| 142-321-02832 | General Petr. Corp. | Matagorda, TXPalacios (Frio 9100) | Not on scheduleGas | — | — | — | — |
| Caldwell Nora Unit #142-321-02833 | Seneca Resources Corporation | Matagorda, TXHawkinsville North (Frio) | PluggedGas | — | — | — | — |
| 242-321-02838 | Monsanto Company | Matagorda, TXEl Maton (Basal Frio) | Not on scheduleGas | — | — | — | — |
| Cocke -B- #342-321-02845 | Chaparral Energy L.L.C. | Matagorda, TXSugar Valley (Grant) | PluggedOil | — | — | — | — |
| Braman -C- #1D42-321-02853 | Oak Energy LLC | Matagorda, TXSugar Valley N. (Union) | PluggedOil | — | — | — | — |
| State Tract 451 #142-321-02857 | Texaco Inc. | Matagorda, TXSargent South (3250 Miocene) | Not on scheduleGas | — | — | — | — |
| Trull F. M. Unit et al #142-321-20159 | Mobil Oil Corporation | Matagorda, TXPheasant SW. (8150 B-1) | PluggedOil | — | — | — | — |
| First City National Bank #1__42-321-20228 | — | Matagorda, TX | Plugged | — | — | — | — |
| Trull F.M. Unit 2 #142-321-20245 | Sue-Ann Production Company | Matagorda, TXPheasant SW. (8150 B-1) | PluggedOil | — | — | — | — |
| Pauline Huebner #242-321-20256 | — | Matagorda, TX | Plugged | — | — | — | — |
| G.L. Harrison #142-321-20264 | — | Matagorda, TX | Plugged | — | — | — | — |
| L.M. Steele et al #142-321-20282 | — | Matagorda, TX | Plugged | — | — | — | — |
| Texas Gulf Sulpher #242-321-20300 | — | Matagorda, TX | Plugged | — | — | — | — |
| Texas Gulf Sulpher Compnay #142-321-20302 | — | Matagorda, TX | Plugged | — | — | — | — |
| Neuszer L.P. #3D42-321-20305 | Coastal Oil & Gas Corporation | Matagorda, TXTrull (Nodosaria 2) | PluggedOil | — | — | — | — |
| Kate S. Rugley Est. #142-321-20307 | — | Matagorda, TX | Plugged | — | — | — | — |
| Geo. Burke #142-321-20318 | — | Matagorda, TX | Plugged | — | — | — | — |
| Appling-Stoval #142-321-20319 | — | Matagorda, TX | Plugged | — | — | — | — |
| Maude White #142-321-20333 | — | Matagorda, TX | Plugged | — | — | — | — |
| Texas Gulf Sulphur #342-321-20336 | — | Matagorda, TX | Plugged | — | — | — | — |
| Huebner M. D. #342-321-20345 | — | Matagorda, TX | Plugged | — | — | — | — |
| Southland Trull #342-321-20351 | KD Energy LLC | Matagorda, TXPheasant SW. (8150 B-1) | PluggedOil | — | — | — | — |
| Slaughter Gas Unit #342-321-30004 | Getty Oil Co. | Matagorda, TXPalacios (Frio -E-) | PluggedGas | — | — | — | — |
| Consolidated Citrus Grove Unit #7 H42-321-30007 | Apache Corporation | Matagorda, TXCollegeport (4000) | PluggedGas | — | — | — | — |
| Texas Gulf Sulphur #442-321-30008 | — | Matagorda, TX | Plugged | — | — | — | — |
| 142-321-30009 | Sands Caroline Hunt | Matagorda, TXMarkham South (10 150) | Not on scheduleGas | — | — | — | — |
| State Tract 311 #2 L42-321-30012 | Plantation Operating Co. Inc. | Matagorda, TXOyster Lake (Frio 4050) | PluggedGas | — | — | — | — |
| 142-321-30014 | Tarpon Oil Company | Matagorda, TXLucky (Frio 8900) | Not on scheduleGas | — | — | — | — |
| 242-321-30017 | Sands Caroline Hunt | Matagorda, TXMarkham South (10 150) | Not on scheduleGas | — | — | — | — |
| Texas Gulf Sulphur Company #542-321-30019 | — | Matagorda, TX | Plugged | — | — | — | — |
| Trull R. B. #142-321-30021 | KD Energy LLC | Matagorda, TXPheasant SW. (Frio A) | PluggedOil | — | — | — | — |
| 142-321-30026 | Mesa Petroleum Co. | Matagorda, TXBlessing E. (Pierce Up.) | Not on scheduleGas | — | — | — | — |
| 1 T42-321-30027 | Coastal States Gas Prod. Co. | Matagorda, TXCrab (6300) | Not on scheduleGas | — | — | — | — |
| Kain Unit #2 F42-321-30031 | Alamo Pet. Co. | Matagorda, TXKain (Miocene -L-) | PluggedGas | — | — | — | — |
| Blessing -S- #80 F42-321-30032 | Sue-Ann Operating L.C. | Matagorda, TXBlessing (8300 Blessing) | PluggedGas | — | — | — | — |
| Dawdy J. E. et al #142-321-30039 | Occidental Petroleum Corp. | Matagorda, TXMarkham South (10 150) | Not on scheduleGas | — | — | — | — |
| State Tract No. 307 #1 U42-321-30043 | McMoran Exploration Co. | Matagorda, TXOyster Lake W. (3850) | Not on scheduleGas | — | — | — | — |
| 142-321-30045 | North American Royalties Inc. | Matagorda, TXMatagorda Bay NE (Miocene 5100) | Not on scheduleGas | — | — | — | — |
| Steele Louise M. et al #142-321-30047 | TXO Production Corp. | Matagorda, TXDuncan Slough S. (Frio Lo.) | PluggedGas | — | — | — | — |
| 142-321-30048 | Stroope James L. | Matagorda, TXPheasant-Bowers (9800) | Not on scheduleGas | — | — | — | — |
| Cornelius Ethel #3D42-321-30049 | Mobil Producing TX. & N.M. Inc. | Matagorda, TXWadsworth | PluggedOil | — | — | — | — |
| Hawkins Ranch #1__42-321-30053 | — | Matagorda, TX | Plugged | — | — | — | — |
| Hawkins Ranch #2__42-321-30059 | — | Matagorda, TX | Plugged | — | — | — | — |
| State Tract 307 #2 U42-321-30069 | McMoran Exploration Co. | Matagorda, TXOyster Lake W. (3750) | Not on scheduleGas | — | — | — | — |
| 142-321-30073 | Stroope James L. | Matagorda, TXPheasant (McDonald) | Not on scheduleGas | — | — | — | — |
| Pierce Est. Oil & Gas Ints. #142-321-30077 | IV Standard LLC | Matagorda, TXDuncan Slough S. (Frio Lo.) | ActiveGas | 11,478 | — | — | — |
| Ladner A. L. #342-321-30078 | Northridge Oil Company | Matagorda, TXMidfields N. W. (8850) | PluggedOil | — | — | — | — |
| Collegeport Gas Unit #6 T42-321-30082 | Apache Corporation | Matagorda, TXCollegeport (2880) | PluggedGas | — | — | — | — |
| Pierce Estate Oil & Gas Int. N #a 142-321-30083 | TXO Production Corp. | Matagorda, TXDuncan Slough S. (Frio Lo.) | PluggedGas | — | — | — | — |
| Hamill & Hamill #942-321-30088 | Wynn-Crosby Operating Ltd. | Matagorda, TXSargent South (3850) | PluggedGas | — | — | — | — |