| Gertz-Darling Unit #142-489-30588 | Convest Energy Corporation | Willacy, TXNile (Frio 8500) | PluggedGas | 10,800 | Jul 21, 1978 | — | — |
| Wertz, C. E. #142-489-30587 | — | Willacy, TX | Plugged | 10,500 | Jun 16, 1978 | — | — |
| Bomba #142-489-30585 | — | Willacy, TX | Plugged | 10,475 | May 25, 1978 | — | — |
| El Sauz Ranch Nopal #142-489-30583 | Pinnell H. P. Trustee | Willacy, TXArroyo Colorado (E-1) | PluggedGas | 8,000 | May 18, 1978 | — | — |
| Joseph. M. H. et al #142-489-80246 | — | Willacy, TX | Plugged | 9,267 | May 18, 1978 | — | — |
| Savage, Floe #142-489-30582 | — | Willacy, TX | Plugged | 9,900 | May 12, 1978 | — | — |
| Armendaiz et al #1 T42-489-30032 | Mueller Engineering Corp. | Willacy, TXArroyo Colorado (B-7) | PluggedGas | 3,800 | Feb 1, 1978 | — | — |
| Geis Harvey #142-489-00519 | Amoco Production Company | Willacy, TXLa Sal Vieja | PluggedOil | 8,900 | Oct 20, 1977 | — | — |
| Hidalgo-Willacy Gas Unit #142-489-30580 | — | Willacy, TX | Plugged | 2,600 | Sep 21, 1977 | — | — |
| Rudco Fee #142-489-30579 | — | Willacy, TX | Plugged | 10,500 | Aug 31, 1977 | — | — |
| Kleberg R.J. Jr. Stillman #3742-489-30577 | Exxon Corp. | Willacy, TXTordilla (I-67 S) | PluggedGas | 10,000 | Aug 1, 1977 | — | — |
| Yturria Cattle Co. #b 342-489-00610 | Petroleum Management Inc. | Willacy, TXLa Sara NE (7400) | PluggedGas | 7,600 | Jul 28, 1977 | — | — |
| Yturria L.&l. Co. -a- NCT-1 #2642-489-00631 | Texaco Inc. | Willacy, TXRaymondville (F- 9) | PluggedGas | 7,765 | Jul 18, 1977 | — | — |
| Sauz Ranch Mulatos Pasture #8542-489-00184 | Exxon Corp. | Willacy, TXWillamar West (Miocene 6300) | PluggedOil | 8,015 | Jun 22, 1977 | — | — |
| Robbins M. B. #142-489-30120 | Mitchell Energy Corporation | Willacy, TXLa Sal Vieja (8 9680-9935) | PluggedGas | 12,000 | Jun 13, 1977 | — | — |
| 142-489-00009 | Mabee Petroleum Corp. | Willacy, TXLa Sara NW. (3600) | Not on scheduleGas | — | — | — | — |
| Yturria Cattle Company #442-489-00015 | Superior Oil Company The | Willacy, TXLa Sara (No. 30 Sand) | Not on scheduleOil | — | — | — | — |
| 542-489-00016 | Superior Oil Company The | Willacy, TXLa Sara (No. 35) | Not on scheduleGas | — | — | — | — |
| 742-489-00017 | Superior Oil Company The | Willacy, TXLa Sara (No. 14) | Not on scheduleGas | — | — | — | — |
| 1142-489-00024 | Superior Oil Company The | Willacy, TXChess (No. 44) | Not on scheduleOil | — | — | — | — |
| Southern Fruit LD Irr Co Gas U#1 #242-489-00041 | Texaco Inc. | Willacy, TXRaymondville (7500) | PluggedGas | — | — | — | — |
| Sauz Ranch Tenerias a/C 1 #t 342-489-00076 | Exxon Corp. | Willacy, TXTenerias (7920) | Not on scheduleGas | — | — | — | — |
| 242-489-00091 | Kirkwood & Morgan Inc. | Willacy, TXPaso Real (7350) | Not on scheduleGas | — | — | — | — |
| Sauz Ranch Mulatos Pasture #8142-489-00117 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar West | Not on scheduleOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #9742-489-00127 | Shoco Production LLC | Willacy, TXWillamar (Graben C-1 Sand N.) | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #7342-489-00137 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar West | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #6042-489-00139 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar West | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #6642-489-00143 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar West | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #2342-489-00150 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar West | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #3042-489-00152 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar West | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #4442-489-00164 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar West | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #2242-489-00165 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar West | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #7242-489-00167 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar (Graben a-1 Sd. N.) | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #9542-489-00169 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #10142-489-00172 | Shoco Production LLC | Willacy, TXWillamar (Graben North) | ActiveOil | 7,888 | — | — | — |
| Sauz Ranch Mulatos Pasture #4242-489-00174 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar (Graben a-1 Sd. N.) | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #4042-489-00176 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar West | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #8442-489-00181 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar West | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #140__42-489-00183 | — | Willacy, TX | Plugged | — | — | — | — |
| Sauz Ranch Mulatos Pasture #542-489-00185 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar West | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #6142-489-00187 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar West | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #242-489-00189 | Shoco Production LLC | Willacy, TXWillamar West | ActiveInjection | 8,025 | — | — | — |
| Sauz Ranch Mulatos Pasture #142-489-00190 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar West | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #5442-489-00200 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #7842-489-00202 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar | PluggedOil | — | — | — | — |
| Sauz Ranch Mulatos Pasture #13742-489-00204 | Shoco Production LLC | Willacy, TXWillamar (Graben North) | PluggedOil | — | — | — | — |
| 3342-489-00206 | Humble Oil & Refining Co. | Willacy, TXWillamar (4500) | Not on scheduleGas | — | — | — | — |
| Sauz Ranch Mulatos Pasture #1142-489-00207 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar West | PluggedOil | — | — | — | — |
| 6742-489-00209 | Exxon Corp. | Willacy, TXWillamar (4500) | Not on scheduleGas | — | — | — | — |
| Sauz Ranch Mulatos Pasture #2042-489-00211 | Chestnut Explor. and Prod. Inc. | Willacy, TXWillamar West | PluggedOil | — | — | — | — |