| 519583 | May 1, 2002 | May 1, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #126 | 6,100 | 47938104 |
| 519582 | May 1, 2002 | May 1, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #127 | 6,100 | 47938105 |
| 519425 | Apr 30, 2002 | Apr 30, 2002 | Crimson Energy Company, LC | Webb | Brask #1 | 6,500 | 47938099 |
| 519424 | Apr 30, 2002 | Apr 30, 2002 | Crimson Energy Company, LC | Webb | Brask #2 | 6,500 | 47938100 |
| 519399 | Apr 24, 2002 | Apr 24, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #125 | 6,200 | 47938098 |
| 519399Amendment | Apr 24, 2002 | Apr 24, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #125 | 6,200 | 47938098 |
| 519002 | Apr 11, 2002 | Apr 11, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #122 | 6,100 | 47938086 |
| 519001 | Apr 11, 2002 | Apr 11, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #124 | 6,100 | 47938087 |
| 518786 | Apr 4, 2002 | Apr 4, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #121 | 6,100 | 47938083 |
| 518785 | Apr 4, 2002 | Apr 4, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #123 | 6,100 | 47938082 |
| 517978Amendment | Feb 28, 2002 | Feb 28, 2002 | Crimson Energy Company, LC | Webb | Briscoe 21C #4 | 4,400 | 47936375 |
| 517492 | Feb 15, 2002 | Feb 15, 2002 | Crimson Energy Company, LC | Webb | Briscoe "J" #2 | 6,500 | 47938048 |
| 517492Amendment | Feb 15, 2002 | Feb 15, 2002 | Crimson Energy Company, LC | Webb | Briscoe "J" #2 | 6,500 | 47938048 |
| 517491 | Feb 15, 2002 | Feb 15, 2002 | Crimson Energy Company, LC | Webb | Briscoe "J" #1 | 6,500 | 47938049 |
| 517181 | Feb 1, 2002 | Feb 1, 2002 | Crimson Energy Company, LC | Karnes | Gauntt, Ruby #1 | 6,476 | 25530066 |
| 517133 | Jan 30, 2002 | Jan 30, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #118 | 6,100 | 47938039 |
| 517133Amendment | Jan 30, 2002 | Jan 30, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #118 | 6,100 | 47938039 |
| 517132 | Jan 30, 2002 | Jan 30, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #120 | 6,100 | 47938040 |
| 517032 | Jan 25, 2002 | Jan 25, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #115 | 6,100 | 47938037 |
| 517030 | Jan 25, 2002 | Jan 25, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #117 | 6,100 | 47938035 |
| 517028 | Jan 25, 2002 | Jan 25, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #119 | 6,100 | 47938034 |
| 517031 | Jan 24, 2002 | Jan 24, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #116 | 6,100 | 47938036 |
| 517027 | Jan 24, 2002 | Jan 24, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #112 | 6,100 | 47938033 |
| 516816 | Jan 15, 2002 | Jan 15, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #93 | 6,100 | 47938024 |
| 516815 | Jan 15, 2002 | Jan 15, 2002 | Crimson Energy Company, LC | Webb | Briscoe "E" #97 | 6,100 | 47938025 |
| 516094 | Dec 17, 2001 | Dec 17, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #104 | 6,100 | 47938001 |
| 516093 | Dec 17, 2001 | Dec 17, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #99 | 6,100 | 47938000 |
| 515325 | Nov 20, 2001 | Nov 20, 2001 | Crimson Energy Company, LC | Karnes | Gauntt, Ruby #3 | 6,369 | 25530073 |
| 513901 | Oct 4, 2001 | Oct 4, 2001 | Crimson Energy Company, LC | Brazos | Uvacek #1H | 10,400 | 04130816 |
| 514013 | Oct 3, 2001 | Oct 3, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #79 | 6,200 | 47934418 |
| 514012 | Oct 3, 2001 | Oct 3, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #94 | 6,200 | 47937956 |
| 514012Amendment | Oct 3, 2001 | Oct 3, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #94 | 6,200 | 47937956 |
| 513936 | Oct 1, 2001 | Oct 1, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #108 | 6,100 | 47937952 |
| 513937 | Sep 27, 2001 | Sep 27, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #98 | 6,100 | 47937953 |
| 512707 | Aug 21, 2001 | Aug 21, 2001 | Crimson Energy Company, LC | Webb | Briscoe "I" State #6 | 6,100 | 47937926 |
| 512707Amendment | Aug 21, 2001 | Aug 21, 2001 | Crimson Energy Company, LC | Webb | Briscoe "I" State #6 | 6,100 | 47937926 |
| 512702 | Aug 21, 2001 | Aug 21, 2001 | Crimson Energy Company, LC | Webb | Briscoe "I" State #5 | 6,100 | 47937925 |
| 512701 | Aug 21, 2001 | Aug 21, 2001 | Crimson Energy Company, LC | Webb | Briscoe "I" State #4 | 6,100 | 47937924 |
| 512700 | Aug 21, 2001 | Aug 21, 2001 | Crimson Energy Company, LC | Webb | Briscoe "I" State #3 | 6,100 | 47937923 |
| 512699 | Aug 21, 2001 | Aug 21, 2001 | Crimson Energy Company, LC | Webb | Briscoe "I" State #2 | 6,100 | 47937922 |
| 512698 | Aug 21, 2001 | Aug 21, 2001 | Crimson Energy Company, LC | Webb | Briscoe "I" State #1 | 6,100 | 47937921 |
| 512513 | Aug 16, 2001 | Aug 16, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #102 | 6,100 | 47937913 |
| 512450 | Aug 13, 2001 | Aug 13, 2001 | Crimson Energy Company, LC | Webb | Briscoe 'E' #86 | 4,500 | 47934591 |
| 512389 | Aug 9, 2001 | Aug 9, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #105 | 6,100 | 47937908 |
| 512388 | Aug 9, 2001 | Aug 9, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #114 | 6,100 | 47937907 |
| 512093 | Aug 1, 2001 | Aug 1, 2001 | Crimson Energy Company, LC | Washington | Wolff #4HH | 12,500 | 47730907 |
| 511719 | Jul 30, 2001 | Jul 30, 2001 | Crimson Energy Company, LC | Webb | Briscoe "B" #2 | 6,300 | 47937889 |
| 511430 | Jul 17, 2001 | Jul 17, 2001 | Crimson Energy Company, LC | Webb | Briscoe "A" #630 | 5,468 | 47932048 |
| 511430Amendment | Jul 17, 2001 | Jul 17, 2001 | Crimson Energy Company, LC | Webb | Briscoe "A" #630 | 5,468 | 47932048 |
| 511429 | Jul 17, 2001 | Jul 17, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #95 | 6,100 | 47937880 |
| 511429Amendment | Jul 17, 2001 | Jul 17, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #95 | 6,100 | 47937880 |
| 511422 | Jul 17, 2001 | Jul 17, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #113 | 6,100 | 47937879 |
| 511421 | Jul 17, 2001 | Jul 17, 2001 | Crimson Energy Company, LC | Webb | Briscoe "B" #1 | 6,200 | 47935094 |
| 510634 | Jun 26, 2001 | Jun 26, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #100 | 5,700 | 47937864 |
| 510418 | Jun 22, 2001 | Jun 22, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #83 | 4,885 | 47934417 |
| 510419 | Jun 21, 2001 | Jun 21, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #107 | 5,900 | 47937857 |
| 509234 | May 25, 2001 | May 25, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #111 | 6,200 | 47937826 |
| 509219 | May 23, 2001 | May 23, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #103 | 6,200 | 47937823 |
| 508634 | May 18, 2001 | May 18, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #87 | 5,500 | 47934615 |
| 509094 | May 17, 2001 | May 17, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #110 | 6,200 | 47937818 |
| 507017 | Apr 3, 2001 | Apr 3, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #109 | 6,100 | 47937767 |
| 507015 | Apr 2, 2001 | Apr 2, 2001 | Crimson Energy Company, LC | Webb | Briscoe "E" #101 | 5,990 | 47937768 |
| 502379 | Nov 28, 2000 | Nov 28, 2000 | Crimson Energy Company, LC | Webb | Briscoe "A" #530 | 5,568 | 47931982 |
| 502379Amendment | Nov 28, 2000 | Nov 28, 2000 | Crimson Energy Company, LC | Webb | Briscoe "A" #530 | 5,568 | 47931982 |
| 494391 | Apr 27, 2000 | Apr 27, 2000 | Crimson Energy Company, LC | Runnels | Campbell, Hugh #1 | 5,100 | 39934683 |
| 492005 | Feb 16, 2000 | Feb 16, 2000 | Crimson Energy Company, LC | Karnes | Lewis #1 | 7,900 | 25531406 |
| 490744 | Jan 3, 2000 | Jan 3, 2000 | Crimson Energy Company, LC | Karnes | Gauntt, Ruby #1 | 6,476 | 25530066 |
| 488582 | Oct 18, 1999 | Oct 18, 1999 | Crimson Energy Company, LC | Karnes | Gaunett, Ruby #2 | 6,355 | 25530072 |
| 488581 | Oct 18, 1999 | Oct 18, 1999 | Crimson Energy Company, LC | Karnes | Gauntt, Ruby #3 | 6,369 | 25530073 |
| 488580 | Oct 18, 1999 | Oct 18, 1999 | Crimson Energy Company, LC | Karnes | Mudd, Mary Maud #4 | 6,340 | 25530074 |
| 488461 | Oct 14, 1999 | Oct 14, 1999 | Crimson Energy Company, LC | Erath | Parten, L. F. #2P | 3,680 | 14330714 |
| 487483 | Oct 13, 1999 | Oct 13, 1999 | Crimson Energy Company, LC | Erath | McInroe, Carol #2 | 4,300 | 14330622 |
| 487484 | Sep 23, 1999 | Sep 23, 1999 | Crimson Energy Company, LC | Erath | Shelby, D. A. #2P | 3,410 | 14330734 |
| 487485 | Sep 16, 1999 | Sep 16, 1999 | Crimson Energy Company, LC | Erath | Fulbright, W. C. #2 | 3,370 | 14300011 |
| 486600 | Aug 13, 1999 | Aug 13, 1999 | Crimson Energy Company, LC | Nueces | Flato, Franklin #2 | 2,400 | 35533164 |
| 486600Amendment | Aug 13, 1999 | Aug 13, 1999 | Crimson Energy Company, LC | Nueces | Flato, Franklin #2 | 2,650 | 35533164 |
| 485285 | Jun 17, 1999 | Jun 17, 1999 | Crimson Energy Company, LC | Karnes | Lewis #1 | 8,100 | 25531406 |
| 485285Amendment | Jun 17, 1999 | Jun 17, 1999 | Crimson Energy Company, LC | Karnes | Lewis #1 | 8,100 | 25531406 |
| 483998 | Apr 21, 1999 | Apr 21, 1999 | Crimson Energy Company, LC | Coleman | Crimson-McClure #1 | 2,700 | 08335582 |
| 483366 | Mar 22, 1999 | Mar 22, 1999 | Crimson Energy Company, LC | Young | Furr #1 | 5,200 | 50340935 |
| 481030 | Nov 20, 1998 | Nov 20, 1998 | Crimson Energy Company, LC | Coleman | Crimson-Stuart #1 | 2,700 | 08335575 |
| 480788 | Nov 19, 1998 | Nov 19, 1998 | Crimson Energy Company, LC | Coleman | Crimson-Kingsberry "E" #1 | 2,700 | 08335574 |
| 480746 | Nov 10, 1998 | Nov 10, 1998 | Crimson Energy Company, LC | Coleman | Crimson-Wheeler #1 | 2,700 | 08335573 |
| 480746Amendment | Nov 10, 1998 | Nov 10, 1998 | Crimson Energy Company, LC | Coleman | Crimson-Wheeler #1 | 2,803 | 08335573 |
| 413199Amendment | Jun 25, 1993 | Jun 25, 1993 | Crimson Energy Company, LC | Washington | Wolff #2HH | 12,900 | 47730714 |