| Conoco Powell GMS Deep O-9-13355 | Westport Oil and Gas Company, LP | M. P. I. (Ellenburger) | Crockett | 4 | 285K | 2.64M | Jan 1993 – Jun 2004 |
| Conoco Powell GMS Deep O-9-14901 | Westport Oil and Gas Company, LP | World, East (Strawn) | Crockett | 5 | 126K | 5.07M | Jul 1999 – Jul 2004 |
| Cage Ranch O-4-12723 | Westport Oil and Gas Company, LP | Cage Ranch (6900) | Brooks | 1 | 29.9K | 60.7K | Jul 1997 – Dec 2002 |
| Chadbourne Ranch 302-B O-9-12873 | Westport Oil and Gas Company, LP | Fort Chadbourne (Gardner) | Coke | 2 | 21.3K | 32.9K | Jan 1993 – Dec 1999 |
| Goss Trust O-3-23342 | Westport Oil and Gas Company, LP | Iola (Georgetown) | Brazos | 1 | 18.7K | 692K | Sep 1997 – Oct 2002 |
| Hightower, C. M. G-3-174870 | Westport Oil and Gas Company, LP | Splendora, E. (5700) | Liberty | 1 | 15.4K | 1.87M | Jun 1999 – Jul 2002 |
| Vaquillas 2059 G-4-141839 | Westport Oil and Gas Company, LP | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 14K | 1.54M | Jan 1993 – Nov 1999 |
| Wright, Dela S. O-11-61247 | Westport Oil and Gas Company, LP | Levelland | Cochran | 1 | 13.6K | 5.14K | Jan 1993 – Jul 2004 |
| University 8-12 O-10-32161 | Westport Oil and Gas Company, LP | Hutex (Devonian) | Andrews | 1 | 12.8K | 681 | Jan 1993 – Jan 1995 |
| Chevron University "35" O-10-35120 | Westport Oil and Gas Company, LP | University Blk. 21(BRUSHY Canyon | Winkler | 1 | 12.2K | 6.96K | Nov 1996 – May 2001 |
| Vaquillas 1953 G-4-146502 | Westport Oil and Gas Company, LP | Pozo (Wilcox 5500) | Webb | 1 | 9.15K | 505K | Sep 1993 – May 1996 |
| Cage Ranch 6031 Gas Unit G-4-164264 | Westport Oil and Gas Company, LP | Cage Ranch (6900) | Brooks | 1 | 7.34K | 503K | Aug 1997 – Mar 2003 |
| Chalk, Otis O-10-22361 | Westport Oil and Gas Company, LP | Howard Glasscock (Clear Fork,mi) | Howard | 1 | 7.22K | 1.78K | Jan 1993 – Oct 1999 |
| Vaquillas 1631 G-4-133787 | Westport Oil and Gas Company, LP | Vaquillas Ranch (Lobo) | Webb | 1 | 6.32K | 561K | Jan 1993 – Sep 2003 |
| Millar, L. H. 43 G-10-177759 | Westport Oil and Gas Company, LP | Wentz (Wichita-Albany) | Pecos | 1 | 6.25K | 178K | Apr 2000 – Jan 2003 |
| Vaquillas 1631A G-4-141003 | Westport Oil and Gas Company, LP | Vaquillas Ranch (Lobo) | Webb | 1 | 6.02K | 247K | Jan 1993 – Sep 2003 |
| Pilgreen G-2-177246 | Westport Oil and Gas Company, LP | Speaks, SW. (Rainbow) | Lavaca | 1 | 4.94K | 868K | Mar 2000 – Feb 2003 |
| Nona Mills Field Unit G-3-170110 | Westport Oil and Gas Company, LP | Nona Mills (-G-) | Hardin | 1 | 4.47K | 790K | Aug 1998 – May 2003 |
| Cage Ranch 707-1 G U O-4-12956 | Westport Oil and Gas Company, LP | Cage Ranch (7300) | Brooks | 1 | 4.08K | 21 | Dec 1999 – Feb 2004 |
| Buchanan-Wheeler G-3-154467 | Westport Oil and Gas Company, LP | Nona Mills (-J-) | Hardin | 1 | 3.17K | 192K | Apr 1995 – Feb 2002 |
| Millar, L. H. 43 O-10-36250 | Westport Oil and Gas Company, LP | Wentz (Wichita-Albany) | Pecos | 1 | 2.87K | 13.7K | Jan 2000 – Apr 2000 |
| Marvin R. Noll Unit G-4-64229 | Westport Oil and Gas Company, LP | Flowella (Nolle Sand) | Brooks | 1 | 2.74K | 385K | Jan 1993 – Oct 1994 |
| Nona Mills Field Unit G-3-125344 | Westport Oil and Gas Company, LP | Nona Mills (-C- Sand) | Hardin | 1 | 1.75K | 169K | Dec 1999 – Jul 2003 |
| Albrecht, V. G-2-167803 | Westport Oil and Gas Company, LP | Jobar (Yegua) | Goliad | 1 | 1.56K | 665K | Nov 1997 – Jan 2002 |
| Edinburg Improvement Association G-4-137799 | Westport Oil and Gas Company, LP | Texan Gardens (L Sand) | Hidalgo | 1 | 1.54K | 341K | Jan 1993 – Dec 2002 |
| Rooney, Onez O-10-36651 | Westport Oil and Gas Company, LP | Wentz (San Andres) | Pecos | 1 | 1.27K | 125K | Jun 2001 – Mar 2004 |
| Garcia Benavides GU # 1 G-4-172842 | Westport Oil and Gas Company, LP | Flowella (Vicksburg 10100) | Brooks | 1 | 1.25K | 79.2K | Dec 1998 – Feb 2003 |
| Smith, W. D. G-3-174873 | Westport Oil and Gas Company, LP | Splendora, E. (5700) | Liberty | 1 | 1.19K | 242K | Jul 1999 – Jun 2002 |
| Kolodzey G-2-168363 | Westport Oil and Gas Company, LP | Schroeder (5300 Yegua) | Goliad | 1 | 1.18K | 358K | Feb 1998 – Jul 2001 |
| Whipp G-2-167472 | Westport Oil and Gas Company, LP | Jobar (Yegua) | Goliad | 1 | 1.17K | 332K | Jan 1998 – Nov 2000 |
| Cage Ranch G-4-201081 | Westport Oil and Gas Company, LP | Ellen, NW (Myrick Consolidated) | Brooks | 1 | 958 | 144K | Apr 2004 – Aug 2005 |
| Hidalgo - Willacy G-4-121829 | Westport Oil and Gas Company, LP | Tabasco, North (R,fb-3) | Hidalgo | 1 | 883 | 668K | Jan 1993 – Jul 2002 |
| Whipp Unit G-2-167847 | Westport Oil and Gas Company, LP | Jobar (Yegua) | Goliad | 1 | 865 | 310K | Jan 1998 – Jul 2003 |
| Jaschke, L. Gas Unit G-2-169228 | Westport Oil and Gas Company, LP | Bullock's Church, S. (10500) | Victoria | 1 | 834 | 38.8K | Feb 1998 – Feb 2003 |
| Hidalgo Willacy G-4-154943 | Westport Oil and Gas Company, LP | Texan Gardens (R Sand) | Hidalgo | 1 | 791 | 703K | Jul 1995 – Jun 2005 |
| Barton G-3-175448 | Westport Oil and Gas Company, LP | Splendora, E. (Jackson) | Liberty | 1 | 648 | 363K | Oct 1999 – Jun 2000 |
| Cage Ranch II G-4-165583 | Westport Oil and Gas Company, LP | Cage Ranch (8150 Vicksburg) | Brooks | 1 | 610 | 149K | Nov 1997 – Sep 2003 |
| Freeman G-2-183655 | Westport Oil and Gas Company, LP | Speaks, S.W. (5800) | Lavaca | 1 | 476 | 141K | Apr 2001 – Feb 2002 |
| Chevron University "35" O-10-35310 | Westport Oil and Gas Company, LP | War-Wink (Cherry Canyon) | Winkler | 1 | 431 | 201 | Mar 1997 – Apr 1997 |
| Dougherty, MP G-4-165437 | Westport Oil and Gas Company, LP | Texan Gardens (5800) | Hidalgo | 1 | 427 | 375K | Apr 1997 – Dec 1999 |
| Dougherty, M. P. G-4-175060 | Westport Oil and Gas Company, LP | Texan Gardens (5400) | Hidalgo | 1 | 422 | 98.3K | Sep 1999 – May 2002 |
| Garcia-Rupp Gas Unit G-4-196766 | Westport Oil and Gas Company, LP | Flowella (Vicksburg 10100) | Brooks | 1 | 405 | 19.4K | Aug 2003 – May 2004 |
| Chadbourne Ranch 302-B G-9-133263 | Westport Oil and Gas Company, LP | Laura Gail (Gardner) | Coke | 1 | 372 | 348K | Jan 1993 – Apr 2001 |
| Montgomery Unit G-4-145211 | Westport Oil and Gas Company, LP | San Carlos (FE-59) | Hidalgo | 1 | 366 | 158K | Feb 1993 – Jul 1995 |
| Garcia, E. G-4-166442 | Westport Oil and Gas Company, LP | Tabasco (Vicksburg 9740) | Hidalgo | 1 | 343 | 62.1K | Jan 1998 – Feb 2003 |
| Edinburg Improvement Association G-4-175445 | Westport Oil and Gas Company, LP | Texan Gardens (Mission) | Hidalgo | 1 | 263 | 57.3K | Oct 1999 – Mar 2002 |
| Chadbourne Ranch 431 -A- O-9-14349 | Westport Oil and Gas Company, LP | Fort Chadbourne (Gardner) | Coke | 1 | 260 | 0 | Feb 1996 – Nov 1996 |
| Edinburg Improvement Association G-4-167530 | Westport Oil and Gas Company, LP | Foy (6600) | Hidalgo | 1 | 221 | 98.8K | Jan 1997 – Dec 2001 |
| Vaquillas 1629 G-4-134206 | Westport Oil and Gas Company, LP | Vaquillas Ranch (Lobo) | Webb | 1 | 197 | 28K | Jan 1993 – Nov 1998 |
| Dougherty, M. P. G-4-158928 | Westport Oil and Gas Company, LP | Foy (6600) | Hidalgo | 1 | 148 | 47.4K | May 1996 – Aug 1999 |