| Hawkins Ranch Gas Unit G-3-210174 | Wadsworth, South (Tex-Miss) | Matagorda | 1 | 45.9K | 1.97M | May 2005 – Jun 2007 | Samson Exploration, LLC |
| Marilyn O-13-29075 | Perrin, N. Afb (Baker SD) | Grayson | 1 | 44.2K | 35.4K | Aug 1996 – Jun 2007 | BKM Production |
| Tom Ranch O-10-29854 | Gordon Street (Wolfcamp 9300) | Martin | 1 | 43.6K | 172K | Aug 1996 – Jun 2007 | Extex Operating Company |
| Guthrie - Dunbar Unit O-9-10205 | Heluma, SE (Devonian) | Upton | 1 | 40.4K | 132K | Aug 1996 – Jun 2007 | Extex Operating Company |
| Kalina O-3-24580 | Kainer (Yegua 6450) | Colorado | 1 | 39.8K | 81.2K | Sep 2003 – Jun 2007 | Samson Lone Star, LLC |
| Caldwell Estate "4" G-10-105773 | San Martine, SW. (Wolfcamp) | Reeves | 1 | 39.8K | 2.86M | Aug 1996 – Jun 2007 | Extex Operating Company |
| Sugg, A. A. 1895 O-9-15306 | Lonesome Reef (Wolfcamp) | Irion | 3 | 39.7K | 73.4K | Oct 2002 – Jun 2007 | Ganador Operating, LLC |
| Shankles, J. M. O-13-28450 | Perrin, N. Afb (Baker SD) | Grayson | 1 | 39.1K | 59K | Aug 1996 – Jun 2007 | BKM Production |
| 1ACOBS Livestock A/C-3 O-9-6833 | Heluma, East (Devonian) | Upton | 2 | 38.9K | 414K | Aug 1996 – Jun 2007 | Extex Operating Company |
| Fred O-6-14546 | Huxley (Fredricksburg) | Shelby | 1 | 38.9K | 153K | Aug 2006 – Jun 2007 | Samson Lone Star, LLC |
| Sterling, A. A. O-3-5264 | Liberty, South | Liberty | 2 | 37.1K | 26.9K | Sep 1996 – Jun 2007 | HD Operating Co, LLC |
| Nelson, C. S. G-2-152286 | George West, West (9500) | Live Oak | 1 | 37.1K | 3.12M | Aug 1996 – Jun 2007 | Sandel Operating Company |
| Rio Farms G-4-224320 | Hargill (Frio Cons.) | Willacy | 1 | 36.5K | 719K | Jan 2007 – Jun 2007 | Pogo Producing Company LLC |
| Paggi Gas Unit G-3-182008 | Constitution (Westbury) | Jefferson | 1 | 36.1K | 274K | Feb 2003 – Jun 2007 | Samson Exploration, LLC |
| Cochran-Railroad Unit O-8-22401 | Suggs (Ellenburger) | Nolan | 2 | 34.5K | 24.5K | Aug 1996 – Jun 2007 | Goodrock Natural Resources, LLC |
| Fagg O-14-7329 | Lipscomb (Tonkawa) | Lipscomb | 1 | 34.3K | 70.2K | Aug 1999 – Jun 2007 | Remora Operating, LLC |
| Morgan-Berry O-13-6858 | Odell (Ellenburger) | Wilbarger | 1 | 33.8K | 0 | Aug 1996 – Jun 2007 | Cooper Oil & Gas, LLC |
| Liberty Townsite Unit 1 O-3-5369 | Liberty, South | Liberty | 1 | 33.8K | 0 | Aug 1996 – Jun 2007 | HD Operating Co, LLC |
| Wilma O-6-14637 | Huxley (Fredricksburg) | Shelby | 1 | 33.2K | 127K | Nov 2006 – Jun 2007 | Samson Lone Star, LLC |
| Cornelius, L. G-3-197613 | Wadsworth, S. (11100, Res.-B | Matagorda | 1 | 33.1K | 1.36M | Aug 2003 – Jun 2007 | Samson Exploration, LLC |
| Bureau of Land Management O-13-24048 | Grace-Mag (Penn Cordell) | Grayson | 1 | 32.8K | 75K | Aug 1996 – Jun 2007 | BKM Production |
| Jacobs Livestock a/C 4 O-9-13723 | Heluma, East (Devonian) | Upton | 1 | 31.9K | 550K | Aug 1996 – Jun 2007 | Extex Operating Company |
| Kotzur State O-4-13105 | Nada Aqui (Mvkbg-5) | Hidalgo | 1 | 31.4K | 78.4K | Mar 2002 – Jun 2007 | OXY USA Inc. |
| Bailey, Travis G-4-162085 | Rockport, West (-K-2) | Aransas | 1 | 31.2K | 1.24M | Feb 1997 – Jun 2007 | Pogo Producing Company LLC |
| Brown O-11-63666 | Levelland | Hockley | 1 | 31K | 54K | Aug 1996 – Jun 2007 | Samson Lone Star, LLC |
| Stanley Pawlik Gas Unit G-2-163882 | Fant (Wilcox 10000) | Live Oak | 1 | 30.9K | 1.19M | Mar 1997 – Jun 2007 | OXY USA Inc. |
| Campbell G-14-215205 | Mendota, NW. (Granite Wash) | Hemphill | 1 | 30.9K | 823K | Feb 2006 – Jun 2007 | Mmgl Txph, LLC |
| Sugg 3067 O-9-11362 | Andrew A. (Canyon) | Irion | 2 | 30.7K | 118K | Aug 1996 – Jun 2007 | Triple Crown Resources, LLC |
| Roper O-10-23653 | HI-Lonesome (Wolfcamp) | Midland | 1 | 30.6K | 67.6K | Aug 1996 – Jun 2007 | Endeavor Energy Resources L.P. |
| Sugg, A.A. 1894 "A" O-9-15358 | Andrew A. (Canyon) | Irion | 2 | 29.6K | 118K | Dec 2002 – Jun 2007 | Triple Crown Resources, LLC |
| Cunningham O-11-66073 | Slaughter | Hockley | 1 | 29.1K | 130K | Aug 1996 – Jun 2007 | Extex Operating Company |
| Paggi Gas Unit G-3-206205 | Constitution (Westbury) | Jefferson | 1 | 29.1K | 436K | Dec 2004 – Jun 2007 | Hilcorp Energy Company |
| Neel, George G-4-157559 | Benavides (Lobo Cons.) | Webb | 1 | 28.7K | 1.81M | Aug 1996 – Jun 2007 | OXY USA Inc. |
| McClelland, J.W. et al Gas Unit G-2-101451 | Limes (Wilcox 9900) | Live Oak | 1 | 28.5K | 1.15M | Aug 1996 – Jun 2007 | OXY USA Inc. |
| Nelson, C. S. G-2-174924 | George West, West (10430) | Live Oak | 1 | 27.6K | 501K | Jun 1999 – Jun 2007 | Sandel Operating Company |
| Sugg 5 O-9-11467 | Andrew A. (Canyon) | Irion | 2 | 26.6K | 735K | Aug 1996 – Jun 2007 | Triple Crown Resources, LLC |
| Slick, Earl F. O-4-13002 | Rincon (G-3, East) | Starr | 1 | 26.5K | 126K | Feb 2002 – Jun 2007 | Merit Energy Company |
| Gordon, Chevron O-10-23685 | Ward, South (Miss) | Ward | 1 | 26.5K | 441K | Aug 1996 – Jun 2007 | Legacy Reserves Operating LP |
| Lancaster G-14-68108 | J-J Creek (Morrow UP) | Wheeler | 1 | 25.8K | 1.43M | Aug 1996 – Jun 2007 | Mmgl Txph, LLC |
| Jacobs Livestock "B" O-9-10218 | Heluma, SE (Devonian) | Upton | 2 | 25.8K | 155K | Aug 1996 – Jun 2007 | Extex Operating Company |
| Nome-Dishman G-3-226430 | Rebel (Yegua) | Jefferson | 1 | 25.8K | 291K | Feb 2007 – Jun 2007 | Hilcorp Energy Company |
| Cochran, J.H. "A" O-8-22006 | Suggs (Ellenburger) | Nolan | 3 | 25.8K | 16.8K | Aug 1996 – Jun 2007 | Goodrock Natural Resources, LLC |
| Hefley 13 O-14-7601 | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 25.8K | 297K | Jul 2005 – Jun 2007 | Samson Lone Star, LLC |
| Myron O-13-22871 | Perrin, N. Afb (Cordell Sd.) | Grayson | 2 | 25.5K | 64.7K | Aug 1996 – Jun 2007 | BKM Production |
| Petro Lewis-Kusch Gas Unit G-13-87284 | Mineral Creek, West (12200) | Grayson | 1 | 25.3K | 2.59M | Aug 1996 – Jun 2007 | BKM Production |
| Bentsen Tract I G-4-218886 | Hinde (Vicksburg Consolidated) | Starr | 1 | 25.1K | 1.14M | Nov 2005 – Jun 2007 | Merit Energy Company |
| Hefley G-14-214193 | Buffalo Wallow (Granite Wash) | Wheeler | 1 | 25K | 1.03M | Dec 2005 – Jun 2007 | Mmgl Txph, LLC |
| Sugg 1895 O-9-13705 | Andrew A. (Canyon) | Irion | 1 | 24.7K | 71.1K | Aug 1996 – Jun 2007 | Triple Crown Resources, LLC |
| Hulan Heirs G-5-219230 | Roundhouse (Haynesville) | Navarro | 1 | 24.4K | 98.8K | Apr 2006 – Jun 2007 | Craton Operating LLC |
| Scott, Walter G-6-142215 | Chapel Hill (Rodessa) | Smith | 1 | 23.2K | 329K | Jan 1999 – Jun 2007 | Atlas Operating LLC |