| Merchant Operators Fee G-3-138156 | Quail Creek Oil Corporation only | Merchant (Consolidated) | Liberty | 1 | 274K | 472K | by Jan 1993 – Aug 2026 |
| Bewley G-13-274311 | Eleon Operators, LLC only | Newark, East (Barnett Shale) | Cooke | 1 | 33.5K | 344K | Oct 2007 – Feb 2018 |
| Bewley G-13-274312 | Eleon Operators, LLC only | Newark, East (Barnett Shale) | Cooke | 1 | 27.6K | 330K | May 2008 – Jul 2019 |
| Intercoastal Farms Unit G-1-173827 | 1776 Energy Operators, LLC only | Pearsall (Austin Chalk) | Dimmit | 1 | 27.1K | 88.3K | Feb 1999 – Mar 2011 |
| Hogg Heirs GU #1 G-6-167191 | Oily Dog Operators Texas, LLC only | Cedar Springs (Cotton Valley UP) | Upshur | 1 | 26.3K | 959K | Feb 1998 – Aug 2017 |
| Hartman G-13-272030 | Eleon Operators, LLC only | Newark, East (Barnett Shale) | Montague | 1 | 21.9K | 89.4K | Dec 2007 – Apr 2015 |
| Mangel G-4-168182 | Stonegate Operators, Inc. only | Alta Mesa East (Loma Blanca) | Brooks | 1 | 14.7K | 701K | Feb 1998 – Oct 2003 |
| Hamilton Fee G-2-200210 | A.O.E. Operators, Inc. only | Ehf (Wilcox 8600) | Victoria | 1 | 13.3K | 1.04M | Nov 2003 – Jan 2009 |
| Lacy Heirs GU 1 G-6-190504 | Oily Dog Operators Texas, LLC only | Cedar Springs (Cotton Valley UP) | Upshur | 1 | 9.07K | 486K | May 2002 – Aug 2017 |
| Newton-Welder GU G-2-189428 | A.O.E. Operators, Inc. only | Wayno Bueno (Wilcox Massive) | Goliad | 1 | 7.44K | 441K | May 2001 – Jul 2008 |
| Briscoe "E" G-4-121649 | Pacific Operators, Inc. only | Gold River, North (Olmos) | Webb | 1 | 5.08K | 76.6K | by Jan 1993 – Feb 1997 |
| Woodard G-13-89763 | Oilwell Operators, Inc. only | Cree (4700 Conglomerate) | Young | 1 | 4.84K | 291K | by Jan 1993 – Aug 2026 |
| Albrecht, P. A. G-2-74282 | A.O.E. Operators, Inc. only | Boyce (Recklaw) | Goliad | 1 | 1.09K | 146K | by Jan 1993 – May 2010 |
| Lewis, D.A. G-6-211508 | Oil Patch Operators Co., L.L.C. only | Rodessa (Dees Young) | Cass | 1 | 809 | 13.8K | Jun 2005 – Jul 2026 |
| Farrier, W. G. G-6-16625 | Oil Patch Operators Co., L.L.C. only | Rodessa (Hill 5800) | Cass | 1 | 343 | 159K | by Jan 1993 – Jul 2026 |
| Taylor Ranch /WHT/ G-14-50540 | Oilwell Operators, Inc. only | Panhandle, West | Gray | 1 | 325 | 239K | by Jan 1993 – Aug 2026 |
| Collette, W.T. "B" G-6-128544 | Oil Patch Operators Co., L.L.C. only | Rodessa (Dees Young) | Cass | 1 | 316 | 135K | by Jan 1993 – Jul 2026 |
| Hall, E.E. G-6-211505 | Oil Patch Operators Co., L.L.C. only | Rodessa (Dees Young) | Cass | 1 | 288 | 16.9K | Jun 2005 – Jul 2026 |
| Hustead Unit G-5-76533 | Eleon Operators, LLC only | Malakoff, South (Travis Peak) | Henderson | 1 | 208 | 203K | by Jan 1993 – Aug 2026 |
| Pettus G-2-250868 | A.O.E. Operators, Inc. only | Dial (Luling) | Goliad | 1 | 177 | 13.4K | Jun 2009 – Aug 2009 |
| Skinner, Alline G-6-16626 | Oil Patch Operators Co., L.L.C. only | Rodessa (Hill 5800) | Cass | 1 | 161 | 97.2K | by Jan 1993 – Jul 2026 |
| Sunray Bowers G-14-25322 | Oilwell Operators, Inc. only | Panhandle, West | Gray | 1 | 153 | 516K | Oct 1994 – Aug 2026 |
| Briscoe -A- G-1-80746 | Pacific Operators, Inc. only | Catarina, SW. (San Miguel-Gas) | Webb | 1 | 113 | 4.04K | by Jan 1993 – Oct 1995 |
| Foote G-8-116895 | Tarrant Operators, Inc. only | Mittie (Marble Falls) | Comanche | 1 | 30 | 791 | by Jan 1993 – May 1993 |
| Briscoe "E" G-4-111498 | Pacific Operators, Inc. only | Gold River, North (Olmos) | Webb | 1 | 11 | 13.7K | by Jan 1993 – Jun 1995 |
| Schorre Unit G-2-207871 | A.O.E. Operators, Inc. only | Cook, S. (Wilcox, Lo. 10,850) | De Witt | 1 | 7 | 4.37K | Oct 2004 – Aug 2005 |
| De Arman "a" Unit G-5-280239 | Eleon Operators, LLC only | Malakoff, South (Travis Peak) | Henderson | 1 | 5 | 4.34K | Aug 2015 – Apr 2017 |
| Ford, Marie Welder G-2-116350 | A.O.E. Operators, Inc. only | Rob Welder (5350) | Victoria | 1 | 1 | 54.8K | by Jan 1993 – Dec 2007 |
| Briscoe -A- G-1-75760 | Pacific Operators, Inc. only | Catarina, SW. (Olmos) | Webb | 1 | 0 | 0 | — |
| Briscoe "A" G-1-88335 | Pacific Operators, Inc. only | Catarina, SW. (Olmos) | Webb | 1 | 0 | 0 | — |
| Capps, Ella G-1-117542 | Pacific Operators, Inc. only | Bear Salt (San Miguel) | Zavala | 1 | 0 | 2.25K | by Jan 1993 – Oct 1995 |
| Flowers and Ward "B" G-1-117544 | Pacific Operators, Inc. only | Buck Hill (Escondido) | Zavala | 1 | 0 | 0 | — |
| Flowers & Ward "A" G-1-119041 | Pacific Operators, Inc. only | Buck Hill (Olmos) | Zavala | 1 | 0 | 0 | — |
| Beken (Deep) G-2-67275 | P.E.C.I. Operators, Inc. only | Speaks, SW. (Wilcox -E-) | Lavaca | 1 | 0 | 0 | — |
| Stovall G-2-68602 | P.E.C.I. Operators, Inc. only | Speaks, SW. (1250) | Lavaca | 1 | 0 | 0 | — |
| Stovall G-2-71333 | P.E.C.I. Operators, Inc. only | Speaks, SW. (2000) | Lavaca | 1 | 0 | 0 | — |
| Beken G-2-71655 | P.E.C.I. Operators, Inc. only | Speaks, SW. (1300) | Lavaca | 1 | 0 | 0 | — |
| Beken G-2-72638 | P.E.C.I. Operators, Inc. only | Speaks, SW. (1250) | Lavaca | 1 | 0 | 0 | — |
| Welder Heirs G-2-72969 | Pacific Operators, Inc. only | Live Oak Lake (4780) | Goliad | 1 | 0 | 106K | by Jan 1993 – Jun 1996 |
| Beken G-2-78417 | P.E.C.I. Operators, Inc. only | Speaks, SW. (1250) | Lavaca | 1 | 0 | 0 | — |
| Trull G-2-78418 | P.E.C.I. Operators, Inc. only | Speaks, SW. (1250) | Lavaca | 1 | 0 | 0 | — |
| Stovall -O- G-2-92810 | P.E.C.I. Operators, Inc. only | Speaks, SW. (2180) | Lavaca | 1 | 0 | 0 | — |
| Robertson G-2-114527 | P.E.C.I. Operators, Inc. only | Speaks, SW. (1250) | Lavaca | 1 | 0 | 0 | — |
| Beken G-2-120369 | P.E.C.I. Operators, Inc. only | Speaks, SW. (Wilcox -E-) | Lavaca | 1 | 0 | 0 | — |
| Hamilton Fee G-2-199061 | A.O.E. Operators, Inc. only | Ehf (Wilcox 8600) | Victoria | 1 | 0 | 129K | May 2003 – Apr 2007 |
| Welder G-2-229881 | A.O.E. Operators, Inc. only | Matagorda Bay (1300) | Calhoun | 1 | 0 | 92.2K | Jun 2007 – Feb 2010 |
| Gonzales, B. P., Unit -A- G-4-43267 | Stonegate Operators, Inc. only | Kelsey, South (Clark, Up.) | Starr | 1 | 0 | 0 | — |
| Gonzales, B.P., Unit -A- G-4-60501 | Stonegate Operators, Inc. only | Kelsey, South (6080) | Starr | 1 | 0 | 0 | — |
| Gonzales, B.P. Unit -A- G-4-61298 | Stonegate Operators, Inc. only | Kelsey, South (5350) | Starr | 1 | 0 | 0 | — |
| Briscoe "E" G-4-90022 | Pacific Operators, Inc. only | Gold River, North (Olmos) | Webb | 1 | 0 | 66 | Sep 1995 – Oct 1995 |