| Bashara, M. J. -B- O-10-3290 | Keystone (Colby) | Winkler | 13 | 62.8K | 45.7K | by Jan 1993 – Dec 2006 | off the schedule |
| Kubena Wilcox Gas Unit G-2-165291 | Halletsville (Simmons) | Lavaca | 1 | 62.4K | 1.54M | Mar 1997 – Dec 2006 | Capital Star Oil & Gas, Inc. |
| Pan AM-B-Hill,m.j.-MITCHELL,TR.2 O-10-12884 | Halley (Glorieta) | Winkler | 2 | 62.1K | 355K | by Jan 1993 – Dec 2006 | Hilcorp Energy Company |
| Bashara, M. J. -D- O-10-17728 | Keystone (Colby) | Winkler | 2 | 59.2K | 67.6K | by Jan 1993 – Dec 2006 | Hilcorp Energy Company |
| McCutchen, W. A. O-10-27388 | Keystone, SW. (San Andres) | Winkler | 4 | 58.8K | 159K | by Jan 1993 – Dec 2006 | Hilcorp Energy Company |
| Musselman, J. B. G-2-165288 | Rambler (Wilcox 11,800) | De Witt | 1 | 58.7K | 5.38M | Mar 1997 – Dec 2006 | off the schedule |
| Keystone Silurian Unit O-10-23371 | Keystone (Silurian) | Winkler | 41 | 55.6K | 46.9K | Jul 1999 – Dec 2006 | off the schedule |
| Hill, M. J., Mrs., a/C #7 O-10-16058 | Halley (Glorieta) | Winkler | 2 | 53.7K | 415K | by Jan 1993 – Dec 2006 | Hilcorp Energy Company |
| Walton, J. B. O-10-27284 | Keystone, SW. (San Andres) | Winkler | 8 | 50.3K | 996K | by Jan 1993 – Dec 2006 | Hilcorp Energy Company |
| Hill, M. J., Mrs., a/C #1 O-10-16658 | Halley (Clear Fork) | Winkler | 4 | 48.6K | 471K | by Jan 1993 – Dec 2006 | Hilcorp Energy Company |
| Jenkins, Ben, Etal O-10-3419 | Keystone (Silurian) | Winkler | 2 | 48.1K | 124K | by Jan 1993 – Dec 2006 | off the schedule |
| El Coyote "C" G-4-171591 | Lopez Ranch (Vksbg. E) | Brooks | 1 | 45.1K | 1.69M | Nov 1999 – Dec 2006 | off the schedule |
| Lips, Barbara "C" (Ecr) G-4-156679 | El Coyote (Vicksburg E-F Cons.) | Brooks | 1 | 43.1K | 998K | Nov 1999 – Dec 2006 | Besco Operating, L.P. |
| Armstrong, Elizabeth M. Etal O-10-26493 | Block a-34 (Devonian) | Andrews | 1 | 42.1K | 1.64K | by Jan 1993 – Dec 2006 | Citation Oil & Gas Corp. |
| Moss, L. D., Etal O-10-13901 | Troporo (Devonian) | Crane | 2 | 41.8K | 118K | by Jan 1993 – Dec 2006 | Hilcorp Energy Company |
| Hill, M. J., Mrs., A/C#10 O-10-16810 | Halley, South (Queen Sand) | Winkler | 3 | 38.8K | 15.9K | by Jan 1993 – Dec 2006 | Hilcorp Energy Company |
| Jenkins, B. F. O-10-16092 | Keystone (Colby) | Winkler | 5 | 38.4K | 102K | by Jan 1993 – Dec 2006 | Hilcorp Energy Company |
| Walton, J. B. O-10-16084 | Keystone (Colby) | Winkler | 23 | 38.1K | 224K | by Jan 1993 – Dec 2006 | Hilcorp Energy Company |
| Baird, W. E. O-10-17812 | Keystone (Clear Fork) | Winkler | 5 | 32.2K | 305K | by Jan 1993 – Dec 2006 | off the schedule |
| Jones Unit "B" O-11-66474 | Paducah (7400) | Cottle | 1 | 32K | 351K | by Jan 1993 – Dec 2006 | Beaver Oil & Gas Operating, LLC |
| Musselman, J.B. G-2-131018 | Rambler (Wilcox 12,000) | De Witt | 1 | 31K | 3.27M | by Jan 1993 – Dec 2006 | off the schedule |
| Jenkins, Ben, Etal -B- O-10-3420 | Keystone (Silurian) | Winkler | 2 | 30.7K | 179K | by Jan 1993 – Dec 2006 | off the schedule |
| Lips, Barbara "C" (Ecr) G-4-146535 | Lopez Ranch (Consolidated) | Brooks | 1 | 30.1K | 779K | Nov 1999 – Dec 2006 | off the schedule |
| George Ranch G-3-203323 | Smithers Lake (Yegua, AU-1) | Fort Bend | 1 | 29.1K | 852K | Jul 2004 – Dec 2006 | Lakeshore Operating, LLC |
| Walton, J.B. O-10-3422 | Keystone (Silurian) | Winkler | 3 | 28.2K | 48.7K | by Jan 1993 – Dec 2006 | off the schedule |
| Jones Unit "A" O-11-66310 | Paducah (7400) | Cottle | 1 | 28K | 279K | by Jan 1993 – Dec 2006 | Beaver Oil & Gas Operating, LLC |
| Bonorden Gas Unit G-2-170621 | Hallettsville, E.(middle Wilcox) | Lavaca | 1 | 27.5K | 753K | Aug 1998 – Dec 2006 | Capital Star Oil & Gas, Inc. |
| Lips, Barbara "C" (Ecr) G-4-143027 | Lopez Ranch (Consolidated) | Brooks | 1 | 27.2K | 451K | Nov 1999 – Dec 2006 | Besco Operating, L.P. |
| M.J. Hill a/C #3 O-10-27914 | Halley (Clear Fork) | Winkler | 4 | 26.1K | 179K | by Jan 1993 – Dec 2006 | Hilcorp Energy Company |
| Mueller Gas Unit G-2-161425 | Word, N. (Edwards) | Lavaca | 1 | 25.3K | 3.32M | Nov 1996 – Dec 2006 | Capital Star Oil & Gas, Inc. |
| Wynne Gas Unit G-2-139857 | Word, N. (Edwards) | Lavaca | 1 | 24.8K | 6.93M | by Jan 1993 – Dec 2006 | Capital Star Oil & Gas, Inc. |
| Walton, J. B., -F- O-10-19871 | Keystone (Colby) | Winkler | 7 | 24.5K | 195K | by Jan 1993 – Dec 2006 | Hilcorp Energy Company |
| Hill, M. J., Estate O-10-16004 | Halley, South (Queen Sand) | Winkler | 8 | 23.9K | 20.8K | by Jan 1993 – Dec 2006 | Hilcorp Energy Company |
| Barbara Lips Gas Unit G-4-170475 | Lopez Ranch (Consolidated) | Brooks | 1 | 23.5K | 366K | Mar 2000 – Dec 2006 | Besco Operating, L.P. |
| Barbara Lips Gas Unit G-4-148434 | Lopez Ranch (Consolidated) | Brooks | 1 | 23.1K | 832K | Nov 1999 – Dec 2006 | off the schedule |
| Barbara Lips Gas Unit G-4-156299 | Lopez Ranch (Consolidated) | Brooks | 1 | 22.3K | 828K | Nov 1999 – Dec 2006 | Besco Operating, L.P. |
| Pure-Walton O-10-3272 | Keystone (Colby) | Winkler | 39 | 22.1K | 31.3K | Jan 1999 – Dec 2006 | Hilcorp Energy Company |
| Kubena Gas Unit G-2-140335 | Word, N. (Edwards) | Lavaca | 1 | 22K | 3.12M | by Jan 1993 – Dec 2006 | Capital Star Oil & Gas, Inc. |
| B A S H O-10-36242 | Keystone (Ellenburger) | Winkler | 3 | 21.7K | 333K | Jan 2000 – Dec 2006 | Hilcorp Energy Company |
| Portland Gas Unit "D" G-4-177359 | Portland, W. (F-6) | San Patricio | 1 | 21.1K | 771K | Apr 2000 – Dec 2006 | Sulphur River Exploration, Inc. |
| Wynne Gas Unit G-2-145245 | Word, N. (Edwards) | Lavaca | 1 | 20.9K | 3.44M | Apr 1993 – Dec 2006 | Capital Star Oil & Gas, Inc. |
| Hill Estate O-10-28968 | Halley, South (Queen Sand) | Winkler | 1 | 20.8K | 62.2K | by Jan 1993 – Dec 2006 | off the schedule |
| Hill, M. J. Estate O-10-2433 | Halley | Winkler | 2 | 20.1K | 625 | by Jan 1993 – Dec 2006 | Hilcorp Energy Company |
| Hill, Mrs. M. J. a/C #8 O-10-16216 | Halley (Glorieta) | Winkler | 1 | 19.1K | 127K | by Jan 1993 – Dec 2006 | off the schedule |
| Barbara Lips Gas Unit G-4-147263 | Lopez Ranch (Consolidated) | Brooks | 1 | 19.1K | 704K | Nov 1999 – Dec 2006 | Besco Operating, L.P. |
| Mueller Gas Unit G-2-164428 | Word, N. (Edwards) | Lavaca | 1 | 18.9K | 3.1M | Jul 1997 – Dec 2006 | Capital Star Oil & Gas, Inc. |
| Portland Gas Unit - B G-4-147374 | Portland, W. (F-9) | San Patricio | 1 | 18K | 1.69M | Nov 1993 – Dec 2006 | Sulphur River Exploration, Inc. |
| George Ranch EY-1 Gas Unit G-3-211568 | Smithers Lake (Yegua EY-1) | Fort Bend | 1 | 17.9K | 106K | Jul 2005 – Dec 2006 | Lakeshore Operating, LLC |
| Barbara Lips Gas Unit G-4-160202 | Lopez Ranch (Consolidated) | Brooks | 1 | 17.6K | 1.5M | Nov 1999 – Dec 2006 | off the schedule |
| Mueller Gas Unit G-2-116315 | Word, N. (Edwards) | Lavaca | 1 | 16.7K | 1.96M | by Jan 1993 – Dec 2006 | Capital Star Oil & Gas, Inc. |