| Chalk, G. O. -D- O-10-18990 | Howard-Glasscock (Glorieta) | Howard | 8 | 114K | 23.1K | by Jan 1993 – Dec 2002 | off the schedule |
| Benavides, Rosa V. A1 G-4-143128 | Benavides (Lobo Cons.) | Webb | 1 | 112K | 4.43M | by Jan 1993 – Dec 2002 | Hilcorp Energy Company |
| Chalk Estate O-10-19030 | Howard-Glasscock (Glorieta) | Howard | 9 | 109K | 9.93K | by Jan 1993 – Dec 2002 | off the schedule |
| Settles, W. R. -B- O-10-2705 | Howard Glasscock | Howard | 11 | 99.2K | 3.19K | by Jan 1993 – Dec 2002 | off the schedule |
| McClung, Anna 1 G-9-152491 | Pakenham (Thrusted) | Terrell | 1 | 98.7K | 5.7M | Nov 1994 – Dec 2002 | White Rock Oil & Gas, LLC |
| Slick, T. B., Estate -E- O-4-2379 | Rincon (Vicksburg Sand) | Starr | 4 | 98.2K | 147K | by Jan 1993 – Dec 2002 | Hilcorp Energy Company |
| Benavides, Rosa V. A-2 G-4-159762 | Benavides (Lobo Cons.) | Webb | 1 | 97.1K | 2.72M | May 1996 – Dec 2002 | Hilcorp Energy Company |
| Slick, T. B. Estate "A" G-4-154448 | Rincon (Vicksburg Cons.) | Starr | 1 | 96.9K | 3.11M | May 1995 – Dec 2002 | Hilcorp Energy Company |
| Owen-Chalk O-10-2764 | Howard Glasscock | Howard | 27 | 96.2K | 19.4K | by Jan 1993 – Dec 2002 | off the schedule |
| Chalk, G. O. -D- O-10-22055 | Howard Glasscock (Clear Fork,mi) | Howard | 5 | 95.5K | 7.09K | by Jan 1993 – Dec 2002 | off the schedule |
| Vaquillas Ranch A8 G-4-164617 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 88.7K | 2.88M | Sep 1997 – Dec 2002 | Hilcorp Energy Company |
| Vaquillas Ranch a 1 G-4-158265 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 85.5K | 2.39M | Apr 1996 – Dec 2002 | Hilcorp Energy Company |
| Creek Ranch 12 G-9-155629 | Deer Canyon (Penn) | Terrell | 1 | 85K | 4.64M | Jul 1995 – Dec 2002 | White Rock Oil & Gas, LLC |
| Mitchell, Mary 1 G-9-171685 | Pakenham (Upper Strawn) | Terrell | 1 | 82.4K | 3.25M | Jan 1999 – Dec 2002 | White Rock Oil & Gas, LLC |
| St. Charles Co. G-4-157177 | St. Charles (Frio Cons., Upper) | Aransas | 1 | 81.2K | 2.81M | Sep 1995 – Dec 2002 | Hilcorp Energy Company |
| Mitchell, Mary 1 G-9-167741 | Pakenham (Upper Strawn) | Terrell | 1 | 81.1K | 2.12M | Mar 1998 – Dec 2002 | White Rock Oil & Gas, LLC |
| Slick, T. B., Est. -B- O-4-6933 | Rincon (Vicksburg I-E) | Starr | 3 | 80.4K | 143K | by Jan 1993 – Dec 2002 | Hilcorp Energy Company |
| Mitchell, Alex 1 G-9-165705 | Deer Canyon (Penn) | Terrell | 1 | 77.2K | 5.32M | May 1997 – Dec 2002 | White Rock Oil & Gas, LLC |
| Benavides, Rosa V. E4 G-4-156451 | Benavides (Lobo Cons.) | Webb | 1 | 76.7K | 4.85M | Jun 1995 – Dec 2002 | Hilcorp Energy Company |
| Culbertson "17" G-9-170344 | South Park (Strawn) | Terrell | 1 | 75.7K | 3.71M | Sep 1998 – Dec 2002 | White Rock Oil & Gas, LLC |
| Chalk, Sloan O-10-2765 | Howard Glasscock | Howard | 14 | 75.3K | 11.3K | by Jan 1993 – Dec 2002 | off the schedule |
| Owen-Chalk O-10-19034 | Howard-Glasscock (Glorieta) | Howard | 13 | 74.8K | 11.3K | by Jan 1993 – Dec 2002 | off the schedule |
| Douthit O-10-19014 | Howard-Glasscock (Glorieta) | Howard | 22 | 74.2K | 22.9K | by Jan 1993 – Dec 2002 | off the schedule |
| Mitchell, Alex 2 G-9-154018 | Deer Canyon (Penn) | Terrell | 1 | 73.6K | 2.96M | Feb 1995 – Dec 2002 | White Rock Oil & Gas, LLC |
| Mitchell, Alex 1 G-9-168853 | Deer Canyon (Strawn) | Terrell | 1 | 73.3K | 3.45M | Apr 1998 – Dec 2002 | White Rock Oil & Gas, LLC |
| Settles, W. R. -C- O-10-10806 | Howard Glasscock | Howard | 24 | 66.3K | 6.47K | by Jan 1993 – Dec 2002 | off the schedule |
| G.O. Chalk "F" O-10-33399 | Howard-Glasscock (Glorieta) | Howard | 3 | 65.7K | 6.27K | by Jan 1993 – Dec 2002 | off the schedule |
| University 4 G-9-185612 | Deer Canyon (Penn) | Terrell | 1 | 65.5K | 1.48M | Sep 2001 – Dec 2002 | White Rock Oil & Gas, LLC |
| Vaquillas Ranch "L" G-4-154313 | Benavides (Lobo Cons.) | Webb | 1 | 65.1K | 5.27M | Mar 1995 – Dec 2002 | Hilcorp Energy Company |
| Benavides, Rosa V. E G-4-164270 | Benavides (Lobo Cons.) | Webb | 1 | 64.6K | 2.82M | Aug 1997 – Dec 2002 | Hilcorp Energy Company |
| Vaquillas Ranch Co Ltd. G-4-129861 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 64.4K | 3.51M | by Jan 1993 – Dec 2002 | Hilcorp Energy Company |
| Reed, W. N. & L. R. O-10-2797 | Howard Glasscock | Howard | 11 | 64.1K | 16.2K | by Jan 1993 – Dec 2002 | off the schedule |
| Benavides, Rosa V A2 G-4-160395 | Benavides (Lobo Cons.) | Webb | 1 | 61.8K | 2.46M | Oct 1996 – Dec 2002 | Hilcorp Energy Company |
| Benavides, Rosa V. A3 G-4-175686 | Benavides (Lobo Cons.) | Webb | 1 | 61.4K | 2.02M | Dec 1999 – Dec 2002 | Hilcorp Energy Company |
| Reed -B- O-10-19017 | Howard-Glasscock (Glorieta) | Howard | 8 | 60.9K | 13.6K | by Jan 1993 – Dec 2002 | off the schedule |
| Benavides, Rosa V. C G-4-161510 | Benavides (Lobo Cons.) | Webb | 1 | 60.1K | 2.46M | Nov 1996 – Dec 2002 | Hilcorp Energy Company |
| Vaquillas Ranch Co. Ltd G-4-174849 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 59.3K | 3.07M | Oct 1999 – Dec 2002 | Hilcorp Energy Company |
| Vergara-Rayzor GU G-4-168314 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 59K | 4.07M | Apr 1998 – Dec 2002 | Hilcorp Energy Company |
| Vaquillas Ranch L G-4-159178 | Benavides (Lobo Cons.) | Webb | 1 | 58.3K | 1.4M | May 1996 – Dec 2002 | Hilcorp Energy Company |
| G.B. Vergara G-4-168209 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 56.6K | 3.14M | Dec 1997 – Dec 2002 | Hilcorp Energy Company |
| Benavides, Rosa V. B4 G-4-148499 | Benavides (Lobo Cons.) | Webb | 1 | 56.4K | 3.84M | Feb 1994 – Dec 2002 | Hilcorp Energy Company |
| Lechenger G-4-176022 | Benavides (Lobo Cons.) | Webb | 1 | 56K | 1.84M | Jan 2000 – Dec 2002 | Hilcorp Energy Company |
| Vaquillas Ranch A5 G-4-170938 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 55.4K | 1.89M | Oct 1998 – Dec 2002 | Hilcorp Energy Company |
| Chalk, Mary O-10-22065 | Howard Glasscock (Clear Fork,mi) | Howard | 6 | 55.2K | 14.3K | by Jan 1993 – Dec 2002 | off the schedule |
| Vaquillas Ranch E G-4-159588 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 54.1K | 4.19M | Jul 1996 – Dec 2002 | Hilcorp Energy Company |
| Benavides, Rosa V. E1 G-4-145294 | Benavides (Lobo Cons.) | Webb | 1 | 53.8K | 4.69M | Apr 1993 – Dec 2002 | Hilcorp Energy Company |
| Slick, T. B. Estate "A" G-4-149571 | Rincon (Vicksburg Cons.) | Starr | 1 | 53K | 1.92M | Apr 1994 – Dec 2002 | Hilcorp Energy Company |
| Vaquillas Ranch State F G-4-173240 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 52.8K | 1.77M | Jan 1999 – Dec 2002 | Hilcorp Energy Company |
| Vaquillas Ranch Co., Ltd G-4-120718 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 52.7K | 4.23M | by Jan 1993 – Dec 2002 | Hilcorp Energy Company |
| Vaquillas Ranch A-1 G-4-136502 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 51.7K | 2.54M | by Jan 1993 – Dec 2002 | Hilcorp Energy Company |