| 401491 | Jul 24, 1992 | Jul 24, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #86 | 7,800 | 47935538 |
| 401491Amendment | Jul 24, 1992 | Jul 24, 1992 | Mobil Producing TX. & N.M. Inc. | South Callagahan Ranch #86 | 7,800 | 47935538 |
| 401490 | Jul 24, 1992 | Jul 24, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #87 | 9,100 | 47935537 |
| 401490Amendment | Jul 24, 1992 | Jul 24, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #87 | 8,500 | 47935537 |
| 401489 | Jul 24, 1992 | Jul 24, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #84 | 9,300 | 47935536 |
| 401489Amendment | Jul 24, 1992 | Jul 24, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #84 | 9,300 | 47935536 |
| 401530 | Jul 23, 1992 | Jul 23, 1992 | Conoco Inc. | Vaquillas Ranch "A5" #97 | 10,100 | 47935539 |
| 401523 | Jul 22, 1992 | Jul 22, 1992 | Chevron U. S. A. Inc. | Bruni Mineral Trust 'A' #31 | 11,000 | 47935535 |
| 401523Amendment | Jul 22, 1992 | Jul 22, 1992 | Chevron U. S. A. Inc. | Bruni Mineral Trust 'A' #31 | 11,000 | 47935535 |
| 401520 | Jul 22, 1992 | Jul 22, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #83 | 6,800 | 47935534 |
| 401520Amendment | Jul 22, 1992 | Jul 22, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #83 | 6,800 | 47935534 |
| 401478 | Jul 22, 1992 | Jul 22, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #10 | 9,000 | 47934214 |
| 401477 | Jul 22, 1992 | Jul 22, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #24 | 8,100 | 47934942 |
| 401463 | Jul 22, 1992 | Jul 22, 1992 | Transamerican Natural Gas Corp. | Day #5 | 9,900 | 47935533 |
| 401481 | Jul 21, 1992 | Jul 21, 1992 | Enron Oil & Gas Company | Dix Ranch A #5 | 9,000 | 47935532 |
| 401480 | Jul 21, 1992 | Jul 21, 1992 | Enron Oil & Gas Company | Hirsch Estate A #5 | 9,350 | 47935531 |
| 401455 | Jul 21, 1992 | Jul 21, 1992 | Mobil Producing TX. & N.M. Inc. | Callaghan Ranch, South #12 | 8,300 | 47934633 |
| 401454 | Jul 21, 1992 | Jul 21, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #26 | 8,000 | 47934976 |
| 401382 | Jul 20, 1992 | Jul 20, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #85 | 9,200 | 47935530 |
| 401375 | Jul 17, 1992 | Jul 17, 1992 | Conoco Inc. | Vaquillas Ranch Co. Ltd #45 | 10,700 | 47935529 |
| 401375Amendment | Jul 17, 1992 | Jul 17, 1992 | Conoco Inc. | Vaquillas Ranch Co. Ltd #45 | 10,009 | 47935529 |
| 401349 | Jul 17, 1992 | Jul 17, 1992 | Enron Oil & Gas Company | Briscoe B #1 | 10,800 | 47935528 |
| 401348 | Jul 17, 1992 | Jul 17, 1992 | Enron Oil & Gas Company | Dix Ranch C #2010 | 8,900 | 47935527 |
| 401347 | Jul 17, 1992 | Jul 17, 1992 | Enron Oil & Gas Company | Bruni Mineral C #12 | 11,900 | 47935526 |
| 401347Amendment | Jul 17, 1992 | Jul 17, 1992 | Enron Oil & Gas Company | Bruni Mineral C #12 | 11,900 | 47935526 |
| 401281 | Jul 16, 1992 | Jul 16, 1992 | Enron Oil & Gas Company | Williamson #1 | 9,100 | 47935525 |
| 401239 | Jul 15, 1992 | Jul 15, 1992 | Enron Oil & Gas Company | Garner, Tully C. #15 | 7,950 | 47935524 |
| 401238 | Jul 15, 1992 | Jul 15, 1992 | Enron Oil & Gas Company | Garner, Tully C. #16 | 8,000 | 47935523 |
| 401058 | Jul 15, 1992 | Jul 15, 1992 | Alyndson Oil & Gas Inc. | Bruni Mineral Trust #7101 | 2,250 | 47935519 |
| 400959 | Jul 14, 1992 | Jul 14, 1992 | Tri-C Resources, Inc. | Dcrc Sec. 3 #2 | 6,500 | 47935520 |
| 400958 | Jul 14, 1992 | Jul 14, 1992 | Tri-C Resources, Inc. | Dcrc Sec. 101 #1A | 6,500 | 47935522 |
| 401131 | Jul 13, 1992 | Jul 13, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #69 R | 8,075 | 47935521 |
| 401117 | Jul 10, 1992 | Jul 10, 1992 | Enron Oil & Gas Company | Hirsch Estate A #4214 | 9,700 | 47935518 |
| 401116 | Jul 10, 1992 | Jul 10, 1992 | Enron Oil & Gas Company | Briscoe A #1 | 9,900 | 47935517 |
| 401056 | Jul 10, 1992 | Jul 10, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #46 | 7,950 | 47935220 |
| 400453 | Jul 10, 1992 | Jul 10, 1992 | Kerns O & G, Inc. | Gates Ranch #E4 | 5,810 | 47931310 |
| 401015 | Jul 9, 1992 | Jul 9, 1992 | Tri-C Resources, Inc. | Dcrc Sec. 2 #2 | 7,000 | 47935515 |
| 401012 | Jul 9, 1992 | Jul 9, 1992 | Transamerican Natural Gas Corp. | Carr #61 | 9,100 | 47935514 |
| 400961 | Jul 9, 1992 | Jul 9, 1992 | Tri-C Resources, Inc. | Dcrc Sec. 3 #1 | 3,500 | 47935516 |
| 401007 | Jul 8, 1992 | Jul 8, 1992 | Enron Oil & Gas Company | Dix Ranch A #4115 | 9,000 | 47935513 |
| 401006 | Jul 8, 1992 | Jul 8, 1992 | Enron Oil & Gas Company | Lundell 40 #4 | 12,000 | 47935512 |
| 400997 | Jul 8, 1992 | Jul 8, 1992 | Sanchez-O'Brien Oil & Gas Corp. | Hereford, L.M. #40 | 9,000 | 47935022 |
| 400936 | Jul 7, 1992 | Jul 7, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #82 | 9,400 | 47935511 |
| 400801 | Jul 3, 1992 | Jul 3, 1992 | Tana Oil and Gas Corporation | Bruni-Killam #1 | 8,900 | 47935510 |
| 400766 | Jul 3, 1992 | Jul 3, 1992 | Hughes, Dan A. Company | Olmitos Ranch "B" #7 | 9,000 | 47935508 |
| 400751 | Jul 3, 1992 | Jul 3, 1992 | Stinger Oil & Gas Inc. | Kirkpatrick, O.G. #8B | 2,300 | 47935507 |
| 400847 | Jul 2, 1992 | Jul 2, 1992 | Michael Petroleum Corporation | Link Ranch #1 | 8,000 | 47935509 |
| 400847Amendment | Jul 2, 1992 | Jul 2, 1992 | Michael Petroleum Corporation | Link Ranch #1 | 8,000 | 47935509 |
| 400736 | Jun 30, 1992 | Jun 30, 1992 | Enron Oil & Gas Company | Hirsch-State-Norflett Gas Unit #3 | 9,500 | 47935506 |
| 400733 | Jun 30, 1992 | Jun 30, 1992 | Enron Oil & Gas Company | Hirsch Estate 2071 #6 | 9,450 | 47935505 |
| 400456 | Jun 30, 1992 | Jun 30, 1992 | Graham Royalty, Ltd. | Lundell Ranch #3 | 11,518 | 47933816 |
| 400696 | Jun 29, 1992 | Jun 29, 1992 | Enron Oil & Gas Company | Vaquillas Ranch Co., Ltd. 1647 #5 | 10,700 | 47935504 |
| 400687 | Jun 29, 1992 | Jun 29, 1992 | Conoco Inc. | Benavides, Rosa V. "B"-3 #48 | 9,600 | 47935503 |
| 400632 | Jun 26, 1992 | Jun 26, 1992 | Enron Oil & Gas Company | Garner, Tully C. 978 #2 | 8,200 | 47935502 |
| 400630 | Jun 26, 1992 | Jun 26, 1992 | Enron Oil & Gas Company | Dix Ranch A #6 | 9,000 | 47935501 |
| 400630Amendment | Jun 26, 1992 | Jun 26, 1992 | Enron Oil & Gas Company | Dix Ranch A #6 | 9,000 | 47935501 |
| 400576 | Jun 25, 1992 | Jun 25, 1992 | Enron Oil & Gas Company | Culpepper #8 | 9,450 | 47935499 |
| 400575 | Jun 25, 1992 | Jun 25, 1992 | Enron Oil & Gas Company | Norfleet-Lessor G. U. #1 | 9,400 | 47935500 |
| 400514 | Jun 24, 1992 | Jun 24, 1992 | Sanchez-O'Brien Oil & Gas Corp. | Hereford, L. M. #6 | 5,590 | 47931009 |
| 400514Amendment | Jun 24, 1992 | Jun 24, 1992 | Sanchez-O'Brien Oil & Gas Corp. | Hereford, L. M. #6 | 5,590 | 47931009 |
| 400501 | Jun 23, 1992 | Jun 23, 1992 | Enron Oil & Gas Company | Vaquillas Ranch 135 #A 2 | 10,100 | 47935498 |
| 400361 | Jun 23, 1992 | Jun 23, 1992 | Transamerican Natural Gas Corp. | Frost National Bank #46 | 8,500 | 47935497 |
| 398901 | Jun 23, 1992 | Jun 23, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #76 | 9,275 | 47935461 |
| 400396 | Jun 19, 1992 | Jun 19, 1992 | Enron Oil & Gas Company | Garner, Tully C. 1056 #3 | 7,900 | 47935496 |
| 400174 | Jun 16, 1992 | Jun 16, 1992 | Waters Eng. & Operating, Inc. | Biel Ranch #2 | 1,100 | 47935495 |
| 400129 | Jun 16, 1992 | Jun 16, 1992 | Transamerican Natural Gas Corp. | Vaquillas Ranch #11 | 12,100 | 47935491 |
| 399734 | Jun 16, 1992 | Jun 16, 1992 | Lewis Petro Properties, Inc. | Long, Archie #507 | 7,350 | 47935484 |
| 400198 | Jun 15, 1992 | Jun 15, 1992 | Michael Petr. & Hurd Ent., Ltd. | El Gato "A" #6 | 9,000 | 47935494 |
| 400198Amendment | Jun 15, 1992 | Jun 15, 1992 | Michael Petr. & Hurd Ent., Ltd. | El Gato "A" #6 | 9,000 | 47935494 |
| 400193 | Jun 15, 1992 | Jun 15, 1992 | Enron Oil & Gas Company | Lessor, Mary Etta #5 | 9,850 | 47935493 |
| 400192 | Jun 15, 1992 | Jun 15, 1992 | Enron Oil & Gas Company | Dix Ranch C #1 | 8,900 | 47935492 |
| 399742 | Jun 10, 1992 | Jun 10, 1992 | Lewis Petro Properties, Inc. | Leyendecker Kone "B" #6 | 7,400 | 47935485 |
| 399965 | Jun 9, 1992 | Jun 9, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #79 | 9,000 | 47935488 |
| 399964 | Jun 9, 1992 | Jun 9, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #80 | 8,500 | 47935490 |
| 399963 | Jun 9, 1992 | Jun 9, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #81 | 9,150 | 47935489 |
| 399892 | Jun 5, 1992 | Jun 5, 1992 | Cox Exploration, Inc. | Olmitos Ranch #6 | 9,550 | 47933572 |
| 399846 | Jun 4, 1992 | Jun 4, 1992 | XCL-Texas, Inc. | Armstrong Ranch #1 | 15,222 | 47934299 |
| 399846Amendment | Jun 4, 1992 | Jun 4, 1992 | XCL-Texas, Inc. | Armstrong Ranch #1 | 15,222 | 47934299 |
| 399827 | Jun 4, 1992 | Jun 4, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #73 | 9,075 | 47935487 |
| 399914 | Jun 3, 1992 | Jun 3, 1992 | Lobo Resources, Ltd. | The Dinn Mineral Trusts #3A | 4,500 | 47935322 |
| 399200 | Jun 3, 1992 | Jun 3, 1992 | L.T.D. Explorations Inc. | Killam & Hurd, Ltd., Fee #2B | 1,350 | 47935468 |
| 399200Amendment | Jun 3, 1992 | Jun 3, 1992 | L.T.D. Explorations Inc. | Killam & Hurd, Ltd., Fee #2B | 1,350 | 47935468 |
| 399697 | Jun 1, 1992 | Jun 1, 1992 | Stinger Oil & Gas Inc. | Kirkpatrick, O.G. #4 | 2,500 | 47935482 |
| 399784 | May 29, 1992 | May 29, 1992 | Enron Oil & Gas Company | Despain Gas Unit #1 | 10,400 | 47935486 |
| 399749 | May 28, 1992 | May 28, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #74 | 9,100 | 47935483 |
| 398902 | May 28, 1992 | May 28, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #77 | 8,100 | 47935459 |
| 398902Amendment | May 28, 1992 | May 28, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #77 | 8,100 | 47935459 |
| 398900 | May 28, 1992 | May 28, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #78 | 7,800 | 47935460 |
| 399635 | May 26, 1992 | May 26, 1992 | Enron Oil & Gas Company | Lundell 40 #3 | 11,900 | 47935480 |
| 398985 | May 26, 1992 | May 26, 1992 | Katco Vacuum Truck Service Inc | Puig #1D | 2,700 | 47935469 |
| 399636 | May 25, 1992 | May 25, 1992 | Enron Oil & Gas Company | Vaquillas Ranch 2059 #3 | 10,400 | 47935481 |
| 399613 | May 22, 1992 | May 22, 1992 | Michael Petr. & Hurd Ent., Ltd. | El Gato "A" #5 | 8,700 | 47933990 |
| 399613Amendment | May 22, 1992 | May 22, 1992 | Michael Petr. & Hurd Ent., Ltd. | El Gato "A" #5 | 8,700 | 47933990 |
| 399577 | May 22, 1992 | May 22, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #75 | 8,500 | 47935479 |
| 399577Amendment | May 22, 1992 | May 22, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #75 | 8,500 | 47935479 |
| 399496 | May 22, 1992 | May 22, 1992 | Transamerican Natural Gas Corp. | Carr #59 | 9,500 | 47935477 |
| 399437 | May 22, 1992 | May 22, 1992 | Conoco Inc. | Vaquillas Ranch Co. Ltd #43 | 10,400 | 47935474 |
| 399435 | May 22, 1992 | May 22, 1992 | Conoco Inc. | Vaquillas Ranch - I #93 | 12,100 | 47935472 |
| 399554 | May 21, 1992 | May 21, 1992 | Enron Oil & Gas Company | Dix Ranch B #1768 | 9,100 | 47935478 |
| 399438 | May 21, 1992 | May 21, 1992 | Conoco Inc. | Vaquillas Ranch Co. Ltd #42 | 10,600 | 47935475 |