| 389331 | Jun 25, 1991 | Jun 25, 1991 | Oryx Energy Company | Garcia L&L -C- #7C42732465 | 8,800 |
| 389203 | Jun 21, 1991 | Jun 21, 1991 | Texas Independent Explor., Inc. | La Brisa 91 #142732483 | 4,800 |
| 389093 | Jun 19, 1991 | Jun 19, 1991 | Texas Independent Explor., Inc. | La Brisa 91 #242732482 | 4,800 |
| 389089 | Jun 18, 1991 | Jun 18, 1991 | Texas Independent Explor., Inc. | La Brisa 913 #142732481 | 4,800 |
| 388989 | Jun 17, 1991 | Jun 17, 1991 | Texas Independent Explor., Inc. | La Brisa 92 #142732480 | 4,800 |
| 388876 | Jun 12, 1991 | Jun 12, 1991 | Exxon Corp. | Juarez, Miguel #942731779 | 8,900 |
| 388425 | Jun 5, 1991 | Jun 5, 1991 | Enercorp Resources, Inc. | Luera, M.G. et Al #242731855 | 12,600 |
| 388234 | Jun 5, 1991 | Jun 5, 1991 | Neuhaus, V. F. Properties, Inc. | Sheerin, Irene - Texas State #942731160 | 975 |
| 388234Amendment | Jun 5, 1991 | Jun 5, 1991 | Neuhaus, V. F. Properties, Inc. | Sheerin, Irene - Texas State #942731160 | 975 |
| 388233 | Jun 5, 1991 | Jun 5, 1991 | Neuhaus, V. F. Properties, Inc. | Sheerin, Irene - Texas State #1442731297 | 460 |
| 388297 | May 29, 1991 | May 29, 1991 | Hanson Minerals Co. | Mayfair la Brisa #442732479 | 8,000 |
| 388297Amendment | May 29, 1991 | May 29, 1991 | Hanson Minerals Co. | Mayfair la Brisa #442732479 | 7,925 |
| 388076 | May 21, 1991 | May 21, 1991 | Hanson Minerals Co. | State of Texas #8C42732442 | 8,655 |
| 386943 | May 13, 1991 | May 13, 1991 | Oryx Energy Company | H. Acevado Gas Unit #142732321 | 8,150 |
| 387621 | May 7, 1991 | May 7, 1991 | Hanson Minerals Co. | Perez #142732478 | 10,000 |
| 387444 | May 3, 1991 | May 3, 1991 | Texas Independent Explor., Inc. | Trevino Heirs 95 #142732477 | 5,000 |
| 387287 | Apr 30, 1991 | Apr 30, 1991 | Suemaur Exploration, Inc. | H. Acevedo Gas Unit #142732330 | 6,000 |
| 387255 | Apr 29, 1991 | Apr 29, 1991 | Union Pacific Resources Company | Guerra, F.B. Estate "B" #1142732299 | 8,175 |
| 387009 | Apr 24, 1991 | Apr 24, 1991 | Exxon Corp. | Montalvo, N.R. #4042720089 | 5,240 |
| 387099 | Apr 23, 1991 | Apr 23, 1991 | Tesoro Expl. & Prod. Company | Guerra #342732476 | 15,160 |
| 386849 | Apr 19, 1991 | Apr 19, 1991 | Exxon Corp. | Juarez, Miguel #642731243 | 7,800 |
| 386629 | Apr 19, 1991 | Apr 19, 1991 | Neuhaus, V. F. Properties, Inc. | Cameron, Don #342701359 | 5,700 |
| 385738 | Apr 19, 1991 | Apr 19, 1991 | Conoco Inc. | Slick, T. B. Est. - A #442701468 | 4,333 |
| 386788 | Apr 18, 1991 | Apr 18, 1991 | Conoco Inc. | Cameron, W. I #1742701221 | 6,700 |
| 386687 | Apr 18, 1991 | Apr 18, 1991 | Exxon Corp. | Montalvo, N.R. #1942704721 | 5,512 |
| 386421 | Apr 18, 1991 | Apr 18, 1991 | Mortimer Exploration Company | Groos National Bank #242732275 | 1,550 |
| 386592 | Apr 12, 1991 | Apr 12, 1991 | Exxon Corp. | Montalvo, N.R. #1842704698 | 5,365 |
| 386592Amendment | Apr 12, 1991 | Apr 12, 1991 | Exxon Corp. | Montalvo, N.R. #1842704698 | 5,365 |
| 386041 | Apr 9, 1991 | Apr 9, 1991 | Exxon Corp. | Montalvo, N.R. #2842704868 | 4,990 |
| 383245 | Apr 9, 1991 | Apr 9, 1991 | D.Y. Exploration, Inc. | D.D. Oil Company -B- #1142705048 | 6,092 |
| 386148 | Apr 5, 1991 | Apr 5, 1991 | Hanson Minerals Co. | Boston Texas Land Trust #142732397 | 7,400 |
| 386245 | Apr 1, 1991 | Apr 1, 1991 | Hanson Minerals Co. | State of Texas #1142732475 | 7,200 |
| 386089 | Mar 29, 1991 | Mar 29, 1991 | Exxon Corp. | Montalvo, N.R. #2742704828 | 4,960 |
| 386178 | Mar 28, 1991 | Mar 28, 1991 | Texas Independent Explor., Inc. | La Brisa 970 #242732474 | 7,600 |
| 386040 | Mar 26, 1991 | Mar 26, 1991 | Exxon Corp. | McGill Bros. #52442732055 | 8,450 |
| 386025 | Mar 25, 1991 | Mar 25, 1991 | Starco Exploration, Inc. | Edmunds, A. K. #2A42732282 | 6,500 |
| 385998 | Mar 22, 1991 | Mar 22, 1991 | Neuhaus, V. F. Properties, Inc. | Gonzalez, et Al #1A42732473 | 3,000 |
| 385778 | Mar 21, 1991 | Mar 21, 1991 | Glenn, Wayne E. & Assoc., Inc. | La Brisa Ranch 542 #142732280 | 6,310 |
| 385648 | Mar 21, 1991 | Mar 21, 1991 | Hanson Minerals Co. | HMC/Tie la Brisa #342732422 | 6,788 |
| 385802 | Mar 18, 1991 | Mar 18, 1991 | Texas Independent Explor., Inc. | Slick Estate #539942732404 | 5,700 |
| 385581 | Mar 15, 1991 | Mar 15, 1991 | Petrorey, Inc. | Barrera, H. #142732472 | 3,000 |
| 385555 | Mar 13, 1991 | Mar 13, 1991 | Fina Oil & Chemical Company | Slick, T.B. Estate #10142732145 | 10,417 |
| 385580 | Mar 12, 1991 | Mar 12, 1991 | Texas Independent Explor., Inc. | La Brisa 971 #142732471 | 6,100 |
| 385475 | Mar 12, 1991 | Mar 12, 1991 | Pyle Petroleum | La Brisa Ranch #242732190 | 5,610 |
| 385474 | Mar 12, 1991 | Mar 12, 1991 | Pyle Petroleum | La Brisa Ranch #142732058 | 5,510 |
| 385474Amendment | Mar 12, 1991 | Mar 12, 1991 | Pyle Petroleum | La Brisa Ranch #142732058 | 5,510 |
| 385451 | Mar 12, 1991 | Mar 12, 1991 | Conoco Inc. | Slick, T. B. Est A #16142732470 | 8,000 |
| 385208 | Mar 4, 1991 | Mar 4, 1991 | Starco Exploration, Inc. | Solis, M. "A" #142704256 | 3,762 |
| 384699 | Feb 25, 1991 | Feb 25, 1991 | Texas Independent Explor., Inc. | La Brisa R #1 R42703441 | 4,511 |
| 384697 | Feb 25, 1991 | Feb 25, 1991 | Texas Independent Explor., Inc. | La Brisa #2R42781497 | 4,180 |
| 384673 | Feb 25, 1991 | Feb 25, 1991 | Fina Oil & Chemical Company | Slick, T. B. Estate #10242732435 | 12,000 |
| 384765 | Feb 19, 1991 | Feb 19, 1991 | Conoco Inc. | Slick, T.B. Est. A #16242732469 | 8,000 |
| 384603 | Feb 19, 1991 | Feb 19, 1991 | Osborn Heirs Company | Fee #1942700917 | 6,011 |
| 384578 | Feb 12, 1991 | Feb 12, 1991 | Union Pacific Resources Company | Guerra, F. B. Estate -B- #942732260 | 8,015 |
| 384541 | Feb 12, 1991 | Feb 12, 1991 | Texas Independent Explor., Inc. | Yzaguirre #242732468 | 8,500 |
| 384528 | Feb 11, 1991 | Feb 11, 1991 | Oryx Energy Company | Olivares, A. #2242732467 | 10,400 |
| 384461 | Feb 11, 1991 | Feb 11, 1991 | OXY USA Inc. | Martinez B #742701123 | 4,562 |
| 384333 | Feb 11, 1991 | Feb 11, 1991 | Geodominion Petroleum | Gonzalez #142732466 | 4,550 |
| 384268 | Feb 11, 1991 | Feb 11, 1991 | Texas Independent Explor., Inc. | Yzaguirre #1U42732437 | 6,610 |
| 384291 | Feb 5, 1991 | Feb 5, 1991 | Oryx Energy Company | Garcia L & L -C- #742732465 | 8,800 |
| 384269 | Feb 5, 1991 | Feb 5, 1991 | Union Pacific Resources Company | Guerra, F. B. Estate -B- #1342732300 | 8,400 |
| 384164 | Feb 4, 1991 | Feb 4, 1991 | Union Pacific Resources Company | Guerra, A. Jr. et al -A- #1042732317 | 10,200 |
| 385385 | Jan 31, 1991 | Jan 31, 1991 | Exxon Corp. | McGill Bros. #48942731664 | 9,100 |
| 385385Amendment | Jan 31, 1991 | Jan 31, 1991 | Exxon Corp. | McGill Bros. #48942731664 | 9,100 |
| 383915 | Jan 28, 1991 | Jan 28, 1991 | Sanchez-O'Brien Oil & Gas Corp. | Sanchez, A. #142732464 | 5,000 |
| 383528 | Jan 25, 1991 | Jan 25, 1991 | Fina Oil & Chemical Company | Fina-Conoco Fee #1442732428 | 8,600 |
| 383528Amendment | Jan 25, 1991 | Jan 25, 1991 | Fina Oil & Chemical Company | Fina-Conoco Fee #1442732428 | 8,600 |
| 382602 | Jan 25, 1991 | Jan 25, 1991 | Breck Operating Corp. | Slick Estate #142701405 | 8,188 |
| 383728 | Jan 23, 1991 | Jan 23, 1991 | Fina Oil & Chemical Company | Fina-Conoco Fee #1542732463 | 8,000 |
| 383712 | Jan 22, 1991 | Jan 22, 1991 | Minerals of Texas, Inc. | Garnett #142732462 | 3,400 |
| 381416 | Jan 18, 1991 | Jan 18, 1991 | Texas Independent Explor., Inc. | Slick, T. B. Estate #535342732450 | 7,500 |
| 383422 | Jan 17, 1991 | Jan 17, 1991 | Exxon Corp. | McGill Bros. #26942700239 | 6,400 |
| 383539 | Jan 16, 1991 | Jan 16, 1991 | Oryx Energy Company | Slick Est. -C- #1042732270 | 11,036 |
| 383123 | Jan 11, 1991 | Jan 11, 1991 | Hanson Minerals Co. | HMC/Tie la Brisa #342732422 | 7,600 |
| 382980 | Jan 11, 1991 | Jan 11, 1991 | Hanson Minerals Co. | Mayfair la Brisa #242732395 | 7,500 |
| 381037 | Jan 10, 1991 | Jan 10, 1991 | Cameron, Paul E., Jr., Inc. | Walker, W. E. #226242732447 | 6,000 |
| 382932 | Jan 9, 1991 | Jan 9, 1991 | Tesoro Expl. & Prod. Company | Texaco Fee #142732460 | 19,000 |
| 382955 | Jan 7, 1991 | Jan 7, 1991 | Texas Independent Explor., Inc. | Slick Estate #539942732404 | 5,700 |
| 382786 | Jan 4, 1991 | Jan 4, 1991 | Tesoro Expl. & Prod. Company | U.S.A.-Guerra #142732461 | 14,700 |
| 382786Amendment | Jan 4, 1991 | Jan 4, 1991 | Tesoro Expl. & Prod. Company | U.S.A.-Guerra Gas Unit B #142732461 | 14,700 |
| 382698 | Jan 2, 1991 | Jan 2, 1991 | Fina Oil & Chemical Company | Slick, T. B. Estate #8142731668 | 13,000 |
| 382692 | Jan 2, 1991 | Jan 2, 1991 | Fina Oil & Chemical Company | Slick, T. B. Estate #8242731693 | 13,000 |
| 382692Amendment | Jan 2, 1991 | Jan 2, 1991 | Fina Oil & Chemical Company | Slick, T. B. Estate #8242731693 | 9,500 |
| 382587 | Jan 2, 1991 | Jan 2, 1991 | Exxon Corp. | Montalvo, N. R. #4642730075 | 4,920 |
| 382505 | Jan 2, 1991 | Jan 2, 1991 | Alpha Omega Petroleum, Inc. | Heard, J.F.B. #3A42732459 | 6,000 |
| 382505Amendment | Jan 2, 1991 | Jan 2, 1991 | Alpha Omega Petroleum, Inc. | Heard, J.F.B. #3A42732459 | 6,000 |
| 382811 | Dec 31, 1990 | Dec 31, 1990 | Oryx Energy Company | Slick Est. -C- #942732213 | 8,750 |
| 382466 | Dec 19, 1990 | Dec 19, 1990 | Hanson Minerals Co. | State of Texas #942732457 | 8,500 |
| 382466Amendment | Dec 19, 1990 | Dec 19, 1990 | Hanson Minerals Co. | State of Texas #942732457 | 8,700 |
| 382465 | Dec 19, 1990 | Dec 19, 1990 | Hanson Minerals Co. | State of Texas #1042732458 | 8,550 |
| 382465Amendment | Dec 19, 1990 | Dec 19, 1990 | Hanson Minerals Co. | State of Texas #1042732458 | 8,500 |
| 382465Amendment | Dec 19, 1990 | Dec 19, 1990 | Hanson Minerals Co. | State of Texas #1042732458 | 7,200 |
| 382176 | Dec 19, 1990 | Dec 19, 1990 | Carnes Exploration Company | Ricaby #142732417 | 1,741 |
| 382238 | Dec 18, 1990 | Dec 18, 1990 | San Patricio Corporation | Guerra, R. R. #142732455 | 3,800 |
| 382238Amendment | Dec 18, 1990 | Dec 18, 1990 | San Patricio Corporation | Guerra, R. R. #142732455 | 3,800 |
| 382490 | Dec 17, 1990 | Dec 17, 1990 | Wellmakers Inc. | Brock, J.D. "H" #1 A42732456 | 3,200 |
| 382212 | Dec 17, 1990 | Dec 17, 1990 | Hanson Minerals Co. | HMC/Tie la Brisa #142732357 | 9,000 |
| 382397 | Dec 14, 1990 | Dec 14, 1990 | Texas Independent Explor., Inc. | Slick Estates #539842732402 | 5,510 |
| 381428 | Dec 11, 1990 | Dec 11, 1990 | Conoco Inc. | Slick, T.B. "H" #8542732385 | 6,100 |
| 380798 | Dec 10, 1990 | Dec 10, 1990 | Conoco Inc. | Slick, T. B. "B" #17542732444 | 8,400 |