| Hundley, J. K. O-13-29073 | McCutchin, Jerry only | Hundley (Marble Falls) | Montague | 1 | 770 | 0 | Jan 1996 – Apr 1997 |
| Garms-Leathwood G-8-126405 | Southwest Gas Systems, Inc. only | Williams (Marble Falls) | Brown | 1 | 769 | 153K | by Jan 1993 – Aug 2026 |
| Sunwood O-8-16767 | Romac Oil Company, Inc. only | Bruton (Marble Falls) | Throckmorton | 1 | 764 | 19 | by Jan 1993 – Aug 1994 |
| Thompson G-8-174634 | Eastland Operating, L.L.C. only | Mittie (Marble Falls) | Comanche | 1 | 762 | 44.6K | Oct 1999 – Aug 2026 |
| Stuart Ranch G-8-164305 | International Western Oil Corp only | Strawn (Basal Marble Falls) | Palo Pinto | 1 | 762 | 368K | Jun 1997 – Aug 2015 |
| Knox 'E' O-13-33415 | Robuck Petroleum, LLC only | Patten (Marble Falls) | Jack | 2 | 761 | 50.5K | Sep 2015 – Aug 2026 |
| Pugh "A" G-8-113926 | Glahn Resources, Inc. only | Moon, SE. (Marble Falls 3940) | Stephens | 1 | 759 | 133K | by Jan 1993 – Feb 2022 |
| Betty G-8-120445 | Mehaffey Investments, Inc. only | Fair (Marble Falls, Lower) | Eastland | 1 | 758 | 11.5K | May 1993 – May 1995 |
| Coffield-Daniels O-13-29886 | Karper Oil & Gas Corporation only | Karran, North (Marble Falls) | Young | 1 | 758 | 16.1K | Apr 2001 – Mar 2011 |
| Marwitz, W. A. G-8-18099 | Foundation Energy Management LLC only | Pottsville (Marble Falls) | Hamilton | 1 | 753 | 369K | by Jan 1993 – Mar 2019 |
| Texfel - Miller G-8-113742 | Richey, Ray Management Co., Inc. only | Reb (Marble Falls) | Eastland | 1 | 753 | 8.74K | by Jan 1993 – Sep 1995 |
| Whitlock, F. B. G-8-18310 | 3 S Production, Inc. only | Sipe Springs (Marble Falls) | Comanche | 1 | 753 | 144K | by Jan 1993 – Aug 2026 |
| Jolliff G-13-279956 | FX Energy Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 752 | 209K | Apr 2016 – Aug 2026 |
| Long '63' G-8-277473 | Upham Oil & Gas Company only | Burns-Dalton(marble Falls) | Palo Pinto | 1 | 752 | 524K | Mar 2015 – Aug 2026 |
| Hunter, B.L. G-8-123311 | Richey, Ray Management Co., Inc. only | Reb (Marble Falls) | Eastland | 1 | 749 | 72.6K | by Jan 1993 – May 2013 |
| Cawley, C.W. O-8-22554 | North Ridge Corporation only | Sabana (Marble Falls) | Eastland | 1 | 748 | 12.2K | by Jan 1993 – Jul 1995 |
| Knox Estate O-13-33515 | JDL Operating, LLC only | Clark (Marble Falls) | Young | 1 | 745 | 0 | Mar 2016 – Nov 2020 |
| Voyles 110 O-13-31274 | Bay Rock Operating Company only | Antelope,s.e. (Marble Falls) | Jack | 1 | 743 | 0 | Jan 2008 – Aug 2019 |
| Price O-13-32582 | Worsham-Steed Gas Storage, LLC only | KRS (Marble Falls) | Jack | 1 | 743 | 3.93K | Mar 2012 – Sep 2014 |
| Whitis Gas Unit #1 G-8-152849 | Pryor Petroleum Corporation only | X-Ray S.(marble Falls) | Erath | 1 | 738 | 266K | Jul 1995 – Aug 2005 |
| Powers, et Al G-8-270187 | Place Oil and Gas Co. only | W.D.H. (Marble Falls) | Eastland | 1 | 738 | 96.9K | Jul 2012 – Aug 2026 |
| Roberts, Wade "47" O-8-29625 | McClymond, Ltd. only | Woolfolk (Marble Falls) | Shackelford | 1 | 734 | 68.9K | Jun 2005 – Jan 2008 |
| Big Horn Lease O-13-33845 | Amrwr, LLC only | Post Oak, SW. (Marble Falls) | Jack | 1 | 732 | 19K | Jan 2018 – Oct 2019 |
| Eberhart, Sybil Sears G-8-115494 | 3 S Production, Inc. only | Foster (Marble Falls) | Eastland | 1 | 728 | 161K | by Jan 1993 – Aug 2026 |
| SRC-Garms Leatherwood G-8-127014 | Bayou Operating Company, Inc. only | Williams (Marble Falls) | Brown | 1 | 727 | 584K | by Jan 1993 – Aug 2026 |
| North Hargus G-8-186265 | Yellow Rose Oil & Gas Oper. Inc. only | Desdemona, E. (Marble Falls) | Erath | 1 | 725 | 11.5K | Nov 2001 – Jun 2008 |
| Ball G-8-255750 | Tandem Energy Corporation only | Strawn, East (Marble Falls) | Palo Pinto | 1 | 722 | 276K | Oct 2009 – Jan 2026 |
| Enserch G-8-128337 | Sierra Oil Company only | Crawford (Marble Falls) | Eastland | 1 | 718 | 25K | by Jan 1993 – Aug 1998 |
| Tinajero G-13-286863 | Oakridge Oil and Gas, LP only | KRS (Marble Falls) | Jack | 1 | 712 | 11.6K | Feb 2019 – Nov 2021 |
| J.B. Owen G-13-277668 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 712 | 78K | Jan 2015 – May 2023 |
| Robertson O-8-24092 | S.B. Street Operating, Inc. only | Crystal Falls (Miss.) | Stephens | 1 | 709 | 7 | by Jan 1993 – Apr 2001 |
| Reynolds G-8-196500 | Kokomo Energy, Inc. only | Gorman, N. (Marble Falls) | Eastland | 1 | 709 | 60.6K | May 2003 – Aug 2023 |
| Lindsey Ranch O-13-32879 | Devon Energy Production Co, L.P. only | Post Oak, SW. (Marble Falls) | Jack | 1 | 706 | 3.38K | Feb 2013 – Sep 2013 |
| Brant G-8-277652 | Tracer Operating, Inc. only | Strawn, NW. (Marble Falls) | Palo Pinto | 1 | 706 | 194K | May 2015 – Aug 2026 |
| Carver O-8-22586 | North Ridge Corporation only | Reb (Marble Falls) | Eastland | 1 | 704 | 24.1K | by Jan 1993 – Jan 1996 |
| Beck, Raymond One G-8-141397 | Ronning Gas and Oil LLC only | Reb (Marble Falls) | Eastland | 1 | 701 | 140K | by Jan 1993 – Aug 2026 |
| Hale O-8-31882 | Allgood Oil and Gas, LLC only | Beattie (Marble Falls) | Comanche | 1 | 700 | 0 | Oct 2015 – Aug 2018 |
| Huddleston O-8-30237 | Athena Resources, Inc. only | Beattie, N. (Marble Falls) | Comanche | 2 | 698 | 11.9K | Nov 2008 – Sep 2010 |
| Leffall G-6-29394 | North Lake Resources LLC only | Bethany (Pettit) | Harrison | 1 | 698 | 148K | by Jan 1993 – May 2019 |
| Lindley, W.W. G-8-115622 | Eastland Operating, L.L.C. only | Weed Valley (Marble Falls) | Comanche | 1 | 696 | 165K | by Jan 1993 – Nov 2020 |
| Brashears G-8-118585 | Gordon B Services LLC only | Ranger, South (Marble Falls) | Eastland | 1 | 686 | 568K | Feb 1993 – May 2022 |
| Nichols O-8-27703 | West Bay Exploration Company only | C G P (Marble Falls) | Hamilton | 1 | 681 | 50 | Oct 1995 – Jun 1996 |
| Texfel-Miller G-8-161196 | Richey, Ray Management Co., Inc. only | Reb (Marble Falls) | Eastland | 1 | 679 | 3.06K | Nov 1996 – Sep 1998 |
| Yowell, T. J. O-13-23729 | Arrowhead Productions, LP only | Yowell (Marble Falls) | Jack | 1 | 679 | 3.55K | by Jan 1993 – Nov 2000 |
| Citori Carter G-8-276084 | Cholla Petroleum, Inc. only | Strawn, NW. (Marble Falls) | Palo Pinto | 1 | 671 | 19.1K | Feb 2015 – Nov 2017 |
| Reid, M.J. G-8-124509 | Levisay Operating Co. only | M.j.reid (Marble Falls) | Brown | 1 | 670 | 80.8K | by Jan 1993 – Dec 2024 |
| Johnson-Bannin G-13-150233 | Barnett Energy, Inc. only | Creswell (Marble Falls) | Young | 1 | 667 | 43.6K | Jun 1994 – Jul 2001 |
| Robertson CSL G-8-90075 | Stephens & Johnson Operating Co. only | Robertson(marble Falls Zone 5) | Eastland | 1 | 665 | 45.5K | by Jan 1993 – Mar 1996 |
| House G-13-288705 | Eagleridge Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 663 | 115K | Jan 2020 – Dec 2025 |
| Wright G-8-151845 | Scranton Exploration only | Reb (Marble Falls) | Eastland | 1 | 662 | 165K | Sep 1994 – Jul 2026 |