| 396333 | Feb 5, 1992 | Feb 5, 1992 | Transamerican Natural Gas Corp. | Carr #57 | 9,400 | 47935401 |
| 396354 | Jan 31, 1992 | Jan 31, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #61 | 8,300 | 47935398 |
| 396353 | Jan 31, 1992 | Jan 31, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #63 | 8,065 | 47935399 |
| 396353Amendment | Jan 31, 1992 | Jan 31, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #63 | 8,065 | 47935399 |
| 396353Amendment | Jan 31, 1992 | Jan 31, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #63 | 8,065 | 47935399 |
| 396352 | Jan 31, 1992 | Jan 31, 1992 | Mobil Producing TX. & N.M. Inc. | G.B.G.L. & C.co. Ltd. #4 | 8,350 | 47935400 |
| 396352Amendment | Jan 31, 1992 | Jan 31, 1992 | Mobil Producing TX. & N.M. Inc. | G.B.G.L. & C.co. Ltd. #4 | 8,350 | 47935400 |
| 396271 | Jan 30, 1992 | Jan 30, 1992 | Enron Oil & Gas Company | Vaquillas Ranch 1631 A #5 | 10,500 | 47935397 |
| 396217 | Jan 29, 1992 | Jan 29, 1992 | Conoco Inc. | Vaquillas Ranch Co. Sgu #10 | 10,100 | 47935235 |
| 396185 | Jan 29, 1992 | Jan 29, 1992 | Hughes, Dan A. Company | Olmitos Ranch "B" #6 | 9,000 | 47935393 |
| 396135 | Jan 29, 1992 | Jan 29, 1992 | Bahia Oil & Gas, Inc. | Ramirez, Nellie - State #1 | 1,000 | 47935391 |
| 396244 | Jan 28, 1992 | Jan 28, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #60 | 9,500 | 47935396 |
| 396243 | Jan 28, 1992 | Jan 28, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #62 | 9,800 | 47935395 |
| 396243Amendment | Jan 28, 1992 | Jan 28, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #62 | 9,800 | 47935395 |
| 396242 | Jan 28, 1992 | Jan 28, 1992 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #64 | 9,100 | 47935394 |
| 396181 | Jan 27, 1992 | Jan 27, 1992 | Transamerican Natural Gas Corp. | Carr #56 | 9,500 | 47935392 |
| 396181Amendment | Jan 27, 1992 | Jan 27, 1992 | Transamerican Natural Gas Corp. | Carr #56 | 9,500 | 47935392 |
| 396002 | Jan 23, 1992 | Jan 23, 1992 | Enron Oil & Gas Company | Hubberd Estate A #8 | 10,500 | 47935390 |
| 395959 | Jan 23, 1992 | Jan 23, 1992 | Chevron U. S. A. Inc. | Bruni Mineral Trust 'A' #32 | 11,500 | 47935387 |
| 396050 | Jan 22, 1992 | Jan 22, 1992 | Enron Oil & Gas Company | Martin, J. C. III #3 | 9,500 | 47935389 |
| 396005 | Jan 21, 1992 | Jan 21, 1992 | Enron Oil & Gas Company | Hughes-State #1 | 10,650 | 47935388 |
| 395966 | Jan 17, 1992 | Jan 17, 1992 | Enron Oil & Gas Company | Hein, Luz A. Estate #5 | 12,300 | 47935386 |
| 395817 | Jan 17, 1992 | Jan 17, 1992 | Conoco Inc. | Vaquillas Ranch Co. Ltd #5 | 10,239 | 47932665 |
| 395702 | Jan 15, 1992 | Jan 15, 1992 | Conoco Inc. | Jordan, James #1 | 9,281 | 47934232 |
| 395628 | Jan 10, 1992 | Jan 10, 1992 | Transamerican Natural Gas Corp. | Frost National Bank #44 | 8,500 | 47935383 |
| 395678 | Jan 8, 1992 | Jan 8, 1992 | Enron Oil & Gas Company | Hirsch Estate 2104 B #1 | 9,550 | 47935385 |
| 395642 | Jan 7, 1992 | Jan 7, 1992 | Michael Petr. & Hurd Ent., Ltd. | El Gato - State #2 | 9,500 | 47935384 |
| 395623 | Jan 6, 1992 | Jan 6, 1992 | Enron Oil & Gas Company | Cactus Jack #2 | 12,000 | 47935382 |
| 395623Amendment | Jan 6, 1992 | Jan 6, 1992 | Enron Oil & Gas Company | Cactus Jack #2 | 12,000 | 47935382 |
| 395623Amendment | Jan 6, 1992 | Jan 6, 1992 | Enron Oil & Gas Company | Cactus Jack #2 | 9,000 | 47935382 |
| 395621 | Jan 6, 1992 | Jan 6, 1992 | Enron Oil & Gas Company | Hirsch-State-Norfleet Gas Unit #2 | 9,600 | 47935381 |
| 395620 | Jan 6, 1992 | Jan 6, 1992 | Enron Oil & Gas Company | Hirsch Estate 2093 #4 | 9,600 | 47935380 |
| 395573 | Jan 3, 1992 | Jan 3, 1992 | World Energy Corporation | Bruni, Anita R. #3 | 9,000 | 47934006 |
| 395403 | Jan 3, 1992 | Jan 3, 1992 | Enron Oil & Gas Company | Culpepper #6 | 10,000 | 47935376 |
| 395486 | Jan 2, 1992 | Jan 2, 1992 | Cox Oil & Gas, Inc. | Alley #9 | 10,500 | 47935378 |
| 395486Amendment | Jan 2, 1992 | Jan 2, 1992 | Cox Oil & Gas, Inc. | Alley #9 | 10,503 | 47935378 |
| 395510 | Dec 31, 1991 | Dec 31, 1991 | Transamerican Natural Gas Corp. | Carr #54 | 9,400 | 47935379 |
| 395505 | Dec 30, 1991 | Dec 30, 1991 | Michael Petroleum Corporation | Martin, Sophie J. "B" #3 | 9,100 | 47935058 |
| 395503 | Dec 30, 1991 | Dec 30, 1991 | World Energy Corporation | Bruni, Anita R. #1 | 10,000 | 47935377 |
| 395473 | Dec 30, 1991 | Dec 30, 1991 | Sanchez-O'Brien Oil & Gas Corp. | Leyendecker #4 | 9,200 | 47935017 |
| 395393 | Dec 30, 1991 | Dec 30, 1991 | Lewis Petro Properties, Inc. | Palafox Exploration Company #8 | 6,700 | 47935373 |
| 391417 | Dec 30, 1991 | Dec 30, 1991 | Kerns O & G, Inc. | Gates #1996 | 6,250 | 47932067 |
| 395404 | Dec 27, 1991 | Dec 27, 1991 | GO-Energy Co. | Billings #1 | 6,000 | 47935375 |
| 395397 | Dec 27, 1991 | Dec 27, 1991 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #56 | 8,100 | 47935374 |
| 395282 | Dec 27, 1991 | Dec 27, 1991 | Chevron U. S. A. Inc. | C- Bruni Mineral Trust #28 | 9,000 | 47935368 |
| 395328 | Dec 20, 1991 | Dec 20, 1991 | Conoco Inc. | Vaquillas Ranch "A1" #91 | 11,800 | 47935371 |
| 395326 | Dec 20, 1991 | Dec 20, 1991 | Conoco Inc. | Vaquillas Ranch "Al" #92 | 11,600 | 47935372 |
| 395322 | Dec 20, 1991 | Dec 20, 1991 | Enron Oil & Gas Company | Culpepper #5 | 9,525 | 47935370 |
| 395314 | Dec 20, 1991 | Dec 20, 1991 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #57 | 10,000 | 47935369 |
| 395314Amendment | Dec 20, 1991 | Dec 20, 1991 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #57 | 10,000 | 47935369 |
| 395014 | Dec 20, 1991 | Dec 20, 1991 | Bridge Oil Company, L. P. | Benavides, Brennan #62 | 5,535 | 47930240 |
| 394916 | Dec 20, 1991 | Dec 20, 1991 | CD Resources Company | Booth, W.V. #6 | 7,000 | 47935361 |
| 395216 | Dec 18, 1991 | Dec 18, 1991 | Conoco Inc. | Vaquillas Ranch Co. Ltd #41 | 10,600 | 47935367 |
| 395085 | Dec 16, 1991 | Dec 16, 1991 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #58 | 10,000 | 47935365 |
| 395085Amendment | Dec 16, 1991 | Dec 16, 1991 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #58 | 10,000 | 47935365 |
| 395082 | Dec 16, 1991 | Dec 16, 1991 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #59 | 9,500 | 47935366 |
| 395055 | Dec 13, 1991 | Dec 13, 1991 | Enron Oil & Gas Company | Hirsch-State 2072 #3 | 9,400 | 47935364 |
| 395019 | Dec 13, 1991 | Dec 13, 1991 | Transamerican Natural Gas Corp. | Day #3 | 9,100 | 47935363 |
| 394779 | Dec 13, 1991 | Dec 13, 1991 | Newman Operating Company | De Benavides, Rosa V. -K- #1 | 2,900 | 47932124 |
| 394959 | Dec 12, 1991 | Dec 12, 1991 | Dynamic Production, Inc. | Callaghan Ranch #1 | 7,000 | 47935362 |
| 394813 | Dec 12, 1991 | Dec 12, 1991 | Enron Oil & Gas Company | Vaquillas Ranch 1645 B #3 | 10,650 | 47935359 |
| 394942 | Dec 11, 1991 | Dec 11, 1991 | Enron Oil & Gas Company | Las Blancas Minerals #1 | 11,200 | 47935360 |
| 394941 | Dec 11, 1991 | Dec 11, 1991 | Enron Oil & Gas Company | Flores, Daniel #1 | 12,000 | 47935357 |
| 394775 | Dec 10, 1991 | Dec 10, 1991 | Transamerican Natural Gas Corp. | Martinez-Barrera Gas Unit #3 | 8,700 | 47935356 |
| 394858 | Dec 9, 1991 | Dec 9, 1991 | Enron Oil & Gas Company | Culpepper #4 | 9,500 | 47935358 |
| 394405 | Dec 2, 1991 | Dec 2, 1991 | Chevron U. S. A. Inc. | Isidro Moreno et Al #5 | 8,900 | 47935352 |
| 393881 | Dec 2, 1991 | Dec 2, 1991 | Lewis Petro Properties, Inc. | Miller, Gwen #1 #1 | 7,300 | 47935351 |
| 394536 | Nov 27, 1991 | Nov 27, 1991 | Enron Oil & Gas Company | Hirsch Estate 858 #3 | 9,550 | 47935355 |
| 394506 | Nov 27, 1991 | Nov 27, 1991 | Amoco Production Company | Killam-Hurd-Amoco #43 | 7,300 | 47935353 |
| 394505 | Nov 27, 1991 | Nov 27, 1991 | Amoco Production Company | Killam-Hurd-Amoco #44 | 7,400 | 47935354 |
| 394299 | Nov 27, 1991 | Nov 27, 1991 | Transamerican Natural Gas Corp. | Martinez, D. #11 | 9,100 | 47935348 |
| 394248 | Nov 27, 1991 | Nov 27, 1991 | Transamerican Natural Gas Corp. | Hirsch "A" #3 | 8,300 | 47935347 |
| 394371 | Nov 25, 1991 | Nov 25, 1991 | Transamerican Natural Gas Corp. | Carr #53 | 10,000 | 47935350 |
| 394341 | Nov 22, 1991 | Nov 22, 1991 | GO-Energy Co. | Leal #2 | 3,750 | 47935349 |
| 393136 | Nov 21, 1991 | Nov 21, 1991 | Castle Gas Corporation | De Los Santos 6 #601 | 3,700 | 47935328 |
| 394232 | Nov 20, 1991 | Nov 20, 1991 | Michael Petr. & Hurd Ent., Ltd. | El Gato "A" #3 | 9,000 | 47935346 |
| 394125 | Nov 20, 1991 | Nov 20, 1991 | Conoco Inc. | Vaquillas Ranch Co. Ltd #40 | 10,100 | 47935345 |
| 394125Amendment | Nov 20, 1991 | Nov 20, 1991 | Conoco Inc. | Vaquillas Ranch Co. Ltd #40 | 9,350 | 47935345 |
| 393853 | Nov 12, 1991 | Nov 12, 1991 | Enron Oil & Gas Company | Vaquillas Ranch-State 1194 #2 | 9,800 | 47935344 |
| 393833 | Nov 12, 1991 | Nov 12, 1991 | Michael Petroleum Corporation | Alexander, M. M. #3 | 8,000 | 47935343 |
| 393681 | Nov 8, 1991 | Nov 8, 1991 | Bridge Oil Company, L. P. | Benavides, Brennan #54 | 4,000 | 47930175 |
| 393669 | Nov 8, 1991 | Nov 8, 1991 | Columbus Energy Corp. | Hachar, D.D. #22 | 7,200 | 47935340 |
| 393662 | Nov 8, 1991 | Nov 8, 1991 | Columbus Energy Corp. | Maria Lafon Unit #1 | 7,000 | 47935339 |
| 393767 | Nov 7, 1991 | Nov 7, 1991 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #54 | 8,400 | 47935342 |
| 393692 | Nov 6, 1991 | Nov 6, 1991 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #55 | 9,500 | 47935341 |
| 393692Amendment | Nov 6, 1991 | Nov 6, 1991 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #55 | 9,500 | 47935341 |
| 393649 | Nov 5, 1991 | Nov 5, 1991 | TDC Engineering, Inc. | Wright, L. A. #10 | 7,000 | 47935338 |
| 393648 | Nov 5, 1991 | Nov 5, 1991 | TDC Engineering, Inc. | Wright, L. A. #9 | 7,000 | 47935337 |
| 393647 | Nov 5, 1991 | Nov 5, 1991 | TDC Engineering, Inc. | Wright, L. A. #8 | 7,000 | 47935336 |
| 393588 | Nov 4, 1991 | Nov 4, 1991 | Enron Oil & Gas Company | Vaquillas Ranch 2059 #1 | 10,300 | 47935334 |
| 393588Amendment | Nov 4, 1991 | Nov 4, 1991 | Enron Oil & Gas Company | Vaquillas Ranch 2059 #1 | 10,300 | 47935334 |
| 393587 | Nov 4, 1991 | Nov 4, 1991 | Enron Oil & Gas Company | Hirsch Estate 2071 #4 | 9,500 | 47935335 |
| 393493 | Nov 1, 1991 | Nov 1, 1991 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #53 | 9,600 | 47935332 |
| 393491 | Nov 1, 1991 | Nov 1, 1991 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #52 | 8,500 | 47935333 |
| 391473 | Nov 1, 1991 | Nov 1, 1991 | Kerns O & G, Inc. | Gates Ranch B #1995 | 6,250 | 47933837 |
| 393310 | Oct 31, 1991 | Oct 31, 1991 | Bahia Oil & Gas, Inc. | Cavazos, Ruben #1 | 1,050 | 47935331 |
| 391474 | Oct 30, 1991 | Oct 30, 1991 | Kerns O & G, Inc. | Gates Ranch #1472 | 6,000 | 47932066 |
| 393425 | Oct 29, 1991 | Oct 29, 1991 | Michael Petr. & Hurd Ent., Ltd. | El Gato "A" #1 | 8,500 | 47935330 |
| 393126 | Oct 25, 1991 | Oct 25, 1991 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #51 | 10,000 | 47935329 |
| 393126Amendment | Oct 25, 1991 | Oct 25, 1991 | Mobil Producing TX. & N.M. Inc. | South Callaghan Ranch #51 | 9,100 | 47935329 |