| Williams-Wall Unit G-6-142701 | Union Pacific Resources Company | Carthage (Cotton Valley) | Panola | 1 | 2.11K | 214K | by Jan 1993 – Oct 1996 |
| Kunze-Kasper Unit O-3-21671 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Fayette | 1 | 2.1K | 1.8K | by Jan 1993 – Jul 1993 |
| Butts, J.B. O-4-11468 | Union Pacific Resources Company | Stratton (F-34-13) | Nueces | 1 | 2.06K | 1.44K | by Jan 1993 – Oct 1994 |
| Poellnitz-Poellnitz Unit O-3-22000 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Grimes | 1 | 2.06K | 39.4K | Mar 1993 – Sep 1993 |
| Fischer, L.A. O-3-11949 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Lee | 1 | 2.01K | 3.32K | by Jan 1993 – Apr 1994 |
| Seale, Nancy O-3-18014 | Union Pacific Resources Company | Kurten (Buda) | Robertson | 1 | 1.98K | 1.45K | by Jan 1993 – Jul 1994 |
| Caudle, Dahlia O. Unit #1 G-6-75726 | Union Pacific Resources Company | Carthage (Cotton Valley) | Panola | 1 | 1.9K | 24.6K | by Jan 1993 – Apr 1995 |
| Burns G-H O-1-13102 | Union Pacific Resources Company | Pearsall (Austin Chalk) | La Salle | 1 | 1.85K | 367 | Apr 1993 – Jun 1993 |
| Worthington, Woodrow O-3-14065 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 1.84K | 2.57K | by Jan 1993 – Apr 1994 |
| Chiodo -C- O-1-7767 | Union Pacific Resources Company | Pearsall (Austin Chalk) | Frio | 7 | 1.73K | 3 | by Jan 1993 – Mar 1993 |
| Dooley, B.F. O-10-34632 | Union Pacific Resources Company | Conger, SW (Penn) | Glasscock | 3 | 1.71K | 64.2K | Sep 1995 – Jan 1997 |
| Neal, Sallie J. Unit G-6-133070 | Union Pacific Resources Company | Carthage (Cotton Valley) | Panola | 1 | 1.71K | 74.6K | Feb 1993 – Jan 1995 |
| G.C. Fleming 1904C O-6-13777 | Union Pacific Resources Company | Carthage (Travis Peak-Smith) | Panola | 2 | 1.64K | 58.1K | Jun 1997 – Aug 1999 |
| Dallmeyer O-3-16035 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Washington | 1 | 1.63K | 12.9K | by Jan 1993 – Mar 1997 |
| Britten Ranch O-3-21353 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Brazos | 1 | 1.63K | 4K | by Jan 1993 – Aug 1993 |
| Mittasch, H. O-3-12051 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Lee | 1 | 1.52K | 11.6K | by Jan 1993 – Feb 1994 |
| AV-Tech Bell O-1-13620 | Union Pacific Resources Company | Pearsall (Austin Chalk) | Dimmit | 1 | 1.51K | 6 | by Jan 1993 – Jun 1993 |
| Dudake, Paul L. Unit O-3-16594 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Brazos | 1 | 1.5K | 13 | by Jan 1993 – Jan 1994 |
| Schwierzke-Schwierzie Unit O-3-20785 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 1.47K | 565 | by Jan 1993 – May 1994 |
| Newton O-3-15214 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Lee | 2 | 1.46K | 2.32K | by Jan 1993 – Jul 1994 |
| Loehr, Bennie O-3-20198 | Union Pacific Resources Company | Caldwell, NE (Georgetown) | Burleson | 1 | 1.35K | 3K | by Jan 1993 – Apr 1993 |
| Melanie G-3-112103 | Union Pacific Resources Company | Giddings (Austin Chalk, Gas) | Lee | 1 | 1.35K | 65.8K | by Jan 1993 – Oct 1996 |
| Grace G-3-118945 | Union Pacific Resources Company | Giddings (Austin Chalk, Gas) | Fayette | 1 | 1.35K | 121K | by Jan 1993 – Sep 2000 |
| Cottonwood Bayou G-3-138687 | Union Pacific Resources Company | Giddings (Austin Chalk, Gas) | Burleson | 1 | 1.34K | 26.6K | by Jan 1993 – Nov 1994 |
| Poellnitz-Poellnitz Unit G-3-147414 | Union Pacific Resources Company | Hill (Buda) | Grimes | 1 | 1.3K | 227K | Sep 1993 – Apr 1996 |
| Unger, Fred O-3-11591 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Lee | 1 | 1.29K | 15 | by Jan 1993 – Apr 1994 |
| Hackemack Unit G-3-155564 | Union Pacific Resources Company | Giddings (Austin Chalk, Gas) | Fayette | 1 | 1.22K | 60.6K | Jul 1995 – Jan 2000 |
| Arthur Urban Unit O-3-17520 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Lee | 1 | 1.22K | 1.76K | by Jan 1993 – Jul 1993 |
| Englemann, L.E. Unit O-3-14429 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 1.22K | 4.38K | by Jan 1993 – May 1993 |
| Hancock, J.F. Unit G-6-144398 | Union Pacific Resources Company | Carthage (Travis Peak-Smith, S.) | Panola | 1 | 1.15K | 106K | by Jan 1993 – Sep 1994 |
| Alford 'B' Gas Unit G-6-128306 | Union Pacific Resources Company | Oak Hill (Cotton Valley) | Rusk | 1 | 1.14K | 189K | by Jan 1993 – May 1998 |
| Moses O-3-19717 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Lee | 1 | 1.12K | 2.68K | by Jan 1993 – Jul 1994 |
| Bernice "A" O-3-20672 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 1.06K | 2.63K | by Jan 1993 – Mar 1994 |
| Oltmann Unit O-3-16914 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Lee | 1 | 1.06K | 470 | by Jan 1993 – Apr 1994 |
| Frame Unit I O-3-21877 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Brazos | 1 | 1.04K | 2.13K | by Jan 1993 – Jun 1994 |
| Neal, Sallie J. Unit G-6-71702 | Union Pacific Resources Company | Carthage (Cotton Valley) | Panola | 1 | 1K | 93.9K | by Jan 1993 – Jan 1995 |
| Knesek, Louis O-3-13599 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 2 | 991 | 9.34K | by Jan 1993 – Aug 1993 |
| Dansby-Davis Unit O-3-18116 | Union Pacific Resources Company | Kurten (Buda) | Brazos | 1 | 981 | 7 | by Jan 1993 – Aug 1993 |
| Terry, I. W.-A- O-10-25940 | Union Pacific Resources Company | Conger, SW (Penn) | Glasscock | 5 | 962 | 34.8K | by Jan 1993 – Feb 1996 |
| Thessalonians Unit O-3-17982 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Lee | 1 | 920 | 5.32K | by Jan 1993 – Mar 1996 |
| Easterwood, W. H. O-3-12865 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 911 | 4.27K | by Jan 1993 – Oct 1993 |
| Yegua Unit G-3-140902 | Union Pacific Resources Company | Giddings (Austin Chalk, Gas) | Burleson | 1 | 901 | 22.6K | Feb 1993 – Dec 1994 |
| Trifecta Unit O-3-23048 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 848 | 5.41K | Nov 1995 – Dec 1996 |
| Wardner, G. P. O-4-12302 | Union Pacific Resources Company | Stratton (G-29, Res. 2) | Nueces | 1 | 822 | 68.8K | Jan 1994 – Feb 1996 |
| Dreier G-2-165216 | Union Pacific Resources Company | Weesatche, NE. (Little Sand) | Goliad | 1 | 815 | 9.12K | Sep 1997 – Mar 1998 |
| Johnson Ranch G-3-148175 | Union Pacific Resources Company | Hill (Buda) | Grimes | 1 | 785 | 87.6K | Dec 1993 – Jul 1994 |
| Wardner, G. P. G-4-149760 | Union Pacific Resources Company | Stratton (G-29, Res. 2) | Kleberg | 1 | 764 | 38.7K | May 1994 – Oct 1994 |
| Wardner, G.P. O-4-11682 | Union Pacific Resources Company | Stratton (L-16) | Kleberg | 1 | 750 | 30.7K | by Jan 1993 – Nov 1993 |
| Alford, D.L. Jr. O-3-18902 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 746 | 193 | by Jan 1993 – Apr 1993 |
| Harrison-Thompson Unit O-3-22194 | Union Pacific Resources Company | Iola (Georgetown) | Grimes | 1 | 739 | 7.35K | Aug 1993 – Feb 1994 |