| 393755 | Nov 15, 1991 | Nov 15, 1991 | Edco Energy, Inc. | Zernial Unit #1 HH | 13,220 | 05131864 |
| 393755Amendment | Nov 15, 1991 | Nov 15, 1991 | Edco Energy, Inc. | Zernial Unit #1 HH | 13,220 | 05131864 |
| 393915 | Nov 12, 1991 | Nov 12, 1991 | MW Petroleum Corporation | Tamu #1H | 13,000 | 05133287 |
| 393915Amendment | Nov 12, 1991 | Nov 12, 1991 | MW Petroleum Corporation | Tamu #1H | 10,144 | 05133287 |
| 393581 | Nov 4, 1991 | Nov 4, 1991 | Union Pacific Resources Company | Javelina Unit #1H | 13,900 | 05133286 |
| 393496 | Nov 1, 1991 | Nov 1, 1991 | Cox & Perkins Exploration, Inc. | Newcomb-Matcek #1H | 8,200 | 05133285 |
| 393442 | Oct 30, 1991 | Oct 30, 1991 | Union Pacific Resources Company | Newell-Toupal Unit #1H | 12,500 | 05133284 |
| 393199 | Oct 24, 1991 | Oct 24, 1991 | Union Pacific Resources Company | Yegua Unit #H 2H | 14,700 | 05133283 |
| 393199Amendment | Oct 24, 1991 | Oct 24, 1991 | Union Pacific Resources Company | Yegua Unit #H 2H | 14,700 | 05133283 |
| 393146 | Oct 24, 1991 | Oct 24, 1991 | Allen, Denny Operating Company | Scarmardo - Marylinda #1 HH | 8,500 | 05133281 |
| 393146Amendment | Oct 24, 1991 | Oct 24, 1991 | Allen, Denny Operating Company | Scarmardo Marylinda #1 HH | 7,456 | 05133281 |
| 393137 | Oct 24, 1991 | Oct 24, 1991 | Sage Energy Company | Golden Triangle #1H | 7,200 | 05133282 |
| 392448 | Oct 21, 1991 | Oct 21, 1991 | Union Pacific Resources Company | Louis Loehr Unit #1 | 7,918 | 05131501 |
| 392832 | Oct 11, 1991 | Oct 11, 1991 | Union Pacific Resources Company | Weichert, Theodore #1 | 8,930 | 05131053 |
| 392719 | Oct 9, 1991 | Oct 9, 1991 | Union Pacific Resources Company | Homeyer-Skrivanek Unit #1H | 13,000 | 05133279 |
| 392719Amendment | Oct 9, 1991 | Oct 9, 1991 | Union Pacific Resources Company | Homeyer-Skrivanek Unit #1H | 10,783 | 05133279 |
| 392719Amendment | Oct 9, 1991 | Oct 9, 1991 | Union Pacific Resources Company | Homeyer-Skrivanek Unit #1H | 10,783 | 05133279 |
| 392655 | Oct 8, 1991 | Oct 8, 1991 | Union Pacific Resources Company | Gantt-Junek Unit #1H | 15,000 | 05133278 |
| 392584 | Oct 7, 1991 | Oct 7, 1991 | Union Pacific Resources Company | Drought, Thomas #1H | 13,100 | 05133277 |
| 392072 | Oct 4, 1991 | Oct 4, 1991 | Seneca Resources Corp. | Moore, Jessie #5 | 12,500 | 05131493 |
| 392472 | Oct 3, 1991 | Oct 3, 1991 | Union Pacific Resources Company | Drgac, Edd #1 | 7,820 | 05131259 |
| 391828 | Sep 17, 1991 | Sep 17, 1991 | Sage Energy Company | Glidewell-Proske #1H | 11,500 | 05133276 |
| 391828Amendment | Sep 17, 1991 | Sep 17, 1991 | Sage Energy Company | Glidewell-Proske #1H | 7,758 | 05133276 |
| 391718 | Sep 16, 1991 | Sep 16, 1991 | Cox & Perkins Exploration, Inc. | Ratcliffe-Kidd #1H | 8,700 | 05133275 |
| 391718Amendment | Sep 16, 1991 | Sep 16, 1991 | Cox & Perkins Exploration, Inc. | Ratcliffe-Kidd #2V | 8,596 | 05133275 |
| 391813 | Sep 11, 1991 | Sep 11, 1991 | Union Pacific Resources Company | Schultz-Canatella Unit #1H | 12,500 | 05133274 |
| 391580 | Sep 5, 1991 | Sep 5, 1991 | Bar-Mac Investments Inc. | Douglas #2 | 5,000 | 05133272 |
| 391622 | Sep 4, 1991 | Sep 4, 1991 | Union Pacific Resources Company | Yegua Unit #H 1H | 14,500 | 05133273 |
| 391622Amendment | Sep 4, 1991 | Sep 4, 1991 | Union Pacific Resources Company | Yegua Unit #H 1H | 14,500 | 05133273 |
| 391382 | Aug 30, 1991 | Aug 30, 1991 | Sage Energy Company | Raleigh Unit #2H | 11,000 | 05133271 |
| 391369 | Aug 29, 1991 | Aug 29, 1991 | Christico Petroleum Company | Mound Prairie Unit #1H | 12,000 | 05133270 |
| 391369Amendment | Aug 29, 1991 | Aug 29, 1991 | Christico Petroleum Company | Mound Prairie Unit #1H | 8,944 | 05133270 |
| 391263 | Aug 26, 1991 | Aug 26, 1991 | Union Pacific Resources Company | Porter-Porter "C" Unit #1H | 13,800 | 05133269 |
| 391263Amendment | Aug 26, 1991 | Aug 26, 1991 | Union Pacific Resources Company | Porter-Porter "C" Unit #1H | 12,878 | 05133269 |
| 391240 | Aug 26, 1991 | Aug 26, 1991 | United Oil & Minerals, Inc. | Herrman, Roy H. #4H | 10,000 | 05131020 |
| 391240Amendment | Aug 26, 1991 | Aug 26, 1991 | United Oil & Minerals, Inc. | Herrman, Roy H. #4 | 10,000 | 05131020 |
| 391140 | Aug 22, 1991 | Aug 22, 1991 | Impact Energy Corporation | Schoppe, Lee #3H | 8,000 | 05131482 |
| 391124 | Aug 22, 1991 | Aug 22, 1991 | Amoco Production Company | Dillon, Don et Al #1 | 8,093 | 05131431 |
| 391124Amendment | Aug 22, 1991 | Aug 22, 1991 | MW Petroleum Corporation | Dillon, Don et Al #1 | 8,093 | 05131431 |
| 390950 | Aug 19, 1991 | Aug 19, 1991 | Sage Energy Company | Henry #2H | 12,000 | 05133268 |
| 390865 | Aug 19, 1991 | Aug 19, 1991 | Geosouthern Energy Corporation | Birch Creek Ranch #1 HH | 9,500 | 05130371 |
| 390929 | Aug 15, 1991 | Aug 15, 1991 | Parkway Petroleum, Inc. | Malazzo #1H | 8,800 | 05133267 |
| 390929Amendment | Aug 15, 1991 | Aug 15, 1991 | Parkway Petroleum, Inc. | Malazzo #1H | 8,676 | 05133267 |
| 390885 | Aug 14, 1991 | Aug 14, 1991 | Christico Petroleum Company | Giesenschlag, W.H. #3 | 8,952 | 05130991 |
| 390704 | Aug 8, 1991 | Aug 8, 1991 | Texakoma Oil & Gas Corporation | Giddings #1H | 11,050 | 05133266 |
| 390617 | Aug 5, 1991 | Aug 5, 1991 | Union Pacific Resources Company | Mildred Crnkovic Unit #H 1H | 13,500 | 05133265 |
| 390517 | Aug 2, 1991 | Aug 2, 1991 | Union Pacific Resources Company | James Sebesta Unit #H 1H | 10,400 | 05133264 |
| 390153 | Jul 22, 1991 | Jul 22, 1991 | WCS Oil and Gas Corporation | Frances Unit #1H | 12,500 | 05133263 |
| 390143 | Jul 22, 1991 | Jul 22, 1991 | Fenn, Bill Inc. | Lago Vista #1 | 10,897 | 05131779 |
| 390143Amendment | Jul 22, 1991 | Jul 22, 1991 | Fenn, Bill Inc. | Lago Vista #1H | 10,360 | 05131779 |
| 390143Amendment | Jul 22, 1991 | Jul 22, 1991 | Texaco E & P Inc. | Lago Vista #1H | 13,052 | 05131779 |
| 390099 | Jul 19, 1991 | Jul 19, 1991 | Union Pacific Resources Company | Kubin-Schmidt Unit #1H | 12,400 | 05133262 |
| 390041 | Jul 18, 1991 | Jul 18, 1991 | Dana Petroleum, Inc. | Faith Unit #1H | 10,500 | 05133261 |
| 389163 | Jul 18, 1991 | Jul 18, 1991 | Exxon Corp. | Matcek, F. #6HH | 10,800 | 05133252 |
| 390000 | Jul 17, 1991 | Jul 17, 1991 | Torch Operating Company | Birch Creek Forest #1HH | 12,415 | 05132277 |
| 390000Amendment | Jul 17, 1991 | Jul 17, 1991 | Torch Operating Company | Birch Creek Forest #1HH | 11,982 | 05132277 |
| 389952 | Jul 16, 1991 | Jul 16, 1991 | Exxon Corp. | T.E. Gibson, Jr. Unit 1 #1H | 11,860 | 05133260 |
| 389838 | Jul 12, 1991 | Jul 12, 1991 | Union Pacific Resources Company | Rubach-Tatum Unit #1H | 13,700 | 05133259 |
| 389838Amendment | Jul 12, 1991 | Jul 12, 1991 | Union Pacific Resources Company | Rubach-Tatum Unit #1H | 12,545 | 05133259 |
| 389727 | Jul 9, 1991 | Jul 9, 1991 | United Oil & Minerals, Inc. | Patranella #1H | 10,000 | 05133424 |
| 389726 | Jul 9, 1991 | Jul 9, 1991 | United Oil & Minerals, Inc. | C. S. #1H | 10,000 | 05133258 |
| 389631 | Jul 9, 1991 | Jul 9, 1991 | Sage Energy Company | Hicks #4H | 12,000 | 05133256 |
| 389631Amendment | Jul 9, 1991 | Jul 9, 1991 | Sage Energy Company | Hicks #4H | 10,315 | 05133256 |
| 389508 | Jul 1, 1991 | Jul 1, 1991 | Union Pacific Resources Company | Slovacek, Rayfield #1 | 8,314 | 05131049 |
| 389397 | Jun 27, 1991 | Jun 27, 1991 | Union Pacific Resources Company | Novosad, Ben #1 | 8,368 | 05130932 |
| 389329 | Jun 25, 1991 | Jun 25, 1991 | Union Pacific Resources Company | Wildcat Unit #1H | 13,000 | 05133255 |
| 389322 | Jun 25, 1991 | Jun 25, 1991 | Union Pacific Resources Company | Knight-Porter Unit #1H | 11,800 | 05133254 |
| 389206 | Jun 21, 1991 | Jun 21, 1991 | WCS Oil and Gas Corporation | Matilda Unit #1H | 12,500 | 05133253 |
| 389206Amendment | Jun 21, 1991 | Jun 21, 1991 | WCS Oil and Gas Corporation | Matilda Unit #1H | 9,000 | 05133253 |
| 389057 | Jun 21, 1991 | Jun 21, 1991 | Cox & Perkins Exploration, Inc. | Bird #2H | 10,500 | 05133251 |
| 389136 | Jun 19, 1991 | Jun 19, 1991 | Union Pacific Resources Company | Robert F. Spearman "C" Unit #1 | 7,645 | 05130790 |
| 389086 | Jun 18, 1991 | Jun 18, 1991 | Union Pacific Resources Company | Hamilton-Porter Unitt #1H | 11,900 | 05133250 |
| 389081 | Jun 18, 1991 | Jun 18, 1991 | Seahawk Petroleum Corporation | Hodrick #1H | 9,100 | 05130456 |
| 388905 | Jun 12, 1991 | Jun 12, 1991 | Union Pacific Resources Company | Rhodes-Knesek Unit #3H | 11,700 | 05133249 |
| 382579 | Jun 10, 1991 | Jun 10, 1991 | U. S. Operating, Inc. | Josephine #2H | 10,800 | 05133178 |
| 387396 | Jun 7, 1991 | Jun 7, 1991 | Westlands Resources Corporation | DRC II #1H | 12,000 | 05133235 |
| 388575 | Jun 4, 1991 | Jun 4, 1991 | Williams, Clayton W., Jr., Inc. | Canatella-Porter Unit #1H | 8,800 | 05133248 |
| 388575Amendment | Jun 4, 1991 | Jun 4, 1991 | Williams, Clayton W., Jr., Inc. | Contella-Porter Unit #1H | 8,800 | 05133248 |
| 388564 | Jun 3, 1991 | Jun 3, 1991 | Union Pacific Resources Company | Novosad-Slovacek "a" Unit #2 | 8,420 | 05131123 |
| 388537 | Jun 3, 1991 | Jun 3, 1991 | United Oil & Minerals, Inc. | Dolores Unit #1XH | 10,000 | 05133247 |
| 388457 | May 30, 1991 | May 30, 1991 | Union Pacific Resources Company | Novosad-Slovacek Unit #1 | 8,468 | 05130942 |
| 388186 | May 28, 1991 | May 28, 1991 | Central Plains Oil&gas Corp. (A) | Hudson Hills #2 | 3,900 | 05133245 |
| 388314 | May 24, 1991 | May 24, 1991 | Union Pacific Texas, Inc. | Upti Aggie SWD #1 | 5,800 | 05133246 |
| 388187 | May 24, 1991 | May 24, 1991 | Sage Energy Company | Hicks #3H | 11,100 | 05133244 |
| 388017 | May 24, 1991 | May 24, 1991 | Adams Resources Expl. Corp. | West Birch Creek Park #7HH | 11,700 | 05132460 |
| 386968 | May 24, 1991 | May 24, 1991 | United Oil & Minerals, Inc. | Kocurek #A 1H | 10,000 | 05132412 |
| 386968Amendment | May 24, 1991 | May 24, 1991 | United Oil & Minerals, Inc. | Kocurek #A 1H | 10,000 | 05132412 |
| 386968Amendment | May 24, 1991 | May 24, 1991 | United Oil & Minerals, Inc. | Kocurek "A" #1H | 10,000 | 05132412 |
| 388148 | May 20, 1991 | May 20, 1991 | Union Pacific Resources Company | Maass-Giesenschlag Unit #1H | 13,500 | 05133243 |
| 388148Amendment | May 20, 1991 | May 20, 1991 | Union Pacific Resources Company | Maass-Giesenschlag Unit #1H | 13,926 | 05133243 |
| 388039 | May 20, 1991 | May 20, 1991 | Ellington & Jones Resources, Inc | Tunis SWD #1 | 4,500 | 05133242 |
| 388061 | May 17, 1991 | May 17, 1991 | Exxon Corp. | Junek-Shupak Unit NO.1 #1H | 11,265 | 05133241 |
| 387976 | May 15, 1991 | May 15, 1991 | United Oil & Minerals, Inc. | Earlyne Unit #1H | 9,592 | 05130793 |
| 387828 | May 15, 1991 | May 15, 1991 | Cox & Perkins Exploration, Inc. | Gold #2H | 10,500 | 05133239 |
| 387728 | May 9, 1991 | May 9, 1991 | United Oil & Minerals, Inc. | Worthington-Sadler #1H | 10,000 | 05133238 |
| 387692 | May 9, 1991 | May 9, 1991 | Union Pacific Resources Company | Moehlman, Henry Jr. #1H | 10,700 | 05133237 |
| 387476 | May 3, 1991 | May 3, 1991 | Christico Petroleum Company | Chance - Blaha Unit #1H | 12,000 | 05133236 |
| 387391 | May 2, 1991 | May 2, 1991 | Williams, Clayton W., Jr., Inc. | Porter-Demottier Unit #1H | 8,600 | 05133234 |
| 386547 | May 2, 1991 | May 2, 1991 | Columbia Gas Development Corp. | Bohus Hyvl #2 #2H | 9,900 | 05133219 |
| 387374 | May 1, 1991 | May 1, 1991 | Union Pacific Resources Company | Knight-Haines Unit #2H | 11,400 | 05133233 |