| Ballew-Hudson Unit O-3-20982 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 5.57K | 61.5K | by Jan 1993 – Oct 1994 |
| Lightsey, Walter #1 O-3-15473 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 5.47K | 3.1K | by Jan 1993 – Mar 1995 |
| Krause, A.M. Unit O-3-18264 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Lee | 1 | 5.45K | 1.89K | by Jan 1993 – Apr 1995 |
| Lilly Unit O-3-14709 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 5.38K | 25.2K | by Jan 1993 – Sep 1995 |
| Embesi, T.A. O-3-16912 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Fayette | 1 | 5.22K | 89.7K | by Jan 1993 – May 1998 |
| Williams Unit A-539 G-6-154487 | Union Pacific Resources Company | Brookeland (Austin Chalk, 8800) | Jasper | 1 | 5.12K | 87.7K | Oct 1994 – Oct 1995 |
| Mosley - Dryden "A" O-4-12580 | Union Pacific Resources Company | Stratton (F-39-10) | Nueces | 1 | 4.98K | 22.8K | May 1996 – Oct 1996 |
| Lehmann-Clements Unit O-3-21693 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Fayette | 1 | 4.93K | 7.87K | by Jan 1993 – Apr 1994 |
| Olden-Paull Unit G-3-144379 | Union Pacific Resources Company | Giddings (Georgetown, Gas) | Brazos | 1 | 4.81K | 100K | by Jan 1993 – Mar 1993 |
| Texaco "D" O-6-13046 | Union Pacific Resources Company | Brookeland (Austin Chalk, 8800) | Newton | 1 | 4.58K | 80.2K | by Jan 1993 – May 1994 |
| Scarmardo,morris O-3-21203 | Union Pacific Resources Company | Caldwell, NE (Georgetown) | Burleson | 1 | 4.56K | 22.5K | by Jan 1993 – Mar 1994 |
| Bredhauer, Tommy Unit O-3-13437 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Lee | 3 | 4.51K | 17.7K | by Jan 1993 – Mar 1994 |
| Glass, D. L. O-10-26354 | Union Pacific Resources Company | Conger, SW (Penn) | Sterling | 9 | 4.41K | 383K | by Jan 1993 – Dec 1996 |
| Terry, I.W. O-10-33998 | Union Pacific Resources Company | Conger, SW (Wolfcamp) | Sterling | 1 | 4.24K | 6.83K | Oct 1993 – Jun 1996 |
| Wardner, G. P. O-4-3022 | Union Pacific Resources Company | Stratton | Kleberg | 8 | 4.24K | 41.7K | by Jan 1993 – Dec 1995 |
| Peto O-3-16305 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Washington | 1 | 4.2K | 32.2K | by Jan 1993 – Apr 1996 |
| Ruffino, P. Jr. "C" O-3-17182 | Union Pacific Resources Company | Kurten (Buda) | Brazos | 1 | 3.96K | 4.17K | by Jan 1993 – Aug 1995 |
| Marek, Joe J. O-3-13471 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 3.91K | 21.9K | by Jan 1993 – Sep 1995 |
| Maddox "A" O-3-13756 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 3.83K | 33.7K | by Jan 1993 – Jan 1996 |
| Tiger Unit O-3-22270 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 3.71K | 26.6K | Nov 1993 – Jul 1994 |
| Battaglia, Vivian O-1-12821 | Union Pacific Resources Company | Pearsall (Austin Chalk) | Frio | 1 | 3.67K | 7.74K | by Jan 1993 – Aug 1994 |
| Dixon Unit O-3-15504 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Lee | 1 | 3.6K | 33.6K | by Jan 1993 – Jun 1994 |
| Good, A.V. O-1-13174 | Union Pacific Resources Company | Pearsall (Austin Chalk) | Frio | 1 | 3.57K | 21 | by Jan 1993 – Jul 1996 |
| Ruffino, P. III "D" O-3-17513 | Union Pacific Resources Company | Kurten (Buda) | Brazos | 1 | 3.49K | 987 | by Jan 1993 – Jul 1995 |
| Wardner, G.P. O-4-11439 | Union Pacific Resources Company | Stratton Add'l Res. (G-7-1) | Nueces | 2 | 3.49K | 133K | by Jan 1993 – Oct 1996 |
| Holland Unit O-6-13300 | Union Pacific Resources Company | Carthage (Travis Peak-Woolworth) | Panola | 1 | 3.47K | 3.7K | May 1994 – Oct 1997 |
| Doss, W. G-3-138399 | Union Pacific Resources Company | Wadsworth (I-Sand) | Matagorda | 1 | 3.46K | 199K | by Jan 1993 – Jan 1995 |
| Brinkman, L.W Unit "C" O-3-15147 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 3.3K | 74.6K | by Jan 1993 – Jun 1994 |
| Gig'em O-3-21407 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Brazos | 1 | 3.26K | 27.7K | by Jan 1993 – Oct 1993 |
| Wardner, G. P. O-4-4995 | Union Pacific Resources Company | Stratton (F-39-10) | Kleberg | 2 | 3.26K | 43.6K | May 1993 – Oct 1996 |
| Bravenec - Tatum Unit O-3-20815 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 3.22K | 29K | by Jan 1993 – Nov 1994 |
| Mae Unit O-3-12815 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Lee | 2 | 3.19K | 58.7K | by Jan 1993 – Sep 1994 |
| Wardner, G.P. O-4-9601 | Union Pacific Resources Company | Stratton (E-49-13) | Kleberg | 2 | 3.06K | 40.1K | by Jan 1993 – Sep 1996 |
| Startown 'A'unit O-3-21582 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Brazos | 1 | 3.01K | 21K | by Jan 1993 – Aug 1993 |
| Patricia-O.L. Unit O-3-17629 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Fayette | 1 | 2.76K | 14.5K | by Jan 1993 – Sep 1993 |
| Symm O-3-20925 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Lee | 1 | 2.72K | 9.96K | by Jan 1993 – Mar 1994 |
| Junek-Riddle O-3-20856 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 2.72K | 18.6K | by Jan 1993 – Apr 1994 |
| Worthington, Irvin O-3-14233 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 2.7K | 6.9K | by Jan 1993 – Nov 1993 |
| Mamie O-3-15152 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Lee | 1 | 2.65K | 4.94K | by Jan 1993 – Apr 1994 |
| Becker Unit G-3-153826 | Union Pacific Resources Company | Giddings (Austin Chalk, Gas) | Washington | 1 | 2.46K | 3.97M | Mar 1995 – May 2000 |
| Susanna O-3-20700 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 2.42K | 14.8K | by Jan 1993 – May 1994 |
| Goodall, J. D. G-3-136097 | Union Pacific Resources Company | Wadsworth, SE. (Discorbis B Sd.) | Matagorda | 1 | 2.38K | 24K | by Jan 1993 – Mar 1994 |
| Grant, P.M. O-3-16415 | Union Pacific Resources Company | Kurten (Buda) | Brazos | 1 | 2.31K | 2.51K | by Jan 1993 – Jul 1993 |
| Butts, J.B. O-4-11488 | Union Pacific Resources Company | Stratton (Sellers 4, Lower) | Nueces | 1 | 2.28K | 26.5K | by Jan 1993 – Sep 1995 |
| Gruene, O.A. O-4-10392 | Union Pacific Resources Company | Stratton (G-21, RES.4) | Nueces | 1 | 2.26K | 13K | by Jan 1993 – Mar 1994 |
| Tatum, Lester O-3-12557 | Union Pacific Resources Company | Caldwell (Austin Chalk) | Burleson | 3 | 2.24K | 23.8K | by Jan 1993 – May 1995 |
| September O-3-18228 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Lee | 1 | 2.22K | 9.26K | by Jan 1993 – Apr 1996 |
| Willis, H. Jr. O-3-14096 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Burleson | 1 | 2.22K | 11K | by Jan 1993 – Sep 1994 |
| Moore, C.E. Unit G-6-142322 | Union Pacific Resources Company | Carthage (Travis Peak) | Panola | 1 | 2.14K | 133K | by Jan 1993 – Jan 1998 |
| Medack, Paul O-3-11603 | Union Pacific Resources Company | Giddings (Austin Chalk-3) | Lee | 3 | 2.12K | 615 | by Jan 1993 – Jun 1995 |