| 505030 | Feb 27, 2001 | Feb 27, 2001 | Union Pacific Resources Company | Crockett | Mc Mullan P2 #7 | 9,500 | 10538379 |
| 503610 | Feb 14, 2001 | Feb 14, 2001 | Union Pacific Resources Company | Panola | Cgu 25 #13 | 11,000 | 36534595 |
| 501694 | Feb 14, 2001 | Feb 14, 2001 | Union Pacific Resources Company | Panola | Cgu 27 #12 | 11,000 | 36534561 |
| 503612 | Feb 13, 2001 | Feb 13, 2001 | Union Pacific Resources Company | Panola | Cgu 21 #13 | 11,000 | 36534597 |
| 503491 | Feb 12, 2001 | Feb 12, 2001 | Union Pacific Resources Company | Panola | Cgu 24 #16 | 11,000 | 36534592 |
| 503613 | Feb 7, 2001 | Feb 7, 2001 | Union Pacific Resources Company | Panola | Cgu 15 #15 | 11,000 | 36534596 |
| 504613 | Jan 26, 2001 | Jan 26, 2001 | Union Pacific Resources Company | Crockett | Hoover, Laura Estate '42D' #9 | 8,000 | 10538989 |
| 503490 | Jan 22, 2001 | Jan 22, 2001 | Union Pacific Resources Company | Panola | Cgu 22 #16 | 11,000 | 36534593 |
| 504184 | Jan 18, 2001 | Jan 18, 2001 | Union Pacific Resources Company | Crockett | Henderson '2' #3 | 9,500 | 10538520 |
| 504183 | Jan 18, 2001 | Jan 18, 2001 | Union Pacific Resources Company | Crockett | McMullan 'F1' #6 | 8,500 | 10538519 |
| 504181 | Jan 18, 2001 | Jan 18, 2001 | Union Pacific Resources Company | Crockett | Henderson '2' #4 | 9,500 | 10538522 |
| 503985 | Jan 12, 2001 | Jan 12, 2001 | Union Pacific Resources Company | Rusk | Holt, J. W. Estate Gas Unit #6 | 11,800 | 40133073 |
| 502798 | Jan 8, 2001 | Jan 8, 2001 | Union Pacific Resources Company | Panola | Cgu 6 #14 | 11,000 | 36534579 |
| 502797 | Jan 8, 2001 | Jan 8, 2001 | Union Pacific Resources Company | Panola | Cgu 22 #14 | 11,000 | 36534581 |
| 502797Amendment | Jan 8, 2001 | Jan 8, 2001 | Union Pacific Resources Company | Panola | Cgu 22 #14 | 11,000 | 36534581 |
| 502794 | Jan 8, 2001 | Jan 8, 2001 | Union Pacific Resources Company | Panola | Cgu 6 #15 | 11,000 | 36534580 |
| 503489 | Jan 2, 2001 | Jan 2, 2001 | Union Pacific Resources Company | Panola | Cgu 36 #3 | 9,533 | 36532916 |
| 502929 | Dec 28, 2000 | Dec 28, 2000 | Union Pacific Resources Company | Panola | Cgu 35 #4 | 9,450 | 36533673 |
| 503474 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Crockett | Moody #3039 | 7,600 | 10538504 |
| 503473 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Crockett | Hoover '44' #15 | 7,600 | 10538505 |
| 503472 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Crockett | Hutchins '43' #10 | 7,600 | 10538506 |
| 503471 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Crockett | Hutchins '43' #9 | 7,600 | 10538507 |
| 503470 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Crockett | Hutchins '43' #8 | 7,600 | 10538508 |
| 503469 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Crockett | Hutchins '43' #6 | 7,600 | 10538509 |
| 503469Amendment | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Crockett | Hutchins '43' #6 | 7,600 | 10538509 |
| 503468 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Crockett | Hutchins '43' #7 | 7,600 | 10538510 |
| 503415 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Rusk | Roman Gas Unit #3 | 10,934 | 40132129 |
| 502004 | Dec 27, 2000 | Dec 27, 2000 | Union Pacific Resources Company | Panola | Cgu 21 #14 | 11,000 | 36534566 |
| 502928 | Dec 19, 2000 | Dec 19, 2000 | Union Pacific Resources Company | Panola | Kyle, J. R. "A" #4 | 6,342 | 36531769 |
| 502414 | Dec 19, 2000 | Dec 19, 2000 | Union Pacific Resources Company | Panola | Cgu 10 #15 | 11,000 | 36534574 |
| 502799 | Dec 14, 2000 | Dec 14, 2000 | Union Pacific Resources Company | Panola | Cgu 10 #16 | 11,000 | 36534583 |
| 502795 | Dec 14, 2000 | Dec 14, 2000 | Union Pacific Resources Company | Panola | Cgu 11 #15 | 11,000 | 36534582 |
| 501363 | Dec 14, 2000 | Dec 14, 2000 | Union Pacific Resources Company | Crockett | W. C. Montgomery State #6 | 7,600 | 10538473 |
| 502222 | Dec 13, 2000 | Dec 13, 2000 | Union Pacific Resources Company | Panola | Cgu 6 #17 | 11,000 | 36534571 |
| 502003 | Dec 12, 2000 | Dec 12, 2000 | Union Pacific Resources Company | Panola | Cgu 10 #14 | 11,000 | 36534565 |
| 501590 | Dec 8, 2000 | Dec 8, 2000 | Union Pacific Resources Company | Panola | Cgu 28 #12 | 11,000 | 36534556 |
| 502202 | Dec 6, 2000 | Dec 6, 2000 | Union Pacific Resources Company | Panola | Cgu 23 #15 | 11,000 | 36534569 |
| 501230 | Dec 5, 2000 | Dec 5, 2000 | Union Pacific Resources Company | Panola | Cgu 26 #15 | 11,000 | 36534549 |
| 501592 | Nov 7, 2000 | Nov 7, 2000 | Union Pacific Resources Company | Rusk | Holt, J. W. Estate Gas Unit #5 | 11,800 | 40133050 |
| 501592Amendment | Nov 7, 2000 | Nov 7, 2000 | Union Pacific Resources Company | Rusk | Holt, J. W. Estate Gas Unit #5 | 11,800 | 40133050 |
| 501362 | Oct 30, 2000 | Oct 30, 2000 | Union Pacific Resources Company | Crockett | Montgomery, W. C. 'A' #6 | 7,600 | 10538474 |
| 501362Amendment | Oct 30, 2000 | Oct 30, 2000 | Union Pacific Resources Company | Crockett | Montgomery, W. C. 'A' #6 | 10,000 | 10538474 |
| 501361 | Oct 30, 2000 | Oct 30, 2000 | Union Pacific Resources Company | Crockett | W. C. Montgomery GU 'D' #11 | 7,600 | 10538475 |
| 501361Amendment | Oct 30, 2000 | Oct 30, 2000 | Union Pacific Resources Company | Crockett | W. C. Montgomery GU 'D' #11 | 10,500 | 10538475 |
| 501360 | Oct 30, 2000 | Oct 30, 2000 | Union Pacific Resources Company | Crockett | Montgomery, W. C. #53 | 7,600 | 10538476 |
| 501359 | Oct 30, 2000 | Oct 30, 2000 | Union Pacific Resources Company | Crockett | Union Pacific #78 | 7,600 | 10538477 |
| 501308 | Oct 27, 2000 | Oct 27, 2000 | Union Pacific Resources Company | Crockett | Montgomery, W. C. #51 | 9,500 | 10538472 |
| 501307 | Oct 27, 2000 | Oct 27, 2000 | Union Pacific Resources Company | Crockett | Montgomery, W. C. 'C' #5 | 7,600 | 10538470 |
| 501306 | Oct 27, 2000 | Oct 27, 2000 | Union Pacific Resources Company | Crockett | Montgomery, W. C. #52 | 7,600 | 10538471 |
| 501304 | Oct 27, 2000 | Oct 27, 2000 | Union Pacific Resources Company | Crockett | Union Pacific '7' #7 | 7,600 | 10538469 |
| 501238 | Oct 26, 2000 | Oct 26, 2000 | Union Pacific Resources Company | Crockett | Union Pacific #79 | 7,600 | 10538466 |
| 501238Amendment | Oct 26, 2000 | Oct 26, 2000 | Union Pacific Resources Company | Crockett | Union Pacific #79 | 10,500 | 10538466 |
| 501237 | Oct 26, 2000 | Oct 26, 2000 | Union Pacific Resources Company | Crockett | Union Pacific 'D' #17 | 7,600 | 10538467 |
| 501236 | Oct 26, 2000 | Oct 26, 2000 | Union Pacific Resources Company | Crockett | Union Pacific 'C' #37 | 7,600 | 10538468 |
| 500798 | Oct 16, 2000 | Oct 16, 2000 | Union Pacific Resources Company | Panola | Rogers Gas Unit #9 | 2,600 | 36534534 |
| 500051 | Oct 6, 2000 | Oct 6, 2000 | Union Pacific Resources Company | Crockett | Couch 10 #11 | 7,400 | 10538440 |
| 498961 | Oct 2, 2000 | Oct 2, 2000 | Union Pacific Resources Company | Rusk | Major Kennedy Estate Gas Unit #10 | 12,000 | 40133029 |
| 498973 | Sep 22, 2000 | Sep 22, 2000 | Union Pacific Resources Company | Crockett | Couch 30 #14 | 7,400 | 10538426 |
| 498971 | Sep 22, 2000 | Sep 22, 2000 | Union Pacific Resources Company | Crockett | Couch 30 #15 | 7,400 | 10538427 |
| 498859 | Sep 22, 2000 | Sep 22, 2000 | Union Pacific Resources Company | Crockett | Couch 30 #13 | 7,400 | 10538423 |
| 498858 | Sep 22, 2000 | Sep 22, 2000 | Union Pacific Resources Company | Crockett | Couch 10 #10 | 7,400 | 10538424 |
| 498858Amendment | Sep 22, 2000 | Sep 22, 2000 | Union Pacific Resources Company | Crockett | Couch 10 #10 | 9,600 | 10538424 |
| 498713 | Sep 20, 2000 | Sep 20, 2000 | Union Pacific Resources Company | Crockett | Couch 22 #11 | 7,400 | 10538417 |
| 498105 | Sep 20, 2000 | Sep 20, 2000 | Union Pacific Resources Company | Rusk | Buford & Blow Gas Unit 1 #9 | 10,400 | 40133023 |
| 498860 | Sep 6, 2000 | Sep 6, 2000 | Union Pacific Resources Company | Crockett | Couch 21 #14 | 7,400 | 10538422 |
| 498104 | Sep 6, 2000 | Sep 6, 2000 | Union Pacific Resources Company | Rusk | Buford & Blow Gas Unit 1 #10 | 10,400 | 40133022 |
| 498714 | Aug 31, 2000 | Aug 31, 2000 | Union Pacific Resources Company | Crockett | Couch 22 #10 | 7,400 | 10538418 |
| 497632 | Aug 31, 2000 | Aug 31, 2000 | Union Pacific Resources Company | Rusk | Major Kennedy Estate Gas Unit #11 | 12,000 | 40133015 |
| 497632Amendment | Aug 31, 2000 | Aug 31, 2000 | Union Pacific Resources Company | Rusk | Major Kennedy Estate Gas Unit #11 | 12,000 | 40133015 |
| 497631 | Aug 31, 2000 | Aug 31, 2000 | Union Pacific Resources Company | Panola | Fred Kyle Gas Unit #11 | 10,000 | 36534446 |
| 497680 | Aug 30, 2000 | Aug 30, 2000 | Union Pacific Resources Company | Rusk | Oak Hill Gas Unit 2 #3 | 10,400 | 40133016 |
| 497679 | Aug 30, 2000 | Aug 30, 2000 | Union Pacific Resources Company | Rusk | Major Kennedy Estate Gas Unit #9 | 12,000 | 40133017 |
| 498712 | Aug 29, 2000 | Aug 29, 2000 | Union Pacific Resources Company | Crockett | Couch 30 #16 | 7,300 | 10538416 |
| 498703 | Aug 29, 2000 | Aug 29, 2000 | Union Pacific Resources Company | Smith | Sevengill Unit #1 | 17,000 | 42331535 |
| 498539 | Aug 23, 2000 | Aug 23, 2000 | Union Pacific Resources Company | Crockett | Couch 21 #13 | 7,400 | 10538412 |
| 498538 | Aug 23, 2000 | Aug 23, 2000 | Union Pacific Resources Company | Crockett | Couch 21 #15 | 7,400 | 10538411 |
| 498474 | Aug 18, 2000 | Aug 18, 2000 | Union Pacific Resources Company | Crockett | Couch "E" 30 #17 | 7,300 | 10538410 |
| 498552 | Aug 17, 2000 | Aug 17, 2000 | Union Pacific Resources Company | Crockett | Couch 29 #11 | 7,300 | 10538413 |
| 497983 | Aug 10, 2000 | Aug 10, 2000 | Union Pacific Resources Company | Rusk | Sheppard, Bailey #16 | 11,500 | 40133020 |
| 497982 | Aug 10, 2000 | Aug 10, 2000 | Union Pacific Resources Company | Rusk | Sheppard, Bailey #17 | 11,500 | 40133021 |
| 497767 | Jul 29, 2000 | Jul 29, 2000 | Union Pacific Resources Company | Milam | Grey Reef Unit #1 | 16,500 | 33133522 |
| 497047 | Jul 12, 2000 | Jul 12, 2000 | Union Pacific Resources Company | Nacogdoches | Sandbar #1 | 15,000 | 34731674 |
| 497047Amendment | Jul 12, 2000 | Jul 12, 2000 | Union Pacific Resources Company | Nacogdoches | Sandbar #1 | 16,000 | 34731674 |
| 495851 | Jul 7, 2000 | Jul 7, 2000 | Union Pacific Resources Company | Panola | Cgu 16 #12 | 11,000 | 36534406 |
| 496237 | Jul 6, 2000 | Jul 6, 2000 | Union Pacific Resources Company | Crockett | McMullan 2 #10 | 9,500 | 10538383 |
| 496237Amendment | Jul 6, 2000 | Jul 6, 2000 | Union Pacific Resources Company | Crockett | McMullan 2 #10 | 9,500 | 10538383 |
| 495799 | Jul 6, 2000 | Jul 6, 2000 | Union Pacific Resources Company | Gregg | Buford #4 | 11,000 | 18331410 |
| 495878 | Jul 5, 2000 | Jul 5, 2000 | Union Pacific Resources Company | Panola | Cgu 27 #9C | 9,917 | 36532974 |
| 496527 | Jun 27, 2000 | Jun 27, 2000 | Union Pacific Resources Company | Rusk | Price Oil Unit #4 | 10,930 | 40132190 |
| 496477 | Jun 27, 2000 | Jun 27, 2000 | Union Pacific Resources Company | Rusk | Price Oil Unit #5 | 7,617 | 40132271 |
| 496343 | Jun 22, 2000 | Jun 22, 2000 | Union Pacific Resources Company | Panola | A. W. Harrison Oil Unit #1008C | 9,660 | 36532689 |
| 495948 | Jun 20, 2000 | Jun 20, 2000 | Union Pacific Resources Company | Crockett | McMullan P-2 #8 | 9,500 | 10538381 |
| 495947 | Jun 20, 2000 | Jun 20, 2000 | Union Pacific Resources Company | Crockett | McMullan P-2 #4 | 8,600 | 10538380 |
| 495946 | Jun 20, 2000 | Jun 20, 2000 | Union Pacific Resources Company | Crockett | McMullan P-2 #5 | 8,600 | 10538377 |
| 495945 | Jun 20, 2000 | Jun 20, 2000 | Union Pacific Resources Company | Crockett | McMullan P-2 #7 | 9,500 | 10538379 |
| 495944 | Jun 20, 2000 | Jun 20, 2000 | Union Pacific Resources Company | Crockett | McMullan P-2 #6 | 8,600 | 10538378 |
| 496238 | Jun 16, 2000 | Jun 16, 2000 | Union Pacific Resources Company | Crockett | McMullan 6 #3 | 8,650 | 10536540 |
| 496055 | Jun 16, 2000 | Jun 16, 2000 | Union Pacific Resources Company | Rusk | Herman High #1 | 8,201 | 40130365 |
| 494893 | Jun 5, 2000 | Jun 5, 2000 | Union Pacific Resources Company | Crockett | McMullan '2' #9 | 9,500 | 10538368 |
| 495666 | May 31, 2000 | May 31, 2000 | Union Pacific Resources Company | Milam | Tiger Unit #1 | 15,600 | 33133521 |