| Mustang Island Sand 7-a Unit #360542-355-02806 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 7-A) | PluggedOil | — | — | — | — |
| State Tract 437 #142-355-02809 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 6 Sand) | PluggedOil | — | — | — | — |
| State Tract 437 #342-355-02811 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 8 Sand) | PluggedGas | — | — | — | — |
| State 437 #5 L42-355-02813 | Arco Oil & Gas Co. | Nueces, TXMustang Island (11 Sand) | PluggedOil | — | — | — | — |
| State 437 #642-355-02814 | Arco Oil & Gas Co. | Nueces, TXMustang Island (11 Sand) | Not on scheduleOil | — | — | — | — |
| State 438 Gas Unit #242-355-02816 | Arco Oil & Gas Co. | Nueces, TXRed Fish Bay-Mus. IS (Common 10) | PluggedGas | — | — | — | — |
| State 438 #642-355-02818 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 8 Sand) | Not on scheduleOil | — | — | — | — |
| State 438 #942-355-02820 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 8 Sand) | Not on scheduleOil | — | — | — | — |
| State 438 #1142-355-02822 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 8 Sand) | Not on scheduleOil | — | — | — | — |
| State Nueces Bay Tr. -C- #142-355-05794 | Arco Oil & Gas Co. | Nueces, TXNueces Bay South (4000) | PluggedOil | — | — | — | — |
| State Tract 429 #9 U42-355-06223 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 8 Sand) | PluggedOil | — | — | — | — |
| State 45-47 Unit #4541 L42-355-06325 | Arco Oil & Gas Co. | Nueces, TXMustang Island W. (27 Sd.) | Not on scheduleGas | — | — | — | — |
| State 45-47 Unit #4712 U42-355-06376 | Arco Oil & Gas Co. | Nueces, TXMustang Island W. (29 SD) | PluggedGas | — | — | — | — |
| State 45-47 Unit #4704 L42-355-06427 | Arco Oil & Gas Co. | Nueces, TXMustang Island W. (38 Sd.) | PluggedGas | — | — | — | — |
| Mustang Island Sd. 7-a Unit #3102 H42-355-06478 | Arco Oil & Gas Co. | Nueces, TXMustang Island (7-B) | PluggedOil | — | — | — | — |
| Mustang Island Sand 7-a Unit #3608 H42-355-06554 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 7-A) | PluggedGas | — | — | — | — |
| State 438 #1542-355-30258 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 8 Sand) | PluggedOil | — | — | — | — |
| State Unit 45-47 #4541 U42-355-80116 | Arco Oil & Gas Co. | Nueces, TXRed Fish Bay-Mus. IS (Common 10) | Not on scheduleGas | — | — | — | — |
| State Nueces Bay Tr. 974 & 977 #1A42-355-80767 | Arco Oil & Gas Co. | Nueces, TXWhite Point East | Not on scheduleOil | — | — | — | — |
| State Nueces Bay Tr. 974 & 977 #1B42-355-80768 | Arco Oil & Gas Co. | Nueces, TXWhite Point East | Not on scheduleOil | — | — | — | — |
| State Nueces Bay Tr. 974 & 977 #2A42-355-80769 | Arco Oil & Gas Co. | Nueces, TXWhite Point East | PluggedOil | — | — | — | — |
| State Nueces Bay Tr. 974 & 977 #2B42-355-80770 | Arco Oil & Gas Co. | Nueces, TXWhite Point East | Not on scheduleOil | — | — | — | — |
| State Nueces Bay Tr. 974 & 977 #4A42-355-80771 | Arco Oil & Gas Co. | Nueces, TXWhite Point East | Not on scheduleOil | — | — | — | — |
| Mustang Island Sand 7-a Unit #060142-355-81233 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 7-A) | Not on scheduleOil | — | — | — | — |
| Mustang Island Sand 7-a Unit #060642-355-81234 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 7-A) | Not on scheduleOil | — | — | — | — |
| Mustang Island Sand 7-a Unit #290842-355-81237 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 7-A) | Not on scheduleOil | — | — | — | — |
| Mustang Island Sand 7-a Unit #3004 A42-355-81241 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 7-A) | Not on scheduleOil | — | — | — | — |
| Mustang Island Sand 7-a Unit #350242-355-81245 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 7-A) | PluggedOil | — | — | — | — |
| Mustang Island Sand 7-a Unit #360742-355-81249 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 7-A) | PluggedOil | — | — | — | — |
| Mustang Island Sand 7-a Unit #370442-355-81250 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 7-A) | PluggedOil | — | — | — | — |
| Mustang Island Sand 7-a Unit #370742-355-81252 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 7-A) | PluggedOil | — | — | — | — |
| Mustang Island Sand 7-a Unit #380742-355-81253 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 7-A) | Not on scheduleOil | — | — | — | — |
| Mustang Island Sand 7-a Unit #610942-355-81256 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 7-A) | Not on scheduleOil | — | — | — | — |
| Mustang Island Sand 7-a Unit #611042-355-81257 | Arco Oil & Gas Co. | Nueces, TXMustang Island ( 7-A) | Not on scheduleOil | — | — | — | — |
| State Nueces Bay Tr. -B- #142-355-81434 | Arco Oil & Gas Co. | Nueces, TXNueces Bay South (4000) | Not on scheduleOil | — | — | — | — |
| Jines J. H. #142-357-00507 | Arco Oil & Gas Co. | Ochiltree, TXEllis Ranch (Keys) | PluggedGas | — | — | — | — |
| Cordova -35- #142-371-20094 | Arco Oil & Gas Co. | Pecos, TXBrown & Thorp E. (Clear Fork) | Not on scheduleOil | — | — | — | — |
| Neal J. O. 42 #542-371-31319 | Arco Oil & Gas Co. | Pecos, TXCoyanosa (Bell Canyon) | PluggedGas | — | — | — | — |
| Wilde W.H. #342-383-00108 | Arco Oil & Gas Co. | Reagan, TXSpraberry (Trend Area) | PluggedOil | — | — | — | — |
| Beckham Agnes #142-389-00095 | Arco Oil & Gas Co. | Reeves, TXSabre (Delaware) | PluggedOil | — | — | — | — |
| Beckham Agnes #342-389-00097 | Arco Oil & Gas Co. | Reeves, TXSabre (Delaware) | PluggedOil | — | — | — | — |
| Obrien J. M. -F- #342-391-00783 | Arco Oil & Gas Co. | Refugio, TXGreta (L- 2) | PluggedGas | — | — | — | — |
| Heard Wilson #242-391-00813 | Arco Oil & Gas Co. | Refugio, TXTom Oconnor | PluggedOil | — | — | — | — |
| Obrien J. M. -E- #342-391-00922 | Arco Oil & Gas Co. | Refugio, TXGreta (L- 5) | PluggedGas | — | — | — | — |
| Obrien J. M. -G- #1 T42-391-00923 | Arco Oil & Gas Co. | Refugio, TXGreta (L-15) | PluggedGas | — | — | — | — |
| Obrien J. M. -C- #242-391-00991 | Arco Oil & Gas Co. | Refugio, TXGreta (L- 3) | PluggedGas | — | — | — | — |
| Obrien J. M. -G- #742-391-00995 | Arco Oil & Gas Co. | Refugio, TXGreta (Massive Catahoula) | PluggedOil | — | — | — | — |
| Obrien J. M. -G- #942-391-00997 | Arco Oil & Gas Co. | Refugio, TXGreta (Massive Catahoula) | PluggedOil | — | — | — | — |
| Obrien J. M. -G- #442-391-01001 | Arco Oil & Gas Co. | Refugio, TXGreta (L- 3) | PluggedGas | — | — | — | — |
| Obrien J. M. -B- #142-391-01008 | Arco Oil & Gas Co. | Refugio, TXGreta (4400) | PluggedOil | — | — | — | — |