| Ryan, J. B. O-10-13780 | Luther, SE. (Silurian-Devonian) | Howard | 10 | 332K | 109K | Jan 1999 – Nov 2004 | Mule Kick Operating LLC |
| Bitler-Lowe Clearfork Unit O-10-29029 | Fullerton | Andrews | 50 | 329K | 107K | Jan 1999 – Nov 2004 | Highmark Energy Operating, LLC |
| T. P.-Ryan O-10-13623 | Luther, SE. (Silurian-Devonian) | Howard | 3 | 283K | 9.04K | Jan 1999 – Nov 2004 | Mule Kick Operating LLC |
| Fields O-11-68289 | Salisbury (L. Leonard Sd.) | Gaines | 4 | 234K | 113K | Mar 2001 – Nov 2004 | R2Q Operating LLC |
| Ancell O-11-68178 | Salisbury (L. Leonard Sd.) | Gaines | 3 | 183K | 74.8K | Apr 2000 – Nov 2004 | R2Q Operating LLC |
| Deep Rock Etal -A- O-10-1033 | Deep Rock (Glorieta 5950) | Andrews | 9 | 142K | 16K | Jan 1999 – Nov 2004 | Highmark Energy Operating, LLC |
| Strauch O-11-67584 | Salisbury (L. Leonard Sd.) | Gaines | 4 | 129K | 101K | Jan 1999 – Nov 2004 | R2Q Operating LLC |
| TXL-AI O-10-33236 | Dimmitt (Cherry Canyon) | Loving | 8 | 127K | 426K | Jan 1999 – Nov 2004 | off the schedule |
| Tate -D- O-10-31348 | Luther, SE. (Silurian-Devonian) | Howard | 3 | 121K | 113K | Jan 1999 – Nov 2004 | Mule Kick Operating LLC |
| Wood O-11-67889 | Salisbury (L. Leonard Sd.) | Gaines | 6 | 106K | 44.4K | Jan 1999 – Nov 2004 | R2Q Operating LLC |
| Talbot O-10-21052 | Luther, SE. (Silurian-Devonian) | Howard | 2 | 101K | 84.4K | Jan 1999 – Nov 2004 | Mule Kick Operating LLC |
| Hopkins Unit O-11-68342 | Champmon (Clearfork) | Gaines | 1 | 94.8K | 12.5K | Aug 2001 – Nov 2004 | R2Q Operating LLC |
| Shoe Bar Ranch C O-10-32077 | King Lake (Ellenburger) | Ector | 1 | 84.5K | 47.2K | Jan 1999 – Nov 2004 | off the schedule |
| Fuller O-10-20736 | Luther, SE. (Silurian-Devonian) | Howard | 2 | 82.9K | 62.9K | Jan 1999 – Nov 2004 | Mule Kick Operating LLC |
| Hammond O-11-67710 | Salisbury (L. Leonard Sd.) | Gaines | 4 | 82.7K | 41.7K | Jan 1999 – Nov 2004 | R2Q Operating LLC |
| Northrup-Lindsey O-11-5101 | Riley, North | Gaines | 4 | 75.1K | 29.5K | Jan 1999 – Nov 2004 | R2Q Operating LLC |
| Ogden -A- O-10-1034 | Deep Rock (Glorieta 5950) | Andrews | 3 | 74.5K | 0 | Jan 1999 – Nov 2004 | Highmark Energy Operating, LLC |
| Humble-King O-10-1024 | Deep Rock (Ellenburger) | Andrews | 1 | 66.7K | 73.5K | Jan 1999 – Nov 2004 | Highmark Energy Operating, LLC |
| University -5- O-10-20965 | McFarland (Ellenburger) | Andrews | 1 | 63.5K | 40.7K | Jan 1999 – Nov 2004 | COG Operating LLC |
| University-41 O-10-17219 | McFarland (Ellenburger) | Andrews | 4 | 58.3K | 39.3K | Jan 1999 – Nov 2004 | off the schedule |
| Deep Rock et al -A- O-10-21679 | Shafter Lake (San Andres) | Andrews | 4 | 58.2K | 9.35K | Jan 1999 – Nov 2004 | Highmark Energy Operating, LLC |
| Russell, L. B. O-11-64291 | Carm-Ann (San Andres) | Gaines | 6 | 56.2K | 17.2K | Jan 1999 – Nov 2004 | R2Q Operating LLC |
| Cunningham, H. D. O-11-67773 | Salisbury (L. Leonard Sd.) | Gaines | 1 | 41K | 32.8K | Jan 1999 – Nov 2004 | R2Q Operating LLC |
| Miles, Hayden -A- O-10-8249 | Deep Rock (Ellenburger) | Andrews | 1 | 39.1K | 26.4K | Jan 1999 – Nov 2004 | Highmark Energy Operating, LLC |
| Bitler-Lowe -B- O-10-13485 | Fullerton | Andrews | 11 | 39K | 12.3K | Jan 1999 – Nov 2004 | Highmark Energy Operating, LLC |
| Shell-Perkins O-10-28453 | Deep Rock (Penn.) | Andrews | 10 | 34.3K | 75.6K | Jan 1999 – Nov 2004 | Highmark Energy Operating, LLC |
| Shoe Bar Ranch -A- O-10-32269 | King Lake ( Waddell) | Ector | 2 | 32.6K | 21.8K | Jan 1999 – Nov 2004 | R2Q Operating LLC |
| Maralo-Connell O-11-66448 | Ida Sue (Strawn) | Garza | 2 | 31.3K | 10.7K | Jan 1999 – Nov 2004 | Goodie Interests |
| Rodgers -35- O-10-30193 | Maralo (Wolfcamp) | Pecos | 3 | 26.7K | 128K | Jan 1999 – Nov 2004 | off the schedule |
| Shoe Bar Ranch -B- O-10-31880 | King Lake (Ellenburger) | Ector | 2 | 23.9K | 13.6K | Jan 1999 – Nov 2004 | R2Q Operating LLC |
| Ford, W.T. O-10-29279 | Fuhrman-Mascho | Andrews | 1 | 23.8K | 461K | Jan 1999 – Nov 2004 | R2Q Operating LLC |
| Concord O-10-34143 | Wheat (Cherry Canyon) | Loving | 2 | 23.3K | 56.4K | Jan 1999 – Nov 2004 | off the schedule |
| Miles "B" O-10-25115 | Deep Rock (Devonian) | Andrews | 3 | 22.8K | 50.3K | Jan 1999 – Nov 2004 | Highmark Energy Operating, LLC |
| Shoe-Bar Ranch -B- O-10-32780 | King Lake ( Waddell) | Ector | 1 | 22.4K | 12.1K | Jan 1999 – Nov 2004 | off the schedule |
| Shoe Bar "D" O-10-35836 | King Lake (Devonian) | Ector | 1 | 21.2K | 19.5K | Jan 1999 – Nov 2004 | R2Q Operating LLC |
| Southland Royalty -C- O-10-16023 | Deep Rock, South (Wolfcamp) | Andrews | 1 | 15.7K | 1 | Jan 1999 – Nov 2004 | Highmark Energy Operating, LLC |
| Ogden -B- O-10-10767 | Deep Rock (Glorieta 5950) | Andrews | 1 | 15K | 343 | Jan 1999 – Nov 2004 | Highmark Energy Operating, LLC |
| White O-10-28322 | Means | Andrews | 1 | 12.8K | 4.22K | Jan 1999 – Nov 2004 | off the schedule |
| McMillian O-10-29063 | Deep Rock (Penn.) | Andrews | 1 | 12.6K | 9.06K | Jan 1999 – Nov 2004 | off the schedule |
| Dickenson -19- O-10-25300 | Azalea (Strawn) | Midland | 1 | 12.5K | 54.4K | Jan 1999 – Nov 2004 | Diamondback E&P LLC |
| Barnett O-10-34516 | Wheat (Cherry Canyon) | Loving | 1 | 12.4K | 52.1K | Jan 1999 – Nov 2004 | Black Mountain Operating LLC |
| Humble King O-10-26907 | Deep Rock (Devonian) | Andrews | 1 | 12.3K | 18.3K | Jan 1999 – Nov 2004 | Highmark Energy Operating, LLC |
| Miles, Hayden -A- O-10-31681 | Deep Rock (Devonian) | Andrews | 1 | 11.9K | 8.68K | Jan 1999 – Nov 2004 | Highmark Energy Operating, LLC |
| Mendel Estate -38- O-10-29950 | Maralo (Wolfcamp) | Pecos | 3 | 11.6K | 398K | Jan 1999 – Nov 2004 | off the schedule |
| Lockhart & Brown O-10-36479 | Martin (Consolidated) | Andrews | 1 | 9.09K | 91K | Dec 2000 – Nov 2004 | R2Q Operating LLC |
| Southland Royalty -C- O-10-32033 | Wallen (San Andres) | Andrews | 1 | 8.34K | 0 | Jan 1999 – Nov 2004 | Highmark Energy Operating, LLC |
| Southland Royalty "D" O-10-34938 | Wallen (San Andres) | Andrews | 1 | 7.24K | 0 | Jan 1999 – Nov 2004 | Highmark Energy Operating, LLC |
| Scharbauer, Clarence et Al O-10-36777 | Midland, West (Strawn) | Midland | 1 | 6.6K | 47.9K | Sep 2001 – Nov 2004 | off the schedule |
| Texaco, Inc. "Ata" G-10-108477 | San Martine, SW. (Wolfcamp) | Reeves | 1 | 3.4K | 1.14M | Jan 1999 – Nov 2004 | R2Q Operating LLC |
| Athey State G-10-130575 | Athey (Wolfcamp) | Pecos | 1 | 2.22K | 81.5K | Jan 1999 – Nov 2004 | off the schedule |