| 403740Amendment | Sep 22, 1992 | Sep 22, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #100 | 9,300 | 47935600 |
| 403674 | Sep 22, 1992 | Sep 22, 1992 | Chevron U. S. A. Inc. | Bruni Mineral Trust A' #11 | 10,514 | 47932347 |
| 403526 | Sep 21, 1992 | Sep 21, 1992 | Conoco Inc. | Vaquillas Ranch A5 #102 | 9,900 | 47935597 |
| 403653 | Sep 18, 1992 | Sep 18, 1992 | Enron Oil & Gas Company | Hirsch Estate J #B2 | 10,800 | 47935599 |
| 403653Amendment | Sep 18, 1992 | Sep 18, 1992 | Enron Oil & Gas Company | Hirsch Estate J #B2 | 10,800 | 47935599 |
| 403636 | Sep 18, 1992 | Sep 18, 1992 | Lewis Petro Properties, Inc. | Garner #11 | 7,300 | 47935598 |
| 403512 | Sep 15, 1992 | Sep 15, 1992 | Lewis Petro Properties, Inc. | Garner #10 | 7,300 | 47935596 |
| 403503 | Sep 15, 1992 | Sep 15, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #90 | 9,260 | 47935594 |
| 403503Amendment | Sep 15, 1992 | Sep 15, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #90 | 9,260 | 47935594 |
| 403502 | Sep 15, 1992 | Sep 15, 1992 | Michael Petroleum Corporation | Martin, J. C. III "A" #5 | 10,000 | 47935595 |
| 402495 | Sep 15, 1992 | Sep 15, 1992 | Conoco Inc. | Carr, Edith J. #1 | 9,200 | 47933714 |
| 403480 | Sep 14, 1992 | Sep 14, 1992 | Tri-C Resources, Inc. | De la Garza Mineral Trust #2 | 9,000 | 47935593 |
| 403480Amendment | Sep 14, 1992 | Sep 14, 1992 | Tri-C Resources, Inc. | De la Garza Mineral Trust #2 | 8,700 | 47935593 |
| 403403 | Sep 11, 1992 | Sep 11, 1992 | Enron Oil & Gas Company | Despain #4 | 10,275 | 47935592 |
| 403402 | Sep 11, 1992 | Sep 11, 1992 | Enron Oil & Gas Company | Hughes Ranch #4 | 10,800 | 47935591 |
| 403237 | Sep 11, 1992 | Sep 11, 1992 | Lewis Petro Properties, Inc. | Leyendecker Dawson Unit #B 7 | 7,300 | 47935586 |
| 403342 | Sep 10, 1992 | Sep 10, 1992 | Conoco Inc. | Vaquillas Ranch C #103 | 13,100 | 47935589 |
| 403341 | Sep 10, 1992 | Sep 10, 1992 | Conoco Inc. | Vaquillas A5 #101 | 9,900 | 47935590 |
| 403225 | Sep 10, 1992 | Sep 10, 1992 | Conoco Inc. | Vaquillas Ranch Co. Ltd #29 | 10,104 | 47934242 |
| 403299 | Sep 9, 1992 | Sep 9, 1992 | Enron Oil & Gas Company | Despain Gas Unit #2 | 10,380 | 47935588 |
| 403298 | Sep 9, 1992 | Sep 9, 1992 | Enron Oil & Gas Company | Hirsch Estate A #2 | 5,100 | 47933897 |
| 403290 | Sep 9, 1992 | Sep 9, 1992 | Transamerican Natural Gas Corp. | Carr #62 | 9,700 | 47935587 |
| 403223 | Sep 8, 1992 | Sep 8, 1992 | Enron Oil & Gas Company | Vaquillas Ranch 1953 #3 | 9,900 | 47935585 |
| 403214 | Sep 8, 1992 | Sep 8, 1992 | Enron Oil & Gas Company | Kay, Mary #1 | 9,750 | 47935584 |
| 403016 | Sep 4, 1992 | Sep 4, 1992 | Kerns O & G, Inc. | Petty, O.S. #5019 | 5,265 | 47933626 |
| 403016Amendment | Sep 4, 1992 | Sep 4, 1992 | Kerns O & G, Inc. | Petty, O.S. #5019 | 5,265 | 47933626 |
| 403081 | Sep 2, 1992 | Sep 2, 1992 | Enron Oil & Gas Company | Lincoln, W.P. 2345 #3 | 8,975 | 47935583 |
| 403080 | Sep 2, 1992 | Sep 2, 1992 | Enron Oil & Gas Company | Lessor, Mary Etta #2 | 5,100 | 47932368 |
| 403079 | Sep 2, 1992 | Sep 2, 1992 | Enron Oil & Gas Company | Briscoe B #2 | 11,100 | 47935582 |
| 402824 | Sep 2, 1992 | Sep 2, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #91 | 7,550 | 47935577 |
| 402812 | Sep 2, 1992 | Sep 2, 1992 | Amoco Production Company | Williamson, Stanley H. #2 | 8,300 | 47935578 |
| 402812Amendment | Sep 2, 1992 | Sep 2, 1992 | Amoco Production Company | Williamson, Stanley H. #2 | 8,300 | 47935578 |
| 402812Amendment | Sep 2, 1992 | Sep 2, 1992 | Amoco Production Company | Williamson, Stanley H. #2 | 8,900 | 47935578 |
| 402812Amendment | Sep 2, 1992 | Sep 2, 1992 | Amoco Production Company | Williamson, Stanley H. #2 | 8,900 | 47935578 |
| 402812Amendment | Sep 2, 1992 | Sep 2, 1992 | Amoco Production Company | Williamson, Stanley H. #2 | 8,900 | 47935578 |
| 403039 | Sep 1, 1992 | Sep 1, 1992 | Enron Oil & Gas Company | Lundell 44 #1 | 11,600 | 47935581 |
| 403036 | Sep 1, 1992 | Sep 1, 1992 | Michael Petr. & Hurd Ent., Ltd. | El Gato "A" #7 | 9,500 | 47935580 |
| 402867 | Aug 31, 1992 | Aug 31, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #89 | 9,050 | 47935579 |
| 402867Amendment | Aug 31, 1992 | Aug 31, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #89 | 9,050 | 47935579 |
| 402885 | Aug 28, 1992 | Aug 28, 1992 | Mobil Producing TX. & N.M. Inc. | Stanford, P.H. #4 | 9,725 | 47934548 |
| 402724 | Aug 28, 1992 | Aug 28, 1992 | Conoco Inc. | Russell-Winch #11 | 9,700 | 47935572 |
| 402724Amendment | Aug 28, 1992 | Aug 28, 1992 | Conoco Inc. | Russell-Winch #11 | 10,500 | 47935572 |
| 402723 | Aug 28, 1992 | Aug 28, 1992 | Waters Eng. & Operating, Inc. | Billings #1 | 2,800 | 47935571 |
| 402413 | Aug 28, 1992 | Aug 28, 1992 | Lewis Petro Properties, Inc. | A. Long-Miller Unit #1 #1 | 7,300 | 47935561 |
| 402846 | Aug 27, 1992 | Aug 27, 1992 | Enron Oil & Gas Company | Garner, Tully C.A. #17 | 11,000 | 47935576 |
| 402845 | Aug 27, 1992 | Aug 27, 1992 | Enron Oil & Gas Company | Garner, Tully C. #22 | 8,100 | 47935575 |
| 402844 | Aug 27, 1992 | Aug 27, 1992 | Enron Oil & Gas Company | Garner, Tully C. #23 | 8,100 | 47935574 |
| 402844Amendment | Aug 27, 1992 | Aug 27, 1992 | Enron Oil & Gas Company | Garner, Tully C. #23 | 8,100 | 47935574 |
| 402664 | Aug 27, 1992 | Aug 27, 1992 | Tri-C Resources, Inc. | Staggs, J. #1 | 10,200 | 47935080 |
| 402799 | Aug 26, 1992 | Aug 26, 1992 | Enron Oil & Gas Company | Dix Ranch A #9 | 9,275 | 47935573 |
| 402770 | Aug 26, 1992 | Aug 26, 1992 | Tri-C Resources, Inc. | De la Garza Mineral Trust #1 | 9,000 | 47935570 |
| 402743 | Aug 26, 1992 | Aug 26, 1992 | Transamerican Natural Gas Corp. | Hubberd "C" #4 | 9,500 | 47935569 |
| 402743Amendment | Aug 26, 1992 | Aug 26, 1992 | Transamerican Natural Gas Corp. | Hubberd "C" #4 | 9,500 | 47935569 |
| 402743Amendment | Aug 26, 1992 | Aug 26, 1992 | Transamerican Natural Gas Corp. | Hubberd, William "C' #4 | 9,500 | 47935569 |
| 402743Amendment | Aug 26, 1992 | Aug 26, 1992 | Houston Exploration Company, The | Hubberd, Wm. "C1" #4 | 9,500 | 47935569 |
| 402644 | Aug 26, 1992 | Aug 26, 1992 | Conoco Inc. | Russell-Winch #10 | 9,500 | 47935567 |
| 402732 | Aug 25, 1992 | Aug 25, 1992 | Enron Oil & Gas Company | Flores, Daniel #4 | 11,750 | 47935568 |
| 402611 | Aug 24, 1992 | Aug 24, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #88 | 7,500 | 47935566 |
| 402470 | Aug 24, 1992 | Aug 24, 1992 | Transamerican Natural Gas Corp. | Martinez-Barrera Gas Unit #4 | 9,000 | 47935564 |
| 402291 | Aug 24, 1992 | Aug 24, 1992 | Kerns O & G, Inc. | Gates E #13 | 5,368 | 47934174 |
| 402553 | Aug 20, 1992 | Aug 20, 1992 | Enron Oil & Gas Company | Garner, Tully C. #21 | 8,000 | 47935565 |
| 402429 | Aug 20, 1992 | Aug 20, 1992 | Ersatz Corporation | Betsy Sue #1 | 5,400 | 47930386 |
| 402460 | Aug 18, 1992 | Aug 18, 1992 | Enron Oil & Gas Company | Hein, Luz A. Estate #8 | 11,900 | 47935563 |
| 402459 | Aug 18, 1992 | Aug 18, 1992 | Enron Oil & Gas Company | Dix Ranch A #7 | 9,100 | 47935562 |
| 402292 | Aug 18, 1992 | Aug 18, 1992 | Conoco Inc. | Vergara, Ignacio #1 | 11,043 | 47933365 |
| 401773 | Aug 18, 1992 | Aug 18, 1992 | Conoco Inc. | Vaquillas Ranch "A-1" #15 | 11,300 | 47933159 |
| 402400 | Aug 17, 1992 | Aug 17, 1992 | Enron Oil & Gas Company | Hileli GU #1 | 10,100 | 47935560 |
| 402392 | Aug 17, 1992 | Aug 17, 1992 | Chevron U. S. A. Inc. | Bruni Mineral Trust 'A' #40 | 11,000 | 47935559 |
| 402290 | Aug 17, 1992 | Aug 17, 1992 | Chevron U. S. A. Inc. | Bruni Mineral Trust 'A' #26 | 10,660 | 47935164 |
| 402353 | Aug 14, 1992 | Aug 14, 1992 | Enron Oil & Gas Company | Hirsch Estate A #6 | 9,600 | 47935558 |
| 402353Amendment | Aug 14, 1992 | Aug 14, 1992 | Enron Oil & Gas Company | Hirsch Estate A #6 | 9,600 | 47935558 |
| 402352 | Aug 14, 1992 | Aug 14, 1992 | Enron Oil & Gas Company | Dix Ranch A #8 | 9,100 | 47935557 |
| 402344 | Aug 14, 1992 | Aug 14, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #44 | 9,450 | 47935207 |
| 402344Amendment | Aug 14, 1992 | Aug 14, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #44 | 9,450 | 47935207 |
| 402178 | Aug 14, 1992 | Aug 14, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #41 | 9,150 | 47935185 |
| 402178Amendment | Aug 14, 1992 | Aug 14, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #41 | 9,150 | 47935185 |
| 402316 | Aug 13, 1992 | Aug 13, 1992 | Continental Operating Company | Trevino #1 | 3,000 | 47935556 |
| 402266 | Aug 12, 1992 | Aug 12, 1992 | Conoco Inc. | Vaquillas Ranch a 3 #100 | 9,500 | 47935555 |
| 402083 | Aug 11, 1992 | Aug 11, 1992 | Mobil Producing TX. & N.M. Inc. | G.B.G.L. & Co. #5 | 8,650 | 47935553 |
| 402083Amendment | Aug 11, 1992 | Aug 11, 1992 | Mobil Producing TX. & N.M. Inc. | G.B.G.L. & C. Co. #5 | 8,650 | 47935553 |
| 402139 | Aug 10, 1992 | Aug 10, 1992 | Columbus Energy Corp. | Ervin #1 | 7,000 | 47935554 |
| 402139Amendment | Aug 10, 1992 | Aug 10, 1992 | Columbus Energy Corp. | Ervin #1 | 7,000 | 47935554 |
| 402049 | Aug 6, 1992 | Aug 6, 1992 | Killam Oil Company | Texaco Inc, Catto Heirs Unit #2 #3 | 8,500 | 47935552 |
| 402049Amendment | Aug 6, 1992 | Aug 6, 1992 | Killam Oil Company | Catto Heirs Unit #2 #3 | 8,300 | 47935552 |
| 402028 | Aug 6, 1992 | Aug 6, 1992 | Transamerican Natural Gas Corp. | Lundell #31 | 10,700 | 47935551 |
| 401707 | Aug 6, 1992 | Aug 6, 1992 | Transamerican Natural Gas Corp. | Carr #60 | 9,700 | 47935548 |
| 402060 | Aug 5, 1992 | Aug 5, 1992 | Enron Oil & Gas Company | Hughes Ranch #3 | 10,575 | 47935550 |
| 402059 | Aug 5, 1992 | Aug 5, 1992 | Enron Oil & Gas Company | Hughes-State #3 | 10,450 | 47935549 |
| 402037 | Aug 5, 1992 | Aug 5, 1992 | Conoco Inc. | Vaquillas Ranch A #99 | 12,600 | 47935547 |
| 401874 | Jul 31, 1992 | Jul 31, 1992 | Conoco Inc. | Vaquillas Ranch Co. Ltd. #46 | 9,600 | 47935546 |
| 401872 | Jul 31, 1992 | Jul 31, 1992 | Conoco Inc. | Vaquillas Ranch L3 #98 | 9,800 | 47935545 |
| 401840 | Jul 30, 1992 | Jul 30, 1992 | Enron Oil & Gas Company | Hein, Luz A. Estate #7 | 11,800 | 47935544 |
| 401837 | Jul 30, 1992 | Jul 30, 1992 | CD Resources Company | Booth, W.V. #7 | 7,000 | 47935543 |
| 401792 | Jul 29, 1992 | Jul 29, 1992 | Enron Oil & Gas Company | Hirsch-State 2072 #1 | 8,609 | 47933129 |
| 401790 | Jul 29, 1992 | Jul 29, 1992 | Enron Oil & Gas Company | Hirsch Estate A #C1 | 8,706 | 47933762 |
| 401786 | Jul 29, 1992 | Jul 29, 1992 | Enron Oil & Gas Company | Garner, Tully C.A. #19 | 8,000 | 47935540 |
| 401785 | Jul 29, 1992 | Jul 29, 1992 | Enron Oil & Gas Company | Hubberd Estate A #9 | 10,500 | 47935542 |
| 401784 | Jul 29, 1992 | Jul 29, 1992 | Enron Oil & Gas Company | Bruni Mineral a NCT #16 | 11,400 | 47935541 |
| 401735 | Jul 28, 1992 | Jul 28, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #43 | 12,000 | 47935208 |
| 401734 | Jul 28, 1992 | Jul 28, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #19 | 9,220 | 47934717 |