| Cooley, M. E. G-2-171763 | Proline Energy Resources Inc only | Mission Valley, W.(wilcox 10600) | Victoria | 1 | 9.08K | 522K | Nov 1998 – Sep 2000 |
| Mitchell-Lollar O-8-28583 | Borderline Operating Corp. only | Jones County Regular | Jones | 1 | 9.07K | 6.22K | Feb 1999 – Mar 2019 |
| Orr-Burks GU G-6-222811 | Proline Energy Resources Inc only | Brachfield, S.E. (Cotton Valley) | Rusk | 1 | 9.03K | 383K | Oct 2006 – Aug 2026 |
| La Blanca Gas Unit G-4-11338 | Proline Energy Resources Inc only | La Blanca (Frio Consolidated) | Hidalgo | 1 | 9.02K | 2.31M | by Jan 1993 – Aug 2026 |
| Fair, R. W. G-6-16287 | MHM Pipeline Co., Inc. only | Lindale (Rodessa) | Smith | 1 | 8.86K | 218K | by Jan 1993 – Dec 2020 |
| West Burnett "RA" O-14-5258 | Red Line Company, Ltd. only | Panhandle Hutchinson County Fld. | Hutchinson | 2 | 8.84K | 5.11K | by Jan 1993 – Aug 2026 |
| Angeline O-4-14082 | Welderxp Ltd. only | Plymouth, East (4300) | San Patricio | 1 | 8.76K | 0 | Jun 2018 – Jun 2021 |
| Bravo Land Company G-4-204579 | Proline Energy Resources Inc only | Bravo (Wilcox 9750) | Duval | 1 | 8.7K | 844K | Sep 2004 – Feb 2010 |
| Southwest Oil & Land Inc. G-4-153302 | Proline Energy Resources Inc only | Los Indios (Vicksburg Cons.) | Hidalgo | 1 | 8.7K | 5.21M | Jan 1995 – Dec 2025 |
| Welder Ranch G-4-184917 | Proline Energy Resources Inc only | Angelita New (Frio) | San Patricio | 1 | 8.68K | 204K | Aug 2001 – Jul 2026 |
| Walker O-1-6926 | Proline Energy Resources Inc only | Dunlap | Caldwell | 6 | 8.63K | 217K | by Jan 1993 – Dec 2021 |
| Blackline O-10-47217 | Hilcorp Energy Company only | F. A. Hogg (Penn Detrital) | Winkler | 1 | 8.62K | 11.3K | Dec 2015 – Aug 2026 |
| Miller G-4-184942 | Proline Energy Resources Inc only | Longhorn, West (3700) | Duval | 1 | 8.57K | 277K | Aug 2001 – Apr 2026 |
| Meider SU G-2-226481 | Proline Energy Resources Inc only | Coquat (Massive Series) | Live Oak | 1 | 8.54K | 998K | Dec 2005 – Dec 2025 |
| Linney, J. W. O-2-3647 | Outline Oil Company LLC only | Papalote, E. (3200 Stringer) | Bee | 1 | 8.53K | 21 | by Jan 1993 – Jun 2024 |
| Call O-4-12005 | Shoreline Production Serv., Inc. only | White Point, East (State) | Nueces | 1 | 8.47K | 15.4K | by Jan 1993 – Feb 1997 |
| Rice GU G-6-230114 | Proline Energy Resources Inc only | Brachfield, S.E. (Cotton Valley) | Rusk | 1 | 8.45K | 485K | Mar 2007 – Aug 2026 |
| Pcsl Sec 26 O-8-25844 | Borderline Operating Corp. only | Curtis (Caddo, Lower) | Throckmorton | 1 | 8.45K | 8.42K | by Jan 1993 – Oct 2005 |
| County Line West 34-22 G O-10-65484 | Diamondback E&P LLC only | Spraberry (Trend Area) | Glasscock | 1 | 8.45K | 17.3K | Aug 2026 – Aug 2026 |
| Russell, Kathline O-3-17634 | E P C Oil & Gas, Inc. only | Chriesman | Burleson | 1 | 8.43K | 22 | by Jan 1993 – Aug 2026 |
| Carrizo-Apache 1A Unit G-3-212368 | Proline Energy Resources Inc only | Raywood (Cook Mtn. 11200) | Liberty | 1 | 8.37K | 241K | Oct 2005 – Nov 2013 |
| Master of Sparks O-9-14417 | Queen Sand Operating Co. only | Hondo Pipeline (Ellenburger) | Irion | 1 | 8.36K | 7.71K | Jul 1996 – Apr 1997 |
| Orr-Burks GU G-6-227519 | Proline Energy Resources Inc only | Brachfield, S.E. (Cotton Valley) | Rusk | 1 | 8.33K | 205K | Feb 2007 – Jan 2026 |
| Caroline Pielop Unit 6 G-1-270059 | BPX Operating Company only | Hawkville (Eagleford Shale) | La Salle | 1 | 8.3K | 4.16M | Apr 2013 – Aug 2026 |
| Dudley O-6-5616 | Proline Energy Resources Inc only | Carthage (Hill, Southwest) | Panola | 1 | 8.29K | 207K | by Jan 1993 – Mar 2014 |
| Richardson O-3-1816 | Sideline Oil & Gas, L.P. only | Goose Creek | Harris | 1 | 8.24K | 57 | by Jan 1993 – Feb 2025 |
| Roberds, Pauline O-8-6053 | Hipp Oil and Gas Inc. only | Eastland County Regular | Eastland | 3 | 8.23K | 24.9K | by Jan 1993 – May 2026 |
| Swenson O-8-28283 | Borderline Operating Corp. only | Curtis (Congl Lower) | Throckmorton | 1 | 8.22K | 25.5K | Oct 1997 – Oct 2005 |
| Webb County School Board G-4-151412 | Proline Energy Resources Inc only | Big Cowboy (Lobo) | Webb | 1 | 8.22K | 1.37M | Oct 1994 – Jul 2025 |
| Kuester Ochoa G-2-291362 | Proline Energy Resources Inc only | Hope (Wilcox Massive) | Lavaca | 1 | 8.15K | 480K | Jan 2021 – Apr 2026 |
| A. Valadez O-4-13795 | American Shoreline, Inc. only | Vaello (Tedlie) | Duval | 1 | 8.12K | 0 | Aug 2012 – Jul 2014 |
| Leveridge, W. C. et UX -B- G-3-147920 | Southeastern Pipe Line Company only | Bernard, East (8000) | Wharton | 1 | 8.09K | 2.26M | Dec 1993 – Mar 2000 |
| Hasdorff "A" G-2-214304 | Proline Energy Resources Inc only | Westhoff (Combined Associated) | Jackson | 1 | 8.05K | 312K | Aug 2005 – Jan 2010 |
| Martin 60 Gas Unit G-1-198501 | Proline Energy Resources Inc only | Bonne Terre (10400) | McMullen | 1 | 8K | 955K | Nov 2003 – Aug 2025 |
| Cody O-4-13004 | Proline Energy Resources Inc only | Baldwin (2100) | Nueces | 1 | 7.95K | 0 | Nov 2000 – Oct 2019 |
| Beard, O. Unit O-6-15200 | Flint Pipeline Company only | Goodson (Travis Peak) | Smith | 1 | 7.9K | 49.4K | Feb 2011 – Aug 2026 |
| Prior Heirs Gas Unit G-6-206968 | Proline Energy Resources Inc only | Beckville (Travis Peak) | Rusk | 1 | 7.88K | 422K | Dec 2004 – Jul 2024 |
| North Grand Saline O-5-4476 | Mud Creek Operating, LLC only | Wesson (Rodessa) | Van Zandt | 1 | 7.88K | 0 | Nov 2023 – Aug 2026 |
| Beaurline, A. W. G-4-173858 | Gn&j LLC only | McAllen Ranch (Vksbg L-V, N Cons | Hidalgo | 1 | 7.86K | 1.43M | Jun 1999 – Feb 2023 |
| Burnett O-14-4464 | Red Line Company, Ltd. only | Panhandle Carson County Field | Carson | 5 | 7.85K | 34.7K | by Jan 1993 – Aug 2026 |
| Beaurline, A.W. G-4-162746 | Cabot Oil & Gas Corporation only | McAllen Ranch (Vksbg. S-T-U, N.) | Hidalgo | 1 | 7.72K | 4.07M | Mar 1997 – Aug 1998 |
| Orr-Burks GU G-6-225309 | Proline Energy Resources Inc only | Brachfield, S.E. (Cotton Valley) | Rusk | 1 | 7.7K | 482K | Jan 2007 – Aug 2026 |
| Farms, I. P. G-3-145816 | Proline Energy Resources Inc only | Chocolate Bayou ( Wieting Up.) | Brazoria | 1 | 7.64K | 312K | by Jan 1993 – Jul 2008 |
| Coe, Caroline et al Unit G-2-107531 | Neumin Production Company only | Appling Point (F-21-B) | Jackson | 1 | 7.63K | 117K | by Jan 1993 – Oct 1999 |
| County Line 22 G-8-185888 | Griffin Resources, LLC only | Lilly Bell (Congl.) | Stephens | 1 | 7.61K | 1.05M | Oct 2001 – Aug 2026 |
| Goldston, W. L. et Al G-4-121394 | Proline Energy Resources Inc only | Los Indios (Vicksburg Cons.) | Hidalgo | 1 | 7.54K | 10.2M | by Jan 1993 – Aug 2026 |
| Farms, I. P. O-3-23129 | Proline Energy Resources Inc only | Chocolate Bayou (Lower Schenk) | Brazoria | 1 | 7.54K | 61.7K | Sep 1996 – Aug 2001 |
| Jacob G-2-184289 | Proline Energy Resources Inc only | Mission Valley, W (Wilcox 10200) | Goliad | 1 | 7.49K | 1.19M | Apr 2001 – May 2026 |
| Caroline G-4-164197 | Kerr-McGee Oil & Gas Onshore LP only | Texan Gardens (5900) | Hidalgo | 1 | 7.39K | 599K | Jul 1997 – Nov 1999 |
| Jord O-14-119 | Red Line Company, Ltd. only | Panhandle Carson County Field | Carson | 2 | 7.38K | 3.81K | Dec 1993 – Aug 2026 |