CROFF PURCHASE AGREEMENT
                                
                                
      This  Purchase  Agreement is being made  and  entered  into
between  Croff  Oil  Company, St. James Oil  Company,  and  Jenex
Operating  Company, this seventh day of April, 1998.   Croff  Oil
Company of 1675 Broadway, Suite 1030, Denver, Colorado 80202,  is
hereafter referred to as "Croff", Jenex Operating Company of 1675
Broadway,  Suite  1030,  Denver,  Colorado  80202,  is  hereafter
referred  to  as "Jenex", and St. James Oil Company of  P.O.  Box
5188,  Stateline Nevada, 89449, is hereafter referred to as  "St.
James".

                            RECITALS
                                
      St.  James owns certain producing leases on which Jenex  is
the operator of certain oil and gas wells in Oklahoma.  St. James
desires to sell these operated wells for cash to Croff.  Croff is
interested  in purchasing these wells from St. James.   Jenex  is
the  operator  of these wells and has agreed to  rebate  a  fixed
portion of the operating revenues to Croff.

                            AGREEMENT
                                
1.   Croff  hereby  agrees to buy the following leases  from  St.
     James, and the operating wells thereon commonly known as the
     Mueggenborg,  Duncan, Fannie Brown, Miller,  Dickerson,  and
     one-half  of  the Harper, which leases and  wells  are  more
     particularly described on Exhibit "A", attached  hereto  and
     by  this  reference incorporated herein.  The  leases  shall
     include  all  the  interest of St. James  in  these  mineral
     estates.   All  operated  wells, all  equipment,  inventory,
     receivables, and rights and offsets are included, except for
     the  Harper well in which St. James is conveying 1/2 of  its
     leasehold interest, the other half being conveyed  to  Jenco
     Petroleum Corporation.

2.   St.  James  hereby agrees to convey to Croff the leases  set
     out  on  Exhibit "A" by Quit Claim deed effective  April  1,
     1998, including all of St. James net revenue interest, which
     includes all of its present leasehold estate except  in  the
     Harper well in which is included 1/2 of St. James' leasehold
     estate.    Such   leases  will  be  conveyed  by   quitclaim
     assignment  with  a stipulation that purchaser  will  assume
     full   responsibility  for  all  leases  in  their   present
     condition,  including any and all environmental or  remedial
     work  which should be attributed to a non-operating  working
     interest.  A sample of such quitclaim assignment is attached
     hereto as Exhibit "B".

3.   The consideration to be paid by Croff for the assignment  of
     the  leases as described on Exhibit "A", shall be  $208,000.
     The  consideration  shall  be  paid  by  wire  transfer   or
     cashier's check at closing.

4.   Jenex hereby agrees to provide a credit of $150 dollars  per
     month for each well being purchased by Croff, as long as the
     lease  is held by Croff.  The total credit will be $150  per
     well,  for  six wells, or a total of $900 per  month.   This
     credit  is  available only to Croff, and is not transferable
     to any subsequent purchaser.

5.   This  Purchase Agreement has been approved by the  Board  of
     Directors of Croff and Croff has authorized its President to
     enter  into this Agreement.  Croff represents that it is  in
     the  oil  and natural gas business and will conduct its  own
     due diligence with respect to these leases.

6.   St. James hereby represents and warrants that it is a Nevada
     Corporation, that it has full authority to enter  into  this
     Agreement,  that James Jensen, the officer,  executing  this
     Agreement is duly authorized, that it has full authority  to
     sell the leases being conveyed, and that it is not aware  of
     any  information with respect to these leases which  is  not
     available to Croff through Jenex Operating Company, at  1675
     Broadway,  Suite  1030, Denver, Colorado  80202;  that  such
     leases are free and clear of any liens and encumbrances, and
     there  are no claims or litigation threatened or filed  with
     respect to these leases.

7.   Jenex Operating Company hereby represents and warrants  that
     it  is a Colorado Corporation, that this Agreement has  been
     duly  authorized by its Board of Directors,  and  that  this
     Agreement  is binding on Jenex, effective with the  transfer
     of  all  ownership  in  Jenex  Operating  Company  to  Jenco
     Petroleum Corporation.

8.   Closing  shall take place at the offices of Jenex  Operating
     Company at 1675 Broadway, Suite 1030, Denver, Colorado 80202
     at 10:00 A.M. on April 8, 1998.  Notwithstanding the date of
     closing, the effective date of all Assignments of the leases
     shall be midnight, March 31, 1998.

9.   All  revenue prior to the effective date shall belong to St.
     James and all revenue subsequent to the effective date shall
     belong to Croff.  All joint interest billings, expenses, and
     costs of the well prior to the effective date shall be  paid
     by St. James, and after the effective date by Croff.

10.  This  Agreement  is  being entered  into  in  the  State  of
     Colorado, and Colorado law shall apply for all purposes.

11.  This  Agreement  shall be binding upon the  parties  hereto,
     their successors, transferee's, or assigns.

12.   This Agreement shall be executed in counterparts,  each  of
which shall be an original.

13.  Croff  Oil  Company shall have the sole right  to  make  any
     public announcement of this purchase.



      In witness whereof, the parties hereto have made in entered
into  this  Purchase  Agreement, the day  and  year  first  above
written.



Attest:
                                   Croff Oil Company


Attest:
                                   Jenex Operating Company


Attest:
                                   St. James Oil Company
C:\WORD\LEGAL\AGREEMNT\CROFFPUR.DOC
                           EXHIBIT "A"
                                
                                
Harper    #1             T22N-R18W-Sec. 20
                    Woodward County, Oklahoma
                                             One-half  St.  James
                                             interest   in   this
                                             well

Miller                   T22N-R18W-Sec. 29
                    Woodward County, Oklahoma

Fannie Brown             T9N-R10W-Sec. 11
                    Caddo County, Oklahoma

Dickerson           T15N-R5W-Sec. 34
                    Kingfisher County, Oklahoma

Mueggenborg              T15N-R5W-Sec. 35
                    Kingfisher County, Oklahoma

Duncan              T9N-R25E-Sec. 21
                    LeFlore County, Oklahoma