| Davis, J. H. P. Estate O-3-4625 | P.o.&g. Operating, LLC only | Thompson, SE. (Frio) | Fort Bend | 18 | 5.06M | 3.06M | by Jan 1993 – Aug 2026 |
| Lockwood & Sharp -A- O-3-4116 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 62 | 4.14M | 4.19M | by Jan 1993 – Aug 2026 |
| Lockwood, H. P. O-3-4114 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 44 | 3.96M | 3.89M | by Jan 1993 – Aug 2026 |
| Booth, F. I., Etal -A- O-3-4099 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 65 | 3.38M | 2.56M | by Jan 1993 – Aug 2026 |
| Myers, A. E. O-3-4106 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 44 | 2.24M | 2.19M | by Jan 1993 – Aug 2026 |
| Lockwood & Sharp -B- O-3-4118 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 52 | 1.85M | 1.5M | by Jan 1993 – Aug 2026 |
| North Thompson Unit O-3-24289 | McGowan Working Partners, Inc. only | Thompson, North | Fort Bend | 39 | 1.76M | 252K | Jan 2003 – Aug 2026 |
| Davis, J. H. P., Est. O-3-4155 | Jetta Operating Company, Inc. only | Thompson, S. (4400 Sand) | Fort Bend | 17 | 1.63M | 590K | by Jan 1993 – Oct 2003 |
| Moore, J. M. et Al O-3-7404 | CML Exploration, LLC only | Moores Orchard (Mio. & Frio) | Fort Bend | 26 | 1.47M | 1.41M | by Jan 1993 – Aug 2026 |
| West-Schenck "B" O-3-24423 | Blue Ridge Operating LLC only | Blue Ridge | Fort Bend | 119 | 1.41M | 47 | Sep 2003 – Aug 2026 |
| Booth, T. R. O-3-4100 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 35 | 1.31M | 993K | by Jan 1993 – Aug 2026 |
| Cosmonaut O-3-24183 | Cobra Oil & Gas Corporation only | Cosmonaut (Lower Vicksburg) | Fort Bend | 1 | 1.28M | 2.06M | Jun 2002 – Aug 2026 |
| George, A. P. -A- O-3-4110 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 13 | 1.14M | 700K | by Jan 1993 – Aug 2026 |
| Davis, T. W. O-3-365 | Hamman Oil & Refining Company only | Big Creek | Fort Bend | 96 | 1.14M | 284K | by Jan 1993 – Aug 2026 |
| Moore, J.M. O-3-20751 | Vanco Oil & Gas Corp. only | Moores Orchard, E. (Yegua 2) | Fort Bend | 9 | 1.04M | 418K | by Jan 1993 – Feb 2020 |
| Davis, J.H.P. O-3-4154 | P.o.&g. Operating, LLC only | Thompson, South | Fort Bend | 33 | 1.01M | 986K | by Jan 1993 – Aug 2026 |
| Schindler O-3-25246 | Horizon Prod. and Operating, LLC only | Riverstone (Yegua EY-1) | Fort Bend | 1 | 982K | 1.32M | Aug 2008 – Jul 2026 |
| Gubbels, Mary Mrs. O-3-4112 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 17 | 960K | 830K | by Jan 1993 – Jan 2024 |
| Moore O-3-15636 | CML Exploration, LLC only | Moores Orchard (Yegua 3) | Fort Bend | 6 | 727K | 525K | by Jan 1993 – Aug 2026 |
| Wolters, R. A., Etal -B- O-3-4153 | Jetta Operating Company, Inc. only | Thompson, S. (4400 Sand) | Fort Bend | 6 | 655K | 426K | by Jan 1993 – Sep 2003 |
| George, A. P. O-3-4111 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 10 | 496K | 499K | by Jan 1993 – Aug 2026 |
| Cities Service Fee O-3-11006 | Blue Ridge Operating LLC only | Blue Ridge | Fort Bend | 44 | 485K | 2.71K | by Jan 1993 – Aug 2026 |
| Robinson O-3-23125 | ZK Petroleum Co., L.L.C. only | Blue Ridge | Fort Bend | 22 | 479K | 1.98K | Nov 1996 – Aug 2026 |
| Wolters, R. A., Etal O-3-4158 | Jetta Operating Company, Inc. only | Thompson, S. (4400 Sand) | Fort Bend | 7 | 462K | 244K | by Jan 1993 – Oct 2003 |
| Rice, B. Jr. et Al O-3-20726 | Mercantile Oil & Gas Prod. Corp. only | Blue Ridge | Fort Bend | 8 | 438K | 37 | by Jan 1993 – Oct 2015 |
| Wolters, R.A. NCT-1 O-3-22858 | McGowan Working Partners, Inc. only | Thompson | Fort Bend | 7 | 414K | 89.6K | Jan 1997 – Aug 2026 |
| Gordon O-3-25694 | Blue Ridge Operating LLC only | Blue Ridge | Fort Bend | 45 | 391K | 0 | Apr 2011 – Aug 2026 |
| Davis, J. H. P., Estate O-3-6125 | Jetta Operating Company, Inc. only | Thompson, Southeast (Frio, Up.) | Fort Bend | 7 | 387K | 279K | by Jan 1993 – Oct 2003 |
| Blakely -C- O-3-6492 | Blue Ridge Operating LLC only | Blue Ridge | Fort Bend | 47 | 354K | 24 | by Jan 1993 – Aug 2026 |
| Davis O-3-25250 | Hamman Oil & Refining Company only | Big Creek | Fort Bend | 12 | 332K | 137K | Feb 2008 – Mar 2024 |
| Hatfield, Eva O-3-763 | Lewis Operating Company only | Clodine | Fort Bend | 3 | 303K | 52.8K | by Jan 1993 – Aug 2026 |
| Mercury Gas Unit O-3-23811 | Cobra Oil & Gas Corporation only | Gemini (Vicksburg) | Fort Bend | 1 | 300K | 650K | Mar 2000 – Aug 2026 |
| Browder-State AU-1 Gas Unit O-3-24666 | Lakeshore Operating, LLC only | Smithers Lake (Yegua LWR AU) | Fort Bend | 2 | 279K | 1.55M | Aug 2004 – Aug 2026 |
| Moore, J.M. O-3-16959 | CML Exploration, LLC only | Moores Orchard, NE. (Yegua 3) | Fort Bend | 4 | 275K | 380K | by Jan 1993 – Aug 2026 |
| Wolters, R. A., Etal O-3-4157 | P.o.&g. Operating, LLC only | Thompson, South | Fort Bend | 10 | 267K | 276K | Oct 1999 – Aug 2026 |
| Lockwood, H. P. O-3-6347 | Jetta Operating Company, Inc. only | Thompson (Miocene 11 Seg 4) | Fort Bend | 3 | 255K | 121K | by Jan 1993 – Oct 2003 |
| Nelson, C. C. O-3-4063 | Atlas Oil & Gas Exploration, LLC only | Sugarland | Fort Bend | 23 | 251K | 466K | by Jan 1993 – Nov 2001 |
| Blakey O-3-23688 | ZK Petroleum Co., L.L.C. only | Blue Ridge | Fort Bend | 17 | 242K | 613 | Jul 1999 – Aug 2025 |
| Gemini Gas Unit O-3-23756 | Cobra Oil & Gas Corporation only | Gemini (Vicksburg) | Fort Bend | 1 | 242K | 1.78M | Sep 1999 – Jun 2010 |
| Dorrance, J. K. & Wing, W. G. O-3-762 | Lewis Operating Company only | Clodine | Fort Bend | 1 | 241K | 53.1K | by Jan 1993 – Aug 2026 |
| Wolters, R. A. Etal -B- O-3-4152 | P.o.&g. Operating, LLC only | Thompson, South | Fort Bend | 10 | 231K | 224K | Oct 2003 – Aug 2026 |
| Moore, J. M., Etal O-3-3092 | CML Exploration, LLC only | Moores Orchard | Fort Bend | 21 | 231K | 499K | by Jan 1993 – Dec 2008 |
| Double Eagle Ranch "A" O-3-21751 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fort Bend | 2 | 211K | 313K | by Jan 1993 – Aug 2026 |
| Moore, J.M. et Al O-3-20341 | CML Exploration, LLC only | Moores Orchard (Yegua 2A) | Fort Bend | 1 | 205K | 192K | by Jan 1993 – Aug 2026 |
| Gubbels, F. Etal O-3-4103 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 8 | 202K | 218K | by Jan 1993 – Nov 2011 |
| Caldwell Unit O-3-23843 | Cobra Oil & Gas Corporation only | Andromeda (Lower Vicksburg) | Fort Bend | 1 | 195K | 455K | Apr 2000 – Oct 2007 |
| Lockwood & Sharp -A- O-3-23075 | Jetta Operating Company, Inc. only | Thompson (Miocene 10 Seg 4) | Fort Bend | 1 | 181K | 51.2K | Sep 1996 – Oct 2003 |
| Myers, A.E. O-3-22719 | Jetta Operating Company, Inc. only | Thompson (Miocene 11 Seg 13-A) | Fort Bend | 2 | 172K | 35.7K | Feb 1995 – Oct 2003 |
| Blakely E O-3-21225 | Blue Ridge Operating LLC only | Blue Ridge | Fort Bend | 16 | 166K | 13 | May 1993 – Dec 2024 |
| Middlebrook O-3-23109 | Atlas Operating LLC only | Needville | Fort Bend | 3 | 157K | 321K | Oct 1996 – Aug 2026 |