| Roberts, Dora, B. D. & E. O-10-2827 | Sheridan Production Company, LLC only | Howard Glasscock | Howard | 194 | 5.33M | 16.9K | by Jan 1993 – Nov 2011 |
| Roberts, Dora O-10-2803 | Sheridan Production Company, LLC only | Howard Glasscock | Howard | 67 | 1.82M | 14.8K | by Jan 1993 – Nov 2011 |
| Roberts, Dora -Bde- O-10-41064 | Basa Resources, Inc. only | Howard Glasscock (Consolidated) | Howard | 146 | 1.36M | 33.8K | Dec 2011 – Aug 2026 |
| Roberts, Dora O-10-41282 | Basa Resources, Inc. only | Howard Glasscock (Consolidated) | Howard | 53 | 1.33M | 19.8K | Dec 2011 – Aug 2026 |
| Roberts, Dora O-10-41261 | Citation Oil & Gas Corp. only | Howard Glasscock (Consolidated) | Howard | 39 | 1.15M | 27.6K | Dec 2011 – Aug 2026 |
| Robb Walter Unit O-10-47664 | OXY USA Inc. only | Spraberry (Trend Area) | Howard | 3 | 977K | 1.18M | Feb 2016 – Aug 2026 |
| Robert and the Crusaders 23-24 B O-10-59034 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 4 | 702K | 2.98M | Nov 2022 – Aug 2026 |
| Roberts, Dora O-10-2821 | Apache Corporation only | Howard Glasscock | Howard | 59 | 638K | 39K | by Jan 1993 – Nov 2011 |
| Roberts, Dora O-10-2774 | Conocophillips Company only | Howard Glasscock | Howard | 55 | 607K | 2.33K | by Jan 1993 – Nov 2011 |
| 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 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 |
| Roberts, Dora O-10-46922 | Apache Corporation only | Howard Glasscock (Consolidated) | Howard | 61 | 467K | 0 | Dec 2011 – Aug 2026 |
| Robinson 12 O-10-44922 | Highpeak Energy Holdings, LLC only | Spraberry (Trend Area) | Howard | 8 | 447K | 3.13M | Sep 2013 – Aug 2026 |
| Robinson 7-6 1LS O-10-55470 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 1 | 416K | 595K | Feb 2020 – Aug 2026 |
| Robert and the Crusaders 23-24 A O-10-59036 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 2 | 399K | 2M | Nov 2022 – Aug 2026 |
| Roberts, Dora O-10-19039 | Apache Corporation only | Howard-Glasscock (Glorieta) | Howard | 11 | 379K | 15.3K | by Jan 1993 – Nov 2011 |
| Robinson 7-6 1WA O-10-55537 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 1 | 379K | 544K | Jan 2020 – Aug 2026 |
| Robert and the Crusaders 23-24 C O-10-59037 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 2 | 371K | 2.46M | Nov 2022 – Aug 2026 |
| Roberts, Dora -A- O-10-41061 | Basa Resources, Inc. only | Howard Glasscock (Consolidated) | Howard | 27 | 300K | 6.83K | Dec 2011 – Aug 2026 |
| Settles, W. R. -A- O-10-10445 | Wash, Robert C. Inc. only | Howard Glasscock | Howard | 14 | 234K | 118 | by Jan 1993 – Nov 2011 |
| Kelly-Roberts O-10-32327 | Citation Oil & Gas Corp. only | Howard-Glasscock (Wolfcamp 7400) | Howard | 3 | 233K | 1.31M | by Jan 1993 – Sep 2020 |
| Roberts, Dora O-10-2675 | Apache Corporation only | Howard Glasscock | Howard | 14 | 226K | 23 | by Jan 1993 – Nov 2011 |
| Roberts, Dora, -A- O-10-2810 | Sheridan Production Company, LLC only | Howard Glasscock | Howard | 21 | 219K | 1.93K | by Jan 1993 – Nov 2011 |
| Roberts, Dora -Bde- O-10-22386 | Sheridan Production Company, LLC only | Howard-Glasscock (Glorieta) | Howard | 19 | 208K | 42.2K | by Jan 1993 – Nov 2011 |
| Roberts, Dora Yates Waterflood O-10-17475 | Apache Corporation only | Howard Glasscock | Howard | 20 | 189K | 23 | by Jan 1993 – Nov 2011 |
| Clay, H. R. O-10-2738 | Wash, Robert C. Inc. only | Howard Glasscock | Glasscock | 27 | 186K | 45 | by Jan 1993 – Nov 2011 |
| Stewart Yates Sand Unit O-10-17768 | Wash, Robert C. Inc. only | Howard Glasscock | Howard | 25 | 175K | 128 | by Jan 1993 – Nov 2011 |
| Robinson 07-06 B O-10-61988 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 1 | 170K | 284K | May 2024 – Aug 2026 |
| Settles O-10-2740 | Wash, Robert C. Inc. only | Howard Glasscock | Howard | 4 | 148K | 149 | by Jan 1993 – Nov 2011 |
| Clay, H. R. -A- O-10-8680 | Wash, Robert C. Inc. only | Howard Glasscock | Howard | 21 | 135K | 118 | by Jan 1993 – Nov 2011 |
| Robb 13 O-10-46029 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Howard | 3 | 134K | 354K | Oct 2014 – Aug 2026 |
| Clay, H. R. -A- O-10-2744 | Robertson Resources, Inc. only | Howard Glasscock | Howard | 6 | 127K | 55.9K | by Jan 1993 – Oct 2014 |
| Robb Unit 24 O-10-45398 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Howard | 2 | 112K | 270K | Apr 2014 – Aug 2026 |
| Clay, H. R. O-10-47933 | Wash, Robert C. Inc. only | Howard Glasscock (Consolidated) | Glasscock | 20 | 112K | 121 | Dec 2011 – Jul 2026 |
| Roberts, Dora, -A- O-10-19023 | Sheridan Production Company, LLC only | Howard-Glasscock (Glorieta) | Howard | 8 | 108K | 3.58K | by Jan 1993 – Oct 2011 |
| Roberts, Dora, -E- O-10-20508 | Wash, Robert C. Inc. only | Howard Glasscock | Howard | 6 | 105K | 126 | by Jan 1993 – Nov 2011 |
| Robb 25 O-10-43613 | Oxyrock Operating, LLC only | Spraberry (Trend Area) | Howard | 3 | 98.7K | 293K | Nov 2012 – Aug 2026 |
| Robertson O-10-36200 | Highpeak Energy Holdings, LLC only | Signal Peak (Wolfcamp) | Howard | 4 | 89.9K | 1.48M | Feb 2000 – Aug 2026 |
| Robinson 07-06 C O-10-61989 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 1 | 86.3K | 248K | May 2024 – Aug 2026 |
| Robinson 07-06 D O-10-65325 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 1 | 68.1K | 90.7K | Feb 2026 – Aug 2026 |
| Robinson 07-06 E O-10-65308 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 1 | 67.2K | 89.8K | Mar 2026 – Aug 2026 |
| Settles, W. R. -A- O-10-48220 | Wash, Robert C. Inc. only | Howard Glasscock (Consolidated) | Howard | 11 | 63.6K | 121 | Dec 2011 – Jul 2026 |
| Robinson 07-06 A O-10-62004 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 1 | 63.2K | 239K | May 2024 – Aug 2026 |
| Robb O-10-42689 | OXY USA Inc. only | Spraberry (Trend Area) | Howard | 1 | 60K | 175K | Mar 2012 – Aug 2024 |
| Douthit, E. W., Etux O-10-10587 | Wash, Robert C. Inc. only | Howard Glasscock | Howard | 10 | 53.9K | 11.3K | by Jan 1993 – Nov 2011 |
| Clay, H. R. -B- O-10-2745 | Robertson Resources, Inc. only | Howard Glasscock | Howard | 4 | 51.4K | 27 | by Jan 1993 – Oct 2014 |
| Roberts -C- O-10-2711 | MGM Oil & Gas Company only | Howard Glasscock | Howard | 6 | 51.2K | 20 | by Jan 1993 – Nov 2011 |
| Robinson O-10-44061 | Birch Operations, Inc. only | Spraberry (Trend Area) | Howard | 2 | 47.4K | 82.6K | Apr 2013 – Jun 2018 |
| Roberts, Dora, -E- O-10-48148 | Wash, Robert C. Inc. only | Howard Glasscock (Consolidated) | Howard | 2 | 47.1K | 121 | Dec 2011 – Jul 2026 |
| Roberts, Dora -a- & -B- O-10-2815 | 5H Oil Co., LLC only | Howard Glasscock | Glasscock | 19 | 45.8K | 32 | by Jan 1993 – Nov 2011 |