| South Curtis Ranch O-10-40691 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 258 | 38.4M | 70.7M | Dec 2010 – Apr 2026 |
| South Curtis Ranch O-10-58847 | Occidental Permian Ltd. only | Emma (Barnett Shale) | Martin | 18 | 5.25M | 20M | Apr 2021 – Apr 2026 |
| Curtis "A" O-10-32920 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 9 | 549K | 1.18M | Jan 1993 – Jul 2024 |
| Stewart, Curtis O-6-11525 | 84 Energy LLC only | Pittsburg (Sub-Clarksville) | Camp | 5 | 453K | 21 | Jan 1993 – Feb 2026 |
| South Curtis Ranch 3411LP O-10-57563 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 452K | 1.15M | Mar 2021 – Apr 2026 |
| South Curtis Ranch O-10-59013 | Occidental Permian Ltd. only | Kiva (Dev) | Martin | 3 | 390K | 1.3M | Dec 2022 – Apr 2026 |
| South Curtis Ranch 3403SP O-10-57440 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 374K | 1M | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3409SP O-10-57506 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 355K | 676K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3407SP O-10-57562 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 346K | 764K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3403LP O-10-57439 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 334K | 727K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3405SP O-10-57452 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 312K | 481K | Mar 2021 – Apr 2026 |
| South Curtis Ranch O-10-60657 | Occidental Permian Ltd. only | Lowe (Atoka) | Martin | 3 | 310K | 1.29M | Oct 2023 – Apr 2026 |
| South Curtis Ranch 3491OP O-10-60632 | Occidental Permian Ltd. only | Emma (Barnett Shale) | Martin | 1 | 301K | 1.45M | Oct 2023 – Apr 2026 |
| Curtis "K" O-10-33078 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 8 | 295K | 587K | Jan 1993 – Oct 2014 |
| South Curtis Ranch 3413LP O-10-57507 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 292K | 459K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 0399OP O-10-60833 | Occidental Permian Ltd. only | Emma (Barnett Shale) | Martin | 1 | 280K | 1.33M | Oct 2023 – Apr 2026 |
| South Curtis Ranch 3401SP O-10-57437 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 278K | 498K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3409AP O-10-57548 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 276K | 554K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3407LP O-10-57503 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 272K | 560K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3403AP O-10-57432 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 261K | 405K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3403DP O-10-57436 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 257K | 471K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3407AP O-10-57504 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 252K | 391K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3403BP O-10-57433 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 251K | 729K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3405LP O-10-57441 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 249K | 508K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3401AP O-10-57434 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 249K | 796K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 0393OP O-10-60643 | Occidental Permian Ltd. only | Emma (Barnett Shale) | Martin | 1 | 246K | 1.24M | Oct 2023 – Apr 2026 |
| South Curtis Ranch 3405AP O-10-57501 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 245K | 697K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3401MP O-10-57435 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 243K | 562K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3409DP O-10-57505 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 237K | 442K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 3405DP O-10-57451 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 220K | 415K | Mar 2021 – Apr 2026 |
| Newton-Curtis O-3-21936 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 218K | 1.15M | Jan 1993 – Apr 2026 |
| South Curtis Ranch 0397OP O-10-60832 | Occidental Permian Ltd. only | Emma (Barnett Shale) | Martin | 1 | 214K | 1.13M | Oct 2023 – Apr 2026 |
| Curtis "R" O-10-33305 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 3 | 209K | 442K | Jan 1993 – Oct 2014 |
| South Curtis Ranch 3409LP O-10-57502 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 206K | 414K | Mar 2021 – Apr 2026 |
| South Curtis Ranch 0395OP O-10-60644 | Occidental Permian Ltd. only | Emma (Barnett Shale) | Martin | 1 | 205K | 1.05M | Oct 2023 – Apr 2026 |
| South Curtis Ranch 3401LP O-10-57438 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 204K | 365K | Mar 2021 – Apr 2026 |
| Curtis "H" O-10-33076 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 5 | 197K | 437K | Jan 1993 – Oct 2014 |
| Curtis a Unit O-1-18631 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 196K | 788K | Dec 2015 – Apr 2026 |
| Stewart, Curtis "A" O-6-13568 | 84 Energy LLC only | Pittsburg (Sub-Clarksville) | Camp | 3 | 189K | 0 | Sep 1996 – Jul 2023 |
| Curtis "E" O-10-32960 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 5 | 185K | 426K | Jan 1993 – Feb 2022 |
| Curtis O-8-29337 | Interstate Explorations LLC only | Yeager-Loflin (Miss 3800) | Eastland | 1 | 183K | 365K | Oct 2003 – Apr 2026 |
| Curtis B Unit O-1-18626 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 175K | 768K | Dec 2015 – Apr 2026 |
| Curtis "P" O-10-33282 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 3 | 146K | 246K | Jan 1993 – Apr 2022 |
| Curtis O-10-32864 | Cutbow Operating, LLC only | Spraberry (Trend Area) | Martin | 2 | 146K | 406K | Jan 1993 – Apr 2026 |
| Curtis, E.C. O-3-19388 | Sandel Operating Company only | Martin Prairie (Wilcox 4900) | Grimes | 1 | 143K | 62.9K | Jan 1993 – May 2019 |
| Curtis "J" O-10-33080 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 4 | 143K | 228K | Jan 1993 – Oct 2014 |
| Curtis "B" O-10-32936 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 2 | 133K | 307K | Jan 1993 – Jan 2023 |
| Swenson Ranch East "C" O-8-25284 | Beasley Well Service Inc. only | Curtis (Caddo, Upper) | Throckmorton | 4 | 129K | 104K | Jan 1993 – Mar 2026 |
| Curtis "W" O-10-33405 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 2 | 121K | 240K | Jan 1993 – Oct 2014 |
| Curtis "X" O-10-35873 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 4 | 119K | 173K | Oct 1997 – Oct 2014 |