| Coates "A" G-4-91468 | Coastal Oil & Gas Corporation | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 27.4K | 1.66M | Jan 1993 – Jun 1998 |
| Phillips, Esther G-3-174027 | Coastal Oil & Gas Corporation | Peach (Yegua, Lower) | Wharton | 1 | 12.3K | 83.5K | Apr 1999 – Sep 1999 |
| Coates "B" G-4-96184 | Coastal Oil & Gas Corporation | Jeffress, E. (Vicksburg T) | Hidalgo | 1 | 10.5K | 914K | Jan 1993 – Feb 1998 |
| Edinburg Improvement Ass. Unit 1 G-4-140518 | Coastal Oil & Gas Corporation | Texan Gardens (7400) | Hidalgo | 1 | 10.3K | 2.27M | Jan 1993 – Jun 1999 |
| Seeligson, Lillie G-4-114999 | Coastal Oil & Gas Corporation | Seeligson (Zone 21-D SW) | Jim Wells | 1 | 4.68K | 43.9K | Jan 1993 – Apr 1994 |
| Edinburg Improvement Association G-4-137247 | Coastal Oil & Gas Corporation | Texan Gardens (L Sand) | Hidalgo | 1 | 2.91K | 612K | Jan 1993 – Sep 1999 |
| Jeffress, J.D. G-4-46109 | Coastal Oil & Gas Corporation | Jeffress (Vicksburg U) | Hidalgo | 1 | 2.85K | 270K | Jan 1993 – Jun 1994 |
| Hoffman, R. GU "E" G-4-136905 | Coastal Oil & Gas Corporation | Ben Bolt, W. (Yegua, Lo.) | Jim Wells | 1 | 2.12K | 178K | Jan 1993 – Jun 1998 |
| Val Verde G-4-161501 | Coastal Oil & Gas Corporation | Texan Gardens (5900) | Hidalgo | 1 | 1.55K | 183K | Nov 1996 – Sep 1998 |
| Hoff-Heller Unit G-2-123024 | Coastal Oil & Gas Corporation | Mission Valley, W. (Yegua 5000) | Goliad | 1 | 1.34K | 49.9K | Apr 1993 – Dec 1997 |
| Dougherty, M. P. G-4-161452 | Coastal Oil & Gas Corporation | Texan Gardens (5900) | Hidalgo | 1 | 1.3K | 1.12M | Aug 1996 – Aug 1999 |
| Benavides, Etal Gas Unit G-4-121968 | Coastal Oil & Gas Corporation | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 1.24K | 106K | Jan 1993 – Apr 1997 |
| Santa Cruz Farms G-4-152877 | Coastal Oil & Gas Corporation | San Carlos (FH-19) | Hidalgo | 1 | 1.08K | 567K | Dec 1994 – Feb 1998 |
| Welder G-4-157818 | Coastal Oil & Gas Corporation | DST (Miocene 2150) | San Patricio | 1 | 920 | 550K | Feb 1996 – Apr 1999 |
| Edinburg Improvement Assoc. GU 2 G-4-141161 | Coastal Oil & Gas Corporation | Texan Gardens (L Sand) | Hidalgo | 1 | 908 | 260K | Jan 1993 – Sep 1999 |
| Zamora-State G-4-126125 | Coastal Oil & Gas Corporation | Flores (Vicksburg, Lower) | Hidalgo | 1 | 849 | 116K | Jan 1993 – Aug 1996 |
| Kenne, Dennis G-2-156807 | Coastal Oil & Gas Corporation | Meyersville (Massive I) | De Witt | 1 | 722 | 58K | Nov 1995 – Jul 1996 |
| Val Verde G-4-161657 | Coastal Oil & Gas Corporation | Texan Gardens (5700) | Hidalgo | 1 | 585 | 197K | Nov 1996 – Aug 1997 |
| Samano "C" G-4-138820 | Coastal Oil & Gas Corporation | Samano (1ST Rincon) | Starr | 1 | 530 | 51K | Jan 1993 – Oct 1995 |
| Van Scherpe Gas Unit "B" G-4-173342 | Coastal Oil & Gas Corporation | Jeffress (Vicksburg T) | Hidalgo | 1 | 328 | 6.8K | Mar 1999 – Jul 1999 |
| Hamman Ranch G-4-58077 | Coastal Oil & Gas Corporation | Monte Christo (9000) | Hidalgo | 1 | 279 | 375K | Jan 1993 – Nov 1996 |
| Samano "C" G-4-159618 | Coastal Oil & Gas Corporation | Samano (1ST Massive) | Starr | 1 | 278 | 46.9K | Aug 1996 – Feb 1999 |
| Hahl, C.W. "B" G-4-152416 | Coastal Oil & Gas Corporation | Government Wells, N. (11500) | Duval | 1 | 221 | 835K | Nov 1994 – Jan 2000 |
| Welder G-4-161465 | Coastal Oil & Gas Corporation | DST (Miocene 2150) | San Patricio | 1 | 191 | 137K | Nov 1996 – Apr 1999 |
| Edinburg Improvement Assc GU2 G-4-141394 | Coastal Oil & Gas Corporation | Texan Gardens (Heard, Third) | Hidalgo | 1 | 167 | 86.6K | Jan 1993 – May 1994 |
| Dougherty, M. P. G-4-161689 | Coastal Oil & Gas Corporation | Texan Gardens (5700) | Hidalgo | 1 | 160 | 732K | Aug 1996 – Jun 1998 |
| Hamman Ranch G-4-106344 | Coastal Oil & Gas Corporation | Monte Christo (Vksbg KK) | Hidalgo | 1 | 159 | 25.1K | Mar 1998 – Apr 1998 |
| Val Verde G-4-162892 | Coastal Oil & Gas Corporation | Texan Gardens (5400) | Hidalgo | 1 | 124 | 378K | Mar 1997 – Feb 1999 |
| Sherwood, M. G-4-161700 | Coastal Oil & Gas Corporation | Jeffress, NE. (Vicksburg U) | Hidalgo | 1 | 93 | 30.3K | Aug 1996 – Dec 1996 |
| Jeffress, J. D. G-4-50210 | Coastal Oil & Gas Corporation | Jeffress (Vicksburg V) | Hidalgo | 1 | 88 | 6.88K | Jan 1993 – Mar 1993 |
| Hamman Ranch G-4-171782 | Coastal Oil & Gas Corporation | Monte Christo (Vksbg-Eckart) | Hidalgo | 1 | 68 | 9.98K | Dec 1998 – Jan 1999 |
| Kenne, Dennis Gas Unit G-2-128905 | Coastal Oil & Gas Corporation | Meyersville (Wilcox 13,600) | De Witt | 1 | 62 | 86.9K | Jan 1993 – Oct 1995 |
| Zamora "S" Sand Gas Unit G-4-125321 | Coastal Oil & Gas Corporation | Texan Gardens (S, West) | Hidalgo | 1 | 59 | 61.4K | Jan 1993 – Aug 2000 |
| Welder Heirs G-4-163297 | Coastal Oil & Gas Corporation | DST (Miocene 2150) | San Patricio | 1 | 39 | 43.7K | Aug 1997 – Apr 1999 |
| Welder Heirs G-4-160748 | Coastal Oil & Gas Corporation | Oneil (3270) | San Patricio | 1 | 21 | 23K | Nov 1996 – Jun 1997 |
| Longoria Mineral Trust, et Al G-4-170449 | Coastal Oil & Gas Corporation | Thompsonville, NE. (11,300) | Duval | 1 | 20 | 99.3K | Nov 1997 – Nov 1998 |
| Webb County School Land G-4-113634 | Coastal Oil & Gas Corporation | Owen (Olmos) | Webb | 1 | 8 | 1.97K | Jan 1993 – Jun 1993 |
| Duncan, Gardner G-3-65848 | Coastal Oil & Gas Corporation | Thomas (2250) | Colorado | 1 | 6 | 89.8K | Jan 1993 – Jun 1994 |
| Webb County School Land G-4-114730 | Coastal Oil & Gas Corporation | Owen (Olmos) | Webb | 1 | 2 | 682 | Jan 1993 – Apr 1993 |
| Johnstone, Rosa G-3-136617 | Coastal Oil & Gas Corporation | Hutchins, SW (Frio 4820) | Wharton | 1 | 2 | 233K | Jan 1993 – Jun 1995 |
| Bright & Schiff Hamman Gas Unit G-4-148835 | Coastal Oil & Gas Corporation | Monte Christo (50-B, South) | Hidalgo | 1 | 0 | 331 | Sep 1996 – Sep 1996 |
| USA 1 G-4-149031 | Coastal Oil & Gas Corporation | Bob West (L-18, 20, 21, 22) | Starr | 1 | 0 | 15.9M | Mar 1994 – Jan 2001 |
| Guerra GU "D" G-4-150324 | Coastal Oil & Gas Corporation | Bob West (L-30, 31, 32, 33) | Starr | 1 | 0 | 586K | Jun 1994 – Oct 1994 |
| Duncan, Gardner G-3-65933 | Coastal Oil & Gas Corporation | Thomas (2250) | Colorado | 1 | 0 | 0 | — |
| Guerra GU "A" G-4-154806 | Coastal Oil & Gas Corporation | Bob West (L-12, 13, 14, 15) | Starr | 1 | 0 | 808K | Apr 1995 – Feb 1998 |
| Guerra GU "A" G-4-156756 | Coastal Oil & Gas Corporation | Bob West (L-5-10) | Starr | 1 | 0 | 0 | — |
| Ramirez GU "E" G-4-161069 | Coastal Oil & Gas Corporation | Bob West (L-1-4) | Starr | 1 | 0 | 0 | — |
| State Tract 368-L G-3-61089 | Coastal Oil & Gas Corporation | Block 368-L (Miocene B) | Brazos-LB | 1 | 0 | 407K | Jan 1993 – May 1996 |
| Shult, Anna (SWD#1) G-3-6643 | Coastal Oil & Gas Corporation | Hutchins-Kubela (Frio 4550) | Wharton | 1 | 0 | 0 | — |
| Robinson, J. H. G-2-171310 | Coastal Oil & Gas Corporation | Wildcat | Jackson | 1 | 0 | 0 | — |