| Sanger Heirs 226 #142-297-36588 | Hydrocarbon Operating, Inc. | Live Oak, TX | Permitted | 8,000 | Jul 21, 2026 | — | — |
| Borchers #242-285-33640 | Hydrocarbon Operating Inc. | Lavaca, TXBorchers (2750) | ActiveGas | 6,160 | May 15, 2026 | — | — |
| Borchers #142-285-33676 | Hydrocarbon Operating Inc. | Lavaca, TXBorchers (2850) | PluggedGas | 6,200 | May 14, 2026 | — | — |
| Borchers Vivian et al #642-285-31972 | Hydrocarbon Operating Inc. | Lavaca, TXBorchers North (8050) | ActiveOil | 13,300 | Jan 26, 2026 | — | — |
| Arco Sanger Estate #242-297-33396 | Hydrocarbon Operating Inc. | Live Oak, TXMountain View N. (8100) | Shut inGas | 11,518 | Aug 24, 2023 | — | — |
| Sanger Estate #742-297-34189 | Hydrocarbon Operating Inc. | Live Oak, TXTexam (Wilcox 7600) | ActiveGas | 12,105 | Sep 22, 2022 | — | — |
| Looney Gas Unit #142-025-34023 | Hydrocarbon Operating Inc. | Bee, TXTheis South(slick First) | ActiveGas | 9,751 | Aug 25, 2022 | — | — |
| Looney #342-025-34024 | Hydrocarbon Operating Inc. | Bee, TXNorbee (Hockley 3700) | ActiveGas | 4,000 | Aug 25, 2022 | — | — |
| Vivian Borchers Etal Gas Unit 2 #1542-285-34144 | Hydrocarbon Operating Inc. | Lavaca, TXOtto-Ploeger (Yegua) | ActiveOil | 6,000 | Mar 18, 2020 | — | — |
| Goodrich-Poindexter Unit #0142-285-33384 | Hydrocarbon Operating Inc. | Lavaca, TXHope (Miocene 1500) | PluggedGas | 3,810 | Mar 14, 2019 | — | — |
| Pope #142-285-33386 | Hydrocarbon Operating Inc. | Lavaca, TXHope (Miocene 2730) | PluggedGas | 3,800 | Mar 13, 2019 | — | — |
| Borchers #0442-285-34025 | Hydrocarbon Operating Inc. | Lavaca, TXBorchers (4160) | PluggedGas | 4,400 | Jun 5, 2017 | — | — |
| Legacy Trust #0342-285-33992 | Hydrocarbon Operating Inc. | Lavaca, TXSpeaks SW. (Wilcox -A-) | ActiveGas | 10,105 | Sep 7, 2016 | — | — |
| Roos Bennett B #0142-427-34515 | Hydrocarbon Operating Inc. | Starr, TXBoyle (H-) | ActiveGas | 4,104 | Jun 14, 2010 | — | — |
| Vivian Borchers Unit 2 #1442-285-33416 | Hydrocarbon Operating Inc. | Lavaca, TXBenbow (Lower Wilcox A) | Temporarily abandonedGas | 12,800 | Aug 3, 2007 | — | — |
| Roos Bennett #1 T42-427-34134 | Hydrocarbon Operating Inc. | Starr, TXBoyle E. (3500) | PluggedGas | 6,000 | Jun 20, 2007 | — | — |
| Arco Sanger Estate #542-297-33580 | Hydrocarbon Operating Inc. | Live Oak, TXTexam E. (Chernosky) | Shut inOil | 11,000 | Dec 29, 2005 | — | — |
| Borchers Vivian #1042-285-33116 | Hydrocarbon Operating Inc. | Lavaca, TXEsperanza (3150) | PluggedGas | 4,050 | Nov 24, 2004 | — | — |
| Arco Fee #542-457-30468 | Hydrocarbon Operating Inc. | Tyler, TXHighbaugh (Wilcox a-2 Sand) | PluggedOil | 11,000 | Jun 30, 2003 | — | — |
| Sanger Estate a #942-297-34327 | Hydrocarbon Operating Inc. | Live Oak, TXMountain View (Wilcox 9350) | Shut inOil | 9,515 | Jul 2, 1999 | — | — |
| Burditt G.U. #142-355-33133 | Hydrocarbon Operating Inc. | Nueces, TXPetronilla (7475 Stray) | PluggedGas | 8,425 | Nov 18, 1998 | — | — |
| Kirby #442-457-30488 | Hydrocarbon Operating Inc. | Tyler, TXHighbaugh (Consolidated) | Temporarily abandonedGas | 9,916 | May 11, 1998 | — | — |
| Rabe Gas Unit #142-025-32799 | Hydrocarbon Operating Inc. | Bee, TXNormanna (Consolidated) | Temporarily abandonedGas | 9,650 | Jan 9, 1997 | — | — |
| Wood Royce #142-123-30115 | Hydrocarbon Operating Inc. | De Witt, TXSlick (Pettus) | PluggedGas | 7,700 | Feb 19, 1992 | — | — |
| Wood A. S. #242-123-00471 | Hydrocarbon Operating Inc. | De Witt, TXSlick (Yegua 4760) | PluggedGas | 7,625 | Feb 20, 1990 | — | — |
| Borchers Vivian #542-285-31940 | Hydrocarbon Operating Inc. | Lavaca, TXBenbow (Lower Wilcox A) | Temporarily abandonedGas | 13,300 | Dec 13, 1989 | — | — |
| Schaefer E.C. #142-123-30872 | Hydrocarbon Operating Inc. | De Witt, TXCottonwood Creek S. (Frio 2300) | PluggedGas | 5,500 | Oct 23, 1989 | — | — |
| Borchers Vivian #242-285-31871 | Hydrocarbon Operating Inc. | Lavaca, TXBenbow (Lower Wilcox A) | ActiveGas | 13,185 | Sep 6, 1989 | — | — |
| Borchers Vivian Etal Unit 2 #742-285-31992 | Hydrocarbon Operating Inc. | Lavaca, TXBenbow (Lower Wilcox B) | Temporarily abandonedGas | 13,226 | Feb 16, 1989 | — | — |
| Collier A.P. -B- #142-025-02718 | Hydrocarbon Operating Inc. | Bee, TXNorbee (1250) | PluggedGas | 3,751 | Nov 10, 1988 | — | — |
| Borchers Vivian et al #842-285-32016 | Hydrocarbon Operating Inc. | Lavaca, TXBenbow (Lower Wilcox A) | ActiveGas | 13,200 | Mar 11, 1988 | — | — |
| Borchers Vivian #442-285-31918 | Hydrocarbon Operating Inc. | Lavaca, TXBenbow (Lower Wilcox A) | PluggedGas | 14,000 | May 20, 1985 | — | — |
| Ray-Wilcox Unit #142-025-00837 | Hydrocarbon Operating Inc. | Bee, TXRay-Wilcox (Slick) | PluggedGas | 8,264 | Apr 29, 1985 | — | — |
| Cranz #1442-285-31903 | Hydrocarbon Operating Inc. | Lavaca, TXSpeaks SW. (Wilcox 11960) | PluggedGas | 14,000 | Mar 25, 1985 | — | — |
| Arco Sanger Estate #342-297-33466 | Hydrocarbon Operating Inc. | Live Oak, TXMountain View (Wilcox 10400) | ActiveGas | 11,500 | Aug 1, 1984 | — | — |
| Borchers Vivian Unit et al #142-285-31834 | Hydrocarbon Operating Inc. | Lavaca, TXBenbow (Lower Wilcox A) | ActiveGas | 12,173 | Jun 26, 1984 | — | — |
| Littlejohn Gas Unit No. 2 #142-025-02531 | Hydrocarbon Operating Inc. | Bee, TXNorbee (Slick) | PluggedGas | — | — | — | — |