corporation.

     (g) Withholding Rights. Each of the Surviving  Corporation and HVI shall be
entitled  to  deduct  and  withhold  from the  consideration  otherwise  payable
pursuant to this  Agreement  to any holder of shares of Saba  Common  Stock such
amounts as it is required to deduct and  withhold  with respect to the making of
such payment  under the Internal  Revenue Code of 1986, as amended (the "Code"),
and the rules and regulations promulgated thereunder, or any provision of state,
local or foreign  tax law.  To the extent  that  amounts  are so withheld by the
Surviving Corporation or HVI, as the case may be, such withheld amounts shall be
treated for all purposes of this  Agreement as having been paid to the holder of
the  shares  of Saba  Common  Stock in  respect  of  which  such  deduction  and
withholding was made by the Surviving Corporation or HVI, as the case may be.

     (h) Lost,  Stolen or Destroyed  Certificates.  In the event any Certificate
shall have been lost,  stolen or  destroyed,  upon the making of an affidavit of
that  fact by the  person  claiming  such  Certificate  to be  lost,  stolen  or
destroyed and, if required by the Surviving  Corporation,  the posting of a bond
by such person in such reasonable amount as the Surviving Corporation may direct
as indemnity  against any claim that may be made against it with respect to such
Certificate,  the Exchange Agent will deliver in exchange for such lost,  stolen
or destroyed Certificate the applicable Merger Consideration with respect to the
shares of Saba Common Stock formerly represented thereby and any cash in lieu of
fractional shares of HVI Common Stock pursuant to this Agreement.

     (i)  Further  Assurances.  If at any time  after the  Effective  Time,  any
further  assignments  or  assurances in law or any other things are necessary or
desirable  to  vest  or to  perfect  or  confirm  of  record  in  the  Surviving
Corporation the title to any property or rights of either Saba or Merger Sub, or
otherwise  to carry  out the  provision  of this  Agreement,  the  officers  and
directors of the Surviving  Corporation are hereby authorized and empowered,  in
the name of and on behalf of Saba and Merger Sub, to execute and deliver any and
all things  necessary  or proper to vest or  perfect  or  confirm  title to such
property or rights in the Surviving Corporation,  and otherwise to carry out the
purposes and provisions of this Agreement.

     (j) Stock Transfer Books. At the close of business,  New York City time, on
the day the Effective  Time occurs,  the stock  transfer  books of Saba shall be
closed and there shall be no further registration of transfers of shares of Saba
Common Stock  thereafter  on the records of Saba.  From and after the  Effective
Time, the holders of Certificates shall cease to have any rights with respect to
such  shares  of Saba  Common  Stock  formerly  represented  thereby,  except as
otherwise  provided  herein  or by law.  On or after  the  Effective  Time,  any
Certificates  presented  to the  Exchange  Agent or HVI for any reason  shall be
converted  into the  Merger  Consideration  with  respect  to the shares of Saba
Common Stock  formerly  represented  thereby and any cash in lieu of  fractional
shares of HVI Common Stock to which the holders thereof are entitled pursuant to
Section 2.2(d).


                                   ARTICLE III

                         REPRESENTATIONS AND WARRANTIES

Section 3.1  Representations  and Warranties of Saba. Saba hereby represents and
warrants  to HVI that,  except as set forth on  Schedule  3.1  attached  hereto,
Schedules 3.1 and 3.1(2)(a) to the Common Stock Purchase Agreement dated October
8, 1998 and the disclosures contained in Saba's S-1 Registration Statement filed
on December 23, 1998 or as described in filings heretofore made by Saba pursuant
to the informational  reporting  requirements of the Securities  Exchange Act of
1934 (the "Exchange Act"):

     (1) Organization and Standing of Saba. Saba is a corporation duly organized
and  validly  existing  and in good  standing  under  the  laws of the  State of
Delaware.  It has all  requisite  corporate  power and authority to carry on its
business as now being  conducted,  to enter into this Agreement and to carry out
and perform the terms and provisions of this  Agreement.  Saba is duly qualified
to do business and is in good standing in each jurisdiction in which the failure
to be so  qualified  would  have a  material  adverse  effect  on the  condition
(financial or otherwise),  business,  net worth,  assets  (including  intangible
assets),  properties or operations ("Material Adverse Effect") of Saba. Saba has
no direct or indirect  interest,  either by way of stock ownership or otherwise,
in  any  other  firm,   corporation,   association,   or  business   except  for
partnerships,  operating agreements,  farmout agreements,  unitization,  pooling
agreements and other customary oil and gas industry arrangements.

     (2) Capitalization  and Indebtedness for Borrowed Moneys.  Saba is duly and
lawfully  authorized by its Certificate of Incorporation,  as amended,  to issue
150  million  shares of Saba  Common  Stock and 50 million  shares of  preferred
stock,  $.001 par value per share ("Saba Preferred  Stock"),  of which as of the
date hereof there are issued and  outstanding  11,385,726  shares of Saba Common
Stock and  8,000  shares of Series A  Convertible  Preferred  Stock  ("Preferred
Stock").  Saba has no treasury stock and no other authorized  series or class of
stock. All the outstanding  shares of Saba Common Stock and Saba Preferred Stock
have  been  duly   authorized   and  validly  issued  and  are  fully  paid  and
nonassessable and free of preemptive rights.  Saba is not obligated to issue any
additional  common  or  preferred  stock as a result of any  options,  warrants,
rights, conversion rights,  obligations upon default,  subscription agreement or
other  obligation of any kind.  Saba is not  presently  liable on account of any
indebtedness  for borrowed  moneys,  except as  reflected in the Saba  Financial
Statements (as hereinafter defined).

     (3) Saba's  Authority.  The execution,  delivery,  and  performance of this
Agreement have been duly authorized by all requisite  corporate action,  subject
to the approval of this Agreement by the  shareholders  of Saba.  This Agreement
has been  executed  and  delivered by Saba and  constitutes  a valid and binding
obligation of Saba  enforceable in accordance  with its terms (except as limited
by bankruptcy, insolvency, or other laws affecting the enforcement of creditors'
rights).  The  execution,  delivery and  performance  of this Agreement will not
conflict with any provision of Saba's Certificate of Incorporation or Bylaws, as
amended, or with any contract to which Saba is a party or otherwise bound.

     (4) Saba  Financial  Statements.  Saba  has  furnished  to HVI its  audited
balance  sheets as of December  31, 1997 and 1996,  its  audited  statements  of
income and  retained  earnings  and cash flows for each of the three years ended
December 31, 1997, its unaudited balance sheet as of September 30, 1998, and its
unaudited  statements  of  income  and  cash  flows  for the nine  months  ended
September 30, 1998 (collectively,  the "Saba Financial Statements").  All of the
Saba Financial  Statements  present fairly the financial  position of Saba as of
the respective  balance sheet dates,  and the results of its operations and cash
flows  for  the  respective  periods  therein  specified.   The  Saba  Financial
Statements  were  prepared in  accordance  with  generally  accepted  accounting
principles applied upon a basis consistent with prior accounting periods.

     (5) Present Status. Subject to the provisions of Section 3.3, Saba has not,
since  September  30,  1998 and will not prior to the Closing  Date  without the
prior written consent of HVI, which consent shall not be  unreasonably  withheld
or delayed, and shall be based on the best interests of Saba's stockholders as a
whole.

         (a)  Incurred  any  obligations  or  liabilities,   absolute,  accrued,
     contingent,  or  otherwise  and  whether  due  or  to  become  due,  except
     liabilities incurred in the ordinary course of business;

     (b) Entered into any agreement obligating it to issue any equity securities
     except as required by the Common Stock Purchase  Agreement dated October 8,
     1998 (the "Common Stock Purchase  Agreement") as extended  between Saba and
     HVI;

         (c)  Discharged  or satisfied  any liens or  encumbrances,  or paid any
     obligation or liability,  absolute,  accrued,  contingent, or otherwise and
     whether due or to become due, other than current  liabilities  reflected on
     the Saba Financial  Statements and current  liabilities  incurred since the
     close of business  on the date of the Saba  Financial  Statements,  in each
     case, in the ordinary course of business;

         (d) Declared or made any payment or distribution to its stockholders or
     purchased or redeemed,  or obligated  itself to purchase or redeem,  any of
     its shares of Common Stock or other  securities  except with respect to its
     Series A Preferred  Stock and except as may be required by its  Convertible
     Debentures;

         (e) Voluntarily mortgaged,  pledged, or subjected to lien, or any other
     encumbrances or charges, any of its assets, tangible or intangible;

         (f) Sold or  transferred  any of its material  assets,  or canceled any
material debt or claim;

         (g) Suffered any material damage,  destruction, or loss (whether or not
     covered by  insurance)  affecting  the  properties  of Saba,  or waived any
     rights of substantial value; or

         (h) Except with respect to this Agreement and the Common Stock Purchase
     Agreement,  entered  into any  transaction  regarding  the  sale,  lease or
     encumbrance  of any asset or the settlement of any  obligation,  or entered
     into any other material  transaction  other than in the ordinary  course of
     business.

     (6) Litigation. Except as disclosed in the Saba Financial Statements, there
are no legal  actions,  suits,  arbitrations,  or other legal or  administrative
proceedings  pending or  threatened  against  Saba  which  would  reasonably  be
expected to have a material adverse effect upon it, its properties,  assets,  or
business;  and Saba is not  aware of any  facts  which  to its  knowledge  would
reasonably  be  expected to result in any action,  suit,  arbitration,  or other
proceeding  which in turn would reasonably be expected to result in any material
adverse change in the business or condition  (financial or otherwise) of Saba or
its  properties  or assets.  Saba is not in default of any judgment,  order,  or
decree of any court  or, in any  material  respect  of,  any  requirements  of a
government agency or instrumentality,  except as set forth in the Saba Financial
Statements.

     (7) Compliance  With the Law and Other  Instruments.  To the best of Saba's
knowledge,  the business operations of Saba have been and are being conducted in
substantial  compliance with all applicable laws,  rules, and regulations of all
authorities.  Saba is not in  violation  of, or in  default  under,  any term or
provision of its Certificate of  Incorporation,  as amended,  or its Bylaws,  as
amended,  or in any material respect of any lien,  mortgage,  lease,  agreement,
instrument,  order, judgment, or decree, or subject to any restriction contained
in any of the  foregoing of any kind or  character  which  materially  adversely
affects the business,  properties,  assets, or prospects of Saba, or which would
prohibit Saba from entering into this Agreement.

     (8) Title to Properties and Assets.  Saba has good and marketable  title to
all of its material  properties and assets,  including without  limitation those
reflected in the Saba Financial Statements and those used or located on property
controlled by Saba in its business (except assets leased or sold in the ordinary
course of business),  subject to no mortgage,  pledge,  lien,  charge,  security
interest,  encumbrance,  or restriction  except those which (a) are disclosed in
the Saba Financial Statements as securing specified  liabilities;  or (b) do not
materially adversely affect the use thereof.

(9)  Contracts and Other Obligations.  Saba is not a party to or otherwise bound
     by any material written or oral: -------------------------------

         (a)  Contract or agreement not made in the ordinary course of business;

         (b)  Employment or consultant  contract which is not terminable at will
     without cost or other liability to Saba or any successor;

         (c)  Contract with any labor union;

         (d) Bonus, pension,  profit-sharing,  retirement, share purchase, stock
     option,  hospitalization,   group  insurance,  or  similar  plan  providing
     employee benefits;

         (e) Advertising contract or contract for public relations services;

         (f) Purchase,  supply, or service contracts in excess of $100,000 each,
     or in the  aggregate of $500,000 for all such  contracts  whether  below or
     above $100,000;

         (g) Deed of  trust,  mortgage,  conditional  sales  contract,  security
     agreement,  pledge  agreement,  trust  receipt,  or any other  agreement or
     arrangement  whereby any of the assets or  properties of Saba are subjected
     to a lien, encumbrance, charge, or other restriction;

         (h) Material  contract or other  material  commitment  continuing for a
     period of more than thirty days and which is not terminable without cost or
     other liability to Saba or its successor; or

         (i)  Any  material   contract,   agreement,   lease  or  other  binding
     arrangement with which Saba is not in substantial compliance therewith.

              (j) Nothing  herein  shall  prohibit or restrict  Saba from making
     expenditures required under operating agreements, joint venture agreements,
     unit, pooling, farmout agreements or expenditures necessitated by emergency
     conditions to protect or preserve life or property or expenditures required
     by law or administrative authority or to perform its existing commitments.

     (10)Records.  To the best of Saba's knowledge, the books of account, minute
books,  stock certificate books, and stock transfer ledgers of Saba are complete
and correct, and there have been no transactions  involving the business of Saba
which properly should have been set forth in said respective  books,  other than
those set forth therein.

     (11)Vote Required. The affirmative vote of the holders of a majority of the
outstanding shares of Saba Common Stock to approve this Agreement (the "Required
Saba  Vote")  is the only  vote of the  holders  of any  class or series of Saba
capital stock  necessary to adopt this  Agreement  and approve the  transactions
contemplated hereby.

     (12)Brokers or Finders.  All  negotiations  on the part of Saba relative to
this Agreement and the transactions  contemplated hereby have been carried on by
Saba without the  intervention of any person or as the result of any act of Saba
in such manner as to give rise to any valid  claim for a  brokerage  commission,
finder's fee, or other like payment.

     (13)Absence of Certain Changes or Events.  Since September 30, 1998,  there
has not been any material  adverse  change in, or event or condition  materially
and adversely  affecting the,  condition  (financial or otherwise),  properties,
assets,  liabilities  or, to the knowledge of Saba, the business or prospects of
Saba, except for conditions  generally affecting the segments of the oil and gas
industry in the locales in which Saba conducts its business.

     (14)Taxes. Saba has duly filed all federal, state, county and local income,
franchise,  excise, real and personal property and other tax returns and reports
(including, but not limited to, those relating to social security,  withholding,
unemployment  insurance,  and occupation (sales) and use taxes) required to have
been filed by Saba up to the date hereof.  All of the foregoing returns are true
and  correct in all  material  respects  and Saba has paid or  provided  for all
taxes,  interest  and  penalties  shown on such returns or reports as being due.
Saba has no liability for any material amount of taxes, interest or penalties of
any nature  whatsoever,  except for those  taxes which may have arisen up to the
Closing Date in the ordinary course of business and are properly  accrued on the
books of Saba as of the Closing Date.

     (15)Environmental  Matters.  Saba is aware of no  actions,  proceedings  or
investigations  pending or, to the actual knowledge of Saba,  threatened  before
any federal or state  environmental  regulatory  body,  or before any federal or
state  court,  alleging  noncompliance  by Saba with CERCLA or any other laws or
regulations   regulating  the  discharge  of  materials  into  the   environment
("Environmental  Laws").  To the  actual  knowledge  of  Saba:  (i)  there is no
reasonable basis for the institution of any action,  proceeding or investigation
against Saba under any Environmental Law; (ii) Saba is not responsible under any
Environmental  Law for any  release by any person at or in the  vicinity of real
property  of any  hazardous  substance  (as  defined by  CERCLA),  caused by the
spilling, leaking, pumping, pouring, emitting, emptying, discharging, injecting,
escaping,  leaching,  dumping or disposing of any such hazardous  substance into
the  environment;  (iii) Saba is not  responsible  for any costs of any remedial
action  required by virtue of any release of any toxic or  hazardous  substance,
pollutant or contaminant  into the environment  including,  without  limitation,
costs arising from  security  fencing,  alternative  water  supplies,  temporary
evacuation  and  housing  and  other  emergency  assistance  undertaken  by  any
environmental  regulatory body; (iv) Saba is in substantial  compliance with all
applicable  Environmental Laws; and (v) no real property used, owned, managed or
controlled by Saba contains any toxic or hazardous substance including,  without
limitation,  any asbestos, PCBs or petroleum products or byproducts in any form,
the presence, location or condition of which (a) violates any Environmental Law,
or (b)  otherwise  would  pose any  significant  health  or safety  risk  unless
remedial measures were taken.

     (16)Full Disclosure. To Saba's knowledge and belief, this Agreement, Saba's
periodic  public reports filed with the SEC pursuant to the  requirements of the
Exchange Act, and any schedules and certificates delivered by Saba in connection
herewith or with the transactions contemplated hereby, taken as a whole, neither
contain any untrue  statement of a material  fact nor omit to state any material
fact required to be stated  therein or necessary in order to make the statements
therein,  in  light  of the  circumstances  under  which  they  were  made,  not
misleading.   To  Saba's  knowledge  and  belief,   there  are  no  facts  which
(individually  or in the aggregate)  materially  adversely  affect the business,
assets,  liabilities,  financial  condition or  operations of Saba that have not
been set forth in this  Agreement,  the Schedules  hereto,  the periodic  public
reports of Saba or in other documents  delivered by Saba in connection  herewith
or disclosed orally by an executive officer of Saba.

     (17)State  Takeover  Statutes.  Prior  to  the  time  that  HVI  became  an
"interested  stockholder" of Saba within the meaning of Section 203 of the DGCL,
the Board of Directors of Saba approved the  transactions  which resulted in HVI
becoming an interested stockholder and such approval is sufficient to render the
provisions  of  Section  203 of the  DGCL  inapplicable  to the  Merger  and the
transactions contemplated by this Agreement. To Saba's knowledge, no other state
takeover  statute or similar statute or regulation  applies or purports to apply
to this Agreement or the Merger, or any of the transactions contemplated by this
Agreement. The Company is not subject to any provision of the California General
Corporation Law by operation of Section 2115 thereof.

Section 3.2  Representations  and  Warranties by HVI. HVI hereby  represents and
warrants to Saba that, except as set forth on Schedule 3.2 attached hereto or as
described  in  filings  heretofore  made by HVI  pursuant  to the  informational
reporting requirements of the Exchange Act:

     (1)  Organization  and Standing of HVI. HVI is a corporation duly organized
and  validly  existing  and in good  standing  under  the  laws of the  State of
Colorado.  It has all  requisite  corporate  power and authority to carry on its
business as now being  conducted,  to enter into this Agreement and to carry out
and perform the terms and provisions of this Agreement. HVI is duly qualified to
do business and is in good standing in each jurisdiction in which the failure to
be so qualified would have a material adverse effect on the condition (financial
or  otherwise),  business,  net worth,  assets  (including  intangible  assets),
properties or operations ("Material Adverse Effect") of HVI. Except with respect
to  Calox,  Inc.  and HVI Cat  Canyon,  Inc.,  both of which  are  wholly  owned
subsidiaries  of HVI, HVI has no direct or indirect  interest,  either by way of
stock ownership or otherwise,  in any other firm, corporation,  association,  or
business  excepting  partnerships,  operating  agreements,  farmout  agreements,
unitization,  pooling  agreements  and  other  customary  oil and  gas  industry
arrangements.

     (2) Capitalization.  HVI is duly and lawfully authorized by its Articles of
Incorporation, as amended, to issue 50 million shares of HVI Common Stock and 50
million  shares of  preferred  stock,  no par value  per share  ("HVI  Preferred
Stock"),  of  which as of the date  hereof  there  are  issued  and  outstanding
2,910,981  shares of HVI Common Stock and no shares of HVI Preferred  Stock. HVI
has no treasury stock and no other authorized  series or class of stock. All the
outstanding  shares of HVI Common  Stock have been duly  authorized  and validly
issued  and are fully  paid and  nonassessable  and free of  preemptive  rights.
Except as may be required to convert the Saba Preferred  shares and as listed on
Schedule 3.2(2)(a) attached hereto, HVI is not obligated to issue any additional
common  or  preferred  stock  as a  result  of any  options,  warrants,  rights,
conversion  rights,  obligations upon default,  subscription  agreement or other
obligation  of  any  kind.  HVI  is  not  presently  liable  on  account  of any
indebtedness  for borrowed  moneys,  except as  reflected  in the HVI  Financial
Statements (as hereinafter defined).

         (3) HVI's Authority.  The execution,  delivery, and performance of this
Agreement have been duly authorized by all requisite  corporate action,  subject
to the approval of the HVI Share Issuance (as defined below) by the shareholders
of HVI. This Agreement has been executed and delivered by HVI and  constitutes a
valid and binding  obligation of HVI  enforceable  in accordance  with its terms
(except as limited  by  bankruptcy,  insolvency,  or other  laws  affecting  the
enforcement of creditors'  rights).  The execution,  delivery and performance of
this  Agreement  will not  conflict  with any  provision  of HVI's  Articles  of
Incorporation and any amendments thereto,  Bylaws and any amendments thereto, or
of any contract to which HVI is a party or otherwise bound.

     (4) HVI Financial Statements. HVI has furnished to Saba its audited balance
sheet as of December 31, 1997,  its audited  statements of  operations  and cash
flows for each of the two years ended December 31, 1997,  its unaudited  balance
sheet as of September 30, 1998,  and its unaudited  statements of operations and
cash flows for the nine months ended September 30, 1998 (collectively,  the "HVI
Financial  Statements").  All of the HVI Financial Statements present fairly the
financial  position of HVI as of the  respective  balance  sheet dates,  and the
results of its  operations  and cash flows for the  respective  periods  therein
specified.  The HVI  Financial  Statements  were  prepared  in  accordance  with
generally  accepted  accounting  principles applied upon a basis consistent with
prior accounting periods.

     (5) Vote  Required.  The  affirmative  vote of the holders of shares of HVI
Common  Stock  representing  a majority  of the total  votes cast at a duly held
meeting of the holders of outstanding  shares of HVI Common Stock (the "Required
HVI Vote"),  to approve the  issuance by HVI of shares of HVI Common  Stock (the
"HVI Share Issuance") pursuant to the terms of this Agreement,  is the only vote
of the holders of any class or series of HVI capital stock  necessary to approve
the HVI Share Issuance contemplated by this Agreement.


<PAGE>



         (6) Present  Status.  Subject to the provisions of Section 3.3, HVI has
not, since September 30, 1998 and will not prior to the Closing Date without the
prior written consent of Saba, which consent shall not be unreasonably  withheld
or delayed,  and shall be based on the best interests of HVI's stockholders as a
whole.

         (a)  Incurred  any  obligations  or  liabilities,   absolute,  accrued,
     contingent,  or  otherwise  and  whether  due  or  to  become  due,  except
     liabilities incurred in the ordinary course of business;

     (b) Entered into any agreement obligating it to issue any equity securities
     except as required by the Common Stock Purchase  Agreement dated October 8,
     1998 (the "Common Stock Purchase  Agreement") as extended  between Saba and
     HVI;

         (c)  Discharged  or satisfied  any liens or  encumbrances,  or paid any
     obligation or liability,  absolute,  accrued,  contingent, or otherwise and
     whether due or to become due, other than current  liabilities  reflected on
     the HVI Financial  Statements  and current  liabilities  incurred since the
     close of  business  on the date of the HVI  Financial  Statements,  in each
     case, in the ordinary course of business;

         (d) Declared or made any payment or distribution to its stockholders or
     purchased or redeemed,  or obligated  itself to purchase or redeem,  any of
     its shares of Common Stock or other  securities  except with respect to its
     Series A Preferred  Stock and except as may be required by its  Convertible
     Debentures;

         (e) Voluntarily mortgaged,  pledged, or subjected to lien, or any other
     encumbrances or charges, any of its assets, tangible or intangible;

         (f) Sold or  transferred  any of its material  assets,  or canceled any
material debt or claim;

         (g) Suffered any material damage,  destruction, or loss (whether or not
     covered by insurance) affecting the properties of HVI, or waived any rights
     of substantial value; or

         (h) Except with respect to this Agreement and the Common Stock Purchase
     Agreement,  entered  into any  transaction  regarding  the  sale,  lease or
     encumbrance  of any asset or the settlement of any  obligation,  or entered
     into any other material  transaction  other than in the ordinary  course of
     business.

     (7) Litigation.  Except as disclosed in the HVI Financial Statements, there
are no legal  actions,  suits,  arbitrations,  or other legal or  administrative
proceedings pending or threatened against HVI which would reasonably be expected
to have a material adverse effect upon it, its properties,  assets, or business;
and HVI is not aware of any facts which to its  knowledge  would  reasonably  be
expected to result in any action, suit,  arbitration,  or other proceeding which
in turn would reasonably be expected to result in any material adverse change in
the business or condition  (financial or otherwise) of HVI or its  properties or
assets. HVI is not in default of any judgment, order, or decree of any court or,
in  any  material  respect  of,  any  requirements  of a  government  agency  or
instrumentality, except as set forth in the HVI Financial Statements.

     (8)  Compliance  With the Law and Other  Instruments.  To the best of HVI's
knowledge,  the business  operations of HVI have been and are being conducted in
substantial  compliance with all applicable laws,  rules, and regulations of all
authorities.  HVI is not in  violation  of,  or in  default  under,  any term or
provision of its Certificate of  Incorporation,  as amended,  or its Bylaws,  as
amended,  or in any material respect of any lien,  mortgage,  lease,  agreement,
instrument,  order, judgment, or decree, or subject to any restriction contained
in any of the  foregoing of any kind or  character  which  materially  adversely
affects the business,  properties,  assets,  or prospects of HVI, or which would
prohibit HVI from entering into this Agreement.

     (9) Title to Properties and Assets.  HVI has good and  marketable  title to
all of its material  properties and assets,  including without  limitation those
reflected in the HVI Financial  Statements and those used or located on property
controlled by HVI in its business  (except assets leased or sold in the ordinary
course of business),  subject to no mortgage,  pledge,  lien,  charge,  security
interest,  encumbrance,  or restriction  except those which (a) are disclosed in
the HVI Financial  Statements as securing specified  liabilities;  or (b) do not
materially adversely affect the use thereof.

     (10)Records.  To the best of HVI's knowledge,  the books of account, minute
books,  stock certificate  books, and stock transfer ledgers of HVI are complete
and correct,  and there have been no transactions  involving the business of HVI
which properly should have been set forth in said respective  books,  other than
those set forth therein.

     (11)Taxes.  HVI has duly filed all federal, state, county and local income,
franchise,  excise, real and personal property and other tax returns and reports
(including, but not limited to, those relating to social security,  withholding,
unemployment  insurance,  and occupation (sales) and use taxes) required to have
been filed by HVI up to the date hereof.  All of the foregoing  returns are true
and correct in all material respects and HVI has paid or provided for all taxes,
interest and penalties shown on such returns or reports as being due. HVI has no
liability for any material amount of taxes,  interest or penalties of any nature
whatsoever,  except for those taxes which may have arisen up to the Closing Date
in the ordinary course of business and are properly  accrued on the books of HVI
as of the Closing Date.

     (12)Environmental  Matters.  HVI is aware  of no  actions,  proceedings  or
investigations pending or, to the actual knowledge of HVI, threatened before any
federal or state  environmental  regulatory body, or before any federal or state
court,  alleging  noncompliance  by  HVI  with  CERCLA  or  any  other  laws  or
regulations   regulating  the  discharge  of  materials  into  the   environment
("Environmental  Laws").  To the  actual  knowledge  of  HVI:  (i)  there  is no
reasonable basis for the institution of any action,  proceeding or investigation
against HVI under any  Environmental  Law; (ii) HVI is not responsible under any
Environmental  Law for any  release by any person at or in the  vicinity of real
property  of any  hazardous  substance  (as  defined by  CERCLA),  caused by the
spilling, leaking, pumping, pouring, emitting, emptying, discharging, injecting,
escaping,  leaching,  dumping or disposing of any such hazardous  substance into
the  environment;  (iii) HVI is not  responsible  for any costs of any  remedial
action  required by virtue of any release of any toxic or  hazardous  substance,
pollutant or contaminant  into the environment  including,  without  limitation,
costs arising from  security  fencing,  alternative  water  supplies,  temporary
evacuation  and  housing  and  other  emergency  assistance  undertaken  by  any
environmental  regulatory body; (iv) Saba is in substantial  compliance with all
applicable  Environmental Laws; and (v) no real property used, owned, managed or
controlled by HVI contains any toxic or hazardous substance  including,  without
limitation,  any asbestos, PCBs or petroleum products or byproducts in any form,
the presence, location or condition of which (a) violates any Environmental Law,
or (b)  otherwise  would  pose any  significant  health  or safety  risk  unless
remedial measures were taken.

     (13)Brokers  or Finders.  All  negotiations  on the part of HVI relative to
this Agreement and the transactions  contemplated hereby have been carried on by
HVI without the intervention of any person or as the result of any act of HVI in
such  manner  as to give rise to any valid  claim  for a  brokerage  commission,
finder's fee, or other like payment.

     (14)Absence of Certain Changes or Events.  Since September 30, 1998,  there
has not been any material  adverse  change in, or event or condition  materially
and adversely  affecting the,  condition  (financial or otherwise),  properties,
assets,  liabilities  or, to the  knowledge of HVI, the business or prospects of
HVI, except for conditions generally affecting the oil and gas industry.

     (15)Full Disclosure.  To HVI's knowledge and belief, this Agreement,  HVI's
periodic  public reports filed with the SEC pursuant to the  requirements of the
Exchange Act, and any schedules and certificates  delivered by HVI in connection
herewith or with the transactions contemplated hereby, taken as a whole, neither
contain any untrue  statement of a material  fact nor omit to state any material
fact required to be stated  therein or necessary in order to make the statements
therein,  in  light  of the  circumstances  under  which  they  were  made,  not
misleading.   To  HVI's   knowledge  and  belief,   there  are  no  facts  which
(individually  or in the aggregate)  materially  adversely  affect the business,
assets, liabilities, financial condition or operations of HVI that have not been
set forth in this Agreement,  the Schedules hereto,  the periodic public reports
of HVI or in other documents delivered by HVI in connection herewith.

     (16)No Business  Activities by Merger Sub. Merger Sub has not conducted any
activities  other than in connection  with the  organization  of Merger Sub, the
negotiation  and  execution  of  this  Agreement  and  the  consummation  of the
transactions contemplated hereby. Merger Sub has no subsidiaries.

Section 3.3 Certain  Restrictions  on  Dispositions.  Without the prior  written
consent of HVI,  which  consent shall not be  unreasonably  withheld or delayed,
until the Closing Date Saba shall not enter into a processing agreement covering
its Santa Maria  Refinery as  presently  proposed in  invitations  for  tenders,
copies of which have been  supplied to HVI,  nor sell or  otherwise  voluntarily
dispose  of the  Santa  Maria  Refinery  or any  interest  therein,  nor sell or
otherwise  voluntarily  dispose  of any of the  material  assets of Saba  Energy
Company of Texas, Inc.


                                   ARTICLE IV

                              ADDITIONAL AGREEMENTS

Section 4.1  Preparation of Joint Proxy  Statement/Prospectus;  Meetings of Saba
and HVI Shareholders.

(a) As  promptly  as  practicable  following  the date  hereof,  HVI  shall,  in
cooperation with Saba, prepare and file with the SEC preliminary proxy materials
which shall  constitute the Joint Proxy  Statement/Prospectus  (such Joint Proxy
Statement/Prospectus,  and any  amendments or  supplements  thereto,  the "Joint
Proxy  Statement/Prospectus")  and a  registration  statement  on Form  S-4 with
respect to the issuance of HVI Common Stock in the Merger (the "Form S-4").  The
Joint  Proxy  Statement/Prospectus  will be  included  in the  Form S-4 as HVI's
prospectus.  The Form S-4 and the Joint Proxy  Statement/Prospectus shall comply
as to form in all  material  respects  with  the  applicable  provisions  of the
Securities Act of 1933 (the "Securities Act") and the Exchange Act and the rules
and  regulations  thereunder.  Each of HVI and  Saba  shall  use all  reasonable
efforts  to have the Form  S-4  declared  effective  by the SEC as  promptly  as
practicable after filing with the SEC and to keep the Form S-4 effective as long
as is necessary to consummate the Merger.  HVI shall, as promptly as practicable
after receipt thereof,  provide copies to Saba of any written comments  received
from the SEC with  respect to the Joint  Proxy  Statement/Prospectus  and advise
Saba of any oral comments  with respect to the Joint Proxy  Statement/Prospectus
received from the SEC. HVI agrees that none of the information supplied or to be
supplied by HVI for inclusion or  incorporation  by reference in the Joint Proxy
Statement/Prospectus  and each amendment or supplement  thereto,  at the time of
mailing  thereof  and at the time of the Saba  Shareholders  Meeting (as defined
below) or the HVI  Shareholders  Meeting (as  defined  below),  will  contain 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.  Saba agrees that none
of  the  information  supplied  or to be  supplied  by  Saba  for  inclusion  or
incorporation  by  reference  in the Joint Proxy  Statement/Prospectus  and each
amendment or supplement  thereto, at the time of mailing thereof and at the time
of the Saba Shareholders Meeting or the HVI Shareholders  Meeting,  will contain
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.  For purposes of
the  foregoing,  it is  understood  and agreed that  information  concerning  or
related  to HVI and the HVI  Shareholders  Meeting  will be  deemed to have been
supplied  by HVI and  information  concerning  or  related  to Saba and the Saba
Shareholders  Meeting  shall be deemed to have been  supplied by Saba.  HVI will
provide  Saba  with a  reasonable  opportunity  to  review  and  comment  on any
amendment or supplement to the Joint Proxy  Statement/Prospectus prior to filing
such with the SEC,  and will  provide  Saba with a copy of all such filings made
with the SEC. No amendment or supplement to the information supplied by Saba for
inclusion  in the Joint  Proxy  Statement/Prospectus  shall be made  without the
approval of Saba, which approval shall not be unreasonably withheld or delayed.

    (b) Saba shall,  as promptly as practicable  following the execution of this
Agreement,  duly  call,  give  notice  of,  convene  and hold a  meeting  of its
shareholders (the "Saba Shareholders  Meeting") for the purpose of obtaining the
Required Saba Vote with respect to this Agreement,  shall take all lawful action
to solicit the approval of this  Agreement by the  Required  Saba Vote,  and the
Board of Directors  of Saba shall  recommend  approval of this  Agreement by the
shareholders of Saba. HVI agrees that at the Saba Shareholders Meeting HVI shall
vote all of its shares of Saba Common Stock in favor of this Agreement, and thus
the Merger  Agreement will receive the Required Saba Vote as result of such vote
by HVI.

    (c) HVI shall,  as promptly as  practicable  following the execution of this
Agreement,  duly  call,  give  notice  of,  convene  and hold a  meeting  of its
shareholders (the "HVI  Shareholders  Meeting") for the purpose of obtaining the
Required HVI Vote,  shall take all lawful  action to solicit the approval of the
HVI Share  Issuance by the  Required  HVI Vote and the Board of Directors of HVI
shall  recommend  approval  of the  HVI  Share  Issuance  contemplated  by  this
Agreement by the shareholders of HVI.

    (d) On or  prior to the date of the Saba  Shareholders  Meeting,  Saba  will
deliver to HVI a letter (the "Saba  Affiliate  Letter")  identifying all persons
who are  "affiliates"  of Saba for purposes of Rule 145 under the Securities Act
("Rule  145").  On or prior to the Closing  Date,  Saba will use all  reasonable
efforts to cause each person  identified as an "affiliate" in the Saba Affiliate
Letter to deliver a written  agreement (an "Affiliate  Agreement") in connection
with restrictions on affiliates under Rule 145.

Section 4.2 Access to Information. Upon reasonable notice, each party shall (and
shall cause its subsidiaries to) afford to the officers, employees, accountants,
counsel,  financial  advisors  and  other  representatives  of the  other  party
reasonable  access during normal business hours,  during the period prior to the
Effective Time, to all its properties, books, contracts, commitments and records
and, during such period,  such party shall (and shall cause its subsidiaries to)
furnish  promptly  to the  other  party  (a) a copy  of each  report,  schedule,
registration  statement  and  other  document  filed,  published,  announced  or
received  by it during such period  pursuant to the  requirements  of federal or
state securities  laws, as applicable  (other than documents which such party is
not permitted to disclose under  applicable  law),  and (b) consistent  with its
legal obligations, all other information concerning its business, properties and
personnel as such other party may reasonably request;  provided,  however,  that
either  party  may  restrict  the  foregoing  access  to the  extent  that (i) a
governmental  entity requires such party or any of its  subsidiaries to restrict
access to any properties or information  reasonably related to any such contract
on the  basis of  applicable  laws and  regulations  with  respect  to  national
security matters or (ii) any law, treaty, rule or regulation of any governmental
entity  applicable  to such party  requires  such party or its  subsidiaries  to
restrict access to any properties or information. The parties will hold any such
information which is non-public in confidence.  Any investigation by HVI or Saba
shall not affect the  representations and warranties of Saba or HVI, as the case
may be.

Section 4.3  Best Efforts.

             (a) Subject to the terms and  conditions  of this  Agreement,  each
party will use its best efforts to take,  or cause to be taken,  all actions and
to do, or cause to be done,  all things  necessary,  proper or  advisable  under
applicable  laws  and  regulations  to  consummate  the  Merger  and  the  other
transactions  contemplated  by this Agreement as soon as  practicable  after the
date  hereof.  Nothing in this Section  4.3(a) shall  require any of HVI and its
subsidiaries  to sell or  otherwise  dispose  of,  or  permit  the sale or other
disposition  of,  any  assets  of HVI,  Saba or their  respective  subsidiaries,
whether as a condition to obtaining any approval from a  governmental  entity or
any other person or for any other reason, if HVI reasonably determines that such
sale or other  disposition  would have or is likely to have a  Material  Adverse
Effect on HVI and its subsidiaries  (including the Surviving Corporation and its
Subsidiaries), taken together, after giving effect to the Merger.

    (b) In  furtherance  and not in  limitation  of the covenants of the parties
contained  in  Section  4.4(a),  if any  administrative  or  judicial  action or
proceeding,  including any  proceeding  by a private  party,  is instituted  (or
threatened to be instituted)  challenging any  transaction  contemplated by this
Agreement,  each of HVI and Saba shall cooperate in all respects with each other
and use its  respective  best  efforts to contest  and resist any such action or
proceeding  and to have  vacated,  lifted,  reversed or  overturned  any decree,
judgment,   injunction  or  other  order,  whether  temporary,   preliminary  or
permanent,  that  is  in  effect  and  that  prohibits,  prevents  or  restricts
consummation of the transactions contemplated by this Agreement.


                                    ARTICLE V

                              CONDITIONS TO CLOSING

Section 5.1 Conditions to Each Party's  Obligation to Effect the Merger.  Except
as may be  waived in  writing  by the  Parties,  all of the  obligations  of the
Parties under this Agreement are subject to the fulfillment,  prior to or at the
Closing on the Closing Date, of each of the following conditions:

         (a)  Shareholder  Approval.  Saba shall have obtained the Required Saba
Vote in connection  with the adoption of this Agreement by the  shareholders  of
Saba and HVI shall have  obtained the Required HVI Vote in  connection  with the
approval of the HVI Share Issuance by the shareholders of HVI.

         (b) No Injunctions,  Restraints or Illegality.  No laws shall have been
adopted or  promulgated,  and no temporary  restraining  order,  preliminary  or
permanent  injunction  or other  order  issued by a court or other  governmental
entity of competent jurisdiction shall be in effect, having the effect of making
the Merger illegal or otherwise prohibiting consummation of the Merger, provided
however,  that the  provisions of this Section  5.1(b) shall not be available to
any party whose failure to fulfill its obligations pursuant to Section 4.3 shall
have been the cause of, or shall have resulted in, such order or injunction.

         (c)  Effectiveness  of the  Form  S-4.  The Form S-4  shall  have  been
declared effective by the SEC under the Securities Act. No stop order suspending
the  effectiveness  of the Form S-4  shall  have  been  issued by the SEC and no
proceedings for that purpose shall have been initiated or threatened by the SEC.

         (d) Nasdaq Listing.  The shares of HVI Common Stock to be issued in the
Merger and such other shares to be reserved for issuance in connection  with the
Merger shall have been approved  upon official  notice of issuance for quotation
on the Nasdaq SmallCap Market.

Section 5.2  Additional  Conditions  to  Obligations  of HVI and Merger Sub. The
obligations  of HVI and  Merger  Sub to effect  the  Merger  are  subject to the
satisfaction  of,  or  waiver  by HVI,  on or prior to the  Closing  Date of the
following conditions:

         (a) Representations and Warranties.  The representations and warranties
of Saba set forth in  Section  3.1  shall be true and  correct  in all  material
respects as of the Closing  Date,  subject to any changes  contemplated  by this
Agreement.

         (b)  Performance of  Obligations of Saba.  Saba shall have performed or
complied in all material respects with all agreements and covenants  required to
be performed by it under this Agreement at or prior to the Closing Date.

         (c) No Conversion or Redemption  of the Saba  Preferred  Shares.  At or
prior to the Effective Time, none of the Saba Preferred  Shares presently issued
and outstanding shall have converted to Saba Common Stock unless said conversion
was completed with the written consent of HVI or otherwise  waived in writing by
HVI. Additionally,  Saba shall not have received a notice of redemption relative
to the Saba  Preferred  Shares unless Saba shall have  redeemed  said  Preferred
Shares or provided for their redemption out of its available cash.

         (d) No Adverse  Change.  In accordance  with Section 3.1(13) Saba shall
not have suffered any material adverse change,  materially  adversely  affecting
the  condition  (financial  or  otherwise)  including  the  inability  to meet a
redemption  notice,  call notice or any other form of obligation  outstanding at
the time of  entering  into this  Agreement  that  cannot be  satisfied  through
legally available funds of Saba.

         (e) Opinion of Saba's  Counsel.  Saba shall have  delivered  to HVI the
opinion,  dated as of the Closing  Date,  of Susan M. Whalen,  Esq.,  counsel to
Saba, in the form attached hereto as Schedule 5.2(c).

         (f)  Certificate  of  Officers.  Saba  shall  have  delivered  to HVI a
certificate dated as of the Closing Date, executed in its corporate name by, and
verified by, the oath of the Chairman of its management  committee certifying to
the fulfillment of the conditions specified in this Section 5.2.

Section 5.3 Additional  Conditions to  Obligations  of Saba. The  obligations of
Saba to effect the Merger are subject to the satisfaction of, or waiver by Saba,
on or prior to the Closing Date of the following conditions:

         (a) Representations and Warranties.  The representations and warranties
of HVI and Merger Sub set forth in Section  3.2 shall be true and correct in all
material respects as of the Closing Date, subject to any changes contemplated by
this Agreement.

         (b)  Performance  of  Obligations of HVI and Merger Sub. HVI and Merger
Sub  shall  have  performed  or  complied  in all  material  respects  with  all
agreements  and covenants  required to be performed by them under this Agreement
at or prior to the Closing Date.

         (c)  Certificate  of  Officer.  HVI  shall  have  delivered  to  Saba a
certificate dated as of the Closing Date, executed in its corporate name by, and
verified by, the oath of its chairman and chief executive officer  certifying to
the fulfillment of the conditions specified in this Section 5.3.


                                   ARTICLE VI

              NATURE AND SURVIVAL OF REPRESENTATIONS AND WARRANTIES

    All  statements  of fact  contained  herein,  any  certificate  or  schedule
delivered  by or on behalf  of Saba,  HVI or Merger  Sub  pursuant  to the terms
hereof,  shall be deemed  representations  and warranties  made by Saba, HVI and
Merger   Sub,   respectively,   to  each  other   under  this   Agreement.   The
representations  and  warranties  of the parties shall survive the Closing for a
period of one year.


    ARTICLE VII

                            TERMINATION AND AMENDMENT


Section 7.1  Termination.  This Agreement may be terminated at any time prior to
the  Effective  Time, by action taken or authorized by the Board of Directors of
the  terminating  party or  parties,  whether  before or after  approval  of the
matters  presented in connection with the Merger by the  shareholders of Saba or
HVI:

    (a) By mutual written consent of HVI and Saba, by action of their respective
Boards of Directors;

    (b) By either Saba or HVI if the  Effective  Time shall not have occurred on
or  before  the  elapse of three  months  from the date of this  Agreement  (the
"Termination  Date");  provided,  however,  that  the  right to  terminate  this
Agreement  under this  Section  7.1(b) shall not be available to any party whose
failure to  fulfill  any  obligation  under this  Agreement  (including  without
limitation Section 4.3) has to any extent been the cause of, or resulted in, the
failure of the Effective Time to occur on or before the Termination Date; or

    (c) By either Saba or HVI if (i) the  approval by the  shareholders  of Saba
required  for the  consummation  of the Merger  shall not have been  obtained by
reason of the failure to obtain the  Required  Saba Vote or (ii) the approval by
the  shareholders  of HVI required for the HVI Share  Issuance to consummate the
Merger  shall not have been  obtained  by reason of the  failure  to obtain  the
Required  HVI Vote,  in each  case  upon the  taking of such vote at a duly held
meeting  of the  shareholders  of Saba or HVI,  as the  case  may be,  or at any
reconvened meeting after any adjournment or postponement thereof.

    (d) By either Saba or HVI if any condition  precedent contained in Article V
has not  occurred and has not been waived by the other party or cured in time to
comply with Section 7.1(b).

Section 7.2       Effect of Termination.

    (a) A termination as a result of Section  7.1(b)  resulting from the failure
of any party to fulfill an  obligation  under this  Agreement in a timely manner
(including  without  limitation  Section 4.3) or a termination that results from
Section 7.1(d) with respect only to conditions  precedent  contained in Sections
5.2 and 5.3 of  Article V shall be deemed a  "Default"  on the part of the party
responsible  for the Termination and the party who is in Default shall be deemed
a "Defaulting Party."

    (b) In the event of  termination  of this Agreement by either Saba or HVI as
provided in Section 7. 1, this Agreement shall  forthwith  become void and there
shall  be no  liability  or  obligation  on the  part of HVI or  Saba  or  their
respective  officers,  directors or counsel  except with respect to this Section
7.2.

    (c) HVI and Saba agree that should this  Agreement be terminated as a result
of a default by a Defaulting Party, the Defaulting Party shall pay the sum of $1
million plus in the case of Saba being the Defaulting  Party,  all sums invested
into Saba by HVI or its  affiliates  and all sums  advanced  by HVI on behalf of
Saba up to the Termination Date (the "Termination Fee") in the event that either
party shall  terminate  this Agreement  pursuant to Sections  7.1(b) or (d) with
respect  only to  conditions  precedent  contained  in  Sections  5.2 and 5.3 of
Article V as a result of the failure of either party to fulfill its  obligations
under this Agreement (including without limitation Section 4.3).

    (d) The Termination Fee required to be paid pursuant to Section 7.2(b) shall
be made to non  defaulting  party upon  termination  of this  Agreement  by wire
transfer  of  immediately  available  funds  to an  account  designated  by  non
defaulting party.

Section 7.3 Amendment.  This Agreement may be amended by the parties hereto,  by
action taken or authorized by their respective Boards of Directors,  at any time
before or after approval of the matters  presented in connection with the Merger
by the shareholders of Saba and HVI, but, after any such approval,  no amendment
shall be made which by law or in accordance with the rules of any relevant stock
exchange or of Nasdaq requires  further  approval by such  shareholders  without
such further approval. This Agreement may not be amended except by an instrument
in writing signed on behalf of each of the parties hereto.

Section 7.4  Extension;  Waiver.  At any time prior to the Effective  Time,  the
parties  hereto,  by action taken or  authorized by their  respective  Boards of
Directors,  may,  to the  extent  legally  allowed,  (i) extend the time for the
performance of any of the obligations or other acts of the other parties hereto,
(ii) waive any  inaccuracies  in the  representations  and warranties  contained
herein or in any document  delivered  pursuant hereto and (iii) waive compliance
with any of the agreements or conditions  contained herein. Any agreement on the
part of a party  hereto to any such  extension  or waiver shall be valid only if
set forth in a written instrument signed on behalf of such party. The failure of
any party to this  Agreement to assert any of its rights under this Agreement or
otherwise shall not constitute a waiver of those rights.


                                  ARTICLE VIII

                                  MISCELLANEOUS

Section 8.1 Announcement.  Unless otherwise  previously  announced,  the parties
agree to draft an announcement relating to this Agreement within 24 hours of the
execution hereof,  which  announcement shall be released as a joint announcement
through the business new wire services.

Section 8.2  Counterparts and Facsimile  Signatures.  In order to facilitate the
execution  of  this  Agreement,  the  same  may be  executed  in any  number  of
counterparts and signature pages may be delivered by telefax.

Section 8.3  Assignment.  Neither this  Agreement nor any right  created  hereby
shall be  assignable  by Saba or HVI  without the prior  written  consent of the
other parties.  Nothing in this  Agreement,  express or implied,  is intended to
confer  upon any  person,  other than the  parties  hereby and their  respective
successors,   assigns,   heirs,   executors,    administrators,    or   personal
representatives, any rights or remedies under or by reason of this Agreement.

Section 8.4 Entire  Agreement.  This Agreement,  the schedules  hereto,  and the
other  documents  delivered  pursuant  hereby  constitute  the full  and  entire
understanding  and  agreement  between  the  parties  with regard to the subject
hereof  and no party  shall be liable or bound to any other in any manner by any
representations,  warranties, covenants or agreements except as specifically set
forth herein.  All prior  agreements and  understandings  are superseded by this
Agreement and the schedules  hereto.  Section 8.5  Knowledge.  When used in this
Agreement,  the term  "knowledge"  and words of similar  import means  knowledge
actually  possessed  by an officer or director  of a party,  whether by personal
discovery or  communication  received from a  subordinate,  but does not include
imputed or vicarious knowledge.

Section 8.6 Governing Law. This  Agreement  shall be governed by the laws of the
State of Colorado,  except that the DGCL shall govern as to matters of corporate
law  pertaining  to Saba and  Merger  Sub.  Any action  brought to enforce  this
Agreement  or any  term  thereof  shall  be  brought  in a  court  of  competent
jurisdiction in Denver,  Colorado and each party hereto  affirmatively agrees to
submit to the jurisdiction in that city and state.

Section 8.7  Severability.  In case any  provision  of this  Agreement  shall be
invalid, illegal or unenforceable,  the validity, legality and enforceability of
the remaining provisions shall not in any way be affected or impaired thereby.

Section 8.8  Notices.  Any notice,  communication,  request,  reply,  or advice,
hereinafter  severally  and  collectively  called  "notice,"  in this  Agreement
provided or permitted to be given, made or accepted by either party to the other
must be in  writing  and may be given by  personal  delivery  or U.S.  mail,  or
confirmed  telefax.  If given by mail, such notice must be sent by registered or
certified mail,  postage prepaid,  mailed to the party at the respective address
set forth below,  and shall be effective  only if and when received by the party
to be notified.  For  purposes of notice,  the  addresses of the parties  shall,
until changed as hereinafter provided, be as follows:

    (1) If to HVI and/or Merger Sub:

                  Horizontal Ventures, Inc.
                  Attn: Mr. Randeep S. Grewal
                  Chairman and Chief Executive Officer
                  630 Fifth Avenue, Suite 1501
                  New York, NY 10111
                  Telefax: (212) 218-4679

         With a copy to:

                  Cohen Brame & Smith Professional Corporation
                  Attn: Roger V. Davidson, Esq.
                  1700 Lincoln Street, Suite 1800
                  Denver, CO 80203
                  Telefax: (303) 894-0475

    (2) If to Saba:

                  Saba Petroleum Company
                  Attn: Susan M. Whalen, Esq.
                  3201 Airpark Drive, Suite 201
                  Santa Maria, CA 93455
                  Telefax: (805) 347-1072

or at such other  address or telefax  number as any party may have  advised  the
others in writing.

Section  8.9  Attorney  Fees.  If any action at law or in equity,  including  an
action for declaratory relief, is brought to enforce or interpret the provisions
of this Agreement,  the prevailing party shall be entitled to recover reasonable
attorney  fees from the other party or parties,  which fees shall be in addition
to any other relief which may be awarded.




                  [Remainder of Page Intentionally Left Blank.]




<PAGE>


         IN WITNESS  WHEREOF,  this  Agreement  is hereby duly  executed by each
party hereto as of the date first written above.


HVI:

HORIZONTAL VENTURES, INC.,
a Colorado corporation

By:_________________________________
      Randeep S. Grewal, Chairman
      and Chief Executive Officer


MERGER SUB:

HVI ACQUISITION CORPORATION,
a Delaware corporation

By:_________________________________
      Randeep S. Grewal, Chairman
      and Chief Executive Officer


SABA:

SABA PETROLEUM COMPANY,
a Delaware corporation

By: ________________________________
      William Hagler, Chairman
       of the Executive Committee







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