| Williams O-9-13840 | Robertson Resources, Inc. | Tankersley (Wolfcamp) | Irion | 1 | 140K | 174K | Jul 1995 – Mar 2026 |
| Clay, H. R. -A- O-10-2744 | Robertson Resources, Inc. | Howard Glasscock | Howard | 6 | 127K | 55.9K | Jan 1993 – Oct 2014 |
| Nunn "A" O-9-11639 | Robertson Resources, Inc. | Spraberry (Trend Area) | Reagan | 3 | 117K | 527K | Jan 1993 – Apr 2026 |
| Deathridge, L. O. O-11-67609 | Robertson Resources, Inc. | Liberty (Wolfcamp) | Dawson | 1 | 84.7K | 8.58K | Aug 1996 – Nov 2021 |
| Nunn -D- O-9-6515 | Robertson Resources, Inc. | Spraberry (Trend Area) | Reagan | 3 | 77.3K | 330K | Jan 1993 – Jul 2025 |
| Kehew O-9-13978 | Robertson Resources, Inc. | Spraberry (Trend Area) | Reagan | 2 | 68.5K | 314K | Nov 1995 – Apr 2026 |
| Zant 37 O-10-34041 | Robertson Resources, Inc. | Zant 37 (Wolfcamp) | Glasscock | 2 | 62.9K | 222K | Nov 1993 – Jan 2012 |
| McRorey Heirs O-8-22368 | Robertson Resources, Inc. | Suggs (Ellenburger) | Nolan | 2 | 56.7K | 74K | Jan 1993 – Jun 1997 |
| Clay, H. R. -B- O-10-2745 | Robertson Resources, Inc. | Howard Glasscock | Howard | 4 | 51.4K | 27 | Jan 1993 – Oct 2014 |
| Nunn B O-9-11133 | Robertson Resources, Inc. | Spraberry (Trend Area) | Reagan | 4 | 50.3K | 472K | Jan 1993 – Jul 2024 |
| Jordan Ranch "J" O-8-22530 | Robertson Resources, Inc. | Suggs (Ellenburger) | Nolan | 1 | 35.8K | 30.1K | Jan 1993 – Aug 2024 |
| Thompson, R. M. O-9-306 | Robertson Resources, Inc. | Brushy Top (Permian) | Sutton | 2 | 31.1K | 21 | Jan 1993 – Mar 2026 |
| Zant 38 O-10-34349 | Robertson Resources, Inc. | Zant 38 (Fusselman) | Glasscock | 2 | 28.9K | 98.5K | Nov 1994 – Mar 2013 |
| Couey, M. L. O-9-13980 | Robertson Resources, Inc. | Spraberry (Trend Area) | Glasscock | 2 | 24.7K | 162K | Nov 1995 – Apr 2026 |
| Spruill O-11-63131 | Robertson Resources, Inc. | Gin, North (8000) | Dawson | 1 | 23.7K | 20.1K | Jan 1993 – Aug 2004 |
| Clay, H. R. -A- O-10-48046 | Robertson Resources, Inc. | Howard Glasscock (Consolidated) | Howard | 5 | 23.2K | 0 | Nov 2014 – Mar 2026 |
| Nunn -C- O-9-13976 | Robertson Resources, Inc. | Spraberry (Trend Area) | Reagan | 2 | 20.6K | 147K | Nov 1995 – Oct 2025 |
| Clay, H. R. -B- O-10-48047 | Robertson Resources, Inc. | Howard Glasscock (Consolidated) | Howard | 4 | 19.5K | 0 | Nov 2014 – Mar 2026 |
| Vermejo "A" O-10-34260 | Robertson Resources, Inc. | Soda Lake (Bone Springs) | Ward | 1 | 19.3K | 78.4K | Aug 1994 – Feb 2012 |
| Barnsley, M. L. O-10-16794 | Robertson Resources, Inc. | Sand Hills (Tubb) | Crane | 2 | 19K | 121 | Jan 1993 – Jan 2003 |
| Jordan Estate O-8-25558 | Robertson Resources, Inc. | Suggs (Ellenburger) | Coke | 1 | 18.2K | 2.54K | Jan 1993 – Oct 2004 |
| Ica/Chevron 22 O-10-46040 | Robertson Resources, Inc. | Spraberry (Trend Area) | Glasscock | 1 | 16.4K | 40.3K | Jul 2014 – Mar 2026 |
| Clark O-8-28010 | Robertson Resources, Inc. | Cricket (Strawn) | Haskell | 2 | 14.3K | 17.4K | Oct 1996 – Sep 2000 |
| Rape, J. M. O-10-16672 | Robertson Resources, Inc. | Waha, West (Delaware) | Reeves | 2 | 13.5K | 10.7K | Jan 1993 – Mar 2009 |
| Cities Service et Al G-10-124211 | Robertson Resources, Inc. | Putnam (Wichita-Albany) | Pecos | 1 | 13K | 2.88M | Jan 1993 – Apr 2026 |
| Mitchell O-10-33293 | Robertson Resources, Inc. | Paladin (Clear Fork) | Winkler | 1 | 11.1K | 35.9K | Jan 1993 – Nov 2000 |
| Palmer, Ruth G. O-10-24365 | Robertson Resources, Inc. | Foster (San Andres) | Ector | 1 | 11.1K | 7.75K | Jan 1993 – Oct 2003 |
| Bettes, Joe "E" O-8-13309 | Robertson Resources, Inc. | Shelton (Flippen) | Taylor | 2 | 10.4K | 330 | Jan 1993 – May 2000 |
| Shaffer, M.C. 154 O-8-12535 | Robertson Resources, Inc. | Taylor County Regular | Taylor | 2 | 10.4K | 46 | Jan 1993 – May 1996 |
| McRorey Heirs O-8-28334 | Robertson Resources, Inc. | Lazarus (Strawn) | Nolan | 1 | 10.2K | 5.77K | Oct 1997 – Aug 2007 |
| B & W O-10-36809 | Robertson Resources, Inc. | Block 12 | Andrews | 1 | 10.1K | 0 | Jan 2002 – Oct 2010 |
| George O-8-28387 | Robertson Resources, Inc. | Little Horn (Canyon Lime) | Nolan | 1 | 9.12K | 0 | Dec 1997 – Jul 2001 |
| Priddy, John F. O-10-17701 | Robertson Resources, Inc. | Zant (San Andres) | Glasscock | 6 | 8.29K | 38 | May 1994 – Mar 2004 |
| Galley Winter O-10-37181 | Robertson Resources, Inc. | Waha, W. (Consolidated Delaware) | Reeves | 1 | 8.24K | 49.3K | Jun 2003 – Feb 2010 |
| Mitchell -A- O-10-27529 | Robertson Resources, Inc. | Monahans, NE. (Penn Detrital,up) | Winkler | 1 | 7.72K | 10.3K | Jan 1993 – Nov 2000 |
| Cities Service et Al G-10-79902 | Robertson Resources, Inc. | Putnam (Wolfcamp) | Pecos | 1 | 6.73K | 2.94M | Jan 1993 – Apr 2026 |
| Bettes, Joe O-8-11367 | Robertson Resources, Inc. | E. J. (Flippen) | Taylor | 1 | 6.62K | 502 | Mar 1993 – Jan 2000 |
| Fasken -8- O-10-21681 | Robertson Resources, Inc. | Spraberry (Trend Area) | Midland | 1 | 5.82K | 38.3K | Jan 1993 – Aug 1998 |
| Burwick Estate O-8-23005 | Robertson Resources, Inc. | Suggs (Ellenburger) | Nolan | 2 | 5.51K | 21 | Jan 1993 – May 1997 |
| Parker Estate -A- O-10-30494 | Robertson Resources, Inc. | Lawson (San Andres) | Ector | 1 | 4.97K | 758 | Jan 1993 – Jul 1998 |
| Hogg O-10-26135 | Robertson Resources, Inc. | Monahans, NE. (Penn Detrital,up) | Winkler | 1 | 4.61K | 5.86K | Jan 1993 – Oct 2000 |
| Philyaw O-8-20752 | Robertson Resources, Inc. | Bettes (Cross Cut) | Taylor | 1 | 4.6K | 1.09K | Jan 1993 – Jul 1995 |
| Bettes "B" O-8-16673 | Robertson Resources, Inc. | E.j.,south (Fry) | Taylor | 2 | 3.98K | 500 | Jan 1993 – Jul 1995 |
| Thomas Ranch "A" O-8-16309 | Robertson Resources, Inc. | Thomas Ranch (Ellenburger) | Nolan | 2 | 3.84K | 16 | Jan 1993 – Sep 1996 |
| Berry,jack -A- O-10-17432 | Robertson Resources, Inc. | Zant (San Andres) | Glasscock | 3 | 3.78K | 49 | Jan 1993 – Feb 2003 |
| 7AST Vermejo -A- O-10-26998 | Robertson Resources, Inc. | Vermejo, E. (Wolfcamp) | Ward | 1 | 2.84K | 380 | Jan 1993 – Jul 1994 |
| Ackers L.J. 37 O-8-14176 | Robertson Resources, Inc. | Ackers (Morris Sand) | Shackelford | 2 | 2.02K | 19 | Jan 1993 – Jan 1998 |
| Jones Estate O-11-62680 | Robertson Resources, Inc. | Jones Ranch, South (San Andres) | Gaines | 1 | 1.76K | 20 | Jan 1993 – Dec 1996 |
| Miller, J. L. O-9-10127 | Robertson Resources, Inc. | Wingate, NW (Gardner) | Runnels | 1 | 1.64K | 24 | Jan 1993 – Jun 1997 |
| McWhorter, Ralph O-10-43859 | Robertson Resources, Inc. | Littman (San Andres) | Andrews | 1 | 1.05K | 3.51K | Mar 2013 – Sep 2021 |