| University "45-20" O-10-40804 | Energen Resources Corporation | War-Wink, S. (Wolfcamp) | Ward | 2 | 551K | 560K | Aug 2010 – Mar 2015 |
| University O-10-35931 | Energen Resources Corporation | Block 2 (Grayburg) | Andrews | 4 | 382K | 0 | Nov 1998 – Sep 2003 |
| Ring University O-10-13698 | Energen Resources Corporation | Block 2 (Grayburg) | Andrews | 5 | 194K | 18 | Jan 1993 – Sep 2003 |
| Fasken O-10-28081 | Energen Resources Corporation | Midland Farms, North (Grayburg) | Andrews | 4 | 118K | 1.54K | Jan 1993 – Aug 2003 |
| Morrison-Gill O-10-35606 | Energen Resources Corporation | Westbrook (Clear Fork, Upper) | Mitchell | 3 | 113K | 4.43K | Jan 1998 – Apr 2008 |
| University "14-A" O-10-37109 | Energen Resources Corporation | Martin (Wolfcamp) | Andrews | 3 | 107K | 481K | Apr 2003 – Oct 2007 |
| Horwood O-10-40277 | Energen Resources Corporation | Spraberry (Trend Area) | Glasscock | 5 | 95.3K | 260K | Aug 2010 – Apr 2014 |
| Atlantic-Univ. O-10-12251 | Energen Resources Corporation | Block 2 (Grayburg) | Andrews | 7 | 92.7K | 1.58K | Jan 1993 – Sep 2003 |
| McNew 28 O-10-34721 | Energen Resources Corporation | Raman (Fusselman) | Howard | 2 | 92.7K | 11.1K | Oct 1995 – Mar 2013 |
| Fasken BLK -EE- O-10-30451 | Energen Resources Corporation | Block 2 (Grayburg) | Andrews | 6 | 89.7K | 21 | Jan 1993 – Mar 2008 |
| Crespi "M" O-10-32083 | Energen Resources Corporation | Spraberry (Trend Area) | Midland | 2 | 74.5K | 192K | Jan 1993 – May 2018 |
| Epo #1 Daniel Unit O-10-32346 | Energen Resources Corporation | St. Lawrence S. (Strawn) | Glasscock | 1 | 73.3K | 1.7M | Jan 1993 – Jul 2003 |
| Wilbanks O-10-31572 | Energen Resources Corporation | Rose Petal (Lower Miss.) | Martin | 1 | 62.3K | 247K | Jan 1993 – Nov 2018 |
| Smartt, Mrs. Sam et Al O-10-35711 | Energen Resources Corporation | Westbrook (Clear Fork, Upper) | Mitchell | 3 | 52.7K | 18K | Apr 1998 – Apr 2008 |
| Smith, N. R. O-4-1994 | Energen Resources Corporation | Odem | San Patricio | 1 | 47.9K | 117K | Jan 1993 – Dec 2002 |
| University "14-A" O-10-38057 | Energen Resources Corporation | Block 11 (Fusselman) | Andrews | 3 | 47.1K | 371K | Feb 2007 – Apr 2011 |
| Phillips Unit O-10-34072 | Energen Resources Corporation | Patience (Penn-Reef) | Howard | 1 | 47K | 1.05M | Jan 1994 – Jul 2015 |
| Stephens -State -D- O-10-31874 | Energen Resources Corporation | Spraberry (Trend Area) | Midland | 1 | 38.5K | 109K | Jan 1993 – Mar 2018 |
| Welder, J. F. Unit O-4-7587 | Energen Resources Corporation | Odem (6700 Stringer) | San Patricio | 1 | 32.6K | 105K | Jan 1993 – Aug 2000 |
| Smart, Mrs. Lea et al 2 O-10-37397 | Energen Resources Corporation | Westbrook (Clear Fork, Upper) | Mitchell | 1 | 32.1K | 1.65K | Aug 2004 – Apr 2008 |
| University 14A O-10-33358 | Energen Resources Corporation | Martin (Clear Fork, LO) | Andrews | 1 | 29.5K | 221K | Jan 1993 – Oct 2004 |
| O'Neal -B- O-10-31400 | Energen Resources Corporation | Spraberry (Trend Area) | Midland | 1 | 28.7K | 127K | Jan 1993 – Jan 2008 |
| McReynolds -C- O-10-31931 | Energen Resources Corporation | Spraberry (Trend Area) | Martin | 1 | 26.8K | 79.5K | Jan 1993 – Jan 2004 |
| Stephens, Hattie M. O-10-29217 | Energen Resources Corporation | St. Lawrence, SE. (Wolfcamp) | Glasscock | 1 | 26.6K | 48.2K | Jan 1993 – Nov 2016 |
| Argo-Crespi -A- O-10-31324 | Energen Resources Corporation | Spraberry (Trend Area) | Midland | 1 | 26.1K | 86.2K | Jan 1993 – Oct 2009 |
| Jalonick "21" O-10-36562 | Energen Resources Corporation | Spraberry (Trend Area) | Martin | 2 | 25.3K | 40.1K | Feb 2001 – Jul 2008 |
| Welder, J. F., Unit O-4-5681 | Energen Resources Corporation | Odem (6700 -B-) | San Patricio | 4 | 23.4K | 65.5K | Jan 1993 – Jun 2000 |
| Olten Dickenson -A- O-10-21645 | Energen Resources Corporation | Spraberry (Trend Area) | — | 3 | 20.9K | 65.3K | Jan 1993 – Nov 2001 |
| Daniels Unit -2- O-10-32587 | Energen Resources Corporation | St. Lawrence S. (Strawn) | Glasscock | 1 | 20.6K | 542K | Jan 1993 – Mar 2004 |
| Greer McGinley Gas Unit O-10-35908 | Energen Resources Corporation | Vermejo, E. (Wolfcamp) | Ward | 1 | 20K | 21.4K | Aug 1998 – Oct 2012 |
| University O-10-30416 | Energen Resources Corporation | Midland Farms, North (Grayburg) | Andrews | 1 | 20K | 254 | Jan 1993 – Sep 2003 |
| State-Sullivan -C- O-10-510 | Energen Resources Corporation | Brown & Thorp (Clear Fork) | — | 5 | 19.1K | 21 | Jan 1993 – Mar 2008 |
| Miller, H.C. O-10-37583 | Energen Resources Corporation | Westbrook (Clear Fork, Upper) | Mitchell | 2 | 18.6K | 822 | Mar 2005 – Apr 2008 |
| Nail "E-34" O-10-27188 | Energen Resources Corporation | Spraberry (Trend Area) | Martin | 1 | 15.7K | 17.9K | Jan 1993 – Jan 2004 |
| University "14-A" O-10-38030 | Energen Resources Corporation | Martin (San Andres) | Andrews | 4 | 15.1K | 41.7K | Dec 2006 – Nov 2010 |
| Welder, J. F., Unit O-4-7903 | Energen Resources Corporation | Odem, S. (5150) | — | 1 | 15K | 41.9K | Jan 1993 – Jan 2001 |
| Jurecek -D- O-10-32746 | Energen Resources Corporation | St. Lawrence S. (Strawn) | Glasscock | 2 | 14K | 148K | Jan 1993 – Aug 2003 |
| University "13-A" O-10-36289 | Energen Resources Corporation | Block 2 (Grayburg) | Andrews | 2 | 13.9K | 0 | Mar 2000 – Sep 2003 |
| Oldham, Ida Mae "D" O-10-38919 | Energen Resources Corporation | Mid-Mar, East (Strawn) | Midland | 1 | 13.7K | 41K | Aug 2008 – Nov 2009 |
| Frysak, A. M. -A- O-10-23411 | Energen Resources Corporation | Spraberry (Trend Area) | — | 2 | 12.7K | 19.9K | Jan 1993 – Apr 2001 |
| Enserch-Frysak -A- O-10-27866 | Energen Resources Corporation | Spraberry (Trend Area) | Glasscock | 1 | 12.5K | 50.3K | Jan 1993 – Jan 2014 |
| Wilbanks B O-10-44872 | Energen Resources Corporation | Spraberry (Trend Area) | Martin | 1 | 12.3K | 37.6K | Apr 2013 – Mar 2017 |
| Handley, O.H. 1 O-10-37579 | Energen Resources Corporation | Westbrook (Clear Fork, Upper) | Mitchell | 1 | 11.5K | 358 | Feb 2005 – Apr 2008 |
| Stanolind O-9-13918 | Energen Resources Corporation | Spraberry (Trend Area) | Reagan | 3 | 11.5K | 37K | Nov 1995 – May 1999 |
| Epley, L. B. O-10-29658 | Energen Resources Corporation | Mid-Mar, East (Fusselman) | Midland | 1 | 11.5K | 22.1K | Jan 1993 – Mar 2008 |
| Watson, A. J. O-10-38175 | Energen Resources Corporation | Westbrook (Clear Fork, Upper) | Mitchell | 2 | 11.4K | 568 | Mar 2005 – Apr 2008 |
| Proctor, Leonard "A" O-9-7343 | Energen Resources Corporation | Calvin (Dean) | Glasscock | 1 | 11.3K | 26.2K | Jan 1993 – Mar 2008 |
| Jurecek -B- O-10-32586 | Energen Resources Corporation | St. Lawrence S. (Strawn) | Glasscock | 1 | 11K | 314K | Jan 1993 – Oct 2004 |
| Shipley, Truett O-11-60418 | Energen Resources Corporation | Ackerly (Dean Sand) | — | 1 | 10.6K | 532 | Jan 1993 – Dec 2000 |
| Ratliff "A" O-9-9169 | Energen Resources Corporation | Spraberry (Trend Area) | Upton | 2 | 9.09K | 2.45K | Jan 1993 – Oct 2002 |