| Johnson Gbsa Unit O-10-15427 | OXY USA WTP LP only | Johnson | Ector | 286 | 5.34M | 3.57M | by Jan 1993 – Aug 2026 |
| Johnson Deep Unit O-10-22784 | OXY USA Inc. only | Johnson (Holt) | Ector | 21 | 3.04M | 949K | by Jan 1993 – Aug 2026 |
| Johnson, J. L. -31- O-10-21835 | Basin Oil & Gas Operating, LLC only | Foster | Ector | 29 | 2.31M | 488K | by Jan 1993 – Aug 2026 |
| Foster-Johnson Unit O-10-16793 | Aghorn Operating, Inc. only | Foster | Ector | 161 | 2.18M | 645K | by Jan 1993 – Jun 2026 |
| Johnson Deep Unit O-10-23029 | OXY USA Inc. only | Johnson (Glorieta) | Ector | 14 | 1.61M | 378K | by Jan 1993 – Aug 2026 |
| Johnson, J. L. -AB- O-10-18883 | GL Energy Operating LLC only | Johnson | Ector | 97 | 1.51M | 1.04M | by Jan 1993 – Aug 2026 |
| Johnson, J. L. -B- O-10-35696 | GL Energy Operating LLC only | Johnson | Ector | 52 | 764K | 460K | Feb 1998 – Aug 2026 |
| JOHNSON,J.L."38" O-10-23134 | Aghorn Operating, Inc. only | Johnson (Holt) | Ector | 7 | 755K | 168K | by Jan 1993 – Jun 2026 |
| Johnson -B-36- O-10-31640 | OXY USA Inc. only | Cowden, North (Canyon) | Ector | 7 | 690K | 506K | by Jan 1993 – Aug 2026 |
| Goldsmith, C. A. Etal O-10-3441 | Hilcorp Energy Company only | Lawson (San Andres) | Ector | 48 | 617K | 1.07M | by Jan 1993 – Aug 2026 |
| Johnson, J. L., Unit O-10-19081 | O'Ryan Oil and Gas only | Foster | Ector | 41 | 568K | 169K | by Jan 1993 – Aug 2026 |
| Johnson,j.l."h" O-10-23207 | OXY USA Inc. only | Johnson (Glorieta) | Ector | 3 | 525K | 89K | by Jan 1993 – Aug 2026 |
| Johnson, J. L. "B" O-10-23320 | BP America Production Company only | Johnson | Ector | 60 | 462K | 471K | by Jan 1993 – Mar 2003 |
| Henderson, F.A. -B- O-10-30167 | Exxon Mobil Corporation only | Cowden, South (Canyon 8790) | Ector | 2 | 453K | 480K | by Jan 1993 – Jun 2002 |
| Johnson, Lyda Mae O-10-21686 | Momentum Energy Corporation only | Foster | Ector | 3 | 451K | 28.3K | by Jan 1993 – Aug 2026 |
| Johnson, J. L., Jr. Unit /EO/ O-10-1158 | Crescent Energy Operating, LLC only | Donnelly (Holt) | Ector | 12 | 442K | 255K | by Jan 1993 – Aug 2026 |
| TXL -WW- O-10-17917 | Burleson Petroleum, Inc. only | Harper (Ellenburger) | Ector | 1 | 368K | 316K | by Jan 1993 – Aug 2026 |
| Allison O-10-43230 | Scout Energy Management LLC only | Goldsmith (Clear Fork) | Ector | 10 | 356K | 2.67M | Nov 2012 – Aug 2026 |
| JOHNSON,J.L."38" O-10-23143 | Aghorn Operating, Inc. only | Johnson (Glorieta) | Ector | 5 | 314K | 61K | by Jan 1993 – Feb 2000 |
| Fraser, Geo. C. O-10-18018 | Burleson Petroleum, Inc. only | Harper (Ellenburger) | Ector | 2 | 311K | 167K | by Jan 1993 – Aug 2026 |
| Williamson San Andres Unit O-10-23996 | Baker Operating, Inc. only | Goldsmith, W. (San Andres) | Ector | 27 | 302K | 812K | by Jan 1993 – Aug 2026 |
| Williamson, J.M. O-10-41797 | Aghorn Operating, Inc. only | Martin (Consolidated) | Ector | 23 | 287K | 511K | Aug 2011 – Jun 2026 |
| Sinclair-Connell O-10-18773 | Aghorn Operating, Inc. only | Sonny B (Wolfcamp) | Ector | 1 | 270K | 26.2K | by Jan 1993 – Jun 2026 |
| TXL O-10-9280 | Burleson Petroleum, Inc. only | Harper | Ector | 5 | 254K | 125K | by Jan 1993 – Aug 2026 |
| Johnson, J. L. "B" O-10-23300 | GL Energy Operating LLC only | Johnson (Holt) | Ector | 19 | 241K | 143K | by Jan 1993 – Aug 2026 |
| Henderson, E. A. O-10-28431 | Laguna Petroleum Corporation only | Cowden, South (Canyon 8790) | Ector | 2 | 234K | 332K | by Jan 1993 – Feb 2013 |
| TXL 44-5 O-10-27070 | Grama Operating, LLC only | Lawson (San Andres) | Ector | 2 | 230K | 479K | by Jan 1993 – Aug 2026 |
| Williamson, J. M. "A" O-10-33083 | Raptor Resources, Inc. only | Goldsmith, W. (San Andres) | Ector | 6 | 200K | 228K | by Jan 1993 – Aug 2026 |
| Williams, Joseph G. O-10-28664 | Stetson Petroleum Corp. only | Yarbrough & Allen (Wolfcamp) | Ector | 2 | 198K | 40.3K | by Jan 1993 – Jul 2026 |
| Johnson, Lyda Mae O-10-902 | Vision Natural Resources, LP only | Cowden, South | Ector | 6 | 187K | 111K | by Jan 1993 – Aug 2026 |
| Johnson, J. L. "P" O-10-24176 | Aghorn Operating, Inc. only | Johnson | Ector | 12 | 178K | 132K | by Jan 1993 – Jun 2026 |
| Johnson, J.L. "O" O-10-24071 | GL Energy Operating LLC only | Johnson | Ector | 8 | 171K | 143K | by Jan 1993 – Aug 2026 |
| Fraser, George C. "B" O-10-36214 | Burleson Petroleum, Inc. only | Harper (Strawn) | Ector | 1 | 171K | 282K | Mar 2000 – Aug 2026 |
| TXL-M- O-10-28206 | Grama Operating, LLC only | Lawson (San Andres) | Ector | 4 | 168K | 272K | by Jan 1993 – Aug 2026 |
| Jason O-10-42490 | Scout Energy Management LLC only | Goldsmith (Clear Fork) | Ector | 11 | 160K | 1.04M | Mar 2012 – Aug 2026 |
| Johnson O-10-14920 | Unitex Oil & Gas, L.L.C. only | Donnelly, North (Grayburg) | Ector | 7 | 155K | 263K | by Jan 1993 – Aug 2026 |
| Johnson 31 O-10-43446 | Sahara Operating Company only | Cowden, North (Canyon) | Ector | 1 | 155K | 50K | May 2012 – Jul 2026 |
| Johnson, J.L. -31- O-10-30599 | Basin Oil & Gas Operating, LLC only | Cowden, South (Canyon 8790) | Ector | 2 | 154K | 100K | by Jan 1993 – Aug 2026 |
| Williamson, Jessie O-10-36547 | Baker Operating, Inc. only | TXL (Devonian) | Ector | 2 | 150K | 433K | Sep 1999 – Aug 2026 |
| JOHNSON"35" O-10-23200 | Par Development only | Johnson (Holt) | Ector | 1 | 144K | 8.49K | by Jan 1993 – Aug 2026 |
| Johnson, J. L. O-10-1554 | Aghorn Operating, Inc. only | Foster | Ector | 14 | 111K | 17.5K | by Jan 1993 – Jun 2026 |
| Johnson, J. L., Jr. Unit /EO/ O-10-1160 | Crescent Energy Operating, LLC only | Donnelly (San Andres) | Ector | 14 | 106K | 53.5K | by Jan 1993 – Jan 2024 |
| Johnson, J.L. "O" O-10-30807 | OXY USA Inc. only | Cowden, North (Canyon) | Ector | 5 | 104K | 19.9K | by Jan 1993 – Aug 2026 |
| Henderson, W. B. "C" O-10-23284 | Henderson, Bryan, Co. only | Cowden, South (Canyon 8790) | Ector | 2 | 102K | 53.8K | by Jan 1993 – Apr 2008 |
| Anderson, C. H. C. O-10-8613 | Hilcorp Energy Company only | Yarbrough & Allen (Devonian) | Ector | 4 | 97.2K | 47.6K | by Jan 1993 – Aug 2026 |
| TXL -G- O-10-16060 | Formentera Operations LLC only | Lawson (San Andres) | Ector | 2 | 97K | 312K | by Jan 1993 – Nov 2021 |
| Johnson,j.l."h" O-10-23228 | OXY USA Inc. only | Johnson (Holt) | Ector | 3 | 95.5K | 40.7K | by Jan 1993 – Aug 2026 |
| Mobil - Henderson O-10-33682 | Mulloy Operating, Inc. only | Edwards | Ector | 7 | 92.7K | 64K | by Jan 1993 – Aug 2026 |
| Henderson, W. B. "C" O-10-37940 | Henderson, Bryan, Co. only | Cowden, South | Ector | 4 | 81.1K | 59.4K | May 2006 – Aug 2026 |
| Williamson, Jessie Mae O-10-31654 | Baker Operating, Inc. only | G & W (Wolfcamp) | Ector | 1 | 81K | 126K | by Jan 1993 – Aug 2026 |