| Bell Valley G-4-198117 | EOG Resources, Inc. only | Midway, South (Consolidated) | San Patricio | 1 | 694K | 11.7M | Nov 2003 – Aug 2010 |
| Valley G-4-197376 | Harris Energy Services, LLC only | Midway, South (Consolidated) | San Patricio | 1 | 544K | 7.37M | Sep 2003 – Jun 2022 |
| McKamey G-4-233342 | Midstar Energy Corporation only | Midway, South (Consolidated) | San Patricio | 1 | 538K | 2.59M | Nov 2007 – Apr 2026 |
| Valley G-4-206475 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 243K | 4.69M | Nov 2004 – Apr 2026 |
| Apex GU G-4-199536 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 195K | 5.01M | Nov 2003 – Apr 2026 |
| Valley G-4-200931 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 165K | 1.36M | Mar 2004 – Dec 2025 |
| Crites A G-4-212182 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 158K | 3.48M | Jun 2005 – Dec 2025 |
| Smith L G-4-205634 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 129K | 3.39M | Oct 2004 – Apr 2026 |
| Crites "A" G-4-207407 | EOG Resources, Inc. only | Midway, South (Consolidated) | San Patricio | 1 | 116K | 4.78M | Jan 2005 – Dec 2012 |
| Narrow Road GU G-4-214702 | EOG Resources, Inc. only | Midway, South (Consolidated) | San Patricio | 1 | 112K | 2.59M | Aug 2005 – Sep 2018 |
| Crites G.U. G-4-269762 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 107K | 1.19M | Dec 2012 – Dec 2019 |
| Shell "C" G-4-209899 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 103K | 1.72M | May 2005 – Apr 2026 |
| Floerke-McKamey GU G-4-275555 | Southcoast Production Inc only | Midway, South (Consolidated) | San Patricio | 1 | 82.1K | 4.05M | Nov 2014 – Sep 2018 |
| Hoskinson "A" G-4-114581 | Shore Petroleum Corp. only | Midway, South (Consolidated) | San Patricio | 1 | 77K | 1.36M | Jan 1993 – Nov 2024 |
| Bell Farms G-4-204937 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 72.7K | 1.14M | Sep 2004 – Jun 2025 |
| Smith L G-4-266020 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 67.3K | 543K | Oct 2012 – Oct 2025 |
| Smith L G-4-214800 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 66.3K | 1.65M | Nov 2005 – May 2025 |
| Valley G-4-226861 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 64.2K | 747K | Mar 2007 – Apr 2026 |
| Jones Estate G-4-226744 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 53.3K | 4.25M | Apr 2007 – Feb 2026 |
| Simons G-4-192519 | Dewbre Petroleum Corporation only | Midway, South (Consolidated) | San Patricio | 1 | 52.6K | 990K | Oct 2002 – Apr 2017 |
| Mustang Farms GU G-4-278229 | Orx Resources, L.L.C. only | Midway, South (Consolidated) | San Patricio | 1 | 47.2K | 2.78M | Sep 2015 – Sep 2020 |
| Bell Farms G-4-216716 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 43K | 2.32M | Jan 2006 – Apr 2026 |
| Apex GU G-4-224307 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 37.8K | 1.49M | Jan 2007 – Jun 2015 |
| Jones Estate G-4-216031 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 34.9K | 2.62M | Feb 2006 – Feb 2026 |
| Lucky Jones G-4-222943 | EOG Resources, Inc. only | Midway, South (Consolidated) | San Patricio | 1 | 33.1K | 1.97M | Oct 2006 – Jul 2015 |
| Jones -G- G-4-74203 | EOG Resources, Inc. only | Midway, South (Consolidated) | San Patricio | 1 | 32K | 2.09M | Jan 1993 – May 2012 |
| Smith "L" G-4-108840 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 30.7K | 1.14M | Jan 1993 – Aug 2024 |
| Crites A G-4-219672 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 25.1K | 972K | Jan 2006 – Dec 2025 |
| Shell E G-4-268961 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 20.9K | 293K | Oct 2012 – Apr 2026 |
| Shell G-4-243618 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 20.7K | 602K | Aug 2008 – Dec 2025 |
| Schmidt, H. G-4-79878 | XTO Energy Inc. only | Midway, South (Consolidated) | San Patricio | 1 | 18.6K | 1.2M | Jan 1993 – Feb 2012 |
| McKamey G-4-257175 | Orx Resources, L.L.C. only | Midway, South (Consolidated) | San Patricio | 1 | 18.1K | 555K | Jul 2010 – Apr 2026 |
| Davis G-4-218885 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 17K | 1.61M | Feb 2006 – Mar 2025 |
| Hoskinson "A" G-4-234897 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 16.9K | 541K | Jan 2008 – Dec 2025 |
| DHW GU G-4-223960 | EOG Resources, Inc. only | Midway, South (Consolidated) | San Patricio | 1 | 16.2K | 493K | Mar 2007 – Sep 2017 |
| Davis G-4-230034 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 14.9K | 1.42M | Aug 2007 – Mar 2025 |
| Smith, Carl G-4-80110 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 14.8K | 1.75M | Jan 1993 – Mar 2022 |
| McKamey G-4-217338 | XTO Energy Inc. only | Midway, South (Consolidated) | San Patricio | 1 | 8.1K | 114K | Mar 2006 – Apr 2015 |
| Hoskinson "A" G-4-219886 | EOG Resources, Inc. only | Midway, South (Consolidated) | San Patricio | 1 | 2.76K | 104K | May 2006 – Dec 2007 |
| Jones "H" G-4-225028 | Green Exploration Company only | Midway, South (Consolidated) | San Patricio | 1 | 2.61K | 21.2K | Sep 2007 – Apr 2014 |
| Schmidt, M. W. G-4-233511 | EOG Resources, Inc. only | Midway, South (Consolidated) | San Patricio | 1 | 703 | 30.3K | Nov 2007 – Apr 2009 |
| Crites A G-4-224267 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 282 | 8.87K | Jan 2007 – May 2007 |
| McKamey G-4-217375 | Dominion Oklahoma Texas E&P, Inc only | Midway, South (Consolidated) | San Patricio | 1 | 0 | 0 | — |
| Schmidt, Henry W. G-4-216724 | Tare Resources, LLC only | Midway, South (Consolidated) | San Patricio | 1 | 0 | 0 | — |
| Bell Farms G-4-198038 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 0 | 0 | — |
| Hoskinson A G-4-95240 | Proline Energy Resources Inc only | Midway, South (Consolidated) | San Patricio | 1 | 0 | 0 | — |
| McKamey G-4-217377 | Dominion Oklahoma Texas E&P, Inc only | Midway, South (Consolidated) | San Patricio | 1 | 0 | 0 | — |