| 382059 | Dec 7, 1990 | Dec 7, 1990 | Texas Independent Explor., Inc. | Slick Estate 539 #4A | 4,500 | 42732454 |
| 382024 | Dec 6, 1990 | Dec 6, 1990 | Kebo Oil & Gas, Inc. | Boston Texas Land Trust #1 | 6,000 | 42732453 |
| 381906 | Dec 4, 1990 | Dec 4, 1990 | Wagner, Duer & Co. | Guerra Oil Unit #1 | 2,000 | 42732452 |
| 381906Amendment | Dec 4, 1990 | Dec 4, 1990 | Wagner, Duer & Co. | Guerra Oil Unit #1 | 2,000 | 42732452 |
| 381906Amendment | Dec 4, 1990 | Dec 4, 1990 | Wagner, Duer & Co. | Guerra Oil Unit #1 | 2,000 | 42732452 |
| 381686 | Dec 4, 1990 | Dec 4, 1990 | Glenn, Wayne E. & Assoc., Inc. | La Brisa Ranch/State #6 | 7,050 | 42731262 |
| 381686Amendment | Dec 4, 1990 | Dec 4, 1990 | Glenn, Wayne E. & Assoc., Inc. | La Brisa Ranch/State 542-B #6 | 7,050 | 42731262 |
| 381348 | Dec 4, 1990 | Dec 4, 1990 | Oryx Energy Company | Saenz, M. -State #19 | 6,000 | 42701116 |
| 381561 | Dec 3, 1990 | Dec 3, 1990 | Glenn, Wayne E. & Assoc., Inc. | La Brisa Ranch #542 #3 | 5,607 | 42732338 |
| 381276 | Nov 28, 1990 | Nov 28, 1990 | Oryx Energy Company | De Lopez, C. V. -B- #5 | 9,300 | 42731903 |
| 381240 | Nov 28, 1990 | Nov 28, 1990 | Hanson Minerals Co. | Bloomberg, Samuel D. #3 | 11,500 | 42732449 |
| 381240Amendment | Nov 28, 1990 | Nov 28, 1990 | Hanson Minerals Co. | Bloomberg, Samuel D. #3 | 12,000 | 42732449 |
| 381240Amendment | Nov 28, 1990 | Nov 28, 1990 | Hanson Minerals Co. | Bloomberg, Samuel D. #3 | 12,000 | 42732449 |
| 381572 | Nov 27, 1990 | Nov 27, 1990 | Texas Independent Explor., Inc. | Cameron #1 | 9,500 | 42732451 |
| 381572Amendment | Nov 27, 1990 | Nov 27, 1990 | Texas Independent Explor., Inc. | Cameron #1 | 9,500 | 42732451 |
| 381203 | Nov 16, 1990 | Nov 16, 1990 | Hanson Minerals Co. | Bloomberg, Samuel D. #2 | 11,500 | 42732448 |
| 381203Amendment | Nov 16, 1990 | Nov 16, 1990 | Hanson Minerals Co. | Bloomberg, Samuel D. #2 | 11,500 | 42732448 |
| 380892 | Nov 14, 1990 | Nov 14, 1990 | Conoco Inc. | Slick, T.B. Est. A #159 | 8,000 | 42732445 |
| 380891 | Nov 14, 1990 | Nov 14, 1990 | Conoco Inc. | Slick, T.B. Est. A #160 | 8,000 | 42732446 |
| 380688 | Nov 13, 1990 | Nov 13, 1990 | KTX Management, Inc. | Garza, D. L. #1 | 4,510 | 42730175 |
| 380882 | Nov 9, 1990 | Nov 9, 1990 | Oryx Energy Company | Rodriguez, S. #4 | 6,150 | 42731265 |
| 380287 | Nov 7, 1990 | Nov 7, 1990 | Fina Oil & Chemical Company | Farm, S. W. & Ranch #6 | 8,000 | 42732443 |
| 379728 | Nov 5, 1990 | Nov 5, 1990 | Amax Oil & Gas Inc. | Texas Osage Gas Unit #2 | 10,000 | 42732178 |
| 380563 | Nov 2, 1990 | Nov 2, 1990 | Oryx Energy Company | De Lopez, C. V. #3 | 5,132 | 42700721 |
| 380509 | Nov 1, 1990 | Nov 1, 1990 | Oryx Energy Company | Saenz, M. -State #24 | 6,512 | 42731882 |
| 380211 | Oct 26, 1990 | Oct 26, 1990 | Oryx Energy Company | Montalvo, I. V. -C- #1 | 6,611 | 42700569 |
| 380211Amendment | Oct 26, 1990 | Oct 26, 1990 | Oryx Energy Company | Montalvo, I. V. -C- #1 | 6,611 | 42700569 |
| 380128 | Oct 25, 1990 | Oct 25, 1990 | Oryx Energy Company | Rodriguez, S. #8 | 8,005 | 42731847 |
| 380090 | Oct 24, 1990 | Oct 24, 1990 | Hanson Minerals Co. | State of Texas #8 | 9,000 | 42732442 |
| 380090Amendment | Oct 24, 1990 | Oct 24, 1990 | Hanson Minerals Co. | State of Texas #8 | 9,000 | 42732442 |
| 380060 | Oct 24, 1990 | Oct 24, 1990 | Oryx Energy Company | Montalvo, L. V. -C- #28 | 6,503 | 42700596 |
| 380060Amendment | Oct 24, 1990 | Oct 24, 1990 | Oryx Energy Company | Montalvo, I.V. -C- #28 | 6,503 | 42700596 |
| 379700 | Oct 17, 1990 | Oct 17, 1990 | Oryx Energy Company | Laurel, C. #7 | 7,700 | 42731437 |
| 379586 | Oct 15, 1990 | Oct 15, 1990 | Texas Independent Explor., Inc. | Slick Estate #5395 | 7,500 | 42732398 |
| 379458 | Oct 15, 1990 | Oct 15, 1990 | Samedan Oil Corporation | Davenport-State A #1 | 9,500 | 42731836 |
| 379106 | Oct 12, 1990 | Oct 12, 1990 | Carnes Exploration Company | Gonzales - State #1 | 3,900 | 42732440 |
| 378708 | Oct 11, 1990 | Oct 11, 1990 | Fina Oil & Chemical Company | Davenport, O. H. Heirs #1 | 10,054 | 42731729 |
| 378312 | Oct 11, 1990 | Oct 11, 1990 | Fina Oil & Chemical Company | Slick, T. B. Estate #83 | 10,296 | 42731708 |
| 379235 | Oct 10, 1990 | Oct 10, 1990 | Amax Oil & Gas Inc. | Celestino Garza Gas Unit #5 | 8,200 | 42732441 |
| 378705 | Oct 3, 1990 | Oct 3, 1990 | Tasca Exploration Company | Garcia, J. A., et Al #4 | 5,390 | 42732269 |
| 377867 | Sep 14, 1990 | Sep 14, 1990 | Fina Oil & Chemical Company | Slick, T. B. Estate #103 | 9,000 | 42732439 |
| 377848 | Sep 11, 1990 | Sep 11, 1990 | Texas Independent Explor., Inc. | La Brisa Land & Cattle #1 | 6,500 | 42732292 |
| 377339 | Sep 11, 1990 | Sep 11, 1990 | Texas Independent Explor., Inc. | Yzaguirre #1 | 9,500 | 42732437 |
| 377295 | Sep 6, 1990 | Sep 6, 1990 | Fina Oil & Chemical Company | State Slick #D 16 | 9,500 | 42731832 |
| 377410 | Sep 5, 1990 | Sep 5, 1990 | Hanson Minerals Co. | Mayfair-La Brisa #2 | 7,500 | 42732395 |
| 377407 | Sep 5, 1990 | Sep 5, 1990 | Hanson Minerals Co. | Cameron 137 #1 | 10,000 | 42732438 |
| 376029 | Aug 24, 1990 | Aug 24, 1990 | Oryx Energy Company | H. Acevado Gas Unit #1 | 8,150 | 42732321 |
| 376029Amendment | Aug 24, 1990 | Aug 24, 1990 | Oryx Energy Company | H. Acevado Gas Unit #1 | 8,150 | 42732321 |
| 376767 | Aug 23, 1990 | Aug 23, 1990 | Texaco Inc. | Bloomberg, S.D. #8 | 6,300 | 42730388 |
| 376619 | Aug 16, 1990 | Aug 16, 1990 | Suemaur Exploration, Inc. | Howell, J.J. #1 | 8,300 | 42732436 |
| 376576 | Aug 16, 1990 | Aug 16, 1990 | Fina Oil & Chemical Company | Tenneco Conoco Fee #3 | 8,800 | 42732281 |
| 376576Amendment | Aug 16, 1990 | Aug 16, 1990 | Fina Oil & Chemical Company | Tenneco Conoco Fee #3 | 8,800 | 42732281 |
| 376576Amendment | Aug 16, 1990 | Aug 16, 1990 | Fina Oil & Chemical Company | Tenneco Conoco Fee #3 | 8,800 | 42732281 |
| 376617 | Aug 15, 1990 | Aug 15, 1990 | Fina Oil & Chemical Company | Slick, T.B. Estate #102 | 12,000 | 42732435 |
| 376617Amendment | Aug 15, 1990 | Aug 15, 1990 | Fina Oil & Chemical Company | Slick, T.B. Estate #102 | 12,000 | 42732435 |
| 376469 | Aug 10, 1990 | Aug 10, 1990 | Tesoro Expl. & Prod. Company | Guerra #2 | 17,000 | 42732434 |
| 376469Amendment | Aug 10, 1990 | Aug 10, 1990 | Tesoro Expl. & Prod. Company | Guerra-USA Gas Unit C #2 | 14,581 | 42732434 |
| 376281 | Aug 8, 1990 | Aug 8, 1990 | Fina Oil & Chemical Company | Davenport, O. H. Heirs #5 | 10,200 | 42732433 |
| 376281Amendment | Aug 8, 1990 | Aug 8, 1990 | Fina Oil & Chemical Company | Davenport, O. H. Heirs #5 | 13,500 | 42732433 |
| 376037 | Aug 1, 1990 | Aug 1, 1990 | Hanson Minerals Co. | Bloomberg, Samuel D. #1 | 12,200 | 42732432 |
| 376037Amendment | Aug 1, 1990 | Aug 1, 1990 | Hanson Minerals Co. | Bloomberg, Samuel D. #1 | 12,200 | 42732432 |
| 376004 | Jul 31, 1990 | Jul 31, 1990 | Fina Oil & Chemical Company | Urschel, C. F. #6 | 9,000 | 42732431 |
| 376004Amendment | Jul 31, 1990 | Jul 31, 1990 | Fina Oil & Chemical Company | Urschel, C. F. #6 | 9,000 | 42732431 |
| 376050 | Jul 30, 1990 | Jul 30, 1990 | Oryx Energy Company | Yturria L & L Co. -B- #5 | 5,140 | 42732350 |
| 376050Amendment | Jul 30, 1990 | Jul 30, 1990 | Oryx Energy Company | Yturria L & L Co. -B- #5 | 5,140 | 42732350 |
| 375832 | Jul 26, 1990 | Jul 26, 1990 | L & F Drilling Co., Inc. (1) | Heard, F. V. W. Heirs Mrs #2 | 6,641 | 42700850 |
| 375874 | Jul 24, 1990 | Jul 24, 1990 | Hanson Minerals Co. | State of Texas #7 | 9,500 | 42732430 |
| 375874Amendment | Jul 24, 1990 | Jul 24, 1990 | Hanson Minerals Co. | State of Texas #7 | 9,500 | 42732430 |
| 375737 | Jul 24, 1990 | Jul 24, 1990 | Mortimer Exploration Company | Breaker #2 | 2,000 | 42732429 |
| 375737Amendment | Jul 24, 1990 | Jul 24, 1990 | Mortimer Exploration Company | Breaker #2 | 2,000 | 42732429 |
| 375737Amendment | Jul 24, 1990 | Jul 24, 1990 | Mortimer Exploration Company | Breaker #2 | 2,000 | 42732429 |
| 374055 | Jul 24, 1990 | Jul 24, 1990 | D.Y. Exploration, Inc. | Garza-Rivas Unit #105 | 4,595 | 42701189 |
| 375775 | Jul 20, 1990 | Jul 20, 1990 | Oryx Energy Company | Garza, Juan M. #3 | 6,740 | 42732202 |
| 374712 | Jul 13, 1990 | Jul 13, 1990 | Wagner, Duer & Co. | Groos National Bank #3V | 925 | 42705128 |
| 375456 | Jul 12, 1990 | Jul 12, 1990 | Oryx Energy Company | Laurel, D. #11 | 8,568 | 42731354 |
| 375456Amendment | Jul 12, 1990 | Jul 12, 1990 | Oryx Energy Company | Laurel, D. #11 | 8,568 | 42731354 |
| 375348 | Jul 12, 1990 | Jul 12, 1990 | Fina Oil & Chemical Company | Fina Conoco Fee #14 | 8,600 | 42732428 |
| 375348Amendment | Jul 12, 1990 | Jul 12, 1990 | Fina Oil & Chemical Company | Fina-Conoco Fee #14 | 8,600 | 42732428 |
| 375427 | Jul 11, 1990 | Jul 11, 1990 | Oryx Energy Company | Yturria, L & L Co. B #2 | 7,031 | 42732006 |
| 375232 | Jul 11, 1990 | Jul 11, 1990 | Cameron, Paul E., Jr., Inc. | Cameron #15 | 5,200 | 42732306 |
| 375363 | Jul 10, 1990 | Jul 10, 1990 | Fina Oil & Chemical Company | Urschel, C.F. #5 | 8,100 | 42732427 |
| 375363Amendment | Jul 10, 1990 | Jul 10, 1990 | Fina Oil & Chemical Company | Urschel, C.F. #5 | 8,100 | 42732427 |
| 375347 | Jul 10, 1990 | Jul 10, 1990 | Oryx Energy Company | Saenz, M. -State #26 | 6,500 | 42731950 |
| 375067 | Jul 5, 1990 | Jul 5, 1990 | Sue-Ann Production Company | Barrera Estate GU #1 | 9,010 | 42731625 |
| 375057 | Jun 29, 1990 | Jun 29, 1990 | Oryx Energy Company | Hall, C. M. -A- #10 | 8,999 | 42732318 |
| 374962 | Jun 27, 1990 | Jun 27, 1990 | Kebo Oil & Gas, Inc. | Salinas #1 | 6,100 | 42732426 |
| 374952 | Jun 27, 1990 | Jun 27, 1990 | Amax Oil & Gas Inc. | Celestino Garza Gas Unit #4 | 8,400 | 42732425 |
| 374925 | Jun 26, 1990 | Jun 26, 1990 | Oryx Energy Company | Hall, C. M. -A- #9 | 8,800 | 42732246 |
| 374783 | Jun 26, 1990 | Jun 26, 1990 | Hanson Minerals Co. | Mayfair la Brisa #3 | 8,000 | 42732424 |
| 374783Amendment | Jun 26, 1990 | Jun 26, 1990 | Hanson Minerals Co. | Mayfair Labrisa #3 | 8,000 | 42732424 |
| 374783Amendment | Jun 26, 1990 | Jun 26, 1990 | Hanson Minerals Co. | Mayfair la Brisa #3 | 7,590 | 42732424 |
| 374883 | Jun 25, 1990 | Jun 25, 1990 | Oryx Energy Company | Hall, J. F. -State #23 | 7,495 | 42732258 |
| 374716 | Jun 25, 1990 | Jun 25, 1990 | Tesoro Expl. & Prod. Company | Silva #1 | 13,000 | 42732423 |
| 374824 | Jun 22, 1990 | Jun 22, 1990 | Oryx Energy Company | Montalvo, I.V. -C- #26 | 5,666 | 42700594 |
| 374724 | Jun 20, 1990 | Jun 20, 1990 | Hanson Minerals Co. | HMC/Tie la Brisa #3 | 8,000 | 42732422 |
| 374052 | Jun 20, 1990 | Jun 20, 1990 | D.Y. Exploration, Inc. | Garza-Rivas Unit(d.d.oil Co.-B-) #1010 | 6,400 | 42701194 |
| 374459 | Jun 15, 1990 | Jun 15, 1990 | Exxon Corp. | Montalvo, N. R. & E. A. #27 | 5,740 | 42731340 |
| 374230 | Jun 13, 1990 | Jun 13, 1990 | Suemaur Exploration, Inc. | H. Acevedo Gas Unit #1 | 6,000 | 42732330 |
| 374300 | Jun 12, 1990 | Jun 12, 1990 | BT Operating Co. | Thomas #1 | 9,000 | 42732421 |
| 374073 | Jun 8, 1990 | Jun 8, 1990 | D.Y. Exploration, Inc. | Garza-Rivas Unit(d.d.oil Co.-B-) #108 | 4,400 | 42701192 |