| 518783 | Apr 5, 2002 | Apr 5, 2002 | Mobil Producing TX. & N.M. Inc. | Ward | McBirney Unit 2 #4HH | 15,000 | 47534748 |
| 518670 | Mar 28, 2002 | Mar 28, 2002 | Mobil Producing TX. & N.M. Inc. | Brooks | Church of the Brethren Unit #10 | 10,500 | 04731987 |
| 518019 | Mar 5, 2002 | Mar 5, 2002 | Mobil Producing TX. & N.M. Inc. | Terrell | Banner Estate #26 | 16,000 | 44330931 |
| 517623 | Feb 25, 2002 | Feb 25, 2002 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Field Unit #3 #106 | 13,086 | 32901052 |
| 517622 | Feb 21, 2002 | Feb 21, 2002 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Field Unit #3 #1307 | 13,169 | 32901050 |
| 517261 | Feb 1, 2002 | Feb 1, 2002 | Mobil Producing TX. & N.M. Inc. | Gaines | H&J Sec. 453 #2 | 7,770 | 16532923 |
| 516746 | Jan 10, 2002 | Jan 10, 2002 | Mobil Producing TX. & N.M. Inc. | Webb | Callaghan Ranch #14 | 5,725 | 47930633 |
| 516716 | Jan 9, 2002 | Jan 9, 2002 | Mobil Producing TX. & N.M. Inc. | Hockley | Mallet Unit #1225W | 5,700 | 21936634 |
| 516715 | Jan 9, 2002 | Jan 9, 2002 | Mobil Producing TX. & N.M. Inc. | Hockley | Mallet Unit #1345 | 5,700 | 21936633 |
| 516714 | Jan 9, 2002 | Jan 9, 2002 | Mobil Producing TX. & N.M. Inc. | Hockley | Mallet Unit #199AW | 5,700 | 21936632 |
| 516713 | Jan 9, 2002 | Jan 9, 2002 | Mobil Producing TX. & N.M. Inc. | Hockley | Mallet Unit #1325W | 5,700 | 21936631 |
| 516712 | Jan 9, 2002 | Jan 9, 2002 | Mobil Producing TX. & N.M. Inc. | Cochran | Mallet Unit #1255 | 5,700 | 21936638 |
| 516711 | Jan 9, 2002 | Jan 9, 2002 | Mobil Producing TX. & N.M. Inc. | Cochran | Mallet Unit #1425 | 5,700 | 07933017 |
| 515601 | Dec 31, 2001 | Dec 31, 2001 | Mobil Producing TX. & N.M. Inc. | Terrell | Banner Estate #23HH | 13,500 | 44330915 |
| 515601Amendment | Dec 31, 2001 | Dec 31, 2001 | Mobil Producing TX. & N.M. Inc. | Terrell | Banner Estate #23HH | 15,500 | 44330915 |
| 513385 | Dec 21, 2001 | Dec 21, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Pyote Gas Unit 2 #3HH | 15,000 | 47535466 |
| 514084 | Nov 1, 2001 | Nov 1, 2001 | Mobil Producing TX. & N.M. Inc. | Reeves | Hodge B #6HH | 13,500 | 38932234 |
| 514666 | Oct 29, 2001 | Oct 29, 2001 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Field Unit 3 #156 | 12,150 | 32910082 |
| 514698 | Oct 23, 2001 | Oct 23, 2001 | Mobil Producing TX. & N.M. Inc. | Winkler | Sealy 90 #1HH | 18,000 | 49532889 |
| 514698Amendment | Oct 23, 2001 | Oct 23, 2001 | Mobil Producing TX. & N.M. Inc. | Winkler | Sealy 90 #1HH | 18,000 | 49532889 |
| 514667 | Oct 22, 2001 | Oct 22, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | McBirney Unit 2 #3HH | 14,000 | 47534737 |
| 514529 | Oct 19, 2001 | Oct 19, 2001 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #2004 | 13,225 | 46103356 |
| 513617 | Oct 12, 2001 | Oct 12, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Campbell Estate et Al #4HH | 14,500 | 47534731 |
| 513988 | Oct 5, 2001 | Oct 5, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Pyote Gas Unit 2 #3HH | 15,000 | 47535466 |
| 511023 | Sep 5, 2001 | Sep 5, 2001 | Mobil Producing TX. & N.M. Inc. | Terrell | Banner Estate #24 | 15,500 | 44330887 |
| 513287Amendment | Aug 31, 2001 | Aug 31, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Parish 48 #1HH | 17,900 | 47534648 |
| 512861 | Aug 22, 2001 | Aug 22, 2001 | Mobil Producing TX. & N.M. Inc. | Reeves | Ligon, S E 20 #1HH | 15,500 | 38932231 |
| 512861Amendment | Aug 22, 2001 | Aug 22, 2001 | Mobil Producing TX. & N.M. Inc. | Reeves | Ligon, S E 20 #1HH | 15,500 | 38932231 |
| 512861Amendment | Aug 22, 2001 | Aug 22, 2001 | Mobil Producing TX. & N.M. Inc. | Reeves | Ligon, S E 20 #1HH | 15,500 | 38932231 |
| 512824 | Aug 21, 2001 | Aug 21, 2001 | Mobil Producing TX. & N.M. Inc. | Brooks | Church of Brethren Unit #6 | 7,870 | 04730308 |
| 512821 | Aug 21, 2001 | Aug 21, 2001 | Mobil Producing TX. & N.M. Inc. | Brooks | Church of the Brethren Unit #9D | 9,320 | 04731896 |
| 512668 | Aug 16, 2001 | Aug 16, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Watson, L. A. et al B #4HH | 15,000 | 47534728 |
| 512668Amendment | Aug 16, 2001 | Aug 16, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Watson, L. A. et al B #4HH | 15,000 | 47534728 |
| 511513 | Aug 16, 2001 | Aug 16, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Pathomack 55 #3HH | 14,500 | 47534727 |
| 512307 | Aug 9, 2001 | Aug 9, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #93 | 5,300 | 50134623 |
| 512307Amendment | Aug 9, 2001 | Aug 9, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #93 | 5,300 | 50134623 |
| 512307Amendment | Aug 9, 2001 | Aug 9, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #93 | 6,000 | 50134623 |
| 512306 | Aug 9, 2001 | Aug 9, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #85 | 5,300 | 50134622 |
| 512306Amendment | Aug 9, 2001 | Aug 9, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #85 | 6,000 | 50134622 |
| 512305 | Aug 9, 2001 | Aug 9, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #94 | 5,300 | 50134621 |
| 512305Amendment | Aug 9, 2001 | Aug 9, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #94 | 6,000 | 50134621 |
| 512304 | Aug 9, 2001 | Aug 9, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #89 | 5,300 | 50134620 |
| 512304Amendment | Aug 9, 2001 | Aug 9, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #89 | 6,000 | 50134620 |
| 512303 | Aug 9, 2001 | Aug 9, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #95 | 5,300 | 50134619 |
| 512303Amendment | Aug 9, 2001 | Aug 9, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #95 | 6,000 | 50134619 |
| 512301 | Aug 9, 2001 | Aug 9, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #88 | 5,300 | 50134618 |
| 512301Amendment | Aug 9, 2001 | Aug 9, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #88 | 6,000 | 50134618 |
| 512300 | Aug 9, 2001 | Aug 9, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #97 | 5,300 | 50134617 |
| 512300Amendment | Aug 9, 2001 | Aug 9, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #97 | 6,000 | 50134617 |
| 512381 | Aug 8, 2001 | Aug 8, 2001 | Mobil Producing TX. & N.M. Inc. | Terrell | Goode Estate B Unit #2H | 12,500 | 44330242 |
| 512381Amendment | Aug 8, 2001 | Aug 8, 2001 | Mobil Producing TX. & N.M. Inc. | Terrell | Goode Estate B Unit #2H | 12,500 | 44330242 |
| 512308Amendment | Aug 7, 2001 | Aug 7, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #96 | 6,000 | 50134616 |
| 512246 | Aug 7, 2001 | Aug 7, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #86 | 5,300 | 50134614 |
| 512246Amendment | Aug 7, 2001 | Aug 7, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #86 | 6,000 | 50134614 |
| 512245 | Aug 7, 2001 | Aug 7, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #92 | 5,300 | 50134615 |
| 512245Amendment | Aug 7, 2001 | Aug 7, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #92 | 6,000 | 50134615 |
| 512171 | Aug 2, 2001 | Aug 2, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #84 | 5,300 | 50134613 |
| 512171Amendment | Aug 2, 2001 | Aug 2, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #84 | 6,000 | 50134613 |
| 512170 | Aug 2, 2001 | Aug 2, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #87 | 5,300 | 50134612 |
| 512170Amendment | Aug 2, 2001 | Aug 2, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #87 | 6,000 | 50134612 |
| 512169 | Aug 2, 2001 | Aug 2, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #83 | 5,300 | 50134611 |
| 512169Amendment | Aug 2, 2001 | Aug 2, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #83 | 6,000 | 50134611 |
| 512089 | Aug 1, 2001 | Aug 1, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #90 | 5,300 | 50134610 |
| 512089Amendment | Aug 1, 2001 | Aug 1, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #90 | 6,000 | 50134610 |
| 512088 | Aug 1, 2001 | Aug 1, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #91 | 5,300 | 50134609 |
| 512088Amendment | Aug 1, 2001 | Aug 1, 2001 | Mobil Producing TX. & N.M. Inc. | Yoakum | Mahoney, H. O. #91 | 6,000 | 50134609 |
| 511794 | Jul 30, 2001 | Jul 30, 2001 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit 2 #2703HH | 12,800 | 32934631 |
| 511794Amendment | Jul 30, 2001 | Jul 30, 2001 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit 2 #2703HH | 12,800 | 32934631 |
| 511793 | Jul 30, 2001 | Jul 30, 2001 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit 2 #2507HH | 12,800 | 32934630 |
| 510663 | Jul 25, 2001 | Jul 25, 2001 | Mobil Producing TX. & N.M. Inc. | Reeves | Hodge, J. Howard #7HH | 12,200 | 38932224 |
| 511497 | Jul 16, 2001 | Jul 16, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Pyote Gas Unit 7 #3HH | 14,000 | 47534726 |
| 511496 | Jul 16, 2001 | Jul 16, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Thornton, Tate 79 #2HH | 14,300 | 47534725 |
| 510422 | Jun 19, 2001 | Jun 19, 2001 | Mobil Producing TX. & N.M. Inc. | Midland | Parks, Roy 'C' #3H | 12,800 | 32934604 |
| 510328 | Jun 14, 2001 | Jun 14, 2001 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #C572W | 6,800 | 26331484 |
| 510199 | Jun 12, 2001 | Jun 12, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Pyote Gas Unit 11 #4HH | 14,500 | 47534722 |
| 509632 | May 31, 2001 | May 31, 2001 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #C556W | 6,800 | 26331128 |
| 509295Amendment | May 22, 2001 | May 22, 2001 | Mobil Producing TX. & N.M. Inc. | Harris | Geo. A. Scott & Louise S. Beamer #110 | 6,179 | 20132075 |
| 509245 | May 22, 2001 | May 22, 2001 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit 2 #1310HH | 12,800 | 32934577 |
| 509245Amendment | May 22, 2001 | May 22, 2001 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit 2 #1310HH | 12,800 | 32934577 |
| 509028 | May 15, 2001 | May 15, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Evans, Mary W. #3HH | 13,500 | 47534712 |
| 507964 | Apr 19, 2001 | Apr 19, 2001 | Mobil Producing TX. & N.M. Inc. | Jim Wells | Lobbercht, Dorr #1 | 6,897 | 24903311 |
| 507882 | Apr 17, 2001 | Apr 17, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Watson, L. A. #3HH | 14,500 | 47534707 |
| 507788 | Apr 17, 2001 | Apr 17, 2001 | Mobil Producing TX. & N.M. Inc. | Reeves | Barber, W. T. 21 #1HH | 14,255 | 38932212 |
| 507094 | Mar 27, 2001 | Mar 27, 2001 | Mobil Producing TX. & N.M. Inc. | Reeves | Moore, W. 3 #1HH | 14,800 | 38932210 |
| 507094Amendment | Mar 27, 2001 | Mar 27, 2001 | Mobil Producing TX. & N.M. Inc. | Reeves | Moore, W. 3 #1 HH | 14,800 | 38932210 |
| 506855 | Mar 26, 2001 | Mar 26, 2001 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit 3 #1309 | 13,110 | 46103383 |
| 506942 | Mar 23, 2001 | Mar 23, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Thornton, Jim 80 #1HH | 14,000 | 47534706 |
| 506942Amendment | Mar 23, 2001 | Mar 23, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Thornton, Jim 80 #1HH | 14,500 | 47534706 |
| 506942Amendment | Mar 23, 2001 | Mar 23, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Thornton, Jim 80 #1HH | 14,500 | 47534706 |
| 506308 | Mar 9, 2001 | Mar 9, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Beall Gas Unit 1 #1HH | 13,900 | 47534702 |
| 506308Amendment | Mar 9, 2001 | Mar 9, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Beall Gas Unit 1 #1HH | 13,900 | 47534702 |
| 506308Amendment | Mar 9, 2001 | Mar 9, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Beall Gas Unit 1 #1HH | 13,900 | 47534702 |
| 506308Amendment | Mar 9, 2001 | Mar 9, 2001 | Mobil Producing TX. & N.M. Inc. | Ward | Beall Gas Unit 1 #1H | 13,900 | 47534702 |
| 505951 | Mar 2, 2001 | Mar 2, 2001 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #C353W | 6,700 | 26330889 |
| 505950 | Mar 2, 2001 | Mar 2, 2001 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #C 37 W | 6,700 | 26300381 |
| 505949 | Mar 2, 2001 | Mar 2, 2001 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #C236 | 6,700 | 26330326 |
| 505844 | Feb 28, 2001 | Feb 28, 2001 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #C422W | 6,700 | 26300396 |
| 505843 | Feb 28, 2001 | Feb 28, 2001 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #C535W | 6,700 | 26330170 |
| 505531 | Feb 22, 2001 | Feb 22, 2001 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit 3 #2602 | 13,115 | 46103345 |
| 505530 | Feb 22, 2001 | Feb 22, 2001 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit 3 #2601 | 13,120 | 46103344 |