| Traylor, T.P. "B" O-2-7684 | McGowan Working Partners, Inc. only | Heyser (5400 #2) | Victoria | 8 | 1.03M | 509K | Jan 1993 – Jul 2026 |
| Welder M O-2-12460 | B&L Resources, L.L.C. only | Heyser (5400 #2) | Calhoun | 1 | 65.8K | 129K | Mar 2022 – Jul 2026 |
| Welder, E. H. O-2-3169 | Frostwood Energy, LLC only | Heyser (5400 #2) | Calhoun | 3 | 32K | 4.27K | Jan 1993 – Jul 2026 |
| Welder O-2-9257 | B&L Resources, L.L.C. only | Heyser (5400 #2) | Calhoun | 7 | 24.5K | 107K | Sep 2008 – Jul 2026 |
| Welder, P. H. -B- O-2-10492 | Frostwood Energy, LLC only | Heyser (5400 #2) | Calhoun | 2 | 822 | 0 | Apr 2013 – Jul 2026 |
| Welder, P. H. -C- G-2-60569 | Fredco only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Aug 2022 |
| Welder, P. H. -Strip- G-2-60865 | Penn Virginia Oil & Gas Corp. only | Heyser (5400 #2) | Calhoun | 1 | 0 | 0 | Jan 1993 – Mar 2002 |
| Bennett, W. H. G-2-71445 | Fredco only | Heyser (5400 #2) | Victoria | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Bennett, W. H. (PF) G-2-89490 | McGowan Working Partners, Inc. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Williams, L. D. (PF) G-2-89495 | Pontiac Oil, Inc. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Nov 2016 |
| Dunwoody, Charles S. (PF) G-2-89496 | McGowan Working Partners, Inc. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Williams, L. D. G-2-89894 | Pontiac Oil, Inc. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Nov 2016 |
| Dunwoody, Charles S. G-2-89895 | McGowan Working Partners, Inc. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Bonner, R. R. G-2-89896 | McGowan Working Partners, Inc. only | Heyser (5400 #2) | Victoria | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Schultz G-2-89897 | McGowan Working Partners only | Heyser (5400 #2) | Victoria | 1 | 0 | 0 | Jan 1993 – Jul 1998 |
| Traylor, T. P. -B- G-2-89898 | McGowan Working Partners only | Heyser (5400 #2) | Victoria | 1 | 0 | 0 | Jan 1993 – Jun 1994 |
| Traylor, T. P. -B- G-2-89900 | McGowan Working Partners only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Jan 1995 |
| Traylor, T. P. -B- G-2-89901 | McGowan Working Partners, Inc. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Traylor, T. P. -B- G-2-89903 | McGowan Working Partners, Inc. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Traylor, T. P. -B- G-2-89906 | McGowan Working Partners, Inc. only | Heyser (5400 #2) | Victoria | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Dunwoody, Charles S. G-2-90349 | McGowan Working Partners, Inc. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Welder, P. H. -Strip- G-2-90350 | Penn Virginia Oil & Gas Corp. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Mar 2002 |
| Welder, E. H. Mrs. G-2-90353 | Exxon Corp. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Apr 1994 |
| Welder, E. H. Mrs. G-2-90354 | XOG Operating LLC only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Nov 2008 |
| Welder G-2-90355 | B&L Resources, L.L.C. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Welder, E. H. Mrs. G-2-90356 | Exxon Corp. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Apr 1994 |
| Welder, E. H. Mrs. G-2-90357 | Exxon Corp. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – May 1994 |
| Welder, E. H. Mrs. G-2-90358 | Exxon Corp. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – May 1994 |
| Welder G-2-90361 | B&L Resources, L.L.C. only | Heyser (5400 #2) | Calhoun | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Welder G-2-90363 | B&L Resources, L.L.C. only | Heyser (5400 #2) | Calhoun | 1 | 0 | 0 | Jan 1993 – Oct 2023 |
| Welder, P. H. -A- G-2-90365 | B&L Resources, L.L.C. only | Heyser (5400 #2) | Calhoun | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Welder G-2-90368 | B&L Resources, L.L.C. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Marshall, H. T. (PF) G-2-90791 | McGowan Working Partners, Inc. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Vandenberge, M. T. (PF) G-2-90792 | McGowan Working Partners only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Jun 1994 |
| Welder, E. H. Mrs. (PF) G-2-90793 | XOG Operating LLC only | Heyser (5400 #2) | — | 1 | 0 | 2.09K | Jan 1993 – Jan 2010 |
| Welder, P. H. -B- (PF) G-2-90794 | XOG Operating LLC only | Heyser (5400 #2) | — | 1 | 0 | 29.2K | Jan 1993 – Nov 2008 |
| Schultz (PF) G-2-90795 | McGowan Working Partners only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Jun 1994 |
| Traylor, T. P. -B- (PF) G-2-90796 | McGowan Working Partners, Inc. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Williams, L. D. (PF) G-2-90797 | McGowan Working Partners only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Jul 1994 |
| Bennett, W. H. (PF) G-2-90798 | Fredco only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Mar 2023 |
| Coffey, W. V. (PF) G-2-90799 | Cabot Oil & Gas Production Corp. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Aug 1994 |
| Welder, P. H. -C- (PF) G-2-90801 | Fredco only | Heyser (5400 #2) | — | 1 | 0 | 486K | Jan 1993 – Nov 2022 |
| Welder, P. H. -Strip- (PF) G-2-90802 | Penn Virginia Oil & Gas Corp. only | Heyser (5400 #2) | — | 1 | 0 | 162K | Jan 1993 – Jul 2003 |
| Welder, P. H. -a- (PF) G-2-91177 | XOG Operating LLC only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Aug 2010 |
| Traylor, T. P. -B- G-2-91185 | McGowan Working Partners, Inc. only | Heyser (5400 #2) | Victoria | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Traylor, T. P. -B- G-2-91187 | McGowan Working Partners only | Heyser (5400 #2) | Victoria | 1 | 0 | 0 | Jan 1993 – Dec 1997 |
| Bonner, R. R. (PF) G-2-91316 | McGowan Working Partners, Inc. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Welder, P. H. -C- G-2-91867 | Fredco only | Heyser (5400 #2) | Calhoun | 1 | 0 | 0 | Jan 1993 – Apr 2019 |
| Dunwoody, Charles G-2-92602 | McGowan Working Partners, Inc. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Welder, P. H. -A- G-2-100559 | B&L Resources, L.L.C. only | Heyser (5400 #2) | — | 1 | 0 | 0 | Jan 1993 – Oct 2024 |