| Cartwright, Holman O-2-7247 | Cologne Production Company | Holman (5300) | Live Oak | 1 | 19.7K | 74.5K | Feb 1993 – May 2010 |
| Cartwright, Holman O-2-6174 | Cologne Production Company | Holman (Hockley 2ND) | Live Oak | 16 | 16.7K | 19.9K | Jan 1993 – Jul 2001 |
| Cartwright, Holman O-2-2559 | Cologne Production Company | Mt. Lucas (McIver Sand) | Live Oak | 1 | 3.92K | 587 | Jan 1993 – Jun 1994 |
| Cartwright O-2-3684 | Cologne Production Company | Mt. Lucas (V-4 Sand) | Live Oak | 2 | 1.64K | 202 | Jan 1993 – Sep 2001 |
| Horadam "A" G-2-133399 | Cologne Production Company | Cologne (4570 Oil) | Victoria | 1 | 1.12K | 113K | Jan 1993 – Jul 2002 |
| Schmidt, L. A. "A" G-2-180471 | Cologne Production Company | Cologne (4950) | Victoria | 1 | 880 | 785K | Sep 2000 – May 2008 |
| Cartwright, Holman G-2-104733 | Cologne Production Company | Mount Lucas, N.W. (Hockley-A-) | Live Oak | 1 | 450 | 218K | Jan 1993 – Oct 2001 |
| Schmidt, -A- G-2-119959 | Cologne Production Company | Cologne (4700) | Victoria | 1 | 395 | 318K | Jan 1993 – Jul 1999 |
| Reeves-Schmidt Gas Unit G-2-132177 | Cologne Production Company | Cologne (3600) | Victoria | 1 | 236 | 698K | Jan 1993 – Sep 2004 |
| Schmidt, L. A. "A" G-2-142486 | Cologne Production Company | Cologne (4350) | Victoria | 1 | 153 | 23.7K | Jan 1993 – Aug 1994 |
| Schaar, Christian "B" G-2-157891 | Cologne Production Company | Cologne (2700) | Victoria | 1 | 101 | 601K | Apr 1996 – Jan 2009 |
| Cartwright, Holman G-2-154664 | Cologne Production Company | Mount Lucas (2100) | Live Oak | 1 | 64 | 94.7K | Apr 1995 – Jul 1997 |
| Holman Cartwright O-2-8533 | Cologne Production Company | Holman (Hockley 1ST) | Live Oak | 2 | 39 | 2 | Apr 1998 – Jun 2001 |
| Schmidt, L. A. "A" G-2-165315 | Cologne Production Company | Cologne (4040) | Victoria | 1 | 25 | 11.8K | Sep 1997 – May 1998 |
| Schaar, Christian "A" G-2-164534 | Cologne Production Company | Cologne (1800) | Victoria | 1 | 19 | 197K | Sep 1997 – Jan 2012 |
| Cartwright, Holman G-2-165526 | Cologne Production Company | Mount Lucas (1700) | Live Oak | 1 | 18 | 33.9K | Oct 1997 – Aug 2001 |
| Reeves, Claude G-2-157646 | Cologne Production Company | Coletto Creek (2350) | Victoria | 1 | 13 | 47.7K | Feb 1996 – Mar 1999 |
| Cartwright, Holman G-2-159617 | Cologne Production Company | Mount Lucas (2100) | Live Oak | 1 | 12 | 15.7K | Aug 1996 – Nov 1996 |
| Schaar, Christian -B- G-2-110779 | Cologne Production Company | Cologne (2350) | Victoria | 1 | 12 | 298K | Jan 1994 – Jan 2012 |
| Holman Cartwright G-2-151004 | Cologne Production Company | Holman (Hockley 1ST) | Live Oak | 1 | 7 | 152K | Aug 1994 – May 2005 |
| Schubert, E.G. G-2-135466 | Cologne Production Company | Cologne (3600) | Victoria | 1 | 5 | 993K | Jan 1993 – Jan 2012 |
| Horadam "A" G-2-161433 | Cologne Production Company | Cologne (3480) | Victoria | 1 | 3 | 315K | Dec 1996 – Apr 2002 |
| Schmidt, L. A. "A" G-2-175633 | Cologne Production Company | Cologne (1050) | Victoria | 1 | 2 | 10.6K | Nov 1999 – Feb 2001 |
| Cartwright, Holman G-2-144361 | Cologne Production Company | Holman (Hockley 1ST) | Live Oak | 1 | 2 | 152K | Apr 1993 – Aug 2003 |
| Missouri Pacific RR Co. G-2-3234 | Cologne Production Company | Mount Lucas (4300) | Live Oak | 1 | 1 | 19.4K | Jan 1993 – Aug 2001 |
| Cartwright, Holman G-2-182133 | Cologne Production Company | Holman (Hockley 1ST) | Live Oak | 1 | 1 | 0 | Dec 2000 – Dec 2000 |
| Cartwright, Holman G-2-182134 | Cologne Production Company | Mt. Lucas (Hockley, Lower) | Live Oak | 1 | 1 | 0 | Dec 2000 – Dec 2000 |
| Pedro Pardo -A- G-2-127801 | Cologne Production Company | Cologne (2700) | Victoria | 1 | 1 | 79.4K | Jan 1993 – Mar 1997 |
| Cartwright, Holman G-2-31006 | Cologne Production Company | Mount Lucas (5600) | Live Oak | 1 | 1 | 0 | Aug 2002 – Aug 2002 |
| Pardo, Pedro "A" G-2-178501 | Cologne Production Company | Cologne (1600) | Victoria | 1 | 1 | 115K | May 2000 – Mar 2008 |
| Cartwright, Holman G-2-158639 | Cologne Production Company | Mount Lucas (2500) | Live Oak | 1 | 1 | 19.7K | May 1996 – Feb 1997 |
| Cartwright, Holman G-2-162193 | Cologne Production Company | Mount Lucas (2100) | Live Oak | 1 | 1 | 18.5K | Mar 1997 – Oct 1997 |
| Schaar, Christian "a" Lease G-2-140363 | Cologne Production Company | Cologne (1950) | Victoria | 1 | 1 | 234K | Jan 1993 – Jan 1997 |
| Cartwright, Holman G-2-162409 | Cologne Production Company | Mt. Lucas (Hockley, Up.) | Live Oak | 1 | 1 | 7 | Dec 1998 – Nov 2000 |
| Cartwright, Holman G-2-95417 | Cologne Production Company | Mount Lucas (2600) | Live Oak | 1 | 0 | 0 | — |
| Horadam, Henry G-2-94679 | Cologne Production Company | Cologne (4540) | Victoria | 1 | 0 | 0 | — |
| Cartwright, Holman G-2-33779 | Cologne Production Company | Mount Lucas (2100) | Live Oak | 1 | 0 | 0 | — |
| Schaar, C. -B- G-2-91620 | Cologne Production Company | Cologne (700) | Victoria | 1 | 0 | 0 | — |
| Willemin, Kate G-2-90948 | Cologne Production Company | Coletto Creek, South (4650) | Victoria | 1 | 0 | 97K | Jan 1993 – Dec 1997 |
| Cartwright, Holman G-2-33778 | Cologne Production Company | Mount Lucas (1700) | Live Oak | 1 | 0 | 0 | — |
| Missouri Pacific RR Co. G-2-3236 | Cologne Production Company | Mt. Lucas (Hockley, Lower) | Live Oak | 1 | 0 | 0 | — |
| Willemin, Kate G-2-87628 | Cologne Production Company | Coletto Creek, South (3600) | Victoria | 1 | 0 | 0 | — |
| Willemin, Kate G-2-86563 | Cologne Production Company | Coletto Creek, South (3950) | Victoria | 1 | 0 | 205 | Jan 1994 – Dec 1997 |
| Cartwright, Holman G-2-33777 | Cologne Production Company | Mount Lucas (5500) | Live Oak | 1 | 0 | 0 | — |
| Willemin, Kate G-2-83662 | Cologne Production Company | Coletto Creek, South (4000) | Victoria | 1 | 0 | 0 | — |
| Cartwright "A" G-2-70933 | Cologne Production Company | Mount Lucas (2150) | Live Oak | 1 | 0 | 7.73K | Jun 1993 – Nov 1998 |
| Missouri Pacific RR Co. G-2-33081 | Cologne Production Company | Mount Lucas (3200) | Live Oak | 1 | 0 | 102K | Dec 1997 – Dec 2012 |
| Missouri Pacific R.R. Co. G-2-3229 | Cologne Production Company | Mt. Lucas (Vicksburg 3600) | Live Oak | 1 | 0 | 50.7K | Jan 1993 – Dec 1999 |
| Hornstein, J. "A" G-2-136510 | Cologne Production Company | Cologne (3890) | Victoria | 1 | 0 | 17.2K | Jan 1993 – Sep 1994 |
| Schmidt, L.A. -A- G-2-131546 | Cologne Production Company | Cologne (2100) | Victoria | 1 | 0 | 0 | — |