| Oyster Bayou Field Unit O-3-25515 | Denbury Onshore, LLC | Oyster Bayou | 102 | 23.1M | 2.94K | Jun 2010 – Jul 2026 |
| Jackson, Felix, et AL O-3-3312 | Denbury Onshore, LLC | Oyster Bayou | 61 | 2.67M | 15.6M | Jan 1993 – Sep 2010 |
| Kirby Pet. Co. -B- O-3-194 | Sandpoint Texas LLC | Barbers Hill | 15 | 1.44M | 29.3K | Jan 1993 – Jul 2026 |
| Pipkin, S. W. -A- O-3-1540 | Gcows Operating LLC | Fig Ridge (Seabreeze) | 15 | 1.19M | 2.63M | Jan 1993 – Jul 2026 |
| Atkinson Island Unit O-3-26885 | Torrent Oil LLC | Atkinson Island (Cons.) | 11 | 852K | 640K | Oct 2015 – Jul 2026 |
| State Tract 118 O-3-26312 | Torrent Oil LLC | Cedar Point (Upper Frio) | 12 | 841K | 666K | Oct 2013 – Jul 2026 |
| Trinity Bay State Unit No. 1 O-3-5351 | Galveston Bay Operating Co LLC | Trinity Bay | 24 | 820K | 1.16M | Jan 1993 – Jul 2026 |
| Barrow Ranch O-3-24156 | Denbury Onshore, LLC | Barrow Ranch (Nod. 1) | 2 | 802K | 1.18M | Apr 2002 – Dec 2011 |
| West Fishers Reef S. T. 2-3A O-3-23530 | Galveston Bay Operating Co LLC | Fishers Reef (9800) | 1 | 747K | 1.77M | Jun 1998 – Jul 2026 |
| Fitzgerald "A" O-3-21245 | Sandpoint Texas LLC | Barbers Hill | 6 | 718K | 10 | Jan 1993 – Jul 2026 |
| Fitzgerald, L. E. Unit #1 O-3-191 | Sandpoint Texas LLC | Barbers Hill | 10 | 694K | 61 | Jan 1993 – Jul 2026 |
| State O-3-626 | Linc Gulf Coast Petroleum, Inc. | Cedar Point | 24 | 656K | 1.31M | Jan 1993 – Apr 2015 |
| State Tract 126 O-3-14221 | Linc Gulf Coast Petroleum, Inc. | Atkinson Island (Frio) | 4 | 601K | 921K | Jan 1993 – Aug 2015 |
| Gallo O-3-26272 | S & S Operating Company, Inc. | Gallo (Frio B-15) | 1 | 560K | 175K | Jan 2013 – Jul 2026 |
| Monroe City Ranch O-3-26897 | Hilcorp Energy Company | Middleton Ranch | 1 | 553K | 1.32M | May 2015 – Feb 2020 |
| Zappe, Marie O-3-95 | Texas Petroleum Investment Co. | Anahuac | 20 | 515K | 5.27M | Jan 1993 – Jul 2026 |
| Knowles, W. T. O-3-62 | McGowan Working Partners, Inc. | Anahuac | 5 | 508K | 648K | Jan 1993 – Jul 2026 |
| Chambers County Agr. Co. O-3-170 | Sandpoint Texas LLC | Barbers Hill | 19 | 484K | 21 | Jan 1993 – Jul 2026 |
| Higgins O-3-175 | Sandpoint Texas LLC | Barbers Hill | 17 | 484K | 20 | Jan 1993 – Jul 2026 |
| Trinity Bay State Unit No. 1 O-3-8004 | Galveston Bay Operating Co LLC | Trinity Bay (Frio 9) | 16 | 447K | 567K | Jan 1993 – Jul 2026 |
| Wilburn, J. -A- O-3-164 | Sandpoint Texas LLC | Barbers Hill | 7 | 430K | 54 | Jan 1993 – Jul 2026 |
| Jackson Heirs Unit O-3-24239 | Noble Energy Inc | Double Bayou, S. (Text W) | 1 | 417K | 445K | Aug 2002 – Jul 2013 |
| Figridge Seabreeze Unit O-3-11842 | Papco, Inc. | Fig Ridge (Seabreeze) | 30 | 401K | 2.39M | Jan 1993 – Jul 2026 |
| Johnson, C. G. a/C #1 O-3-78 | Texas Petroleum Investment Co. | Anahuac | 11 | 396K | 541K | Jan 1993 – Jul 2026 |
| Texas State Tract # 87 O-3-5797 | Fieldwood SD Offshore LLC | Umbrella Point (F- 5 Sand) | 6 | 362K | 777K | Jan 1993 – Jul 2026 |
| Wilburn, J. O-3-177 | Sandpoint Texas LLC | Barbers Hill | 9 | 350K | 20 | Jan 1993 – Jul 2026 |
| Brown, J.M. O-3-26009 | Sandpoint Texas LLC | Barbers Hill | 2 | 347K | 0 | Feb 2012 – Jul 2026 |
| State Tract 118 O-3-26313 | Torrent Oil LLC | Cedar Point (Miocene) | 23 | 340K | 447K | Oct 2013 – Jul 2026 |
| State Tract 127 A O-3-24150 | Linc Gulf Coast Petroleum, Inc. | Atkinson Island (Frio) | 3 | 322K | 1.55M | Feb 2002 – Apr 2015 |
| Middleton, A. D. a/C #1 O-3-82 | Texas Petroleum Investment Co. | Anahuac | 35 | 300K | 3.11M | Jan 1993 – Jul 2026 |
| Fishers Reef Field Unit #1 O-3-6384 | Galveston Bay Operating Co LLC | Fishers Reef | 6 | 300K | 768K | Jan 1993 – Jul 2026 |
| Middleton, A. D., a/C #1 O-3-6939 | Texas Petroleum Investment Co. | Anahuac (FB a-2, Frio 13) | 4 | 295K | 193K | Jan 1993 – Jul 2026 |
| Wilburn "D" O-3-144 | Sandpoint Texas LLC | Barbers Hill | 5 | 291K | 0 | Jan 1993 – Jul 2026 |
| Trinity Bay State Unit #1 O-3-16366 | Galveston Bay Operating Co LLC | Trinity Bay, West (Frio 7) | 8 | 287K | 289K | Jan 1993 – Jul 2026 |
| Acom -A- O-3-24784 | Gcows Operating LLC | Willow Slough,n.(nodosaria 9500) | 1 | 287K | 778K | Oct 2005 – Jul 2026 |
| Roberts-Mueller O-3-2099 | Magnum Producing, LP | High Island | 16 | 286K | 116K | Jan 1993 – Jul 2026 |
| Gripon, H. A. a/C #1 O-3-76 | Texas Petroleum Investment Co. | Anahuac | 24 | 284K | 1.42M | Jan 1993 – Jul 2026 |
| Tyrrell, W. C., Tr. O-3-90 | Texas Petroleum Investment Co. | Anahuac | 35 | 278K | 487K | Jan 1993 – Jul 2026 |
| Kirby Pet. Co. -C- O-3-195 | Sandpoint Texas LLC | Barbers Hill | 2 | 258K | 54 | Jan 1993 – Jul 2026 |
| Conoco Unit O-3-193 | Sandpoint Texas LLC | Barbers Hill | 7 | 252K | 49 | Jan 1993 – Jul 2026 |
| State Tract 126A O-3-25550 | Linc Gulf Coast Petroleum, Inc. | Atkinson Island (Frio) | 1 | 250K | 323K | Sep 2010 – Aug 2015 |
| Kirby Oil & Gas Co. O/A O-3-4627 | Wagner Oil Company | Barbers Hill | 3 | 243K | 81K | Jan 1993 – Jul 2026 |
| Syphrett, D. W. O-3-65 | McGowan Working Partners, Inc. | Anahuac | 3 | 234K | 443K | Jan 1993 – Jul 2026 |
| Umbrella Point Unit O-3-23819 | Torrent Oil LLC | Umbrella Point (F- 1) | 1 | 216K | 377K | Oct 1999 – Jul 2026 |
| Roberts & Mueller O-3-7295 | Big Lake Corporation | High Island | 8 | 215K | 80.4K | Jan 1993 – Jul 2026 |
| Willcox, G. C., Etal O-3-66 | McGowan Working Partners, Inc. | Anahuac | 5 | 208K | 411K | Jan 1993 – Jul 2026 |
| Broussard O-3-24664 | Texas Petroleum Investment Co. | Anahuac (FB a-4, Frio 11) | 1 | 203K | 215K | Feb 2005 – Jul 2026 |
| Texas State Tract 87 O-3-20599 | Fieldwood Onshore LLC | Umbrella Point (F- 4) | 1 | 195K | 204K | Jan 1993 – Dec 2020 |
| Castro Oil Unit No. 2 O-3-22052 | Fort Apache Energy, Inc. | Double Bayou (Frio A) | 1 | 191K | 408K | May 1993 – Oct 2020 |
| Howard O-3-9839 | McGowan Working Partners, Inc. | Cotton Lake (Howard No. 2 Sd.) | 3 | 188K | 110K | Jan 1993 – Jul 2026 |