| 468842 | Oct 15, 1997 | Oct 15, 1997 | Union Pacific Resources Company | Jordan Unit A-321 #1H | 12,500 | 24130645 |
| 468314 | Oct 2, 1997 | Oct 2, 1997 | Union Pacific Resources Company | Pearl #1H | 12,500 | 24130644 |
| 467787 | Sep 19, 1997 | Sep 19, 1997 | Camm Operating & Leasing, Inc. | Wheery, C. Successors #1 | 7,000 | 24130643 |
| 467717 | Sep 18, 1997 | Sep 18, 1997 | Aviara Energy Corporation | Vastar Fee #1 | 11,600 | 24130642 |
| 465424 | Jul 24, 1997 | Jul 24, 1997 | Anderson Producing, Inc | Ramona-Henderson #4A | 4,000 | 24130641 |
| 464777 | Jul 11, 1997 | Jul 11, 1997 | Union Pacific Resources Company | Arco Fee Upr Unit A-19 #1H | 12,130 | 24130640 |
| 464425 | Jun 30, 1997 | Jun 30, 1997 | Bargo Energy Company | Mixson #1 | 11,494 | 24130604 |
| 463490 | Jun 9, 1997 | Jun 9, 1997 | Union Pacific Resources Company | Black Stone Minerals A-15 #1H | 11,000 | 24130639 |
| 461475 | Apr 22, 1997 | Apr 22, 1997 | Union Pacific Resources Company | Martindale-McGraw Unit A-33 #1H | 12,100 | 24130637 |
| 460095 | Mar 19, 1997 | Mar 19, 1997 | Union Pacific Resources Company | Arco Fee Unit A-989 #1H | 11,750 | 24130636 |
| 460095Amendment | Mar 19, 1997 | Mar 19, 1997 | Union Pacific Resources Company | Arco Fee Unit A-989 #1H | 11,750 | 24130636 |
| 459205 | Feb 26, 1997 | Feb 26, 1997 | Union Pacific Resources Company | Fisher Unit A-522 #1H | 11,750 | 24130635 |
| 459205Amendment | Feb 26, 1997 | Feb 26, 1997 | Union Pacific Resources Company | Fisher Unit A-522 #1H | 11,750 | 24130635 |
| 459205Amendment | Feb 26, 1997 | Feb 26, 1997 | Union Pacific Resources Company | Fisher Unit A-522 #1H | 11,800 | 24130635 |
| 457310 | Feb 14, 1997 | Feb 14, 1997 | Pax Energy Ltd | S&M Energy - Arco Fee #1H | 9,800 | 24130510 |
| 458525 | Feb 13, 1997 | Feb 13, 1997 | Union Pacific Resources Company | Temple-Inland Forest Unit A-41 #1H | 11,850 | 24130634 |
| 458525Amendment | Feb 13, 1997 | Feb 13, 1997 | Union Pacific Resources Company | Temple-Inland Forest Unit A-41 #1H | 11,850 | 24130634 |
| 456417 | Dec 17, 1996 | Dec 17, 1996 | Union Pacific Resources Company | Arco Fee Unit A-15 #1H | 12,150 | 24130633 |
| 456417Amendment | Dec 17, 1996 | Dec 17, 1996 | Union Pacific Resources Company | Arco Fee Unit A-15 #1H | 12,300 | 24130633 |
| 454048 | Dec 5, 1996 | Dec 5, 1996 | Tana Oil and Gas Corporation | Rayburn Unit #15 #15H | 10,200 | 24130628 |
| 455897 | Dec 4, 1996 | Dec 4, 1996 | Anderson Producing, Inc | Henderson, Ramona #3A | 4,100 | 24130632 |
| 455109 | Nov 15, 1996 | Nov 15, 1996 | Union Pacific Resources Company | Arco Fee Unit A-240 #1H | 11,300 | 24130631 |
| 455109Amendment | Nov 15, 1996 | Nov 15, 1996 | Union Pacific Resources Company | Arco Fee Unit A-240 #1H | 12,000 | 24130631 |
| 455019 | Nov 15, 1996 | Nov 15, 1996 | Tana Oil and Gas Corporation | Rayburn Unit #4 #4H | 10,000 | 24130630 |
| 454677 | Nov 4, 1996 | Nov 4, 1996 | Union Pacific Resources Company | Arco Fee Unit A-214 #1H | 11,500 | 24130629 |
| 454677Amendment | Nov 4, 1996 | Nov 4, 1996 | Union Pacific Resources Company | Arco Fee Unit A-214 #1H | 11,920 | 24130629 |
| 453955 | Oct 16, 1996 | Oct 16, 1996 | Union Pacific Resources Company | Arco Fee Unit A-232 #1H | 11,500 | 24130627 |
| 453955Amendment | Oct 16, 1996 | Oct 16, 1996 | Union Pacific Resources Company | Arco Fee Unit A-232 #1H | 12,012 | 24130627 |
| 452999 | Sep 26, 1996 | Sep 26, 1996 | Hanson Production Company | Arco-Hughes #3 | 7,900 | 24130435 |
| 452057 | Aug 29, 1996 | Aug 29, 1996 | Union Pacific Resources Company | Arco Fee A-259 #2H | 11,500 | 24130626 |
| 451881 | Aug 27, 1996 | Aug 27, 1996 | Union Pacific Resources Company | Black Stone Minerals A-342 #1H | 11,000 | 24130625 |
| 451881Amendment | Aug 27, 1996 | Aug 27, 1996 | Union Pacific Resources Company | Black Stone Minerals A-342 #1H | 11,700 | 24130625 |
| 450390 | Jul 17, 1996 | Jul 17, 1996 | Union Pacific Resources Company | Arco Fee Unit a-920 "A" #1H | 10,800 | 24130624 |
| 447365 | Apr 24, 1996 | Apr 24, 1996 | Union Pacific Resources Company | Arco Fee Unit A-253 #1H | 12,000 | 24130623 |
| 447365Amendment | Apr 24, 1996 | Apr 24, 1996 | Union Pacific Resources Company | Arco Fee Unit A-253 #1H | 12,000 | 24130623 |
| 444637 | Apr 15, 1996 | Apr 15, 1996 | Tana Oil and Gas Corporation | #1 Rayburn Unit "A" #1H | 9,700 | 24130621 |
| 444127 | Mar 19, 1996 | Mar 19, 1996 | Nuevo Energy Company | Matthews Estate Unit #1HH | 16,000 | 24130619 |
| 445065 | Feb 29, 1996 | Feb 29, 1996 | Union Pacific Resources Company | Arco Fee Unit A-216 #1H | 12,400 | 24130622 |
| 445065Amendment | Feb 29, 1996 | Feb 29, 1996 | Union Pacific Resources Company | Arco Fee Unit A-216 #1H | 11,324 | 24130622 |
| 445065Amendment | Feb 29, 1996 | Feb 29, 1996 | Union Pacific Resources Company | Arco Fee Unit A-216 #1H | 12,773 | 24130622 |
| 444485 | Feb 15, 1996 | Feb 15, 1996 | Tana Oil and Gas Corporation | Rayburn Unit #11 #11 | 9,800 | 24130620 |
| 444485Amendment | Feb 15, 1996 | Feb 15, 1996 | Tana Oil and Gas Corporation | Rayburn Unit #11 #11H | 9,800 | 24130620 |
| 443800 | Jan 23, 1996 | Jan 23, 1996 | Union Pacific Resources Company | Arco Fee Unit A-580 #1H | 12,570 | 24130618 |
| 441411 | Nov 1, 1995 | Nov 1, 1995 | Royal Production Company, Inc. | Taylor, Vastar #1 | 6,700 | 24130616 |
| 440762 | Oct 17, 1995 | Oct 17, 1995 | Union Pacific Resources Company | Arco Fee Unit A-222 #1H | 12,850 | 24130615 |
| 439928 | Sep 15, 1995 | Sep 15, 1995 | Torch Operating Company | Armstrong, Cora #1HH | 16,000 | 24130614 |
| 439928Amendment | Sep 15, 1995 | Sep 15, 1995 | Torch Operating Company | Armstrong, Cora #1HH | 14,345 | 24130614 |
| 437580 | Jul 6, 1995 | Jul 6, 1995 | Union Pacific Resources Company | Arco Fee Unit A-250 #1H | 11,500 | 24130613 |
| 437442 | Jun 30, 1995 | Jun 30, 1995 | Torch Operating Company | Arco Fee A-360 #1HH | 16,000 | 24130612 |
| 437442Amendment | Jun 30, 1995 | Jun 30, 1995 | Torch Operating Company | Arco Fee A-360 #1HH | 16,605 | 24130612 |
| 437233 | Jun 23, 1995 | Jun 23, 1995 | Torch Operating Company | Springer, B. K. #1HH | 16,000 | 24130611 |
| 437233Amendment | Jun 23, 1995 | Jun 23, 1995 | Torch Operating Company | Springer, B. K. #1HH | 16,960 | 24130611 |
| 436568 | Jun 6, 1995 | Jun 6, 1995 | Anderson Producing, Inc | Richardson, Hardy #5 | 7,250 | 24100173 |
| 436023 | May 26, 1995 | May 26, 1995 | Tana Oil and Gas Corporation | Rayburn Oil Unit #8 #8H | 10,000 | 24130610 |
| 434319 | May 24, 1995 | May 24, 1995 | Tana Oil and Gas Corporation | Rayburn Oil Unit #6 #6H | 9,800 | 24130607 |
| 435515 | May 8, 1995 | May 8, 1995 | Tana Oil and Gas Corporation | George W. Brown Unit #2 #2H | 10,600 | 24130609 |
| 435215 | Apr 25, 1995 | Apr 25, 1995 | Torch Operating Company | Arco Fee A-37 #1HH | 16,000 | 24130608 |
| 433951 | Mar 27, 1995 | Mar 27, 1995 | Union Pacific Resources Company | Arco Fee A-910 #1H | 12,400 | 24130606 |
| 433871 | Mar 23, 1995 | Mar 23, 1995 | Union Pacific Resources Company | Arco Fee Unit A-924 #1H | 12,000 | 24130605 |
| 433871Amendment | Mar 23, 1995 | Mar 23, 1995 | Union Pacific Resources Company | Arco Fee Unit A-924 #1H | 12,000 | 24130605 |
| 433780 | Mar 14, 1995 | Mar 14, 1995 | Zinn Petroleum Co. | Mixson #1 | 11,700 | 24130604 |
| 433417 | Mar 10, 1995 | Mar 10, 1995 | Tana Oil and Gas Corporation | Rayburn Oil Unit #2 #2H | 10,200 | 24130603 |
| 433416 | Mar 10, 1995 | Mar 10, 1995 | Tana Oil and Gas Corporation | Taylor, Henry #1H | 9,800 | 24130602 |
| 433416Amendment | Mar 10, 1995 | Mar 10, 1995 | Tana Oil and Gas Corporation | Taylor, Henry #1H | 9,800 | 24130602 |
| 433341 | Mar 6, 1995 | Mar 6, 1995 | Union Pacific Resources Company | Arco Fee Unit A-252 #1H | 11,900 | 24130601 |
| 433341Amendment | Mar 6, 1995 | Mar 6, 1995 | Union Pacific Resources Company | Arco Fee Unit A-252 #1H | 11,900 | 24130601 |
| 429312 | Mar 1, 1995 | Mar 1, 1995 | Tana Oil and Gas Corporation | Blackstone Oil Unit #1H | 13,500 | 24130589 |
| 433027 | Feb 17, 1995 | Feb 17, 1995 | Union Pacific Resources Company | Arco Fee Unit A-312 #1H | 11,500 | 24130600 |
| 433030 | Feb 16, 1995 | Feb 16, 1995 | Torch Operating Company | Temple-Inland, et al A-41 #1HH | 12,000 | 24130599 |
| 430903 | Jan 26, 1995 | Jan 26, 1995 | Union Pacific Resources Company | Temple-Inland a-552 Unit #1H | 16,000 | 24130595 |
| 430903Amendment | Jan 26, 1995 | Jan 26, 1995 | Union Pacific Resources Company | Temple-Inland a-552 Unit #1H | 16,000 | 24130595 |
| 432044 | Jan 20, 1995 | Jan 20, 1995 | Union Pacific Resources Company | Arco Fee A-254 #1H | 10,060 | 24130569 |
| 431650 | Jan 13, 1995 | Jan 13, 1995 | Conoco Inc. | Bunker Hill #1 | 15,500 | 24130598 |
| 431148 | Dec 20, 1994 | Dec 20, 1994 | Union Pacific Resources Company | Black Stone Minerals a-982 Unit #1H | 18,000 | 24130597 |
| 431148Amendment | Dec 20, 1994 | Dec 20, 1994 | Union Pacific Resources Company | Black Stone Minerals a-982 Unit #1H | 18,000 | 24130597 |
| 431001 | Dec 14, 1994 | Dec 14, 1994 | Noble Exploration, Inc. | Arco Lease #7 | 11,100 | 24130596 |
| 430527 | Dec 2, 1994 | Dec 2, 1994 | Tana Oil and Gas Corporation | Rayburn #1H | 10,500 | 24130594 |
| 430336 | Nov 23, 1994 | Nov 23, 1994 | Noble Exploration, Inc. | Arco #6 | 11,000 | 24130593 |
| 430136 | Nov 22, 1994 | Nov 22, 1994 | Tana Oil and Gas Corporation | Rayburn #3H | 10,500 | 24130592 |
| 429388 | Oct 25, 1994 | Oct 25, 1994 | Union Pacific Resources Company | Arco-Fee A-215 #1H | 18,000 | 24130591 |
| 429388Amendment | Oct 25, 1994 | Oct 25, 1994 | Union Pacific Resources Company | Arco-Fee A-215 #1H | 18,000 | 24130591 |
| 429387 | Oct 25, 1994 | Oct 25, 1994 | Union Pacific Resources Company | Arco-Fee a-990 Unit #1H | 18,000 | 24130590 |
| 429109 | Oct 19, 1994 | Oct 19, 1994 | Torch Operating Company | Arco Fee 2-249 #2 HH | 15,000 | 24130588 |
| 429109Amendment | Oct 19, 1994 | Oct 19, 1994 | Torch Operating Company | Arco Fee 2-249 #2 HH | 13,532 | 24130588 |
| 429107 | Oct 14, 1994 | Oct 14, 1994 | Torch Operating Company | M.T. Elmore et al a-41 Unit #1HH | 15,000 | 24130587 |
| 429107Amendment | Oct 14, 1994 | Oct 14, 1994 | Torch Operating Company | M.T. Tonahill et al a-41 Unit #1HH | 15,500 | 24130587 |
| 428102 | Sep 22, 1994 | Sep 22, 1994 | Torch Operating Company | Temple-Industries #4 HH | 11,500 | 24130586 |
| 428102Amendment | Sep 22, 1994 | Sep 22, 1994 | Torch Operating Company | Temple-Industries 4-H #4 HH | 13,000 | 24130586 |
| 428102Amendment | Sep 22, 1994 | Sep 22, 1994 | Torch Operating Company | Temple-Industries 4-H #4 HH | 13,000 | 24130586 |
| 427820 | Sep 7, 1994 | Sep 7, 1994 | Torch Operating Company | Arco Fee #1249H | 15,000 | 24130585 |
| 426753 | Sep 7, 1994 | Sep 7, 1994 | Union Pacific Resources Company | Donner - Brown a-1005 Unit #1H | 16,000 | 24130577 |
| 426753Amendment | Sep 7, 1994 | Sep 7, 1994 | Union Pacific Resources Company | Donner-Brown Unit A-1005 #1H | 16,000 | 24130577 |
| 427671 | Sep 2, 1994 | Sep 2, 1994 | Union Pacific Resources Company | Arco/Black Stone a-233 Unit #1H | 18,000 | 24130584 |
| 427671Amendment | Sep 2, 1994 | Sep 2, 1994 | Union Pacific Resources Company | Arco/Black Stone a-233 Unit #1H | 18,000 | 24130584 |
| 427380 | Aug 29, 1994 | Aug 29, 1994 | Lake Ronel Oil Company | Pin Oak "A" #1 | 4,100 | 24130583 |
| 427317 | Aug 24, 1994 | Aug 24, 1994 | Union Pacific Resources Company | Arco - Fee a-1001 Unit #1H | 17,000 | 24130582 |
| 427317Amendment | Aug 24, 1994 | Aug 24, 1994 | Union Pacific Resources Company | Arco Fee A-1001 #1H | 17,000 | 24130582 |
| 427309 | Aug 23, 1994 | Aug 23, 1994 | McGowen Resources Co., Inc. | Atlantic Castillo #1S | 3,500 | 24130581 |
| 427309Amendment | Aug 23, 1994 | Aug 23, 1994 | McGowen Resources Co., Inc. | Atlantic Castello #1 | 3,500 | 24130581 |
| 427192 | Aug 19, 1994 | Aug 19, 1994 | Union Pacific Resources Company | Arco Fee A-246 #1H | 16,000 | 24130580 |