| G Klein Unit A O-2-9961 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 9 | 2.58M | 4.33M | Apr 2012 – Aug 2026 |
| G. Klein Unit D O-2-9724 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 5 | 1.76M | 2.93M | Nov 2011 – Aug 2026 |
| G Klein Unit E O-2-9774 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 4 | 1.55M | 2.18M | Mar 2012 – Aug 2026 |
| G Klein Unit B O-2-9771 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 4 | 1.3M | 2.04M | Dec 2011 – Aug 2026 |
| G Klein Unit C O-2-9755 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 2 | 1.05M | 1.63M | Dec 2011 – Feb 2026 |
| G Klein D-Weisch a Usw C O-2-11992 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 672K | 1.3M | Mar 2021 – Aug 2026 |
| G Klein D-Weisch a Usw A O-2-11981 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 658K | 1.65M | Mar 2021 – Aug 2026 |
| G Klein C D-Wsch a Ulw A O-2-12197 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 639K | 1.07M | Mar 2021 – Aug 2026 |
| G Klein C D-Wsch a Ulw B O-2-12194 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 620K | 1.29M | Mar 2021 – Aug 2026 |
| G Klein C D-Wsch a Ulw C O-2-12195 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 577K | 1.43M | Mar 2021 – Aug 2026 |
| G Klein D-Weisch a Usw B O-2-11982 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 464K | 839K | Mar 2021 – Aug 2026 |
| G Klein D-R McHn B Usw A O-2-13147 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 292K | 483K | Dec 2025 – Aug 2026 |
| G Klein D-R McHn B Usw B O-2-13142 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 279K | 432K | Dec 2025 – Aug 2026 |
| G Klein E-R McHn B Usw E O-2-13133 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 272K | 418K | Dec 2025 – Aug 2026 |
| G Klein D-E McHn B Ulw D O-2-13146 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 271K | 431K | Dec 2025 – Aug 2026 |
| G Klein E-McHn a Usw F O-2-13132 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 265K | 438K | Dec 2025 – Aug 2026 |
| G Klein D-R McHn B Usw C O-2-13143 | Burlington Resources O & G Co LP only | Eagleville (Eagle Ford-2) | De Witt | 1 | 238K | 418K | Dec 2025 – Aug 2026 |
| Klein, M. T. O-1-2793 | Texas Petroleum Investment Co. only | Darst Creek (Edwards) | Guadalupe | 7 | 128K | 47 | by Jan 1993 – Aug 2026 |
| Pace & Strange O-13-7962 | Brown, Darryl Operating L.L.C. only | Langston-Kleiner (Strawn) | Young | 2 | 120K | 74.6K | by Jan 1993 – Aug 2026 |
| Johnson Unit O-13-15561 | Don Peterson Company, LLC - only | Langston-Kleiner (Strawn) | Young | 13 | 80.1K | 21 | by Jan 1993 – Aug 2026 |
| Senkel-Hawkins O-13-22924 | Karper Oil & Gas Corporation only | Langston-Kleiner (Strawn) | Young | 4 | 69.4K | 35.3K | by Jan 1993 – Jun 2026 |
| Hinson O-13-8012 | Tomsha LLC only | Langston-Kleiner (Strawn) | Young | 2 | 49.7K | 9 | by Jan 1993 – Dec 2020 |
| Senkel O-13-23651 | Karper Oil & Gas Corporation only | Langston-Kleiner (Strawn) | Young | 3 | 46.7K | 5.21K | Jun 1995 – Jun 2026 |
| Johnson, C. W. O-13-7975 | Tomsha LLC only | Langston-Kleiner (Strawn) | Young | 2 | 37.2K | 9 | by Jan 1993 – Aug 2026 |
| Johnson Estate O-13-7969 | Tomsha LLC only | Langston-Kleiner (Strawn) | Young | 7 | 33.8K | 9 | by Jan 1993 – May 2026 |
| Johnson, C. W. O-13-14192 | Tomsha LLC only | Langston-Kleiner (Miss.) | Young | 1 | 33.6K | 9 | by Jan 1993 – Aug 2026 |
| Kleinschmidt O-3-25253 | Home Petroleum Corp. only | Giddings (Austin Chalk-3) | Lee | 1 | 27.9K | 0 | Oct 2008 – May 2012 |
| Loftin O-13-27128 | Perry Operating Inc. only | Langston-Kleiner (Strawn) | Young | 1 | 27.7K | 5.02K | by Jan 1993 – Aug 2026 |
| Sallyn-Whitaker O-13-22277 | Brown, Darryl Operating L.L.C. only | Langston-Kleiner (Strawn) | Young | 1 | 27.5K | 76.4K | by Jan 1993 – Aug 2026 |
| McKinley, J. P. O-13-7978 | Tomsha LLC only | Langston-Kleiner (Strawn) | Young | 3 | 25.6K | 8 | by Jan 1993 – Aug 2026 |
| Whitaker O-13-28487 | Brown, Darryl Operating L.L.C. only | Langston-Kleiner (Strawn) | Young | 1 | 25.2K | 82.4K | by Jan 1993 – Jul 2026 |
| Gamble O-13-18900 | Peterson, Don Company only | Langston-Kleiner (Strawn) | Young | 1 | 23.1K | 19 | by Jan 1993 – Dec 2012 |
| Kleinhans O-13-22213 | Walter H. Husfeld Oil Co LLC only | Montague County Regular | Montague | 1 | 16.9K | 41.6K | by Jan 1993 – May 2026 |
| Loftin O-13-23331 | Borderline Operating Corp. only | Langston-Kleiner (Strawn) | Young | 3 | 16.7K | 683 | by Jan 1993 – Sep 1999 |
| McCracken O-13-21389 | 2MC Consulting LLC only | Langston-Kleiner (Strawn) | Young | 1 | 15.9K | 3.23K | by Jan 1993 – Aug 2026 |
| Langston, C. W. -A- O-13-7976 | Tomsha LLC only | Langston-Kleiner (Strawn) | Young | 4 | 15K | 9 | by Jan 1993 – Aug 2026 |
| Scanking O-13-28993 | Brown, Darryl Operating L.L.C. only | Langston-Kleiner (Strawn) | Young | 1 | 14.7K | 30K | Jun 1995 – Nov 2004 |
| Johnson O-13-7989 | Schenk Energies only | Langston-Kleiner (Strawn) | Young | 4 | 11.7K | 20 | by Jan 1993 – Aug 2026 |
| Clarida-Knox O-13-8016 | Schenk Energies only | Langston-Kleiner (Strawn) | Young | 8 | 11K | 20 | by Jan 1993 – Aug 2026 |
| Davis O-13-27812 | Borderline Operating Corp. only | Langston-Kleiner (Strawn) | Young | 1 | 10.4K | 32 | by Jan 1993 – Nov 2002 |
| Kleiner Estate O-8-29404 | Texxol Operating Company, Inc. only | Eastland County Regular | Eastland | 1 | 9.42K | 82.9K | Mar 2004 – Aug 2026 |
| Flood, J. Hansen "A" O-8-25992 | Western Production Company only | Kleiner (Lake Sand) | Eastland | 1 | 7.43K | 31.9K | by Jan 1993 – Mar 2009 |
| King O-13-28838 | Borderline Operating Corp. only | Langston-Kleiner (Strawn) | Young | 1 | 6.43K | 349 | Jul 1994 – Nov 2006 |
| Langston, C. W. -B- O-13-7977 | Tomsha LLC only | Langston-Kleiner (Strawn) | Young | 5 | 6.3K | 9 | by Jan 1993 – Aug 2026 |
| Drum-Graves O-13-32549 | Ram Oil and Gas, Inc. only | Langston-Kleiner (Strawn 3200) | Young | 1 | 6.16K | 0 | Feb 2013 – Jul 2025 |
| McDavid, Fannie O-13-8031 | Three P Operating Co.,gp, L.L.C. only | Langston-Kleiner (Strawn 3200 E) | Young | 2 | 5.87K | 210 | by Jan 1993 – Apr 2021 |
| Cunningham, Hattie P. O-13-8015 | Davis, R. E. Oil & Gas, Inc. only | Langston-Kleiner (Strawn) | Young | 1 | 5.29K | 21 | by Jan 1993 – Jul 2003 |
| Hearne, O. B. -B- O-13-8018 | Borderline Operating Corp. only | Langston-Kleiner (Strawn) | Young | 1 | 5.28K | 21 | by Jan 1993 – Apr 2001 |
| King, B. W. O-13-7961 | Brown, Darryl Operating L.L.C. only | Langston-Kleiner (Strawn) | Young | 4 | 5.01K | 5.38K | by Jan 1993 – Aug 2026 |
| Holley O-13-18566 | S.B. Street Operating, Inc. only | Langston-Kleiner (Strawn) | Young | 2 | 4.27K | 19 | by Jan 1993 – Jul 2001 |