| Dcrc Sec. 152 O-4-8648 | Killam Oil Co., Ltd. only | Charamousca (Wilcox 5400, E.) | Duval | 2 | 626K | 2.35K | Jan 1993 – Apr 2026 |
| Dcrc MF NCT-25 O-4-3795 | Reserve Operating Corp. only | Eagle Hill | Duval | 19 | 480K | 21 | Jan 1993 – Apr 2026 |
| Dcrc -a- NCT-12 O-4-2878 | Hilcorp Energy Company only | Seventy-Six, West | Duval | 10 | 193K | 111 | Jan 1993 – Apr 2026 |
| Dcrc MF NCT-64 O-4-7931 | Hilcorp Energy Company only | Lundell | Duval | 10 | 175K | 111 | Jan 1993 – Apr 2026 |
| West 76 Dcrc State Oil Unit O-4-7400 | Dewbre, Jerry C., Trustee only | Seventy-Six, West | Duval | 11 | 140K | 21 | Jan 1993 – Feb 2026 |
| Dcrc "3B" O-4-12663 | Killam Oil Co., Ltd. only | Moca | Webb | 2 | 103K | 155K | Mar 1997 – Apr 2026 |
| Dcrc "101F" O-4-12555 | Killam Oil Co., Ltd. only | Moca | Webb | 4 | 98.4K | 134K | Apr 1996 – Jan 2001 |
| Dcrc - Section 295 O-4-13744 | Mountain V Texas, LLC only | Casa Blanca, West | Duval | 4 | 93.5K | 0 | Oct 2012 – Apr 2026 |
| Dcrc -a- NCT-2 O-4-9175 | Hilcorp Energy Company only | Hagist Ranch ( Argo) | Duval | 11 | 46.8K | 19 | Jan 1993 – Apr 2026 |
| Dcrc "101B" O-4-12519 | Killam Oil Co., Ltd. only | Moca | Webb | 1 | 41.2K | 390 | Jan 1996 – Sep 2023 |
| Dcrc MF NCT-32 O-4-5536 | Hilcorp Energy Company only | Petrox, N. (Frio 1250) | Duval | 6 | 39.1K | 111 | Jan 1993 – Mar 2026 |
| Dcrc NCT-29 O-4-9826 | Caribbean Energy LLC II only | Brelum (Chernosky) | Duval | 1 | 33.3K | 19 | Jan 1993 – Apr 2026 |
| Dcrc NCT-29 O-4-9671 | Caribbean Energy LLC II only | Brelum (Chernosky, N.) | Duval | 1 | 33.3K | 19 | Jan 1993 – Apr 2026 |
| Dcrc Section 102 O-4-13811 | Dewbre, Jerry C., Trustee only | Brelum (Chernosky) | Duval | 1 | 33K | 0 | Jul 2013 – Apr 2026 |
| Dcrc "3" O-4-12342 | Killam Oil Co., Ltd. only | Moca (Wilcox Sand 2) | Webb | 1 | 30.6K | 199K | Apr 1994 – Jan 1998 |
| Dcrc Sec. 95 O-4-9298 | Killam Oil Co., Ltd. only | Petrox, N. (Frio 1250) | Duval | 1 | 28.9K | 21 | Jan 1993 – Dec 2020 |
| Dcrc Sec. 95 O-4-9366 | Killam Oil Co., Ltd. only | Piedre Lumbre | Duval | 1 | 28.6K | 21 | Jan 1993 – Apr 2026 |
| Dcrc-Sec. 3A O-4-12313 | Tri-C Resources, Inc. only | Moca (Wilcox 4700) | Webb | 1 | 24.4K | 52.1K | Mar 1994 – Jun 1995 |
| Dcrc -52- O-4-7540 | Eldon Oil Co. only | Lundell, N. (Chernosky 1800) | Duval | 1 | 24K | 21 | May 1993 – Apr 2026 |
| Dcrc Section 76 O-4-13310 | Dewbre, Jerry C., Trustee only | Seventy-Six, West | Duval | 3 | 22.8K | 0 | May 2005 – Apr 2026 |
| Dcrc "3E" O-4-12529 | Killam Oil Co., Ltd. only | Moca | Webb | 1 | 20.2K | 8 | Feb 1996 – Apr 2026 |
| Dcrc - Section 295 O-4-13930 | Mountain V Texas, LLC only | Charamousca (Cole Cons.) | Duval | 3 | 20.1K | 0 | Nov 2014 – Dec 2024 |
| Dcrc Section 194 O-4-13767 | Dewbre, Jerry C., Trustee only | Lopez, North (Lopez) | Duval | 3 | 19.5K | 0 | Mar 2013 – Apr 2026 |
| Dcrc MF NCT-1 O-4-426 | Hilcorp Energy Company only | Casa Blanca | Duval | 9 | 18.2K | 111 | Jan 1993 – Dec 2012 |
| Dcrc -MF- NCT-64 O-4-7199 | Hilcorp Energy Company only | Lundell (Queen City #4) | Duval | 1 | 15.8K | 94 | Jan 1993 – Oct 2000 |
| Dcrc "3" O-4-12683 | Killam Oil Co., Ltd. only | Moca | Webb | 1 | 15.4K | 105K | Feb 1997 – Mar 2001 |
| Dcrc-Sec. 3 O-4-12223 | Tri-C Resources, Inc. only | Moca (Wilcox 4700) | Webb | 1 | 13.8K | 25.3K | Jul 1993 – Apr 1994 |
| Dcrc-Sec. 101F O-4-12530 | Union Pacific Resources Company only | Moca (Sand 4, Seg. 6) | Webb | 1 | 13.7K | 16.2K | Oct 1995 – Mar 1997 |
| Dcrc MF NCT-38 O-4-630 | Hilcorp Energy Company only | Dejay (Chernosky) | Duval | 1 | 12K | 0 | Mar 2012 – Apr 2026 |
| Dcrc Section 102 O-4-13858 | Dewbre, Jerry C., Trustee only | Hagist Ranch ( Argo) | Duval | 2 | 11K | 0 | Jan 2014 – Apr 2026 |
| Dcrc-Sec. 3B O-4-12392 | Collins & Ware, Inc. only | Moca (Sand 1, Seg. 5) | Webb | 1 | 8.25K | 71.3K | Jul 1994 – Jan 1996 |
| Dcrc Delta O-4-1898 | Killam Oil Co., Ltd. only | Moca | Webb | 7 | 6.42K | 1.04K | Jan 1993 – Jan 1995 |
| Dcrc-Sec. 3A O-4-12258 | Tri-C Resources, Inc. only | Moca (Wilcox Sand 5) | Webb | 2 | 6.42K | 46.8K | Sep 1993 – Oct 1994 |
| Dcrc-SEC.4 O-4-12569 | Union Pacific Resources Company only | Moca | Webb | 2 | 5.99K | 11.3K | Nov 1995 – Mar 1996 |
| Dcrc MF NCT-38 O-4-13621 | Hilcorp Energy Company only | Petrox (Frio 1200 -B-) | Duval | 2 | 4.35K | 0 | Aug 2010 – Nov 2012 |
| Texaco-Dcrc O-4-8516 | Manley, John D. III, Oper., Inc only | Charamousca (Wilcox 1, FB-A) | Duval | 1 | 3.8K | 406 | Apr 1994 – Nov 1995 |
| Texaco-Dcrc O-4-8550 | Manley, John D. III, Oper., Inc only | Charamousca (Wilcox 2-a, FB-B) | Duval | 1 | 2.45K | 309 | Jan 1993 – Jun 1995 |
| Dcrc Sec. 102 Unit 6 O/A O-4-8349 | Diamondback Operating, LP only | Brelum (Chernosky) | Duval | 3 | 2.14K | 19 | Jan 1993 – Feb 1998 |
| Dcrc-Sec. 3B O-4-12562 | Apache Corporation only | Moca (Wilcox Sand 6) | Webb | 1 | 2.12K | 2.35K | Mar 1996 – Mar 1997 |
| Dcrc Section 88 O-4-13558 | Dewbre, Jerry C., Trustee only | Arnold-Mulle (Mirando, UP) | Duval | 1 | 1.57K | 0 | Apr 2009 – May 2014 |
| Dcrc MF NCT-56 O-4-7607 | Newman Operating Company only | D C R 79, South (Chernosky) | Duval | 1 | 1.32K | 22 | Jan 1993 – Oct 1994 |
| Dcrc Section 88 O-4-13692 | Dewbre, Jerry C., Trustee only | Casa Blanca, West | Duval | 1 | 12 | 0 | Feb 2012 – Feb 2012 |
| Dcrc-Sec. 3 O-4-12332 | Tri-C Resources, Inc. only | Moca | Webb | 1 | 5 | 5 | Apr 1994 – Apr 1994 |
| Dcrc Section 88 O-4-13343 | Dewbre, Jerry C., Trustee only | Wildcat | Duval | 1 | 0 | 0 | — |
| Dcrc Section 88 O-4-13388 | Dewbre, Jerry C., Trustee only | Arnold-Mulle (Mirando, UP) | Duval | 1 | 0 | 0 | — |
| Dcrc Sec. 152. O-4-13574 | Killam Oil Co., Ltd. only | Charamousca,w.(yeg.,mass Seg B) | Duval | 1 | 0 | 0 | — |
| Dcrc-Section 262 O-4-13749 | Smith Production Inc. only | Hagist Ranch ( Argo) | Duval | 2 | 0 | 0 | — |
| Dcrc MF NCT-64 O-4-1703 | Morsey Oil & Gas Corp. only | Lundell (Pettus) | Duval | 1 | 0 | 0 | — |
| Dcrc Section 102 O-4-13846 | Dewbre, Jerry C., Trustee only | Piedre Lumbre | Duval | 1 | 0 | 0 | — |
| Dcrc-Sentz -B- O-4-551 | Winslow, Harry C. only | Colmena | Duval | 1 | 0 | 0 | — |