| Salt Creek Field Unit O-11-5254 | OXY USA WTP LP | Salt Creek | 544 | 140M | 285M | by Jan 1993 – Aug 2026 |
| Cogdell Canyon Reef Unit O-11-8325 | Occidental Permian Ltd. | Cogdell (Area) | 517 | 49.5M | 96.2M | by Jan 1993 – Aug 2026 |
| Maben Cisco Unit O-11-68530 | Sojourner Drilling Corporation | Maben (Cisco) | 20 | 805K | 221K | Mar 2003 – Jul 2026 |
| Godfrey "B" O-11-64889 | Basa Resources, Inc. | Michelle Kay (Cisco) | 10 | 629K | 239K | by Jan 1993 – Aug 2026 |
| P.L. Fuller NCT-1 O-11-70306 | Occidental Permian Ltd. | Fuller (Strawn -B- ) | 4 | 488K | 139K | May 2014 – Aug 2026 |
| Morrison O-11-61448 | Knox Industries, Inc. | Lyn Kay (6150) | 5 | 468K | 23.7K | by Jan 1993 – Aug 2026 |
| Wallace O-11-67285 | Three Span Oil & Gas, Inc. | Rojo Canyon (Strawn) | 2 | 435K | 300K | Aug 1994 – Aug 2026 |
| Maben, E. L. O-11-66375 | Sojourner Drilling Corporation | Maben (Cisco) | 6 | 381K | 171K | by Jan 1993 – Feb 2003 |
| Long-Hall Unit O-11-69837 | Halliburton Operating Company | Long-Hall (Tannehill) | 10 | 359K | 0 | Apr 2012 – Aug 2026 |
| Double Mountain 37 O-11-69302 | Sharp Image Energy, Inc. | Spires | 1 | 347K | 49K | Jul 2008 – Aug 2026 |
| Strayhorn, D. P. O-11-19146 | Brown, Geo. R Partnership,lp,the | Fullerville, NE. (San Andres) | 8 | 327K | 115 | by Jan 1993 – Aug 2026 |
| Hayley O-11-69562 | Halliburton Operating Company | Hal-Long (Tannehill) | 2 | 295K | 0 | May 2010 – Aug 2026 |
| Jones, Percy Estate, Tr. 6 O-11-68516 | Three Span Oil & Gas, Inc. | Salt Creek, South (Penn., Lower) | 2 | 279K | 72.9K | Nov 2002 – Aug 2026 |
| Mays Trust "B" O-11-66354 | Sweet Crude Operating LLC | Clairemont, SW. (Mays) | 4 | 273K | 37.7K | by Jan 1993 – Aug 2026 |
| Cogdell "A" O-11-62893 | D & D Enterprises | Cogdell (San Andres) | 67 | 261K | 1.71K | by Jan 1993 – Jun 2025 |
| Jones, Percy, Estate Tr. 6-B O-11-5256 | Three Span Oil & Gas, Inc. | Salt Creek, South (Penn., Lower) | 7 | 259K | 69.5K | by Jan 1993 – Aug 2026 |
| Baird, Bobby O-11-65436 | Basa Resources, Inc. | Michelle Kay (Cisco) | 4 | 255K | 100K | by Jan 1993 – Aug 2026 |
| Wallace O-11-67348 | R2Q Operating LLC | S-M-S (Canyon Reef) | 2 | 248K | 58 | Jan 1995 – Aug 2026 |
| Jones, Percy Tract 2 O-11-609 | Fasken Oil and Ranch, Ltd. | Clairemont (Penn., Lower) | 6 | 248K | 21 | by Jan 1993 – Aug 2025 |
| Godfrey O-11-65329 | Sojourner Drilling Corporation | Michelle Kay (Cisco) | 6 | 242K | 47K | by Jan 1993 – Jul 2026 |
| Stewart O-11-67399 | Petex | S-M-S (Canyon Sand) | 4 | 239K | 0 | May 1995 – Aug 2026 |
| Spires, L. R. "A" O-11-60352 | Coyote Oil, Inc. | Spires | 6 | 228K | 56.2K | by Jan 1993 – Aug 2023 |
| Shooting Star O-11-63599 | Three Span Oil & Gas, Inc. | Boomerang, S. (Strawn Lime) | 2 | 226K | 34.9K | by Jan 1993 – Aug 2026 |
| Godfrey "D" O-11-66830 | Basa Resources, Inc. | Michelle Kay (Cisco) | 2 | 224K | 58.4K | by Jan 1993 – Aug 2026 |
| Five Resources 39 O-11-70541 | Sharp Image Energy, Inc. | S.N.B. (Cisco) | 1 | 221K | 0 | Jan 2017 – Aug 2026 |
| Girard (Tannehill) Unit O-11-70738 | Sojourner Drilling Corporation | Long-Hall (Tannehill) | 9 | 208K | 0 | Aug 2018 – Jul 2026 |
| Wallace O-11-68381 | Crossroads Operating, LLC | Clairemont, North (Strawn Sd.) | 5 | 205K | 0 | Aug 2001 – Aug 2026 |
| Fuller, P. L. NCT-3 O-11-13315 | Crossroads Operating, LLC | Cogdell, East (Canyon) | 1 | 200K | 104K | by Jan 1993 – Aug 2026 |
| Reed O-11-67132 | R2Q Operating LLC | S-M-S (Canyon Reef) | 2 | 199K | 73 | Aug 1993 – Jul 2026 |
| Kronos O-11-70301 | Canan Mowrey Operating, LLC | Clairemont, East (Strawn) | 3 | 197K | 0 | Jan 2014 – Aug 2026 |
| Cates O-11-69204 | R2Q Operating LLC | Long-Hall (Tannehill) | 1 | 193K | 0 | Feb 2008 – Aug 2026 |
| Branch Estate O-11-64719 | Shidler, Mark L., Inc. | Hot Springs | 3 | 176K | 287 | by Jan 1993 – Aug 2026 |
| Chisum, Roy R. O-11-18933 | Three Span Oil & Gas, Inc. | Boomerang, S. (Strawn Lime) | 10 | 176K | 77.5K | by Jan 1993 – Jan 2015 |
| Godfrey O-11-66578 | Sojourner Drilling Corporation | Maben (Cisco) | 3 | 172K | 49.9K | by Jan 1993 – Feb 2003 |
| Double Mountain 56 B O-11-69763 | Sharp Image Energy, Inc. | Double Mountain (Canyon Sand) | 1 | 171K | 0 | Sep 2011 – Aug 2026 |
| Fuller "B" O-11-9743 | Pop Operating Company | Boomerang (Pennsylvanian Reef) | 4 | 170K | 18.8K | by Jan 1993 – Aug 2026 |
| Adriel O-11-69434 | Grace Petroleum Operating, LLC | Fullerville, NE. (San Andres) | 6 | 168K | 0 | Aug 2009 – Aug 2026 |
| Five Resources 24 O-11-70323 | Sharp Image Energy, Inc. | S.N.B. (Cisco) | 1 | 164K | 0 | Mar 2015 – Aug 2026 |
| Cooper Creek #1 O-11-69103 | Sharp Image Energy, Inc. | Cooper Creek (Strawn "C") | 1 | 161K | 38.3K | Jul 2007 – Aug 2026 |
| Cooper Creek 26 E O-11-69275 | Sharp Image Energy, Inc. | Spires | 1 | 159K | 0 | Apr 2008 – Aug 2026 |
| Spur "B" O-11-67227 | Sharp Image Energy, Inc. | Sharp Spur (Canyon Reef) | 2 | 157K | 938 | Mar 1994 – Jun 2016 |
| Ble-Godfrey O-11-67688 | Gunn Oil Company | Maben (Cisco) | 3 | 154K | 105K | Jan 1997 – Jul 2026 |
| Pet-Co O-11-62278 | O.G.P. Operating, Inc. | Lyn-Kay South (Canyon Reef) | 1 | 153K | 314 | by Jan 1993 – Aug 2026 |
| Mayfield Unit O-11-69438 | R2Q Operating LLC | Long-Hall (Tannehill) | 1 | 142K | 0 | Sep 2009 – Aug 2026 |
| Ble-Irwin O-11-67915 | Gunn Oil Company | Maben (Cisco) | 1 | 141K | 63.4K | Mar 1998 – Jul 2026 |
| Swenson-Morrison O-11-68201 | Brown, Geo. R Partnership,lp,the | S.N.B. (Cisco) | 1 | 138K | 64.1K | Jun 2000 – Jan 2020 |
| Wallace O-11-61374 | Pop Operating Company | Ipco (Strawn Lime) | 2 | 133K | 21 | by Jan 1993 – Aug 2026 |
| Davis, H. W. "A" O-11-611 | Atlas Operating LLC | Clairemont (Penn., Lower) | 2 | 133K | 14.7K | by Jan 1993 – Aug 2026 |
| Cogdell, D. M. O-11-66719 | Spalding Energy, Inc. | Spalding (Glorieta) | 3 | 132K | 21 | by Jan 1993 – Aug 2026 |
| Double Mountain 56-1 P.U. O-11-69499 | Sharp Image Energy, Inc. | Double Mountain (Canyon Sand) | 1 | 131K | 0 | Feb 2010 – Aug 2026 |