| 487099 | Aug 31, 1999 | Aug 31, 1999 | Cross Timbers Operating Company | Ogu (Spradlin, G. T. -4) #183 | 10,000 | 21330728 |
| 486483 | Aug 9, 1999 | Aug 9, 1999 | Cross Timbers Operating Company | Ogu (Hamill, Sallie -1) #75 | 11,054 | 21330408 |
| 486481 | Aug 9, 1999 | Aug 9, 1999 | Cross Timbers Operating Company | Ogu (Hatton, J. F. -2) #194 | 10,200 | 21330772 |
| 486027 | Jul 23, 1999 | Jul 23, 1999 | Ellis Exploration, Inc. | Payne #1 | 9,200 | 21330793 |
| 485738 | Jul 9, 1999 | Jul 9, 1999 | Genecov Group, Inc. The | Cade, Nettie Merl #1 | 10,000 | 21330792 |
| 484420 | May 11, 1999 | May 11, 1999 | Cross Timbers Operating Company | Ogu (Saylors, M. -a- -10) #180 | 10,000 | 21330725 |
| 483966 | Apr 22, 1999 | Apr 22, 1999 | Cross Timbers Operating Company | Ogu (Corley, C. W. B-3) #96 | 10,610 | 21330473 |
| 482924 | Feb 25, 1999 | Feb 25, 1999 | Cross Timbers Operating Company | Ogu (Saylors, M. A-7) #141 | 10,150 | 21330601 |
| 482598 | Feb 9, 1999 | Feb 9, 1999 | Barrow-Shaver Resources Co. | Dennis, Wayne #1 | 9,000 | 21330791 |
| 481944 | Jan 11, 1999 | Jan 11, 1999 | Cross Timbers Operating Company | Ogu (Saylors, M. A-4) #77 | 10,203 | 21330435 |
| 481522 | Dec 14, 1998 | Dec 14, 1998 | Sonat Exploration Company -Tyler | Parker, Sarah #1 | 11,200 | 21330790 |
| 481087 | Nov 30, 1998 | Nov 30, 1998 | Stroud Petroleum, Inc. | Enserch Processing, Inc. #1 | 10,725 | 21330789 |
| 480671 | Nov 6, 1998 | Nov 6, 1998 | Cross Timbers Operating Company | Ogu (Lewis, J. H. -B- -7) #185 | 10,100 | 21330729 |
| 480597 | Nov 5, 1998 | Nov 5, 1998 | Cross Timbers Operating Company | Ogu (Asher, W. D. -2) #115 | 10,074 | 21330554 |
| 480479 | Oct 28, 1998 | Oct 28, 1998 | Cross Timbers Operating Company | Ogu (Huff, C. C. -4) #119 | 12,050 | 21330575 |
| 480309 | Oct 21, 1998 | Oct 21, 1998 | Cross Timbers Operating Company | Ogu (Hamill, S. -2) #173 | 10,000 | 21330717 |
| 480187 | Oct 16, 1998 | Oct 16, 1998 | Cross Timbers Operating Company | Ogu (Tullos, J. W. -B- -6) #184 | 10,000 | 21330730 |
| 480090 | Oct 13, 1998 | Oct 13, 1998 | Cross Timbers Operating Company | Ogu (Corley, C. W. -B- -7) #181 | 10,000 | 21330726 |
| 479670 | Oct 6, 1998 | Oct 6, 1998 | Cross Timbers Operating Company | Ogu (Saylors, M. A-8) #163 | 9,900 | 21330681 |
| 478111 | Jul 21, 1998 | Jul 21, 1998 | Stroud Petroleum, Inc. | Corley #1 | 10,675 | 21330788 |
| 478111Amendment | Jul 21, 1998 | Jul 21, 1998 | Stroud Petroleum, Inc. | Corley #1 | 10,686 | 21330788 |
| 476208 | May 12, 1998 | May 12, 1998 | Dallas Production, Inc. | Corfu #1 | 13,000 | 21330787 |
| 474440 | Mar 17, 1998 | Mar 17, 1998 | Sonat Exploration Company -Tyler | Parmer #1 | 18,500 | 21330786 |
| 471973 | Jan 8, 1998 | Jan 8, 1998 | Arrow Exploration Company | Dearman Unit "C" #1H | 8,000 | 21330282 |
| 471973Amendment | Jan 8, 1998 | Jan 8, 1998 | Arrow Exploration Company | Dearman Unit "C" #1H | 8,500 | 21330282 |
| 470678 | Dec 10, 1997 | Dec 10, 1997 | Stroud Petroleum, Inc. | Martin, J. H. #1 | 12,100 | 21330785 |
| 470678Amendment | Dec 10, 1997 | Dec 10, 1997 | Stroud Petroleum, Inc. | Martin, J. H. #1 | 12,037 | 21330785 |
| 470734 | Dec 2, 1997 | Dec 2, 1997 | Arrow Exploration Company | Dearman "B" Unit #1H | 6,500 | 21330234 |
| 470734Amendment | Dec 2, 1997 | Dec 2, 1997 | Arrow Exploration Company | Dearman "B" Unit #1H | 8,500 | 21330234 |
| 469847 | Nov 7, 1997 | Nov 7, 1997 | Hunt Oil Company | Clark, Vera #1 | 11,500 | 21330784 |
| 469847Amendment | Nov 7, 1997 | Nov 7, 1997 | Hunt Oil Company | Clark, Vera #1 | 11,500 | 21330784 |
| 469152 | Oct 23, 1997 | Oct 23, 1997 | Crow, David | Easter Seal #1 | 8,500 | 21330783 |
| 468412 | Oct 3, 1997 | Oct 3, 1997 | Enserch Exploration, Inc | Ogu (Tullos, J. W. -2B) ST1 #37 | 11,800 | 21300292 |
| 467923 | Sep 29, 1997 | Sep 29, 1997 | J-O'B Operating Company | Sharp, J. #1 | 11,100 | 21330782 |
| 467923Amendment | Sep 29, 1997 | Sep 29, 1997 | J-O'B Operating Company | Sharp, J. #1 | 11,100 | 21330782 |
| 466252 | Aug 18, 1997 | Aug 18, 1997 | Key Production Company, Inc. | Mayes, Jerry C. #1 | 11,000 | 21330780 |
| 466297 | Aug 15, 1997 | Aug 15, 1997 | Enserch Exploration, Inc | Ogu (Spradlin, G.T. -)ST1 #36 | 11,500 | 21300230 |
| 465766 | Aug 1, 1997 | Aug 1, 1997 | Hinge Resource Company | Mays-White #1 | 7,600 | 21330781 |
| 464902 | Jul 15, 1997 | Jul 15, 1997 | Enserch Exploration, Inc | Ogu (Magers, T. M. -2ST1) #48 | 10,450 | 21330330 |
| 463732 | Jun 27, 1997 | Jun 27, 1997 | Enserch Exploration, Inc | Ogu (Magers, T. M. -6) #108 | 8,700 | 21330545 |
| 463560 | Jun 17, 1997 | Jun 17, 1997 | Bay-Tech Operating Co., Inc. | Frazier #1 | 12,000 | 21330779 |
| 463342 | Jun 17, 1997 | Jun 17, 1997 | Enserch Exploration, Inc | Ogu (Mc&suggett -21) #160 | 8,700 | 21330661 |
| 463145 | Jun 11, 1997 | Jun 11, 1997 | Hunt Oil Company | Fairway (James Lime) Unit #7422 | 10,500 | 21330777 |
| 463365 | Jun 6, 1997 | Jun 6, 1997 | American Cometra, Inc. | Johnston Unit #1 | 14,000 | 21330778 |
| 462080 | May 14, 1997 | May 14, 1997 | Enserch Exploration, Inc | Ogu (Harvard, J. M. -6) #152 | 12,055 | 21330639 |
| 461225 | Apr 16, 1997 | Apr 16, 1997 | Enserch Exploration, Inc | Ogu (Howell, W. Y. -6) #195 | 11,600 | 21330776 |
| 460865 | Apr 8, 1997 | Apr 8, 1997 | Sonat Exploration Company -Tyler | Ryon #1 | 15,000 | 21330775 |
| 458848 | Mar 10, 1997 | Mar 10, 1997 | Lone Star Pipeline Company | Tri-Cities Storage (Rodessa) #26B | 7,610 | 21300694 |
| 458847 | Mar 10, 1997 | Mar 10, 1997 | Lone Star Pipeline Company | Tri-Cities Storage - Bacon #25B | 7,620 | 21300671 |
| 457460 | Jan 16, 1997 | Jan 16, 1997 | Enserch Exploration, Inc | Ogu (Lewis, J. H. A-9) #193 | 11,700 | 21330774 |
| 456712 | Jan 2, 1997 | Jan 2, 1997 | Petrocorp Incorporated,a Tx.corp | Jensen #1 | 5,100 | 21330773 |
| 456225 | Dec 12, 1996 | Dec 12, 1996 | Enserch Exploration, Inc | Ogu #194 | 10,300 | 21330772 |
| 455592 | Dec 5, 1996 | Dec 5, 1996 | Enserch Exploration, Inc | EP/Hinton #3 | 10,600 | 21330759 |
| 454998 | Nov 19, 1996 | Nov 19, 1996 | Hunt Oil Company | Fairway (James Lime) Unit #7442 | 10,500 | 21330771 |
| 454111 | Oct 24, 1996 | Oct 24, 1996 | Petrocorp Incorporated,a Tx.corp | Weathers #1 | 5,100 | 21330770 |
| 453606 | Oct 9, 1996 | Oct 9, 1996 | Rippy Oil Company | Bearden, Minnie #1 | 11,000 | 21330769 |
| 450575 | Sep 5, 1996 | Sep 5, 1996 | Medallion Production Company | Manoy #1 | 10,600 | 21330766 |
| 450575Amendment | Sep 5, 1996 | Sep 5, 1996 | KCS Medallion Resources, Inc. | Manoy #1 | 10,600 | 21330766 |
| 451390 | Aug 19, 1996 | Aug 19, 1996 | Hunt Oil Company | Fairway (James Lime) Unit #6453 | 10,500 | 21330767 |
| 451389 | Aug 19, 1996 | Aug 19, 1996 | Hunt Oil Company | Fairway (James Lime) Unit #7452 | 10,500 | 21330768 |
| 449481 | Jun 19, 1996 | Jun 19, 1996 | Enserch Exploration, Inc | TCGU10 (Bishop, W. R. - 2) #7 | 9,500 | 21330765 |
| 448428 | Jun 19, 1996 | Jun 19, 1996 | Enserch Exploration, Inc | Ogu (Ingram, M. W.-2) #71 | 10,192 | 21330351 |
| 446831 | Apr 10, 1996 | Apr 10, 1996 | Marathon Oil Company | Lewis "A" #2 | 12,200 | 21330764 |
| 446818 | Apr 10, 1996 | Apr 10, 1996 | Smith, James E. & Associates,inc | Cedar Creek Unit 2 #1 | 11,300 | 21330763 |
| 446818Amendment | Apr 10, 1996 | Apr 10, 1996 | Spartan Operating Company, Inc. | Cedar Creek Unit 2 #1 | 11,300 | 21330763 |
| 446695 | Apr 8, 1996 | Apr 8, 1996 | Smith, James E. & Associates,inc | Cedar Creek Unit 1 #1 | 11,300 | 21330762 |
| 446695Amendment | Apr 8, 1996 | Apr 8, 1996 | Spartan Operating Company, Inc. | Cedar Creek Unit 1 #1 | 11,300 | 21330762 |
| 445879 | Mar 18, 1996 | Mar 18, 1996 | Enserch Exploration, Inc | Ogu(ingram, M. W. -5) #136 | 8,800 | 21330589 |
| 443541 | Jan 18, 1996 | Jan 18, 1996 | Langham Petroleum Expl. Corp. | Day Estate #1 | 10,300 | 21330251 |
| 443547 | Jan 11, 1996 | Jan 11, 1996 | J-O'B Operating Company | Reese, J. G. #1 | 9,800 | 21330761 |
| 440971 | Oct 17, 1995 | Oct 17, 1995 | Enserch Exploration, Inc | EP/Hinton #3 | 10,700 | 21330759 |
| 439362 | Sep 18, 1995 | Sep 18, 1995 | Enserch Exploration, Inc | Ogu(pope, F.S. -2) #55 | 8,852 | 21330389 |
| 437293 | Jun 26, 1995 | Jun 26, 1995 | Moon Operating, Inc. | Drennan, Dorothy #1 | 7,000 | 21330758 |
| 436355 | Jun 2, 1995 | Jun 2, 1995 | Hunt Oil Company | Fairway (James Lime) Unit #7482 | 10,500 | 21330756 |
| 436354 | Jun 2, 1995 | Jun 2, 1995 | Hunt Oil Company | Fairway (James Lime) Unit #5484 | 10,500 | 21330757 |
| 435606 | May 17, 1995 | May 17, 1995 | Hunt Oil Company | Fairway (James Lime) Unit #4473 | 10,500 | 21330754 |
| 435605 | May 17, 1995 | May 17, 1995 | Hunt Oil Company | Fairway (James Lime) Unit #5497 | 10,500 | 21330755 |
| 433701 | Mar 10, 1995 | Mar 10, 1995 | Ridley Oil Corporation | Shell-Dillard #2 | 5,200 | 21330753 |
| 433073 | Feb 23, 1995 | Feb 23, 1995 | Hunt Oil Company | Fairway (James Lime) Unit #640 | 10,190 | 21300515 |
| 432376 | Feb 1, 1995 | Feb 1, 1995 | EP Operating Limited Partnership | Ogu (Howell, W.Y. -3) #117 | 11,925 | 21330574 |
| 429350 | Nov 30, 1994 | Nov 30, 1994 | J-Car Operating, Inc. | Bauguss #1A | 6,000 | 21330752 |
| 427270 | Aug 26, 1994 | Aug 26, 1994 | Munson, David M. Inc. | O.A. Phillips Unit #2 | 8,990 | 21330751 |
| 425798 | Jul 13, 1994 | Jul 13, 1994 | Phoenix Fund, Inc. | Adron Neill #1 | 10,000 | 21330750 |
| 424804 | Jun 16, 1994 | Jun 16, 1994 | Phoenix Fund, Inc. | Slaton, D. W. #1 | 10,000 | 21330749 |
| 423405 | May 5, 1994 | May 5, 1994 | EP Operating Limited Partnership | Ogu (Asher, W.D. -1) #87 | 8,950 | 21330037 |
| 423280 | Apr 29, 1994 | Apr 29, 1994 | EP Operating Limited Partnership | Lewis, J.H. -B- #6 | 10,000 | 21330727 |
| 423098 | Apr 20, 1994 | Apr 20, 1994 | Samedan Oil Corporation | Buford #1 | 9,200 | 21330748 |
| 421495 | Mar 2, 1994 | Mar 2, 1994 | Hunt Oil Company | Fairway (James Lime) Unit #7472 | 10,500 | 21330742 |
| 421494 | Mar 2, 1994 | Mar 2, 1994 | Hunt Oil Company | Fairway (James Lime) Unit #6445 | 10,500 | 21330743 |
| 421493 | Mar 2, 1994 | Mar 2, 1994 | Hunt Oil Company | Fairway (James Lime) Unit #6433 | 10,500 | 21330744 |
| 421492 | Mar 2, 1994 | Mar 2, 1994 | Hunt Oil Company | Fairway (James Lime) Unit #5496 | 10,500 | 21330745 |
| 421491 | Mar 2, 1994 | Mar 2, 1994 | Hunt Oil Company | Fairway (James Lime) Unit #4494 | 10,500 | 21330746 |
| 421490 | Mar 2, 1994 | Mar 2, 1994 | Hunt Oil Company | Fairway (James Lime) Unit #4472 | 10,500 | 21330747 |
| 420899 | Feb 9, 1994 | Feb 9, 1994 | Lone Star Gas Co. | Tri-Cities Storage (Rodessa) #16R | 7,801 | 21300695 |
| 420898 | Feb 9, 1994 | Feb 9, 1994 | Lone Star Gas Co. | Tri-Cities Storage (Rodessa) #8R | 7,801 | 21300637 |
| 420896 | Feb 9, 1994 | Feb 9, 1994 | Lone Star Gas Co. | Tri-Cities Storage (Rodessa) #15R | 7,810 | 21300669 |
| 420939 | Feb 7, 1994 | Feb 7, 1994 | Ultra Petroleum (U.S.A.), Inc. | White Estate #1 | 11,250 | 21330741 |
| 420939Amendment | Feb 7, 1994 | Feb 7, 1994 | Ultra Petroleum (U.S.A.), Inc. | White Estate #1 | 11,250 | 21330741 |
| 420633 | Feb 1, 1994 | Feb 1, 1994 | EP Operating Limited Partnership | Ogu(mc & Suggett -21) #160 | 11,950 | 21330661 |
| 420485 | Jan 28, 1994 | Jan 28, 1994 | EP Operating Limited Partnership | Ogu(mcgee, S.S. -5) #124 | 12,230 | 21330551 |