| Porterfield-Gifford Hill Unit O-3-22211 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk-3) | Brazos | 2 | 377K | 444K | Nov 1993 – Mar 2026 |
| Saunders, G. H. O-14-650 | Large Operating LLC only | Panhandle Gray County Field | Gray | 56 | 365K | 167K | by Jan 1993 – Apr 2026 |
| Cornfield Unit G-1-297543 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 363K | 1.01M | Jan 2014 – Apr 2026 |
| Texas State Tract # 87 O-3-5797 | Fieldwood SD Offshore LLC only | Umbrella Point (F- 5 Sand) | Chambers | 6 | 362K | 777K | by Jan 1993 – Sep 2008 |
| Jackson, Wm. O-14-331 | Mon Corp. only | Panhandle Gray County Field | Gray | 10 | 362K | 817K | by Jan 1993 – Apr 2026 |
| Columbus Field Unit O-3-785 | Devon Energy Operating Co., L.P. only | Columbus (11-A) | Colorado | 10 | 351K | 474K | by Jan 1993 – Aug 2001 |
| Spring Valley Ranch O-3-22944 | Northfield Enterprises, Inc. only | Giddings (Buda) | Robertson | 4 | 343K | 374K | Oct 1995 – Sep 2013 |
| Smith, S. G. O-7-6157 | Bbhp Oilfield Services LLC only | East Texas | Gregg | 4 | 341K | 125K | by Jan 1993 – Apr 2026 |
| Faulkner, S. -A- O-14-308 | Exxcel Production Company only | Panhandle Gray County Field | Gray | 22 | 335K | 922K | by Jan 1993 – Apr 2026 |
| Fields 33-25 O-10-39205 | Apache Corporation only | Phantom (Wolfcamp) | Ward | 1 | 333K | 469K | Aug 2008 – Mar 2023 |
| SVR 'B' O-5-4194 | Northfield Enterprises, Inc. only | Aguila Vado (Eagleford) | Robertson | 3 | 330K | 49.6K | Jul 2022 – Apr 2026 |
| MF 106158 HI 31-L G-3-251636 | Fieldwood Energy Offshore LLC only | High Island Blk. 30 (8700) | High IS-LB | 1 | 329K | 605K | Aug 2008 – Jun 2015 |
| Keeton O-13-34098 | Muirfield Exploration, Ltd. only | Keeton (Bennett Sand) | Clay | 26 | 328K | 0 | Mar 2022 – Mar 2026 |
| Palmer, J. H. O-14-603 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 17 | 327K | 557K | by Jan 1993 – Apr 2026 |
| Warfield West K O-10-55185 | Diamondback E&P LLC only | Spraberry (Trend Area) | Midland | 1 | 323K | 696K | Jan 2020 – Apr 2026 |
| N. Padre Island 883-L/899-L Unit G-4-181502 | Fieldwood Energy LLC only | Npi 883-L (MT-1A Sand) | N Padre IS-LB | 1 | 317K | 5.91M | Jun 2001 – Nov 2012 |
| Schafer Ranch East O-14-6568 | M5OEXIT, LLC only | Panhandle Carson County Field | Carson | 205 | 317K | 506K | by Jan 1993 – Mar 2023 |
| Canon O-10-5870 | Incline Energy only | Sheffield (Ellenburger) | Pecos | 17 | 312K | 889K | Mar 2005 – Apr 2026 |
| Spring Valley Ranch LL O-3-25423 | Northfield Enterprises, Inc. only | Giddings (Austin Chalk-3) | Robertson | 1 | 312K | 56.5K | Feb 2009 – Apr 2026 |
| Kingsfield C O-10-51437 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 3 | 311K | 1.85M | May 2018 – Apr 2026 |
| Cornfield Unit G-1-297542 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 310K | 942K | Dec 2018 – Apr 2026 |
| Kingsfield B O-10-51059 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 2 | 308K | 793K | May 2018 – Apr 2026 |
| Winfield B Unit O-1-16304 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 307K | 485K | Jan 2013 – Mar 2026 |
| Jeff Nunn O-14-156 | T&R Energy Services only | Panhandle Carson County Field | Carson | 13 | 306K | 1.48M | by Jan 1993 – Mar 2026 |
| Sneed J.S.J. O-14-6881 | Lasater & Co, Inc. only | Panhandle Moore County Field | Moore | 2 | 305K | 121K | by Jan 1993 – Apr 2026 |
| Johnson, West O-14-1449 | Mountainside Energy Operating, L only | Panhandle Wheeler County Field | Wheeler | 20 | 305K | 193K | by Jan 1993 – Mar 2026 |
| Edington, Della O-14-389 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 9 | 304K | 266K | by Jan 1993 – Apr 2026 |
| Winfield-Raemay Allocation E O-1-19305 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 302K | 336K | May 2018 – Jul 2025 |
| Combs-Worley O-14-512 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 15 | 302K | 1.45M | by Jan 1993 – Apr 2026 |
| Fishers Reef Field Unit #1 O-3-6384 | Galveston Bay Operating Co LLC only | Fishers Reef | Chambers | 6 | 300K | 768K | by Jan 1993 – Jun 2021 |
| Hatfield, Eva O-3-763 | Lewis Operating Company only | Clodine | Fort Bend | 3 | 300K | 52.8K | by Jan 1993 – Apr 2026 |
| MD 18 O-14-7792 | Arrow Oil & Gas, LLC only | Mansfield Dome (Canyon Reef) | Oldham | 7 | 299K | 0 | Jul 2007 – Apr 2026 |
| Mansfield "CS" O-14-4543 | Stephens & Johnson Operating Co. only | Lambert 2 (Cisco) | Oldham | 3 | 296K | 29.4K | by Jan 1993 – Apr 2026 |
| Cornfield Unit G-1-291144 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 295K | 1M | Dec 2018 – Apr 2026 |
| Mamie Wakefield O-3-26485 | Trailblazer Energy Resources,llc only | Halliday (Woodbine) | Leon | 2 | 295K | 485K | Jan 2013 – Apr 2026 |
| Spring Valley Ranch B O-3-24159 | Northfield Enterprises, Inc. only | Giddings (Austin Chalk-3) | Robertson | 1 | 292K | 82K | Nov 2001 – Apr 2026 |
| Fielding, C. D. "A" O-11-66068 | Rogers, S. K. Oil, Inc. only | Hamilton (Clearfork) | Hockley | 2 | 291K | 11.4K | by Jan 1993 – Apr 2026 |
| Pegasus Field Unit 3 O-9-15528 | COG Operating LLC only | Pegasus (Wolfcamp) | Upton | 16 | 289K | 831K | Mar 2004 – Apr 2010 |
| Harlan -A- O-14-1469 | Ponderosa TX Operating LLC only | Panhandle Wheeler County Field | Wheeler | 7 | 288K | 312K | by Jan 1993 – Apr 2026 |
| Ben-Gene Field Unit O-6-5657 | Rose City Resources, LLC only | Ben-Gene (Woodbine) | Harrison | 16 | 286K | 210 | by Jan 1993 – Apr 2024 |
| Gresham A O-3-25853 | Thomfield Energy LLC only | Halliday (Woodbine) | Leon | 1 | 285K | 328K | Feb 2012 – Apr 2026 |
| Powell -B- O-14-582 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 8 | 283K | 769K | by Jan 1993 – Apr 2026 |
| BP Fairfield G-3-258715 | Cimarex Energy Co. only | Perl (Yegua Middle EY) | Jefferson | 1 | 279K | 3.31M | Jul 2010 – Dec 2012 |
| Cornfield Unit G-1-297541 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 278K | 885K | Dec 2018 – Apr 2026 |
| Halff Field Unit O-9-4709 | Ecowell Oil and Gas LLC only | Halff | Crockett | 137 | 277K | 4.27K | by Jan 1993 – Jun 2024 |
| Persimmon Creek "E" O-3-22006 | Northfield Enterprises, Inc. only | Giddings (Austin Chalk-3) | Robertson | 2 | 277K | 44.6K | Mar 1993 – Apr 2026 |
| Dreyer, William G-2-179397 | Field Petroleum Corp. only | Mission Valley (10,220) | Victoria | 1 | 277K | 11.4M | Aug 2000 – Apr 2026 |
| Werner, Louis, -E- O-6-3547 | JHS Oilfield Services LLC only | Bethany, NE. (Lime 3850) | Panola | 6 | 277K | 43K | by Jan 1993 – Apr 2026 |
| Henderson Ranch Unit O-9-10062 | Concho Oilfield Serv & Oper Co. only | Henderson (Camar Sand) | Concho | 9 | 277K | 23.8K | by Jan 1993 – Jun 2009 |
| Finley, B. E. O-14-249 | Ponderosa TX Operating LLC only | Panhandle Gray County Field | Gray | 14 | 277K | 963K | by Jan 1993 – Apr 2026 |