| Gresham, Curtis G-6-264502 | Buffco Production Inc. only | Bufkin (Pettit) | Cherokee | 1 | 59.5K | 5.34M | Oct 2011 – Aug 2026 |
| Leitko, Curtis G-3-85810 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 27K | 2.13M | by Jan 1993 – Aug 2026 |
| Reeves-Curtis Unit G-6-278098 | Agis Energy LLC only | Carthage (Cotton Valley) | Panola | 1 | 24.3K | 5.01M | Feb 2015 – Aug 2026 |
| Leitko, Curtis G-3-86219 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 17.5K | 1.48M | by Jan 1993 – Aug 2026 |
| Gresham, Curtis G-6-254568 | Buffco Production Inc. only | Bufkin (Pettit) | Cherokee | 1 | 15.2K | 1.57M | Sep 2009 – Feb 2022 |
| Reeves-Curtis Unit G-6-278104 | Agis Energy LLC only | Carthage (Cotton Valley) | Panola | 1 | 14.5K | 3.99M | Feb 2015 – Dec 2025 |
| Curtis G-14-262519 | Presidio Petroleum LLC only | Buffalo Wallow (Granite Wash) | Hemphill | 1 | 14.4K | 1.07M | Mar 2011 – Aug 2026 |
| Reeves-Curtis Unit G-6-283471 | Agis Energy LLC only | Carthage (Cotton Valley) | Panola | 1 | 14K | 6.15M | Jun 2017 – Aug 2026 |
| Reeves-Curtis Unit G-6-283743 | Agis Energy LLC only | Carthage (Cotton Valley) | Panola | 1 | 11.1K | 5.34M | Jun 2017 – Aug 2026 |
| Reeves-Curtis Unit G-6-283043 | Agis Energy LLC only | Carthage (Cotton Valley) | Panola | 1 | 8.85K | 1.65M | Jun 2017 – Aug 2026 |
| Musselman, George A. G-2-110598 | Hankamer, Curtis Corporation,the only | McDaniel, W. (Yegua K-4) | Lavaca | 1 | 5.91K | 362K | by Jan 1993 – Nov 2007 |
| Curtis Foester G-2-250710 | Mueller Exploration, Inc. only | Magnolia Beach (8700) | Calhoun | 1 | 4.7K | 115K | Jul 2009 – Feb 2017 |
| Curtiss G-2-214062 | Mosbacher Energy Company only | Ramirena (y- 5) | Live Oak | 1 | 4.25K | 149K | Dec 2004 – May 2012 |
| Allen, Curtis G-6-101038 | Buffco Production Inc. only | Minden, W. (Rodessa Hill) | Rusk | 1 | 3.04K | 494K | by Jan 1993 – May 2011 |
| Curtis G-6-267322 | Eqv Operating LLC only | Lansing, N. (Cotton Valley, Lo.) | Gregg | 1 | 2.93K | 1.43M | Sep 2012 – Jul 2026 |
| Conger, Curtis G-6-139793 | SDG Operating Company, Inc only | Quitman-Cathey (Hill, W.) | Wood | 1 | 2.38K | 134K | by Jan 1993 – Jul 2011 |
| Young, Curtis G-13-218308 | BKV Barnett, LLC only | Boonsville (Bend Congl., Gas) | Wise | 1 | 1.33K | 562K | Jun 2006 – Aug 2026 |
| Allen, Curtis G-6-96334 | Green River Resources Inc. only | Minden, W. (Travis Peak 7600) | Rusk | 1 | 879 | 73.3K | by Jan 1993 – Jul 1995 |
| Curtis, J. B. G-8-83834 | Sage Oil and Gas, LLC only | PK Dam (Conglomerate "E") | Palo Pinto | 1 | 676 | 324K | Feb 1993 – Jan 2017 |
| Kahlbau, Mitchell G-8-86925 | Keating Energy, Inc. only | Curtis Mitchell (Congl) | Palo Pinto | 1 | 467 | 217K | Mar 1993 – Aug 2026 |
| Murphey, Elta G-9-52898 | Hankamer, Curtis Corporation,the only | Murphey (Canyon 6950) | Irion | 1 | 297 | 61.3K | by Jan 1993 – Oct 2000 |
| Tally, Curtis G-13-180974 | Bedrock Production, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 133 | 563K | Feb 2001 – Dec 2021 |
| Curtis G-8-66481 | Keating Energy, Inc. only | Mineral Wells (Big Saline) | Palo Pinto | 1 | 111 | 181K | by Jan 1993 – Jan 2003 |
| Tally, Curtis G-13-179231 | Bedrock Production, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 110 | 709K | Oct 2000 – Sep 2011 |
| Collins, Curtis G-8-18162 | Herring, D Oil & Gas Co. only | Santa Anna (Marble Falls) | Coleman | 1 | 71 | 8.03K | by Jan 1993 – Jun 1998 |
| Curtis, J. B. "B" G-8-83835 | Raylee Operating Company only | PK Dam (Conglomerate "E") | Palo Pinto | 1 | 62 | 36.6K | by Jan 1993 – Sep 2005 |
| Tally, Curtis G-13-199454 | BKV Barnett II, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 45 | 2.16M | Nov 2003 – Aug 2026 |
| Curtis, A. B. G-6-29657 | TGNR Panola LLC only | Carthage (Hill, Southeast) | Panola | 1 | 37 | 598K | Mar 1993 – Aug 2026 |
| Curtis G-8-57320 | Dallas Production, Inc. only | Palo Pinto Co. Reg. (Gas) | Palo Pinto | 1 | 37 | 1.71K | Jan 1994 – May 1994 |
| Hickey, Curtis G-6-29445 | HRB Operating Company, Inc. only | Bethany (Pettit) | Panola | 1 | 4 | 4 | Nov 2010 – Jun 2011 |
| Curtis G-8-222096 | Keating Energy, Inc. only | Hart Ranch (Strawn 2850) | Palo Pinto | 1 | 3 | 85.3K | Nov 2006 – Aug 2026 |
| Young, Curtis G-13-88535 | Devon Energy Production Co, L.P. only | Boonsville (Bend Congl., Gas) | Wise | 1 | 2 | 203K | by Jan 1993 – Sep 2007 |
| Reeves-Curtis HV Unit G-6-288579 | TGNR East Texas II LLC only | Carthage (Haynesville Shale) | Panola | 1 | 2 | 12.2M | Feb 2020 – Aug 2026 |
| Reeves-Curtis HV Unit B G-6-288580 | TGNR East Texas II LLC only | Carthage (Haynesville Shale) | Panola | 1 | 0 | 18.2M | Feb 2020 – Aug 2026 |
| Heard G-1-114569 | J-W Operating Co. only | Curtis (Olmos) | Zavala | 1 | 0 | 18.3K | by Jan 1993 – Feb 1997 |
| Walker Ranch G-1-118261 | J-W Operating Co. only | Curtis (Olmos) | Zavala | 1 | 0 | 78.5K | by Jan 1993 – Jan 2002 |
| Curtis, Alton G-2-65193 | Dovex and Co. only | Herndon (3000 Frio) | Goliad | 1 | 0 | 0 | — |
| Curtis Gas Unit G-2-138705 | Dreyfus, Louis Natural Gas Corp only | Goliad, N. (2850) | Goliad | 1 | 0 | 59.6K | by Jan 1993 – Jan 1994 |
| Curtis Foester G-2-241813 | C & E Operating, Inc. only | Magnolia Beach (9300) | Calhoun | 1 | 0 | 260 | Aug 2008 – Aug 2008 |
| Curtis, Eleanor G-5-189408 | Range Production Company only | Wildcat | Henderson | 1 | 0 | 0 | — |
| Curtis, A. R. G-6-32993 | Chevron U. S. A. Inc. only | Carthage (Paluxy) | Panola | 1 | 0 | 167K | by Jan 1993 – Dec 2017 |
| Curtis, H. F. G-6-170600 | Culver & Cain Production LLC only | S.W. Bullard (Rodessa) | Cherokee | 1 | 0 | 0 | — |
| Curtis, J. B. "C" G-8-46638 | Chalmers Exploration Company only | Palo Pinto Co. Reg. (Gas) | Palo Pinto | 1 | 0 | 291 | Feb 1993 – Feb 1993 |
| Lewis, Curtis G-8-100319 | CWC Oil & Gas, LLC only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 6.56K | by Jan 1993 – Jan 2017 |
| Curtis,j.b."c" G-8-121574 | Chalmers Exploration Company only | Palo Pinto Co. Reg. (Gas) | Palo Pinto | 1 | 0 | 1.15K | by Jan 1993 – Aug 1993 |
| Norman, Curtis E. G-9-35216 | Norman, Curtis E., Estate only | Paint Rock, W. (Goen D) | Concho | 1 | 0 | 0 | — |
| Young, Curtis G-13-28861 | Mitchell Energy Corporation only | Boonsville (Bend Congl., Gas) | Wise | 1 | 0 | 0 | — |
| Mills, Curtis GU G-13-228418 | Devon Energy Production Co, L.P. only | Newark, East (Barnett Shale) | Parker | 1 | 0 | 38.7K | Mar 2007 – Nov 2008 |
| Curtis G-14-172436 | Jones Energy, Ltd. only | Collard (White Dolomite) | Hansford | 1 | 0 | 131K | Jun 1999 – Sep 2004 |
| Curtis, A. R. G-6-30160 | TGNR Panola LLC only | Carthage (Pettit, Lower Gas) | Panola | 1 | 0 | 277 | Jul 1993 – Aug 1994 |