| Ohio-Sun Unit G-3-167197 | Allegiant Resources, LLC only | Markham N.-Bay CITY,N(MARK.7900) | Matagorda | 1 | 13.6K | 263K | Feb 1998 – Apr 2002 |
| Ohio-Sun Unit G-3-147825 | Allegiant Resources, LLC only | Markham N.-Bay City, N (Braman) | Matagorda | 1 | 12.9K | 865K | Dec 1993 – Feb 2018 |
| Ohio-Sun Unit G-3-173821 | Comstock Oil & Gas, Inc. only | Markham,n.-Bay CITY,N.(7500) | Matagorda | 1 | 11.7K | 390K | Jul 1999 – Dec 2001 |
| Ohio-Sun Unit G-3-145585 | Marathon Oil Company only | Markham N.-Bay City, N (Braman) | Matagorda | 1 | 9.49K | 820K | May 1993 – May 1998 |
| Ohio Sun Unit G-3-149259 | Comstock Oil & Gas, Inc. only | Markham N.-Bay City, N (Braman) | Matagorda | 1 | 7.57K | 507K | Apr 1994 – May 1998 |
| Markham G-11-123840 | Manzano, LLC only | Two States (San Andres) | Cochran | 1 | 4.92K | 414K | Nov 1993 – Apr 2026 |
| Runnells G-3-282937 | Millennium Exploration Co. LLC only | Markham N.-Bay CITY,N(7300) | Matagorda | 1 | 4.02K | 464K | Jan 2017 – Aug 2019 |
| Ohio-Sun Unit G-3-161714 | Marathon Oil Company only | Markham N.-Bay City, N (Braman) | Matagorda | 1 | 3.8K | 167K | Jan 1997 – Apr 1999 |
| Ohio-Sun Unit G-3-161072 | Allegiant Resources, LLC only | Markham N.-Bay CITY,N(MARK.7900) | Matagorda | 1 | 3.45K | 182K | Dec 1996 – Mar 2000 |
| Ohio Sun Unit G-3-148229 | Allegiant Resources, LLC only | Markham N.-Bay City, N (W. 1 UP) | Matagorda | 1 | 3.44K | 1.58M | Feb 1994 – Oct 2008 |
| Ohio-Sun Unit G-3-151973 | Marathon Oil Company only | Markham N.-Bay City, N (Everett) | Matagorda | 1 | 3.34K | 435K | Nov 1994 – Jan 1998 |
| Markham G-14-249495 | Presidio Petroleum LLC only | Allison Parks (Granite Wash) | Hemphill | 1 | 3.17K | 437K | Jan 2009 – Jul 2024 |
| Ohio-Sun Unit G-3-152813 | Marathon Oil Company only | Markham N.-Bay City, N (Braman) | Matagorda | 1 | 2.98K | 192K | Jan 1995 – Dec 1998 |
| Ohio-Sun Unit G-3-146588 | Marathon Oil Company only | Markham N.-Bay City, N (Betts) | Matagorda | 1 | 2.34K | 164K | Jul 1993 – Oct 1994 |
| Ohio Sun Unit G-3-184618 | Allegiant Resources, LLC only | Markham N.-Bay City, N (Braman) | Matagorda | 1 | 2.33K | 192K | Mar 2001 – Aug 2012 |
| Ohio-Sun Unit G-3-168644 | Allegiant Resources, LLC only | Markham N.-Bay CITY,N(MARK.7900) | Matagorda | 1 | 2.22K | 118K | Jun 1998 – Sep 2018 |
| Ohio-Sun Unit G-3-173735 | Marathon Oil Company only | Markham N.-Bay CITY,N(MARK.7900) | Matagorda | 1 | 2.19K | 39.1K | Jul 1999 – Dec 2000 |
| Ohio-Sun Unit G-3-149758 | Allegiant Resources, LLC only | Markham N.-Bay City, N (Betts) | Matagorda | 1 | 1.97K | 408K | Apr 1994 – Nov 1999 |
| McDonald, E. L. G-3-179152 | EOG Resources, Inc. only | Markham, N. (Anomalina B Upper) | Matagorda | 1 | 1.87K | 134K | Aug 2000 – Sep 2002 |
| Ohio Sun Unit G-3-132362 | Allegiant Resources, LLC only | Markham,n.-Bay City,n. (Yeager) | Matagorda | 1 | 1.53K | 321K | by Jan 1993 – Oct 1995 |
| Ohio-Sun Unit G-3-172794 | Allegiant Resources, LLC only | Markham N.-Bay CITY,N(MARK.7900) | Matagorda | 1 | 1.26K | 59.3K | Mar 1999 – Feb 2000 |
| Ohio Sun Unit G-3-117728 | Marathon Oil Company only | Markham N.-Bay City, N (Carlson) | Matagorda | 1 | 929 | 28.4K | Mar 1993 – Jul 1994 |
| Ohio-Sun Unit G-3-176030 | Comstock Oil & Gas, Inc. only | Markham N.-Bay CITY,N(MARK.7900) | Matagorda | 1 | 920 | 76.8K | Jan 2000 – Dec 2002 |
| Ohio-Sun Unit G-3-180126 | Premier Natural Resources, LLC only | Markham,n.-BAYCITY,N.(7550-A) | Matagorda | 1 | 841 | 32.5K | Nov 2000 – Jul 2001 |
| Ohio-Sun Unit G-3-174200 | Marathon Oil Company only | Markham N.-Bay City, N (Braman) | Matagorda | 1 | 840 | 38.3K | Sep 1999 – Oct 2000 |
| McDonald, E. L. G-3-179553 | EOG Resources, Inc. only | Markham, N. (Anomalina B Lower) | Matagorda | 1 | 795 | 67.1K | Jul 2000 – Nov 2000 |
| Ohio Sun Unit G-3-147912 | Allegiant Resources, LLC only | Markham N.-Bay City, N (7150) | Matagorda | 1 | 626 | 66.3K | Dec 1993 – May 1994 |
| Ohio-Sun Unit G-3-157290 | Allegiant Resources, LLC only | Markham N.-Bay City, N (W. 1 UP) | Matagorda | 1 | 545 | 224K | Dec 1995 – Feb 2000 |
| Ohio-Sun Unit G-3-293605 | Allegiant Resources, LLC only | Markham N.-Bay City, N (Braman) | Matagorda | 1 | 404 | 93.4K | Oct 2022 – Apr 2026 |
| Ohio-Sun Unit G-3-177417 | Allegiant Resources, LLC only | Markham N.-Bay CITY,N(MARK.7900) | Matagorda | 1 | 374 | 177K | May 2000 – Apr 2026 |
| Ohio-Sun Unit G-3-150259 | Premier Natural Resources, LLC only | Markham N.-Bay City, N (League) | Matagorda | 1 | 340 | 7.85K | Jun 1994 – Jun 1995 |
| Ohio-Sun Unit G-3-151974 | Comstock Oil & Gas, Inc. only | Markham N.-Bay CITY,N(MARK.7900) | Matagorda | 1 | 334 | 70.8K | Nov 1994 – Aug 1997 |
| Ohio - Sun Unit G-3-162957 | Allegiant Resources, LLC only | Markham N.-Bay City, N (Ross) | Matagorda | 1 | 147 | 21.4K | Apr 1997 – Dec 1997 |
| Ohio Sun Unit G-3-186480 | Marathon Oil Company only | Markham N-Bay CITY,N(CHOATE7100) | Matagorda | 1 | 87 | 981 | Apr 2001 – Jun 2001 |
| Ohio-Sun Unit G-3-100771 | Comstock Oil & Gas, Inc. only | Markham N.-Bay City,n (McDonald) | Matagorda | 1 | 84 | 38.2K | Jun 1994 – Oct 2002 |
| Ohio-Sun Unit G-3-171403 | Marathon Oil Company only | Markham N.-Bay City, N (Braman) | Matagorda | 1 | 78 | 96.1K | Dec 1998 – Apr 2000 |
| Ohio Sun Unit G-3-182598 | Remora Management, LLC only | Markham N.-Bay City,n (McDonald) | Matagorda | 1 | 76 | 23.4K | Apr 2001 – Jun 2002 |
| Ohio-Sun Unit G-3-199351 | Remora Management, LLC only | Markham N.-Bay City, N (W. 3 UP) | Matagorda | 1 | 9 | 493K | Jan 2004 – Jun 2011 |
| Coastal Texas Mineral Venture G-3-179575 | Suemaur Expl. & Prod., LLC only | Markham | Matagorda | 1 | 2 | 1.05M | Jun 2000 – Apr 2014 |
| Ohio-Sun Unit G-3-176904 | Marathon Oil Company only | Markham N.-Bay City, N (W. 2 UP) | Matagorda | 1 | 1 | 82.3K | Apr 2000 – Feb 2001 |
| Ohio-Sun Unit G-3-283848 | Allegiant Resources, LLC only | Markham N.-Bay City,n(cornelius) | Matagorda | 1 | 0 | 260K | Sep 2017 – Jul 2020 |
| Ohio Sun Unit G-3-7273 | Premier Natural Resources, LLC only | Markham N.-Bay City, N (Braman) | Matagorda | 1 | 0 | 0 | — |
| Ohio Sun Unit G-3-7294 | Premier Natural Resources, LLC only | Markham N.-Bay City, N (W. 1 UP) | Matagorda | 1 | 0 | 0 | — |
| Ohio-Sun Unit G-3-41446 | Premier Natural Resources, LLC only | Markham N.-Bay City,n (McDonald) | Matagorda | 1 | 0 | 0 | — |
| Sisk, R. J. et al 10 Acre G-3-65718 | Pace Oil and Gas Company only | Markham (Frio) | Matagorda | 1 | 0 | 0 | — |
| Rycade G-3-70590 | H Oil Company, Inc. only | Markham (Frio) | Matagorda | 1 | 0 | 0 | — |
| Ohio Sun Unit G-3-104148 | Marathon Oil Company only | Markham N.-Bay CITY,N(MARK.7900) | Matagorda | 1 | 0 | 0 | — |
| McFarland, Robert et Al G-3-106542 | Pennzoil Exploration & Prod. Co. only | Pledger (Markham 7700) | Brazoria | 1 | 0 | 0 | — |
| Ohio-Sun Unit G-3-122874 | Allegiant Resources, LLC only | Markham N.-Bay City, N (Cayce) | Matagorda | 1 | 0 | 0 | — |
| Ohio Sun Unit G-3-128520 | Marathon Oil Company only | Markham N.-Bay CITY,N(MARK.7900) | Matagorda | 1 | 0 | 0 | — |