| 359442 | May 25, 1989 | May 25, 1989 | Eagle Oil & Gas Co. | Guerra, R. R. #1 | 11,500 | 42732335 |
| 359442Amendment | May 25, 1989 | May 25, 1989 | Eagle Oil & Gas Co. | Guerra, R. R. #1 | 11,500 | 42732335 |
| 359680 | May 24, 1989 | May 24, 1989 | Newman Operating Company | Guerra, A. #1 | 6,000 | 42732339 |
| 359680Amendment | May 24, 1989 | May 24, 1989 | Newman Operating Company | Guerra, A. #1 | 6,000 | 42732339 |
| 359477 | May 23, 1989 | May 23, 1989 | San Patricio Corporation | Mendoza #1 | 7,000 | 42732337 |
| 359478 | May 19, 1989 | May 19, 1989 | Glenn, Wayne E. & Assoc., Inc. | La Brisa Ranch #3 | 6,000 | 42732338 |
| 359478Amendment | May 19, 1989 | May 19, 1989 | Glenn, Wayne E. & Assoc., Inc. | La Brisa Ranch #3 | 6,000 | 42732338 |
| 359474 | May 19, 1989 | May 19, 1989 | Wincan, Inc. | Burton, John F. et Al #3 | 3,750 | 42732336 |
| 359319 | May 17, 1989 | May 17, 1989 | Sun Exploration & Production Co. | De Lopez, C. V. -A- #5 | 10,453 | 42731712 |
| 359202 | May 11, 1989 | May 11, 1989 | D.Y. Exploration, Inc. | Garza-Rivas Unit #0104 | 4,389 | 42701188 |
| 359201 | May 11, 1989 | May 11, 1989 | D.Y. Exploration, Inc. | D. D. Oil Company "B" #5 | 4,595 | 42701189 |
| 359163 | May 10, 1989 | May 10, 1989 | OXY USA Inc. | Martinez B #36 | 8,790 | 42732261 |
| 358948 | May 4, 1989 | May 4, 1989 | Sun Exploration & Production Co. | Hall, J. F. State -A- #8 | 9,810 | 42731834 |
| 358858 | May 2, 1989 | May 2, 1989 | OXY USA Inc. | Martinez B #6 | 6,650 | 42701122 |
| 358837 | May 1, 1989 | May 1, 1989 | Sun Exploration & Production Co. | McKinney, A. #32 | 7,800 | 42732122 |
| 358837Amendment | May 1, 1989 | May 1, 1989 | Sun Exploration & Production Co. | McKinney, A. #32 | 7,800 | 42732122 |
| 358824 | May 1, 1989 | May 1, 1989 | Conoco Inc. | Slick, T. B. Est. #18 | 4,200 | 42701542 |
| 358756 | Apr 28, 1989 | Apr 28, 1989 | Hanson Minerals Co. | Samano #2 | 8,500 | 42732333 |
| 358756Amendment | Apr 28, 1989 | Apr 28, 1989 | Hanson Minerals Co. | Samano #2 | 8,500 | 42732333 |
| 358604 | Apr 27, 1989 | Apr 27, 1989 | Sun Exploration & Production Co. | Speer, Geo. H. St. -B- #22 | 5,386 | 42704777 |
| 357632 | Apr 26, 1989 | Apr 26, 1989 | Exxon Corp. | McGill Bros. #536 | 7,140 | 42732327 |
| 358550 | Apr 24, 1989 | Apr 24, 1989 | Sun Exploration & Production Co. | De Garcia, B. G. #32 | 5,701 | 42730228 |
| 358392 | Apr 21, 1989 | Apr 21, 1989 | Fina Oil & Chemical Company | Southwest Farm & Ranch #3 | 8,900 | 42732332 |
| 358362 | Apr 19, 1989 | Apr 19, 1989 | Alpha Omega Petroleum, Inc. | Heard, J.F.B. #1A | 6,800 | 42732331 |
| 358258 | Apr 19, 1989 | Apr 19, 1989 | Sun Exploration & Production Co. | Montalvo, I. V. -C- #29 | 7,254 | 42700597 |
| 358309 | Apr 18, 1989 | Apr 18, 1989 | Union Pacific Resources Company | Guerra, F.B. Estate -B- #5 | 11,292 | 42700767 |
| 358066 | Apr 13, 1989 | Apr 13, 1989 | Suemaur Exploration, Inc. | H. Acevado Gas Unit #1 | 6,500 | 42732330 |
| 358017 | Apr 13, 1989 | Apr 13, 1989 | Fina Oil & Chemical Company | Davenport, O. H. Heirs #4 | 7,000 | 42732146 |
| 357929 | Apr 12, 1989 | Apr 12, 1989 | Fina Oil & Chemical Company | Tenneco-Conoco Fee #3 | 8,800 | 42732281 |
| 357998 | Apr 10, 1989 | Apr 10, 1989 | Petro-Tex Operating Co. | Elizondo #1 | 9,000 | 42732329 |
| 357850 | Apr 7, 1989 | Apr 7, 1989 | Coastal Oil & Gas Corporation | Seyfriedt, B. S. #1J | 10,620 | 42731657 |
| 357832 | Apr 7, 1989 | Apr 7, 1989 | Fina Oil & Chemical Company | Fina-Conoco Fee #5 | 8,500 | 42732328 |
| 357830 | Apr 7, 1989 | Apr 7, 1989 | OXY USA Inc. | Martinez B #7 | 4,562 | 42701123 |
| 357815 | Apr 6, 1989 | Apr 6, 1989 | Sun Exploration & Production Co. | Reilly Heirs #27 | 4,009 | 42731982 |
| 357754 | Apr 6, 1989 | Apr 6, 1989 | Denovo Oil & Gas, Inc. | Coates Energy Trust, et Al #2 | 5,000 | 42732001 |
| 357580 | Mar 30, 1989 | Mar 30, 1989 | Sun Exploration & Production Co. | Lopez, C. V. de -B- #4 | 9,000 | 42731880 |
| 357580Amendment | Mar 30, 1989 | Mar 30, 1989 | Oryx Energy Company | Lopez, C. V. de -B- #4 | 9,000 | 42731880 |
| 357081 | Mar 24, 1989 | Mar 24, 1989 | Mueller Engineering Corp. | Howell, J. J. #1 | 6,986 | 42701321 |
| 357142 | Mar 20, 1989 | Mar 20, 1989 | Fina Oil & Chemical Company | Davenport, Dee State of Texas #1 | 5,506 | 42703837 |
| 357079 | Mar 17, 1989 | Mar 17, 1989 | Exxon Corp. | McGill Bros. #396 | 6,350 | 42704994 |
| 357098 | Mar 16, 1989 | Mar 16, 1989 | Sun Exploration & Production Co. | Speer, George H. -State -B- #17 | 6,996 | 42700999 |
| 357090 | Mar 15, 1989 | Mar 15, 1989 | Sun Exploration & Production Co. | De Lopez, C.V. -A- #11 | 7,908 | 42732143 |
| 357063 | Mar 15, 1989 | Mar 15, 1989 | Texas Independent Explor., Inc. | La Brisa Land & Cattle #2 | 4,200 | 42703599 |
| 356871 | Mar 13, 1989 | Mar 13, 1989 | Mueller Engineering Corp. | Davenport-State 530 #1 | 7,000 | 42732326 |
| 356671 | Mar 7, 1989 | Mar 7, 1989 | TNT Petroleum Company, Inc. | Diaz, Maximo #1 | 6,530 | 42731933 |
| 356469 | Mar 1, 1989 | Mar 1, 1989 | Conoco Inc. | Slick, T. B. Est.-HB #125 | 5,705 | 42703545 |
| 356519 | Feb 28, 1989 | Feb 28, 1989 | Sun Exploration & Production Co. | Yturria-Garcia Gas Unit #1 | 10,500 | 42732325 |
| 356519Amendment | Feb 28, 1989 | Feb 28, 1989 | Sun Exploration & Production Co. | Yturria-Garcia Gas Unit #1 | 11,300 | 42732325 |
| 355415 | Feb 23, 1989 | Feb 23, 1989 | Tenneco Oil Co. | Slick, T. B. Estate #77 | 10,500 | 42731477 |
| 356223 | Feb 21, 1989 | Feb 21, 1989 | Union Pacific Resources Company | Guerra, A. Jr et al -A- #4 | 7,400 | 42700783 |
| 356172 | Feb 17, 1989 | Feb 17, 1989 | Sun Exploration & Production Co. | Samano #1 | 10,200 | 42732324 |
| 356172Amendment | Feb 17, 1989 | Feb 17, 1989 | Sun Exploration & Production Co. | Samano #1 | 11,200 | 42732324 |
| 355595 | Feb 16, 1989 | Feb 16, 1989 | Sun Exploration & Production Co. | H. Acevado Gas Unit #1 | 8,500 | 42732321 |
| 355835 | Feb 13, 1989 | Feb 13, 1989 | L & F Drilling Co., Inc. (1) | Heard #1 | 10,880 | 42731395 |
| 355945 | Feb 10, 1989 | Feb 10, 1989 | Sun Exploration & Production Co. | Rodriguez, S. #8 | 8,005 | 42731847 |
| 355918 | Feb 10, 1989 | Feb 10, 1989 | Fina Oil & Chemical Company | Fina-Conoco Fee #4 | 7,600 | 42732323 |
| 355892 | Feb 9, 1989 | Feb 9, 1989 | Exxon Corp. | Juarez, E. #3 | 7,025 | 42700323 |
| 355866 | Feb 8, 1989 | Feb 8, 1989 | Harper Hefte, Inc. | La Brisa L&C Co. #1 | 4,000 | 42732322 |
| 355750 | Feb 3, 1989 | Feb 3, 1989 | Tenneco Oil Co. | Davenport, O. H. Heirs #1 | 10,054 | 42731729 |
| 355723 | Feb 3, 1989 | Feb 3, 1989 | Starco Exploration, Inc. | Edmunds, A. K. #2A | 6,500 | 42732282 |
| 355579 | Jan 26, 1989 | Jan 26, 1989 | Harkins & Company | Requenez, Pedro #1 | 9,000 | 42732320 |
| 355488 | Jan 25, 1989 | Jan 25, 1989 | Sun Exploration & Production Co. | Speer, Geo. H. #9 | 4,945 | 42700725 |
| 355487 | Jan 25, 1989 | Jan 25, 1989 | Sun Exploration & Production Co. | Hall, J. F. -State -A- #3 | 9,654 | 42700735 |
| 355487Amendment | Jan 25, 1989 | Jan 25, 1989 | Oryx Energy Company | Hall, J. F. -State -A- #3 | 9,654 | 42700735 |
| 355406 | Jan 25, 1989 | Jan 25, 1989 | Harkins & Company | Martinez, F. F. #A 1 | 6,500 | 42732059 |
| 355283 | Jan 17, 1989 | Jan 17, 1989 | D.Y. Exploration, Inc. | D D Oil Company "B" #11 | 6,092 | 42705048 |
| 355119 | Jan 16, 1989 | Jan 16, 1989 | CTR Petroleum, Inc. | Slick-State #2 | 5,365 | 42703827 |
| 355127 | Jan 13, 1989 | Jan 13, 1989 | Sun Exploration & Production Co. | Hall, C. M. -A- #10 | 9,400 | 42732318 |
| 355126 | Jan 13, 1989 | Jan 13, 1989 | Harkins & Company | First National Bank of Mission #1C | 9,500 | 42732285 |
| 355125 | Jan 13, 1989 | Jan 13, 1989 | Sun Exploration & Production Co. | Speer, Geo. H. #21 | 9,200 | 42732319 |
| 354959 | Jan 11, 1989 | Jan 11, 1989 | Sun Exploration & Production Co. | De Lopez, C. V. -A- #11 | 7,908 | 42732143 |
| 354958 | Jan 11, 1989 | Jan 11, 1989 | Sun Exploration & Production Co. | De Lopez, C. V. -B- #6 | 9,000 | 42731952 |
| 354933 | Jan 10, 1989 | Jan 10, 1989 | Cabot Petroleum Corporation | Villarreal #28 | 8,242 | 42700408 |
| 354916 | Jan 9, 1989 | Jan 9, 1989 | Sun Exploration & Production Co. | Speer, Geo. H. -State -D- #5 | 9,600 | 42732243 |
| 354904 | Jan 6, 1989 | Jan 6, 1989 | Sun Exploration & Production Co. | Montalvo, I. V. -C- #44 | 6,650 | 42731782 |
| 354820 | Jan 5, 1989 | Jan 5, 1989 | Sun Exploration & Production Co. | Hall, J. F. -State #18 | 8,500 | 42701278 |
| 354482 | Dec 20, 1988 | Dec 20, 1988 | D.Y. Exploration, Inc. | D.D. Oil Company "B" #10 | 6,300 | 42701194 |
| 354482Amendment | Dec 20, 1988 | Dec 20, 1988 | D.Y. Exploration, Inc. | D.D. Oil Company "B" #10 | 6,300 | 42701194 |
| 354433 | Dec 20, 1988 | Dec 20, 1988 | Sun Exploration & Production Co. | Bentsen Bros. -A- #8 | 11,500 | 42732160 |
| 353546 | Dec 20, 1988 | Dec 20, 1988 | San Patricio Corporation | Heard, J. F. B. #4 | 4,397 | 42701198 |
| 354372 | Dec 19, 1988 | Dec 19, 1988 | Sun Exploration & Production Co. | Montalvo, I. V. -C- #29 | 7,254 | 42700597 |
| 354388 | Dec 16, 1988 | Dec 16, 1988 | Union Pacific Resources Company | Guerra, A. Jr. et al -A- #10 | 9,500 | 42732317 |
| 354388Amendment | Dec 16, 1988 | Dec 16, 1988 | Union Pacific Resources Company | Guerra, A. Jr. et al -A- #10 | 11,000 | 42732317 |
| 354388Amendment | Dec 16, 1988 | Dec 16, 1988 | Union Pacific Resources Company | Guerra, A. Jr. et al -A- #10 | 10,200 | 42732317 |
| 354163 | Dec 13, 1988 | Dec 13, 1988 | Sun Exploration & Production Co. | Hall, J. F. -State -A- #12 | 9,800 | 42731998 |
| 354225 | Dec 12, 1988 | Dec 12, 1988 | Lemarco Operating, Inc. | Villereal, et Al #1 | 6,112 | 42732257 |
| 354126 | Dec 12, 1988 | Dec 12, 1988 | Sun Exploration & Production Co. | Montalvo, I. V. -C- #3 | 5,147 | 42700571 |
| 354112 | Dec 12, 1988 | Dec 12, 1988 | Sun Exploration & Production Co. | Garza-Montalvo Gas Unit #37 | 5,500 | 42704888 |
| 354084 | Dec 12, 1988 | Dec 12, 1988 | Wright Brothers Energy, Inc. | Garza #1 | 1,400 | 42732316 |
| 353844 | Dec 8, 1988 | Dec 8, 1988 | Mortimer Exploration Company | Wood/Guerra #1 | 6,000 | 42732315 |
| 353940 | Dec 6, 1988 | Dec 6, 1988 | Sun Exploration & Production Co. | Speer, Geo. H -State -D- #2 | 10,103 | 42700740 |
| 353811 | Dec 2, 1988 | Dec 2, 1988 | Cox Oil & Gas, Inc. | Samano, M. #2 | 8,257 | 42732116 |
| 353222 | Dec 2, 1988 | Dec 2, 1988 | Sun Exploration & Production Co. | Alvarez-Hinojosa Gas Unit #1 | 9,000 | 42732309 |
| 353222Amendment | Dec 2, 1988 | Dec 2, 1988 | Sun Exploration & Production Co. | Alvarez-Hinojosa Gas Unit #1 | 9,000 | 42732309 |
| 353820 | Dec 1, 1988 | Dec 1, 1988 | Mortimer Exploration Company | Parks/Hickman #1 | 6,000 | 42732314 |
| 353550 | Nov 29, 1988 | Nov 29, 1988 | San Patricio Corporation | Heard, J. F. B. #12 | 4,387 | 42701206 |
| 353706 | Nov 28, 1988 | Nov 28, 1988 | Hanson Minerals Co. | State of Texas #1 | 8,700 | 42732313 |
| 353706Amendment | Nov 28, 1988 | Nov 28, 1988 | Hanson Minerals Co. | State of Texas #1 | 8,700 | 42732313 |
| 353527 | Nov 28, 1988 | Nov 28, 1988 | Sun Exploration & Production Co. | Montalvo, I. V. -C- #9 | 5,275 | 42700577 |
| 353457 | Nov 18, 1988 | Nov 18, 1988 | Sun Exploration & Production Co. | Montalvo, I. V. -C- #39 | 8,862 | 42731328 |