| South Curtis Ranch O-10-40691 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 261 | 39.2M | 73.7M | Dec 2010 – Aug 2026 |
| South Curtis Ranch O-10-58847 | Occidental Permian Ltd. only | Emma (Barnett Shale) | Martin | 18 | 5.53M | 21.3M | Apr 2021 – Aug 2026 |
| Curtis "A" O-10-32920 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 9 | 549K | 1.18M | by Jan 1993 – Jul 2024 |
| South Curtis Ranch 3411LP O-10-57563 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 458K | 1.19M | Mar 2021 – Aug 2026 |
| Stewart, Curtis O-6-11525 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 5 | 453K | 21 | by Jan 1993 – Mar 2026 |
| South Curtis Ranch O-10-59013 | Occidental Permian Ltd. only | Kiva (Dev) | Martin | 3 | 404K | 1.4M | Dec 2022 – Aug 2026 |
| South Curtis Ranch 3403SP O-10-57440 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 377K | 1.03M | Mar 2021 – Aug 2026 |
| South Curtis Ranch 3409SP O-10-57506 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 360K | 694K | Mar 2021 – Aug 2026 |
| South Curtis Ranch 3407SP O-10-57562 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 349K | 774K | Mar 2021 – Aug 2026 |
| South Curtis Ranch 3403LP O-10-57439 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 338K | 748K | Mar 2021 – Aug 2026 |
| South Curtis Ranch O-10-60657 | Occidental Permian Ltd. only | Lowe (Atoka) | Martin | 3 | 323K | 1.38M | Oct 2023 – Aug 2026 |
| South Curtis Ranch 3405SP O-10-57452 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 322K | 527K | Mar 2021 – Aug 2026 |
| South Curtis Ranch 3491OP O-10-60632 | Occidental Permian Ltd. only | Emma (Barnett Shale) | Martin | 1 | 315K | 1.53M | Oct 2023 – Aug 2026 |
| South Curtis Ranch 3413LP O-10-57507 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 297K | 467K | Mar 2021 – Aug 2026 |
| South Curtis Ranch 0399OP O-10-60833 | Occidental Permian Ltd. only | Emma (Barnett Shale) | Martin | 1 | 296K | 1.41M | Oct 2023 – Aug 2026 |
| Curtis "K" O-10-33078 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 8 | 295K | 587K | by Jan 1993 – Oct 2014 |
| South Curtis Ranch 3409AP O-10-57548 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 284K | 589K | Mar 2021 – Aug 2026 |
| South Curtis Ranch 3401SP O-10-57437 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 282K | 518K | Mar 2021 – Aug 2026 |
| South Curtis Ranch 3407LP O-10-57503 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 275K | 571K | Mar 2021 – Aug 2026 |
| South Curtis Ranch 3403AP O-10-57432 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 266K | 425K | Mar 2021 – Aug 2026 |
| South Curtis Ranch 3403DP O-10-57436 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 263K | 503K | Mar 2021 – Aug 2026 |
| South Curtis Ranch 3407AP O-10-57504 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 258K | 408K | Mar 2021 – Aug 2026 |
| South Curtis Ranch 0393OP O-10-60643 | Occidental Permian Ltd. only | Emma (Barnett Shale) | Martin | 1 | 258K | 1.31M | Oct 2023 – Aug 2026 |
| South Curtis Ranch 3403BP O-10-57433 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 256K | 766K | Mar 2021 – Aug 2026 |
| South Curtis Ranch 3401AP O-10-57434 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 254K | 813K | Mar 2021 – Aug 2026 |
| South Curtis Ranch 3405LP O-10-57441 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 253K | 526K | Mar 2021 – Aug 2026 |
| South Curtis Ranch 3405AP O-10-57501 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 250K | 738K | Mar 2021 – Aug 2026 |
| South Curtis Ranch 3401MP O-10-57435 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 248K | 612K | Mar 2021 – Aug 2026 |
| South Curtis Ranch 3409DP O-10-57505 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 242K | 463K | Mar 2021 – Aug 2026 |
| South Curtis Ranch 3405DP O-10-57451 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 226K | 432K | Mar 2021 – Aug 2026 |
| South Curtis Ranch 0397OP O-10-60832 | Occidental Permian Ltd. only | Emma (Barnett Shale) | Martin | 1 | 226K | 1.2M | Oct 2023 – Aug 2026 |
| Newton-Curtis O-3-21936 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 218K | 1.15M | by Jan 1993 – Aug 2026 |
| South Curtis Ranch 0395OP O-10-60644 | Occidental Permian Ltd. only | Emma (Barnett Shale) | Martin | 1 | 215K | 1.11M | Oct 2023 – Aug 2026 |
| South Curtis Ranch 3409LP O-10-57502 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 211K | 442K | Mar 2021 – Aug 2026 |
| Curtis "R" O-10-33305 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 3 | 209K | 442K | by Jan 1993 – Oct 2014 |
| South Curtis Ranch 3401LP O-10-57438 | Occidental Permian Ltd. only | Spraberry (Trend Area) | Martin | 1 | 207K | 375K | Mar 2021 – Aug 2026 |
| Curtis a Unit O-1-18631 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 197K | 789K | Dec 2015 – Aug 2026 |
| Curtis "H" O-10-33076 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 5 | 197K | 437K | by Jan 1993 – Oct 2014 |
| Stewart, Curtis "A" O-6-13568 | HD Operating Co, 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 | by Jan 1993 – Feb 2022 |
| Curtis O-8-29337 | Interstate Explorations LLC only | Yeager-Loflin (Miss 3800) | Eastland | 1 | 184K | 367K | Oct 2003 – Aug 2026 |
| Curtis B Unit O-1-18626 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 177K | 771K | Dec 2015 – Aug 2026 |
| Curtis "P" O-10-33282 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 3 | 146K | 246K | by Jan 1993 – Apr 2022 |
| Curtis O-10-32864 | Cutbow Operating, LLC only | Spraberry (Trend Area) | Martin | 2 | 146K | 408K | by Jan 1993 – Aug 2026 |
| Curtis, E.C. O-3-19388 | Sandel Operating Company only | Martin Prairie (Wilcox 4900) | Grimes | 1 | 143K | 62.9K | by Jan 1993 – May 2019 |
| Curtis "J" O-10-33080 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 4 | 143K | 228K | by Jan 1993 – Oct 2014 |
| Curtis "B" O-10-32936 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 2 | 133K | 307K | by Jan 1993 – Jan 2023 |
| Swenson Ranch East "C" O-8-25284 | Beasley Well Service Inc. only | Curtis (Caddo, Upper) | Throckmorton | 4 | 129K | 104K | by Jan 1993 – Jul 2026 |
| Curtis "W" O-10-33405 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 2 | 121K | 240K | by 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 |