| Holloway & Mosterson G-8-49264 | Brown Industrial Gas OP, Inc. only | Brookesmith,e(marble Falls Reef) | Brown | 1 | 0 | 18.6K | by Jan 1993 – Mar 2007 |
| Coats, S. T. G-8-49191 | Maverick Petroleum Corporation only | Desdemona, E. (Marble Falls) | Erath | 1 | 0 | 0 | — |
| Noah, Mamie Estate G-8-48727 | Texcolada Oil Co. only | Desdemona, E. (Marble Falls) | Erath | 1 | 0 | 0 | — |
| Seagram, Joseph E. & Sons G-8-47795 | Shaida, John H. only | Strawn (Marble Falls) | Palo Pinto | 1 | 0 | 457K | by Jan 1993 – Aug 2026 |
| Burchard, F. B. -543- G-8-47510 | Hogan, Wayne Oil Co. only | Burchard (Marble Falls Congl) | Shackelford | 1 | 0 | 47.5K | by Jan 1993 – Mar 1996 |
| Truehart, A. V. G-8-47207 | Southwest Gas Systems, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 6.72K | by Jan 1993 – Mar 1998 |
| Reid, Grady G-8-46230 | Levisay Operating Co. only | M.j.reid (Marble Falls) | Brown | 1 | 0 | 31.2K | by Jan 1993 – Dec 2023 |
| Nabers, Ima Lou & Lynn G-8-45445 | Nabers, Lynn only | Brookesmith,e(marble Falls Reef) | Brown | 1 | 0 | 1.5K | by Jan 1993 – Nov 1999 |
| Lewis-Nabers Unit G-8-45444 | G.& S. Landscaping, Inc. only | Brookesmith,e(marble Falls Reef) | Brown | 1 | 0 | 47.9K | by Jan 1993 – Mar 2021 |
| Newton, L. E. G-8-44850 | Newton, L. E. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Stuart, Julia R. G-8-44045 | Stephens & Johnson Operating Co. only | Strawn, NW. (Marble Falls 3960) | Palo Pinto | 1 | 0 | 1.52K | by Jan 1993 – Jun 1993 |
| Funderburk, A. C. G-8-43396 | Hane Operating, Inc. only | Brookesmith (Marble Falls Reef) | Brown | 1 | 0 | 5 | May 1999 – May 1999 |
| Stuart,j. N. -A- G-8-43276 | Braka Operating, L.L.C. only | Strawn (Marble Falls) | Palo Pinto | 1 | 0 | 289K | by Jan 1993 – Aug 2026 |
| Ritchie, E. B. G-8-43250 | Ranger Operating Co. only | Norris (Marble Falls) | Palo Pinto | 1 | 0 | 80.3K | by Jan 1993 – Mar 2007 |
| Nabers, Ima Lou & Lynn G-8-43157 | G.& S. Landscaping, Inc. only | Brookesmith,e(marble Falls Reef) | Brown | 1 | 0 | 36K | by Jan 1993 – Mar 2021 |
| Nabers, Ima Lou & Lynn G-8-43156 | G.& S. Landscaping, Inc. only | Brookesmith,e(marble Falls Reef) | Brown | 1 | 0 | 9.53K | by Jan 1993 – Mar 2021 |
| Nabers, Ima Lou & Lynn G-8-43155 | G.& S. Landscaping, Inc. only | Brookesmith,e(marble Falls Reef) | Brown | 1 | 0 | 38K | by Jan 1993 – Mar 2021 |
| Moring, J. E. G-8-42881 | Crossbow Resources, LLC only | X-Ray (Marble Falls) | Erath | 1 | 0 | 10.5K | by Jan 1993 – Aug 2026 |
| Baxter & Kirkpatrick G-8-42878 | Cedar Ridge Energy, Inc. only | Brookesmith,e(marble Falls Reef) | Brown | 1 | 0 | 16.1K | Feb 1993 – Feb 2024 |
| Gillespie 'B' O-13-32727 | Pop Operating Company only | Stewart (Marble Falls) | Jack | 1 | 0 | 0 | — |
| Adams, B. J., -A- G-8-42571 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 14.6K | by Jan 1993 – Oct 2015 |
| Moore, H. B. G-8-41413 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 46.7K | by Jan 1993 – Dec 2015 |
| Moore, H. B., -C- G-8-41333 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 28.3K | by Jan 1993 – Dec 2015 |
| Moore, H. B., -A- G-8-41332 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 17.5K | by Jan 1993 – Dec 2005 |
| Powell, Garland -A- G-8-41190 | Cedar Ridge Energy, Inc. only | Santa Anna (Marble Falls) | Coleman | 1 | 0 | 46K | by Jan 1993 – Feb 2024 |
| Neal, L. E. G-8-41141 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 30.2K | by Jan 1993 – Mar 2015 |
| Moore, H. B. -A- G-8-41140 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 15.7K | by Jan 1993 – Feb 2005 |
| Newton, L. E. G-8-41053 | Southwest Gas Systems, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 40.8K | by Jan 1993 – Aug 2026 |
| Adams, B. J. G-8-40956 | Brown Industrial Gas OP, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 13.3K | by Jan 1993 – Dec 2007 |
| Roberts, Lee G-8-40955 | R & D Operating, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 10.8K | by Jan 1993 – Apr 2018 |
| Teague O-13-32776 | Newark E&P Operating, LLC only | KRS (Marble Falls) | Jack | 1 | 0 | 0 | — |
| McNurlen-Kirkpatrick G-8-40690 | Cedar Ridge Energy, Inc. only | Brookesmith,e(marble Falls Reef) | Brown | 1 | 0 | 8.9K | by Jan 1993 – Dec 2019 |
| Madison, H. F. G-8-40468 | Madison, F. H. only | Brownwood, East (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Stuart, Ellen G., -B- G-8-39309 | Stephens & Johnson Operating Co. only | Stuart (Marble Falls 3700) | Palo Pinto | 1 | 0 | 0 | — |
| Miller, G. E. G-8-39282 | Smith, R. W., Inc. only | X-Ray (Marble Falls) | Erath | 1 | 0 | 0 | — |
| Matson, P. I. G-8-38631 | Davis, Don H. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Williams, H. C. G-8-38488 | Southwest Gas Systems, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 85.6K | by Jan 1993 – Aug 2026 |
| Williams, H. C. G-8-38478 | Southwest Gas Systems, Inc. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 69.8K | by Jan 1993 – Aug 2026 |
| Culberson, A. B. G-8-37556 | Shady Oil Co. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 134K | by Jan 1993 – Jul 2026 |
| Wilson, H. E. G-8-37198 | Wilson, H. E. only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 7.7K | by Jan 1993 – Oct 2001 |
| Newton, Ross J. G-8-36663 | Paratus Petroleum LLC only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 41.5K | Nov 1993 – Aug 2026 |
| Shelby, D. A. G-8-36616 | Merenco only | X-Ray (Marble Falls) | Erath | 1 | 0 | 3.22K | by Jan 1993 – Jul 1994 |
| Fulfer, W.T. Mrs. Etal Gas UNIT2 G-8-36464 | Torch Operating LLC only | X-Ray (Marble Falls) | Erath | 1 | 0 | 30.5K | by Jan 1993 – Dec 2003 |
| Baxter, B. S. & Kirkpatrick G-8-36285 | Cedar Ridge Energy, Inc. only | Brookesmith,e(marble Falls Reef) | Brown | 1 | 0 | 33.7K | by Jan 1993 – Feb 2024 |
| Stewart G-8-36205 | Crossbow Resources, LLC only | X-Ray (Marble Falls) | Erath | 1 | 0 | 107K | by Jan 1993 – Aug 2026 |
| Gentry, D. S. G-8-36108 | R & D Operating, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 12.8K | by Jan 1993 – Nov 2010 |
| Fullbright, W. C. G-8-35974 | Huber Energy L.P. only | X-Ray (Marble Falls) | Erath | 1 | 0 | 0 | — |
| McInroe, M. F. G-8-35972 | Crossbow Resources, LLC only | X-Ray (Marble Falls) | Erath | 1 | 0 | 269K | by Jan 1993 – Aug 2026 |
| Blackwell, A. H. G-8-35767 | Crossbow Resources, LLC only | X-Ray (Marble Falls) | Erath | 1 | 0 | 208K | by Jan 1993 – Aug 2026 |
| White, E. L. G-8-35510 | Maverick Petroleum Corporation only | Mittie (Marble Falls) | Comanche | 1 | 0 | 5.85K | by Jan 1993 – Oct 1993 |