| Robbie 17A-8 O-9-20044 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Upton | 4 | 1.24M | 6.46M | Jun 2018 – Aug 2026 |
| Robb-Stone E34A O-10-60654 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Martin | 1 | 587K | 692K | Jan 2024 – Aug 2026 |
| Robb-Stone E34C O-10-60655 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Martin | 1 | 542K | 608K | Jan 2024 – Aug 2026 |
| Robb-Stone W34F O-10-59311 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Martin | 1 | 506K | 462K | May 2023 – Aug 2026 |
| Robb-Stone E34B O-10-60674 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Martin | 1 | 474K | 616K | Jan 2024 – Aug 2026 |
| Robb-Stone W34D O-10-59327 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Martin | 1 | 463K | 345K | May 2023 – Aug 2026 |
| Robbie 17 and 8 O-9-19200 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Upton | 1 | 423K | 2.01M | Nov 2016 – Aug 2026 |
| Stone-Robb W45A O-10-56610 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Glasscock | 1 | 405K | 326K | Nov 2021 – Aug 2026 |
| Robb-Stone W34B O-10-59312 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Martin | 1 | 398K | 264K | May 2023 – Jul 2026 |
| Robbie 17A-8-F O-9-20172 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Upton | 3 | 370K | 1.07M | Nov 2018 – Aug 2026 |
| Stone-Robb W45B O-10-56601 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Glasscock | 1 | 365K | 259K | Nov 2021 – Aug 2026 |
| Stone-Robb W45C O-10-56638 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Glasscock | 1 | 358K | 277K | Nov 2021 – Aug 2026 |
| Robbie '17-8' O-9-19152 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Upton | 1 | 355K | 1.28M | Nov 2015 – Aug 2026 |
| Stone-Robb E45E O-10-58147 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Glasscock | 1 | 348K | 292K | Sep 2022 – Aug 2026 |
| Stone-Robb E45B O-10-58145 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Glasscock | 1 | 320K | 229K | Sep 2022 – Aug 2026 |
| Robbins "1" O-9-17739 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Upton | 3 | 290K | 577K | Nov 2011 – Aug 2026 |
| Stone-Robb E45C O-10-58146 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Glasscock | 1 | 271K | 215K | Sep 2022 – Aug 2026 |
| Robbie 17-8 O-9-19246 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Upton | 1 | 254K | 838K | Nov 2015 – Aug 2026 |
| Stone-Robb E45A O-10-58038 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Glasscock | 1 | 216K | 172K | Sep 2022 – Aug 2026 |
| Stone-Robb E45D O-10-58107 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Glasscock | 1 | 212K | 252K | Sep 2022 – Aug 2026 |
| Robb 'A' O-10-43448 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Martin | 8 | 170K | 500K | Nov 2012 – Feb 2024 |
| Robbins "3" O-9-17719 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Upton | 4 | 82.5K | 591K | Nov 2011 – Jul 2022 |
| Wallin, H. C. G-10-179261 | Pioneer Natural Res. USA, Inc. | Dora Roberts (Devonian) | Midland | 1 | 77.3K | 2.29M | Aug 2000 – Aug 2026 |
| Roberson -B- O-10-29316 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Midland | 2 | 67.2K | 300K | by Jan 1993 – Apr 2022 |
| Robbie 17 O-9-8685 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Upton | 2 | 66.3K | 240K | by Jan 1993 – Jul 2019 |
| Roberts O-10-30397 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Midland | 2 | 65.6K | 305K | by Jan 1993 – Mar 2023 |
| Richey Sec. 42 "A" O-9-8491 | Pioneer Natural Res. USA, Inc. | Probandt (Canyon) | Irion | 9 | 51.5K | 736K | by Jan 1993 – Jan 2024 |
| Robertson, Leo O-10-30626 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Midland | 1 | 35K | 149K | by Jan 1993 – Jun 2018 |
| Robbins 1 O-9-18089 | Pioneer Natural Res. USA, Inc. | Blue Danube (Strawn) | Upton | 1 | 34.9K | 1.84M | Aug 2012 – Sep 2015 |
| Richey "54A" O-9-8486 | Pioneer Natural Res. USA, Inc. | Probandt (Canyon) | Irion | 11 | 33.5K | 1.08M | by Jan 1993 – Aug 2026 |
| Roberson -E- O-10-30943 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Midland | 1 | 31.5K | 130K | by Jan 1993 – Sep 2022 |
| Wallin, H.C. O-10-55820 | Pioneer Natural Res. USA, Inc. | Dora Roberts (Consolidated) | Midland | 2 | 30.9K | 879K | Sep 2016 – Aug 2026 |
| Wallin, H. C. O-10-37160 | Pioneer Natural Res. USA, Inc. | Dora Roberts (Devonian) | Midland | 1 | 29.4K | 895K | Jan 2003 – Oct 2024 |
| Roberson "A" O-10-29182 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Midland | 2 | 27K | 239K | by Jan 1993 – Sep 2022 |
| Probandt -58- O-9-8234 | Pioneer Natural Res. USA, Inc. | Probandt (Canyon) | Tom Green | 2 | 26.8K | 351K | by Jan 1993 – Jun 2025 |
| Robertson -A- O-10-30850 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Midland | 1 | 24K | 123K | by Jan 1993 – Jan 2009 |
| Rob '25' O-10-43087 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Martin | 1 | 23.5K | 57K | Sep 2012 – Jan 2022 |
| Smith -59- O-9-9196 | Pioneer Natural Res. USA, Inc. | Probandt (Canyon) | Irion | 4 | 18.5K | 91.4K | by Jan 1993 – Jul 2005 |
| Roberson -D- O-10-30912 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Midland | 1 | 17.6K | 205K | by Jan 1993 – Oct 2007 |
| Richey "53" O-9-16023 | Pioneer Natural Res. USA, Inc. | Probandt (Canyon) | Irion | 2 | 17.5K | 532K | May 2006 – Aug 2026 |
| Robbins '27' O-9-18332 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Upton | 1 | 14.2K | 47K | Jul 2013 – Aug 2018 |
| Smith 59 O-9-18122 | Pioneer Natural Res. USA, Inc. | Probandt (Canyon) | Irion | 1 | 10.7K | 20.8K | Oct 2012 – Jul 2023 |
| Roberson O-10-28513 | Pioneer Natural Res. USA, Inc. | Spraberry (Trend Area) | Midland | 1 | 10.1K | 29K | by Jan 1993 – Nov 1997 |
| Harris -61- O-9-8950 | Pioneer Natural Res. USA, Inc. | Probandt (Canyon) | Irion | 1 | 10.1K | 152K | by Jan 1993 – Oct 2005 |
| Schlinke "18" O-9-16042 | Pioneer Natural Res. USA, Inc. | Probandt (Canyon) | Irion | 1 | 6.17K | 201K | Aug 2006 – Mar 2019 |
| Harris "69" A O-9-13009 | Pioneer Natural Res. USA, Inc. | Probandt (Canyon) | Irion | 1 | 6.14K | 137K | by Jan 1993 – Oct 2006 |
| Richey -53- G-9-122416 | Pioneer Natural Res. USA, Inc. | Probandt (Canyon) | Irion | 1 | 6.07K | 461K | by Jan 1993 – Jun 2015 |
| McManus "28" O-9-9344 | Pioneer Natural Res. USA, Inc. | Probandt (Canyon) | Irion | 1 | 5.68K | 245K | by Jan 1993 – Jul 2004 |
| Richey "55" O-9-16016 | Pioneer Natural Res. USA, Inc. | Probandt (Canyon) | Irion | 2 | 5.53K | 79.1K | May 2006 – Oct 2013 |
| Probandt "70" O-9-16119 | Pioneer Natural Res. USA, Inc. | Probandt (Canyon) | Irion | 1 | 5.03K | 26.5K | Dec 2006 – Aug 2015 |