| Queen Robyn E2W2 E O-10-60042 | Civitas Permian Operating, LLC only | Phantom (Wolfcamp) | Loving | 2 | 675K | 1.36M | Aug 2023 – Aug 2026 |
| Robertson, J. M. O-6-237 | Glori Energy Holdings Inc. only | Coke | Wood | 3 | 662K | 91.2K | by Jan 1993 – Aug 2015 |
| Robyn Lee F O-10-63525 | Hibernia Resources IV, LLC only | Spraberry (Trend Area) | Dawson | 1 | 661K | 530K | Jun 2025 – Aug 2026 |
| Robyn Lee E O-10-63496 | Hibernia Resources IV, LLC only | Spraberry (Trend Area) | Dawson | 1 | 658K | 494K | Jun 2025 – Aug 2026 |
| Roberts, Dora O-10-2821 | Apache Corporation only | Howard Glasscock | Howard | 59 | 638K | 39K | by Jan 1993 – Nov 2011 |
| Roberson, Walter O-7-7200 | Linder, John Operating Co., LLC only | East Texas | Rusk | 22 | 636K | 71K | by Jan 1993 – Aug 2026 |
| Parks, Roy -B- TG O-10-1166 | COG Operating LLC only | Dora Roberts (Ellenburger) | Midland | 15 | 624K | 1.56M | by Jan 1993 – Aug 2026 |
| Jenkins, Sam C. O-11-67380 | Seaboard Operating Co. only | Robertson, N. (Clear Fork 7100) | Gaines | 14 | 623K | 326K | Apr 1995 – Aug 2026 |
| Robison, J. H. O-11-11539 | JO Mill Oil Company LLC only | Spraberry, Deep (Spraberry, Lo.) | Dawson | 5 | 620K | 178K | by Jan 1993 – Aug 2026 |
| Roberts, Dora O-10-2774 | Conocophillips Company only | Howard Glasscock | Howard | 55 | 607K | 2.33K | by Jan 1993 – Nov 2011 |
| Robert Bowman Unit O-2-10518 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-2) | Karnes | 4 | 607K | 2.05M | May 2013 – Aug 2026 |
| Robert and the Crusaders 23-24 E O-10-59038 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 3 | 606K | 2.33M | Nov 2022 – Aug 2026 |
| Robert Hindes O-1-16077 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | La Salle | 3 | 599K | 595K | Aug 2012 – Aug 2026 |
| Robb-Stone E34A O-10-60654 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 587K | 692K | Jan 2024 – Aug 2026 |
| Robyn Lee B O-10-64125 | Hibernia Resources IV, LLC only | Spraberry (Trend Area) | Dawson | 1 | 576K | 349K | Sep 2025 – Aug 2026 |
| Robin 8 G-10-289577 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 558K | 3.45M | May 2013 – Aug 2026 |
| Robert and the Crusaders 23-24 D O-10-59035 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 3 | 553K | 3.76M | Nov 2022 – Aug 2026 |
| Robbins O-2-9316 | Cyber Enviro-Tech Inc only | Westhoff (Combined Associated) | Jackson | 6 | 551K | 963K | Mar 2009 – Nov 2024 |
| Robyn Lee A O-10-64099 | Hibernia Resources IV, LLC only | Spraberry (Trend Area) | Dawson | 1 | 544K | 322K | Sep 2025 – Aug 2026 |
| Robb-Stone E34C O-10-60655 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 542K | 608K | Jan 2024 – Aug 2026 |
| Queen Robyn W2W2 D O-10-60054 | Civitas Permian Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 542K | 964K | Oct 2023 – Aug 2026 |
| Dora Roberts Ranch Devonian Unit O-10-29620 | Continental Resources, Inc. only | Dora Roberts (Devonian) | Midland | 14 | 531K | 8.63M | by Jan 1993 – Aug 2026 |
| Queen Robyn W2W2 Q O-10-61242 | Civitas Permian Operating, LLC only | Sandbar (Bone Spring) | Loving | 1 | 522K | 813K | Mar 2024 – Aug 2026 |
| Burnett Awm RR O-11-68373 | High River Res Operating, LLC only | Roberts Rift (Strawn 5500) | King | 3 | 521K | 152K | Sep 2001 – Aug 2026 |
| Robin 8 G-10-289328 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 516K | 1.52M | May 2014 – Aug 2026 |
| Robb-Stone W34F O-10-59311 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 506K | 462K | May 2023 – Aug 2026 |
| Roberts O-11-63263 | Three Span Oil & Gas, Inc. only | Levelland | Hockley | 11 | 500K | 285K | by Jan 1993 – Aug 2026 |
| Robin 8 G-10-289241 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 489K | 1.45M | Aug 2014 – Nov 2024 |
| Robin 8 G-10-289578 | Apache Corporation only | Phantom (Wolfcamp) | Reeves | 1 | 484K | 1.61M | Sep 2014 – Aug 2026 |
| Queen Robyn E2E2 L O-10-60043 | Civitas Permian Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 482K | 903K | Aug 2023 – Aug 2026 |
| Robinson Ranch O-8-28737 | Tarpon Oil & Gas Co. only | Mallory (Strawn) | Palo Pinto | 29 | 480K | 790K | Feb 2000 – Jul 2026 |
| Robinson O-3-23125 | ZK Petroleum Co., L.L.C. only | Blue Ridge | Fort Bend | 22 | 479K | 1.98K | Nov 1996 – Aug 2026 |
| Robb-Stone E34B O-10-60674 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 474K | 616K | Jan 2024 – Aug 2026 |
| State Roberta Regan 57-T2-36 G-10-277458 | BPX Operating Company only | Phantom (Wolfcamp) | Reeves | 1 | 473K | 2.02M | Oct 2014 – Aug 2026 |
| Robbins - Loria Unit O-3-23009 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Robertson | 3 | 471K | 423K | May 1996 – Jul 2026 |
| Roberts, Dora O-10-46922 | Apache Corporation only | Howard Glasscock (Consolidated) | Howard | 61 | 467K | 0 | Dec 2011 – Aug 2026 |
| Robb-Stone W34D O-10-59327 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Martin | 1 | 463K | 345K | May 2023 – Aug 2026 |
| Queen Robyn W2W2 C O-10-60040 | Civitas Permian Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 449K | 704K | Aug 2023 – Aug 2026 |
| Carol-Robin (SA) Unit 2 G-2-297936 | FW Eagle Ford I, LLC only | Eagleville (Eagle Ford-2) | Lavaca | 1 | 448K | 1.06M | Sep 2018 – Aug 2026 |
| Robinson 12 O-10-44922 | Highpeak Energy Holdings, LLC only | Spraberry (Trend Area) | Howard | 8 | 447K | 3.13M | Sep 2013 – Aug 2026 |
| Gross-Robert-Luna Psa O-2-11850 | Marathon Oil EF LLC only | Eagleville (Eagle Ford-2) | Karnes | 1 | 437K | 1.86M | Nov 2019 – Aug 2026 |
| Queen Robyn W2E2 W O-10-61274 | Civitas Permian Operating, LLC only | Sandbar (Bone Spring) | Loving | 1 | 434K | 1.28M | Mar 2024 – Aug 2026 |
| Robbie 17 and 8 O-9-19200 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Upton | 1 | 423K | 2.01M | Nov 2016 – Aug 2026 |
| Robinson 7-6 1LS O-10-55470 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 1 | 416K | 595K | Feb 2020 – Aug 2026 |
| Roberts, Dora O-11-9849 | Stephens & Johnson Operating Co. only | Wasson (Wolfcamp) | Yoakum | 8 | 409K | 147K | by Jan 1993 – Aug 2026 |
| Queen Robyn W2E2 H O-10-60046 | Civitas Permian Operating, LLC only | Phantom (Wolfcamp) | Loving | 1 | 407K | 766K | Sep 2023 – Aug 2026 |
| Fisher, Robert O-7-7919 | ZTH Operating, LLC only | East Texas | Gregg | 12 | 407K | 102K | by Jan 1993 – Jul 2026 |
| Stone-Robb W45A O-10-56610 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Glasscock | 1 | 405K | 326K | Nov 2021 – Aug 2026 |
| Robertson State Unit 2-7 G-10-290703 | Anadarko E&P Onshore LLC only | Phantom (Wolfcamp) | Reeves | 1 | 400K | 1.14M | Dec 2015 – Aug 2026 |
| Robinson 5 O-10-43486 | WPX Energy Permian, LLC only | Red Bluff (Consolidated) | Loving | 11 | 400K | 614K | Jun 2013 – Aug 2026 |