| North Westbrook Unit O-10-20831 | Bce-Mach III LLC | Westbrook | 1,146 | 26.2M | 1.81M | Jan 1993 – Jul 2026 |
| Westbrook Southeast Unit O-10-20847 | Bce-Mach III LLC | Westbrook | 632 | 17.5M | 969K | Jan 1993 – Jul 2026 |
| Foster, Mary O-10-2890 | Basa Resources, Inc. | Iatan, East Howard | 495 | 12.8M | 2.65M | Jan 1993 – Jul 2026 |
| Westbrook Southwest Unit O-10-21120 | Grayrock Energy II, LLC | Westbrook | 371 | 8.65M | 21 | Jan 1993 – Jul 2026 |
| Coleman Ranch Unit O-10-23672 | Americo Energy Resources, LLC | Coleman Ranch | 145 | 3.81M | 126K | Jan 1993 – Jul 2026 |
| Foster, W. L. #1 O-10-2910 | Bce-Mach III LLC | Iatan, East Howard | 99 | 1.94M | 144K | Jan 1993 – Jul 2026 |
| Ellis-Gray Unit O-11-61958 | Unitex Oil & Gas, L.L.C. | Sharon Ridge (1700) | 194 | 1.81M | 238 | Jan 1993 – Jul 2026 |
| Turner Gregory Unit O-10-36961 | GTG Operating, LLC | Turner-Gregory (Clear Fork) | 144 | 1.71M | 0 | Oct 2002 – Jul 2026 |
| Mills-Strain Unit O-11-66202 | Schlachter Operating Corporation | Sharon Ridge (1700) | 120 | 1.45M | 27 | Jan 1993 – Jul 2026 |
| Watson, W. W. O-10-2891 | Basa Resources, Inc. | Iatan, East Howard | 75 | 1.3M | 148K | Jan 1993 – Jul 2026 |
| Foster, W. L. #5 O-10-2911 | Bce-Mach III LLC | Iatan, East Howard | 29 | 992K | 165K | Jan 1993 – Jul 2026 |
| Foster, Mary Acct. #2 O-10-12160 | Basa Resources, Inc. | Iatan (San Andres) | 74 | 989K | 142K | Jan 1993 – Jul 2026 |
| Crawford-Strain Unit O-11-68448 | Schlachter Operating Corporation | Sharon Ridge (1700) | 112 | 956K | 0 | Aug 2002 – Jul 2026 |
| E. H. Brown -A- O-10-26217 | Basa Resources, Inc. | Iatan, East Howard | 45 | 700K | 69K | Jan 1993 – Jul 2026 |
| Watson, W. W. O-10-8419 | Extex Operating Company | Iatan, East Howard | 37 | 522K | 697 | Jan 1993 – Jul 2026 |
| Golden Sand 10-3 O-10-61154 | Bayswater Operating Company LLC | Spraberry (Trend Area) | 3 | 481K | 496K | Nov 2022 – Jul 2026 |
| Pearl River 4-9 O-10-61807 | Bayswater Operating Company LLC | Spraberry (Trend Area) | 4 | 469K | 885K | Jun 2024 – Jul 2026 |
| Fee Unit O-11-66703 | Unitex Oil & Gas, L.L.C. | Sharon Ridge (1700) | 40 | 428K | 41 | Jan 1993 – Jul 2026 |
| Morrison, Earl E O-10-35495 | Diamondback E&P LLC | Westbrook (Clear Fork, Upper) | 16 | 398K | 46.7K | Sep 1997 – Feb 2020 |
| Byrd-Berry Unit O-11-65856 | Schlachter Operating Corporation | Sharon Ridge (1700) | 38 | 377K | 3.3K | Jan 1993 – Jul 2026 |
| Strain, L. A. O-11-66931 | Unitex Oil & Gas, L.L.C. | Sharon Ridge (1700) | 15 | 371K | 21 | Jan 1993 – Jul 2026 |
| Bellam O-10-2896 | New Height Energy, LLC | Iatan, East Howard | 19 | 367K | 10.2K | Jan 1993 – Jul 2026 |
| Oasis 9-16-33-40 O-10-58871 | Bayswater Operating Company LLC | Spraberry (Trend Area) | 1 | 362K | 307K | Aug 2022 – Jul 2026 |
| Section 82 Unit O-11-60819 | Schlachter Operating Corporation | Sharon Ridge (1700) | 43 | 360K | 3.55K | Jan 1993 – Jul 2026 |
| Delta 7-18-31 O-10-63585 | Bayswater Operating Company LLC | Spraberry (Trend Area) | 2 | 332K | 510K | Jan 2025 – Jul 2026 |
| Sphinx 8-17-32 O-10-63444 | Bayswater Operating Company LLC | Spraberry (Trend Area) | 2 | 330K | 451K | Jan 2025 – Jul 2026 |
| Poor Farm -C- O-10-27982 | Bce-Mach III LLC | Turner-Gregory (Clear Fork) | 18 | 322K | 27.2K | Jan 1993 – Jul 2026 |
| York O-10-14233 | Cross Cut Petroleum, LLC | Turner-Gregory (Clear Fork) | 19 | 320K | 21 | Jan 1993 – Jul 2026 |
| Mitchell Fee O-10-11428 | Winn Operating, LLC | Westbrook | 16 | 312K | 15 | Jan 1993 – Jul 2026 |
| Luxor 9-3-60 O-10-58936 | Bayswater Operating Company LLC | Spraberry (Trend Area) | 1 | 296K | 297K | Aug 2022 – Jul 2026 |
| Schumacher, W. M. O-10-12393 | Basa Resources, Inc. | Iatan, East Howard | 23 | 295K | 2.23K | Jan 1993 – Jul 2026 |
| Black Angus 47 O-10-46278 | Reatta Energy, Inc. | Spraberry (Trend Area) | 6 | 291K | 1.44M | Apr 2013 – Jul 2026 |
| Brennand O-10-26218 | Basa Resources, Inc. | Iatan, East Howard | 32 | 285K | 12K | Jan 1993 – Jul 2026 |
| Red Angus 48 O-10-45884 | Reatta Energy, Inc. | Purvis Ranch (Wolfcamp) | 5 | 281K | 980K | Mar 2013 – Jul 2026 |
| Port O'Connor '34' O-10-62408 | Saguaro Petroleum, LLC | A & S (Miss.) | 4 | 279K | 533K | Dec 2023 – Jul 2026 |
| Coleman Estate O-10-24237 | Unitex Oil & Gas, L.L.C. | Coleman Ranch, N. (Clear Fork) | 21 | 278K | 20 | Jan 1993 – Jul 2026 |
| Whiteface 36 O-10-43915 | Reatta Energy, Inc. | Purvis Ranch (Wolfcamp) | 3 | 277K | 647K | Mar 2013 – Jul 2026 |
| Xerxes 7-18-31 O-10-62737 | Bayswater Operating Company LLC | Spraberry (Trend Area) | 1 | 277K | 303K | Nov 2024 – Jul 2026 |
| Brennand "A" O-10-25689 | Bce-Mach III LLC | Turner-Gregory (Clear Fork) | 14 | 267K | 3.29K | Jan 1993 – Jul 2026 |
| Cleopatra 8-2-61 O-10-62932 | Bayswater Operating Company LLC | Spraberry (Trend Area) | 1 | 233K | 335K | Jan 2025 – Jul 2026 |
| Suez 10-15-34-40 O-10-62560 | Bayswater Operating Company LLC | Spraberry (Trend Area) | 1 | 230K | 163K | Aug 2024 – Jul 2026 |
| Nile 9-16-33-40 O-10-62503 | Bayswater Operating Company LLC | Spraberry (Trend Area) | 1 | 225K | 232K | Sep 2024 – Jul 2026 |
| Womack, Mary O-10-25747 | Unitex Oil & Gas, L.L.C. | Coleman Ranch, N. (Clear Fork) | 15 | 225K | 19 | Jan 1993 – Jul 2026 |
| Womack 'D' O-10-43137 | Bce-Mach III LLC | Turner-Gregory (Clear Fork) | 8 | 218K | 2.07K | Jul 2012 – Jul 2026 |
| Memphis 9-3-60 O-10-62020 | Bayswater Operating Company LLC | Spraberry (Trend Area) | 1 | 211K | 202K | Feb 2024 – Jul 2026 |
| Coleman, Lucy M. O-10-681 | Americo Energy Resources, LLC | Coleman Ranch, N. (Clear Fork) | 28 | 208K | 21 | Jan 1993 – Jul 2026 |
| Betty O-10-33108 | Three J's Petroleum, Inc. | Gartner (Penn. Reef) | 1 | 191K | 352K | Jan 1993 – Jul 2026 |
| Schattel O-10-25837 | Northern Pacific Oil Incorporatd | Iatan, East Howard | 9 | 189K | 21 | Jan 1993 – Jul 2026 |
| Giza 10-4-59 O-10-62259 | Bayswater Operating Company LLC | Spraberry (Trend Area) | 1 | 188K | 140K | Feb 2024 – Jul 2026 |
| Moses 7-1-62 O-10-62738 | Bayswater Operating Company LLC | Spraberry (Trend Area) | 1 | 187K | 189K | Nov 2024 – Jul 2026 |