| Kirby G-3-139792 | Hydrocarbon Operating, Inc. | Highbaugh (Consolidated) | Tyler | 1 | 93.1K | 2.19M | Jan 1993 – Apr 2003 |
| Borchers, Vivian G-2-132903 | Hydrocarbon Operating, Inc. | Benbow (Lower Wilcox A) | Lavaca | 1 | 70.8K | 5.96M | Jan 1993 – Apr 2026 |
| Arco Sanger Estate G-2-113560 | Hydrocarbon Operating, Inc. | Mountain View (Wilcox 10400) | Live Oak | 1 | 39.2K | 2.14M | Jan 1993 – Apr 2026 |
| Borchers, Vivian Unit et Al G-2-114619 | Hydrocarbon Operating, Inc. | Benbow (Lower Wilcox A) | Lavaca | 1 | 34.4K | 1.47M | Jan 1993 – Apr 2026 |
| Borchers, Vivian et Al G-2-128596 | Hydrocarbon Operating, Inc. | Benbow (Lower Wilcox A) | Lavaca | 1 | 34.1K | 1.29M | Jan 1993 – Mar 2026 |
| Roos Bennett B G-4-257356 | Hydrocarbon Operating, Inc. | Boyle (H-) | Starr | 1 | 33.5K | 319K | Aug 2010 – Sep 2025 |
| Kirby G-3-153697 | Hydrocarbon Operating, Inc. | Highbaugh (Consolidated) | Tyler | 1 | 29.4K | 775K | Jan 1995 – Mar 1998 |
| Borchers, Vivian et Al G-2-123397 | Hydrocarbon Operating, Inc. | Benbow (Lower Wilcox A) | Lavaca | 1 | 29.3K | 735K | Jan 1993 – Dec 2025 |
| Borchers, Vivian G-2-133395 | Hydrocarbon Operating, Inc. | Benbow (Lower Wilcox A) | Lavaca | 1 | 22.4K | 605K | Jan 1993 – Feb 2022 |
| Legacy Trust G-2-283279 | Hydrocarbon Operating, Inc. | Speaks, SW. (Wilcox -A-) | Lavaca | 1 | 16.8K | 715K | Jul 2017 – Mar 2026 |
| Looney Gas Unit G-2-294995 | Hydrocarbon Operating, Inc. | Theis, South(slick First) | Bee | 1 | 12.4K | 595K | Dec 2023 – Apr 2026 |
| Roos Bennett G-4-234611 | Hydrocarbon Operating, Inc. | Boyle, E. (3500) | Starr | 1 | 9.79K | 97.6K | Sep 2007 – Jan 2016 |
| Cranz G-2-118126 | Hydrocarbon Operating, Inc. | Speaks, SW. (Wilcox 11960) | Lavaca | 1 | 9.51K | 1.39M | Jan 1993 – Nov 2016 |
| Rabe Gas Unit G-2-167216 | Hydrocarbon Operating, Inc. | Normanna (Consolidated) | Bee | 1 | 7.94K | 918K | Dec 1997 – Dec 2019 |
| Looney G-2-295384 | Hydrocarbon Operating, Inc. | Norbee (Hockley 3700) | Bee | 1 | 7.82K | 212K | Jan 2024 – Apr 2026 |
| Borchers, Vivian G-2-118196 | Hydrocarbon Operating, Inc. | Benbow (Lower Wilcox A) | Lavaca | 1 | 7.3K | 155K | Jan 1993 – Jul 2020 |
| Borchers G-2-269114 | Hydrocarbon Operating, Inc. | Borchers (5700 Yegua) | Lavaca | 1 | 5.73K | 1.37M | Aug 2012 – Apr 2026 |
| Vivian Borchers Unit 2 G-2-245250 | Hydrocarbon Operating, Inc. | Benbow (Lower Wilcox A) | Lavaca | 1 | 5.54K | 732K | Nov 2007 – Jul 2024 |
| Borchers G-2-273424 | Hydrocarbon Operating, Inc. | Borchers (5700 Yegua) | Lavaca | 1 | 3.08K | 710K | Jan 2013 – Dec 2019 |
| Kirby G-3-139597 | Hydrocarbon Operating, Inc. | Highbaugh (Consolidated) | Tyler | 1 | 1.31K | 55.4K | Jan 1993 – Mar 1993 |
| Burditt G.U. G-4-172412 | Hydrocarbon Operating, Inc. | Petronilla (7475 Stray) | Nueces | 1 | 1.16K | 102K | Jan 1999 – Dec 2000 |
| Ray-Wilcox Gas Unit Campbell G-2-145442 | Hydrocarbon Operating, Inc. | Ray-Wilcox (Lower Massive) | Bee | 1 | 957 | 73K | Apr 1993 – Sep 1995 |
| Littlejohn Gas Unit No. 2 G-2-59835 | Hydrocarbon Operating, Inc. | Norbee (Slick) | Bee | 1 | 344 | 8.73K | Jan 1993 – Jan 1995 |
| Sanger Estate G-2-294713 | Hydrocarbon Operating, Inc. | Texam (Wilcox 7600) | Live Oak | 1 | 342 | 4.3K | Nov 2022 – Apr 2026 |
| Wood, Royce G-2-141079 | Hydrocarbon Operating, Inc. | Slick (Pettus) | De Witt | 1 | 104 | 57.8K | Jan 1993 – Apr 1995 |
| Worley Gas Unit G-2-138700 | Hydrocarbon Operating, Inc. | Emma Haynes (11,400 Wilcox) | Goliad | 1 | 25 | 22.2K | Jan 1993 – Apr 1995 |
| Borchers, Vivian G-2-212772 | Hydrocarbon Operating, Inc. | Esperanza (3150) | Lavaca | 1 | 4 | 814K | Mar 2005 – Apr 2015 |
| Borchers G-2-283569 | Hydrocarbon Operating, Inc. | Borchers (4160) | Lavaca | 1 | 0 | 13.6K | Aug 2017 – Jul 2019 |
| Goodrich-Poindexter Unit G-2-286947 | Hydrocarbon Operating, Inc. | Hope (Miocene 1500) | Lavaca | 1 | 0 | 131K | Apr 2018 – Jan 2022 |
| Pope G-2-287485 | Hydrocarbon Operating, Inc. | Hope (Miocene 2730) | Lavaca | 1 | 0 | 125K | Feb 2019 – Feb 2021 |
| Wood, A. S. G-2-134400 | Hydrocarbon Operating, Inc. | Slick (Yegua 4760) | De Witt | 1 | 0 | 0 | — |
| Schaefer, E.C. G-2-132549 | Hydrocarbon Operating, Inc. | Cottonwood Creek, S. (Frio 2300) | De Witt | 1 | 0 | 0 | — |
| Arco Sanger Estate G-2-296054 | Hydrocarbon Operating, Inc. | Mountain View, N. (8100) | Live Oak | 1 | 0 | 0 | — |
| Collier, A.P. -B- G-2-130764 | Hydrocarbon Operating, Inc. | Norbee (1250) | Bee | 1 | 0 | 0 | — |
| Borchers, Vivian Etal Unit 2 G-2-126099 | Hydrocarbon Operating, Inc. | Benbow (Lower Wilcox B) | Lavaca | 1 | 0 | 0 | — |
| Lincoln, W.P. 2345 G-4-148333 | Hydrocarbon Operating, Inc. | Big Cowboy (Wilcox 6200) | Webb | 1 | 0 | 2.72K | Nov 1993 – Dec 1993 |
| Lincoln, W.P. 2345 G-4-148335 | Hydrocarbon Operating, Inc. | Big Cowboy (Wilcox 6000) | Webb | 1 | 0 | 122K | Jan 1994 – May 1997 |
| Drushel, S. G. G-2-146731 | Hydrocarbon Operating, Inc. | Cordele (2850) | Jackson | 1 | 0 | 29.9K | Aug 1993 – Feb 1994 |
| Ray-Wilcox Unit G-2-120399 | Hydrocarbon Operating, Inc. | Ray-Wilcox (Slick) | Bee | 1 | 0 | 0 | — |
| Roos Bennett G-4-234613 | Hydrocarbon Operating, Inc. | Boyle (3400) | Starr | 1 | 0 | 112K | Sep 2007 – Nov 2015 |
| Pope G-2-259672 | Hydrocarbon Operating, Inc. | Hope (Frio 2950) | Lavaca | 1 | 0 | 385K | Jun 2010 – Jan 2019 |
| Borchers, Vivian G-2-115899 | Hydrocarbon Operating, Inc. | Benbow (Lower Wilcox B) | Lavaca | 1 | 0 | 0 | — |
| Goodrich-Poindexter Unit G-2-245914 | Hydrocarbon Operating, Inc. | Hope (Miocene 2730) | Lavaca | 1 | 0 | 372K | Jan 2009 – Mar 2018 |
| Algea Gas Unit G-2-137607 | Hydrocarbon Operating, Inc. | Orangedale (Massive, First) | Bee | 1 | 0 | 18.4K | Jan 1993 – Jun 1993 |