| 42-321-0232642-321-02326 | — | Matagorda, TX | Not on scheduleGas | — | — | — | — |
| Harrison /-I- & -J-/ Gas Unit #1 L42-321-02339 | Mobil Oil Corporation | Matagorda, TXPheasant SW. (Frio J) | Not on scheduleGas | — | — | — | — |
| Trull R. B. #542-321-02341 | KD Energy LLC | Matagorda, TXPheasant SW. (Frio A) | PluggedOil | — | — | — | — |
| Matl. Trull Unit #1 L42-321-02342 | Mobil Oil Corporation | Matagorda, TXPheasant SW. (Frio J) | Not on scheduleGas | — | — | — | — |
| Trull R.B. #242-321-02344 | KD Energy LLC | Matagorda, TXPheasant SW. (8150 B-1) | PluggedOil | — | — | — | — |
| 142-321-02350 | Sinclair Carl Oil Well Service | Matagorda, TXButtermilk (Discorbis -D-) | Not on scheduleGas | — | — | — | — |
| 142-321-02352 | Atlantic Richfield Co. | Matagorda, TXButtermilk (Discorbis -D-) | Not on scheduleGas | — | — | — | — |
| Baptist Foundation Gas Unit #142-321-02360 | Sinclair Carl Oil Well Service | Matagorda, TXButtermilk (Discorbis -D-) | Not on scheduleGas | — | — | — | — |
| Clardy B. B. #1 L42-321-02396 | Unit Petroleum Company | Matagorda, TXPalacios (Frio -C-) | PluggedGas | — | — | — | — |
| Carlson John Unit #142-321-02397 | Mitchell Energy Corporation | Matagorda, TXPalacios (Frio -E-) | PluggedGas | — | — | — | — |
| Hickle Louis et al #1 T42-321-02398 | Trinidad Energy LLC | Matagorda, TXPalacios (Frio E FB 1) | ActiveGas | 8,750 | — | — | — |
| Nelsen Hans J. #242-321-02400 | Unit Petroleum Company | Matagorda, TXPalacios (Frio -F-) | PluggedGas | — | — | — | — |
| Frick Otto #1 U42-321-02404 | Trinidad Energy LLC | Matagorda, TXPalacios (Frio -D-) | ActiveGas | 9,075 | — | — | — |
| 2 L42-321-02406 | Socony Mobil Oil Company Inc. | Matagorda, TXPalacios (Frio -E-) | Not on scheduleGas | — | — | — | — |
| Robeson F. K. #1 L42-321-02407 | Mitchell Energy Corporation | Matagorda, TXPalacios (Frio -E-) | PluggedGas | — | — | — | — |
| Graham Gas Unit #1 T42-321-02408 | Mitchell Energy Corporation | Matagorda, TXPalacios (Frio -B-) | PluggedGas | — | — | — | — |
| Graham E. Allan #142-321-02416 | Arco Oil & Gas Co. | Matagorda, TXPalacios (Frio -B-) | PluggedGas | — | — | — | — |
| 1 C42-321-02439 | Dow Chemical Company The | Matagorda, TXCollegeport (2800 Hale) | Not on scheduleGas | — | — | — | — |
| Collegeport Gas Unit #442-321-02446 | Apache Corporation | Matagorda, TXCollegeport (5-West) | PluggedGas | — | — | — | — |
| Heck #142-321-02458 | Apd Company | Matagorda, TXCollegeport (1-A) | PluggedGas | — | — | — | — |
| Shell G. W. #1 T42-321-02459 | Apd Company | Matagorda, TXCollegeport (5-East) | PluggedGas | — | — | — | — |
| Collegeport Saltwater Disposal #1D42-321-02461 | Apache Corporation | Matagorda, TXCollegeport ( 5-a East) | PluggedOil | — | — | — | — |
| Otis Nellie et al #142-321-02472 | Apd Company | Matagorda, TXCollegeport (4-A) | PluggedGas | — | — | — | — |
| 142-321-02474 | Dow Chemical Company The | Matagorda, TXCollegeport (5-East) | Not on scheduleGas | — | — | — | — |
| Holsworth M. S. #1 U42-321-02477 | Apache Corporation | Matagorda, TXCollegeport (2) | PluggedGas | — | — | — | — |
| Ives Frank #142-321-02479 | Apd Company | Matagorda, TXCollegeport (4) | PluggedGas | — | — | — | — |
| Pierce Ranch #242-321-02481 | Apd Company | Matagorda, TXCollegeport (6) | PluggedGas | — | — | — | — |
| Collegeport Gas Unit #342-321-02483 | Apache Corporation | Matagorda, TXCollegeport (5-A) | PluggedGas | — | — | — | — |
| Pierce Ranch #3 T42-321-02485 | Apache Corporation | Matagorda, TXCollegeport (4) | PluggedGas | — | — | — | — |
| Consolidated Citrus Grove Unit #4 C42-321-02489 | Apache Corporation | Matagorda, TXCollegeport (2) | PluggedGas | — | — | — | — |
| 142-321-02490 | Bravo Gas Company | Matagorda, TXCollegeport (6) | Not on scheduleGas | — | — | — | — |
| Consolidated Citrus Grove Unit #642-321-02491 | Apache Corporation | Matagorda, TXCollegeport (4) | PluggedGas | — | — | — | — |
| Consolidated Citrus Grove Unit #8 C42-321-02492 | Apache Corporation | Matagorda, TXCollegeport (7-A) | PluggedGas | — | — | — | — |
| Gillett W. S. et al #142-321-02493 | Apache Corporation | Matagorda, TXCollegeport (4-B) | PluggedGas | — | — | — | — |
| 142-321-02495 | Dow Chemical Company The | Matagorda, TXCollegeport (6) | Not on scheduleGas | — | — | — | — |
| 142-321-02496 | Dow Chemical Company The | Matagorda, TXCollegeport (5-A) | Not on scheduleGas | — | — | — | — |
| Texas State #32018 #1__42-321-02514 | — | Matagorda, TX | Plugged | — | — | — | — |
| Baer A. G. et al #242-321-02573 | Millican Oil Company | Matagorda, TXKain (Miocene -M-1) | Not on scheduleGas | — | — | — | — |
| Kain L. W. Etal #142-321-02575 | Millican Oil Company | Matagorda, TXKain (Miocene -Q-) | Not on scheduleGas | — | — | — | — |
| State Tract 100-E Matagorda Bay #142-321-02577 | North American Royalties Inc. | Matagorda, TXKain (Miocene -R-) | Not on scheduleGas | — | — | — | — |
| 142-321-02610 | Goodale Bertman & Co. Inc. | Matagorda, TXMarkham E. (Marg. 6500) | Not on scheduleGas | — | — | — | — |
| Moore Estate #14U42-321-02616 | Texaco Producing Inc. | Matagorda, TXBay City (7900 Frio) | PluggedOil | — | — | — | — |
| Kountze -B- #242-321-02622 | Texas Pacific Oil Co. | Matagorda, TXArch (6380 Frio) | Not on scheduleGas | — | — | — | — |
| Kountze Denman Etal -a- #442-321-02623 | Rosenthal Stanley H. | Matagorda, TXArch | PluggedOil | — | — | — | — |
| Kountze D. -a- #5 L42-321-02624 | Rosenthal Stanley H. | Matagorda, TXArch (Frio #4) | PluggedGas | — | — | — | — |
| Heffelfinger Estate #1 T42-321-02625 | Operator P-5 Not on File | Matagorda, TXBlessing North (Frio 8100) | PluggedGas | — | — | — | — |
| 1 C42-321-02630 | Roberts - Whitson Oi. & Gas Corp | Matagorda, TXLucky NW. (Frio B) | Not on scheduleGas | — | — | — | — |
| 142-321-02632 | Roberts - Whitson Oi. & Gas Corp | Matagorda, TXLucky NW. (Frio B) | Not on scheduleGas | — | — | — | — |
| 142-321-02637 | Novosad R. J. Trustee | Matagorda, TXCane Island (F-1) | Not on scheduleGas | — | — | — | — |
| 1 L42-321-02641 | Coastal States Gas Prod. Co. | Matagorda, TXEl Maton South (Frio 10 700) | Not on scheduleGas | — | — | — | — |