| Hamilton-Reader #1HHZ42-021-31634 | Wise Star Energy LLC | BastropSerbin (Taylor Sand) | ActiveOil | 5,195 | Apr 21, 2014 | 2 | Aug 2026 |
| Willmon #1HHZ42-021-31632 | Wise Star Energy LLC | BastropSerbin (Taylor Sand) | ActiveOil | 5,178 | Sep 9, 2013 | 1 | Aug 2026 |
| Gillet Unit #1HHZ42-021-31630 | Wise Star Energy LLC | BastropSerbin (Taylor Sand) | ActiveOil | 5,323 | Mar 12, 2013 | 1 | Aug 2026 |
| Russell #1HHZ42-021-31628 | Wise Star Energy LLC | BastropSerbin (Taylor Sand) | ActiveOil | 5,396 | Jul 31, 2012 | 1 | Aug 2026 |
| Droemer 114 Unit #1HZ42-021-31627 | Wildfire Energy Operating LLC | BastropGiddings (Eagleford) | ActiveOil | 7,274 | Jun 12, 2012 | 2 | Jul 2026 |
| Reyes A. #1142-021-31626 | 4 a Rodenberg Heirs LLC | BastropCedar Creek | ActiveOil | 2,123 | Apr 20, 2012 | 1 | Jul 2026 |
| Alexander C. #1242-021-31622 | Alexander Royalty Company | BastropBateman (Austin Chalk) | ActiveOil | 2,493 | Dec 22, 2010 | 1 | Aug 2026 |
| W. R. Martin #542-021-31623 | Oro Royalties Operating LLC | BastropBateman (Austin Chalk) | ActiveOil | 2,510 | Dec 22, 2010 | 1 | Aug 2026 |
| Valois #742-021-31618 | Rannic Inc. | BastropBateman (Austin Chalk) | ActiveOil | 2,420 | Oct 26, 2010 | 1 | Aug 2026 |
| Reyes A. #1042-021-31532 | 4 a Rodenberg Heirs LLC | BastropCedar Creek | ActiveOil | 1,804 | Sep 5, 1997 | 1 | Jul 2026 |
| Reyes A. #842-021-31533 | 4 a Rodenberg Heirs LLC | BastropCedar Creek | ActiveOil | 1,833 | Sep 5, 1997 | 2 | Jul 2026 |
| Steglich Monroe #3 #342-021-31525 | Trivista Operating LLC | BastropSerbin (Taylor Sand) | ActiveOil | 5,500 | Sep 12, 1996 | 1 | Dec 2025 |
| Hilbig Oil Unit No. 1 #24HHZ42-021-00277 | Lower Colorado River Authority | BastropHilbig | ActiveGas Strg-Injection | 2,625 | May 29, 1996 | 1 | Jul 1993 |
| Peschke R. #242-021-31522 | Trivista Operating LLC | BastropSerbin (Taylor Sand) | ActiveOil | 5,600 | Apr 30, 1996 | 1 | Feb 2026 |
| Act Ranch B #1B42-021-31514 | Trivista Operating LLC | BastropSerbin (Taylor Sand) | ActiveOil | 5,558 | Oct 27, 1995 | 1 | Jan 2026 |
| Meuth Leonard B #142-021-31513 | Trivista Operating LLC | BastropSerbin (Taylor Sand) | ActiveOil | 5,450 | Oct 16, 1995 | 1 | Feb 2026 |
| Reyes A. #742-021-31502 | 4 a Rodenberg Heirs LLC | BastropCedar Creek | ActiveOil | 1,859 | Mar 15, 1995 | 1 | Jul 2026 |
| Behrens-Obrien #3 #342-021-31501 | Trivista Operating LLC | BastropSerbin (Taylor Sand) | ActiveOil | 5,448 | Mar 3, 1995 | 1 | Feb 2026 |
| Hilbig Oil Unit No. 1 #18HHZ42-021-80011 | Lower Colorado River Authority | BastropHilbig | ActiveGas Strg-Injection | 2,587 | Jun 23, 1994 | 1 | Jul 1993 |
| Hilbig Oil Unit No. 1 #15H42-021-80009 | Lower Colorado River Authority | BastropLentz | ActiveInjection | 3,845 | May 24, 1993 | 1 | Jul 1993 |
| Carter Gertrude (Trudy) #942-021-31459 | Trivista Operating LLC | BastropSerbin (Taylor Sand) | ActiveGas | 5,200 | Oct 29, 1992 | 1 | Jan 2026 |
| Olson R. H. #642-021-31457 | Meb LLC | BastropHighgrove (Austin Chalk) | ActiveOil | 2,050 | Oct 19, 1992 | 1 | Aug 2026 |
| Carter Gertrude (Trudy) #842-021-31451 | Trivista Operating LLC | BastropSerbin (Taylor Sand) | ActiveGas | 5,308 | Sep 2, 1992 | 1 | Jan 2026 |
| Reyes A. #642-021-31448 | 4 a Rodenberg Heirs LLC | BastropCedar Creek | ActiveOil | 1,785 | Aug 25, 1992 | 1 | Jul 2026 |
| Olson R. H. #542-021-31433 | Meb LLC | BastropHighgrove (Austin Chalk) | ActiveOil | 2,246 | May 5, 1992 | 1 | Aug 2026 |
| Reyes A. #542-021-31428 | 4 a Rodenberg Heirs LLC | BastropCedar Creek | ActiveOil | 1,815 | Jan 8, 1992 | 1 | Jul 2026 |
| Steglich J. C. #2A42-021-31425 | Sheldon Resources L.P. | BastropSerbin (Wilcox) | ActiveOil | 3,250 | Nov 14, 1991 | 1 | Aug 2026 |
| Orgain Heirs #242-021-31424 | 4 a Rodenberg Heirs LLC | BastropCedar Creek | ActiveOil | 1,798 | Oct 17, 1991 | 1 | Jul 2026 |
| Gloger M. J. #142-021-31419 | Trivista Operating LLC | BastropSerbin (Taylor Sand) | ActiveGas | 5,254 | Sep 10, 1991 | 1 | Mar 2025 |
| Hilbig Oil Unit No. 1 #4H42-021-31413 | Lower Colorado River Authority | BastropHilbig | ActiveGas Strg-Injection | 3,500 | Aug 29, 1991 | 1 | — |
| Hilbig Unit #5H42-021-31414 | Lower Colorado River Authority | BastropHilbig | ActiveGas Strg-Injection | 4,500 | Aug 29, 1991 | 1 | — |
| Hilbig Unit No. 1 #7H42-021-31415 | Lower Colorado River Authority | BastropHilbig | ActiveGas Strg-Withdrawal | 3,200 | Aug 29, 1991 | 1 | — |
| Hilbig Unit No. 1 #8H42-021-31416 | Lower Colorado River Authority | BastropHilbig | ActiveGas Strg-Withdrawal | 3,100 | Aug 29, 1991 | 1 | — |
| Hilbig Unit No. 1 #9H42-021-31417 | Lower Colorado River Authority | BastropHilbig | ActiveGas Strg-Withdrawal | 3,310 | Aug 29, 1991 | 1 | — |
| Hilbig Oil Unit No. 1 #6H42-021-31411 | Lower Colorado River Authority | BastropHilbig | ActiveGas Strg-Withdrawal | 3,170 | Aug 23, 1991 | 1 | Jul 1993 |
| Orgain Heirs #142-021-31405 | 4 a Rodenberg Heirs LLC | BastropCedar Creek | ActiveOil | 1,774 | Jul 26, 1991 | 1 | Jul 2026 |
| Reyes A. #442-021-31406 | 4 a Rodenberg Heirs LLC | BastropCedar Creek | ActiveOil | 1,845 | Jul 25, 1991 | 1 | Jul 2026 |
| Reyes A. #3SW42-021-31398 | 4 a Rodenberg Heirs LLC | BastropCedar Creek | ActiveInjection | 2,850 | Jun 10, 1991 | 2 | Jul 2026 |
| Behrens-O Brien #2 #242-021-31397 | Trivista Operating LLC | BastropSerbin (Taylor Sand) | ActiveOil | 5,336 | May 10, 1991 | 1 | Feb 2026 |
| Alexander E.C. #1G42-021-31390 | Meb LLC | BastropBateman (Austin Chalk) | ActiveOil | 2,381 | Apr 2, 1991 | 1 | Aug 2026 |
| Steinbach F #342-021-31381 | Digital Operating Company LLC | BastropSerbin (Taylor Sand) | ActiveGas | 5,362 | Jan 28, 1991 | 1 | Feb 2020 |
| Reyes A. #242-021-31382 | 4 a Rodenberg Heirs LLC | BastropCedar Creek | ActiveOil | 1,780 | Jan 21, 1991 | 1 | Jul 2026 |
| Hilbig Unit #1H42-021-31373 | Lower Colorado River Authority | BastropHilbig | ActiveGas Strg-Injection | 3,900 | Oct 11, 1990 | 1 | — |
| Hilbig Oil Unit No. 1 #3H42-021-31374 | Lower Colorado River Authority | BastropHilbig | ActiveGas Strg-Injection | 4,990 | Oct 11, 1990 | 1 | Jul 1993 |
| Hilbig Unit #2H42-021-31375 | Lower Colorado River Authority | BastropHilbig | ActiveGas Strg-Injection | 3,165 | Oct 11, 1990 | 1 | — |
| Carter Gertrude (Trudy) #742-021-31366 | Trivista Operating LLC | BastropSerbin (Taylor Sand) | ActiveGas | 5,100 | Sep 5, 1990 | 1 | Jan 2026 |
| Stancik Janice Kay #142-021-31362 | E P C Oil & Gas Inc. | BastropSerbin (Taylor Sand) | ActiveGas | 5,270 | Aug 24, 1990 | 1 | Aug 2026 |
| Carter Gertrude (Trudy) #642-021-31361 | Trivista Operating LLC | BastropSerbin (Taylor Sand) | ActiveGas | 5,014 | Aug 14, 1990 | 1 | Jan 2026 |
| O Brien L. F. et al Unit #142-021-31354 | Trivista Operating LLC | BastropSerbin (Taylor Sand) | ActiveGas | 7,101 | May 29, 1990 | 1 | Feb 2026 |
| Campbell et al #142-021-31352 | Trivista Operating LLC | BastropSerbin (Taylor Sand) | ActiveOil | 5,452 | Apr 25, 1990 | 1 | Feb 2026 |