| 481450Amendment | Dec 11, 1998 | Dec 11, 1998 | Mobil Producing TX. & N.M. Inc. | Duval | Mobil Fee #6 | 13,000 | 13138311 |
| 481395 | Dec 9, 1998 | Dec 9, 1998 | Mobil Producing TX. & N.M. Inc. | Duval | Thomas #1 | 11,000 | 13138310 |
| 481365 | Dec 8, 1998 | Dec 8, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Field Unit 3 #801 | 12,120 | 32901100 |
| 481053 | Nov 20, 1998 | Nov 20, 1998 | Mobil Producing TX. & N.M. Inc. | Lavaca | Palrang, D. A. Gas Unit #4 | 16,000 | 28532668 |
| 481052 | Nov 20, 1998 | Nov 20, 1998 | Mobil Producing TX. & N.M. Inc. | Lavaca | Valis, C. M. #1 | 15,000 | 28532667 |
| 481052Amendment | Nov 20, 1998 | Nov 20, 1998 | Mobil Producing TX. & N.M. Inc. | Lavaca | Valis, C. M. #1 | 15,000 | 28532667 |
| 480719 | Nov 16, 1998 | Nov 16, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit #2 #905HH | 16,000 | 32934128 |
| 480015 | Nov 5, 1998 | Nov 5, 1998 | Mobil Producing TX. & N.M. Inc. | Reeves | Hodge, J. Howard B #6HH | 11,000 | 38932157 |
| 480306 | Nov 3, 1998 | Nov 3, 1998 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #3902 | 12,500 | 46104020 |
| 480306Amendment | Nov 3, 1998 | Nov 3, 1998 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #3902 | 13,136 | 46104020 |
| 480608 | Nov 2, 1998 | Nov 2, 1998 | Mobil Producing TX. & N.M. Inc. | Duval | Mobil Fee #5 | 10,200 | 13138234 |
| 480129 | Oct 13, 1998 | Oct 13, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | Mary Scharbauer (Devonian) Unit #1HH | 16,000 | 32934124 |
| 480066 | Oct 12, 1998 | Oct 12, 1998 | Mobil Producing TX. & N.M. Inc. | Duval | Sun #2 | 12,500 | 13138294 |
| 480065 | Oct 12, 1998 | Oct 12, 1998 | Mobil Producing TX. & N.M. Inc. | Colorado | Gold, Lucille #1 | 15,700 | 08932097 |
| 479876 | Oct 6, 1998 | Oct 6, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Field Unit #3 #157HH | 11,350 | 32930003 |
| 477806 | Jul 15, 1998 | Jul 15, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit 2 #1826HH | 15,500 | 32932181 |
| 477842 | Jul 10, 1998 | Jul 10, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit 2 #2619HH | 16,500 | 32934102 |
| 476743 | Jul 7, 1998 | Jul 7, 1998 | Mobil Producing TX. & N.M. Inc. | Hidalgo | Hamman, John "B" #29 | 11,007 | 21532431 |
| 477434 | Jun 25, 1998 | Jun 25, 1998 | Mobil Producing TX. & N.M. Inc. | Duval | Schoolfield #2 | 12,500 | 13138274 |
| 477421 | Jun 24, 1998 | Jun 24, 1998 | Mobil Producing TX. & N.M. Inc. | Lavaca | Hoffer, Leo Gas Unit #2 | 13,800 | 28531697 |
| 477380 | Jun 23, 1998 | Jun 23, 1998 | Mobil Producing TX. & N.M. Inc. | Hidalgo | Hamman Unit "A" #4F | 10,100 | 21531641 |
| 477357 | Jun 22, 1998 | Jun 22, 1998 | Mobil Producing TX. & N.M. Inc. | Atascosa | Nixon-Steinle #31 | 7,475 | 01303065 |
| 476797 | Jun 2, 1998 | Jun 2, 1998 | Mobil Producing TX. & N.M. Inc. | Duval | Sun #1 | 12,500 | 13138268 |
| 476591 | May 26, 1998 | May 26, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit #2 #2417HH | 16,500 | 32934096 |
| 476505 | May 22, 1998 | May 22, 1998 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #2106 | 12,500 | 46132626 |
| 476202 | May 12, 1998 | May 12, 1998 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #145 | 10,500 | 47936626 |
| 476074 | May 8, 1998 | May 8, 1998 | Mobil Producing TX. & N.M. Inc. | Reeves | Hodge, J. Howard B #5HH | 12,500 | 38932152 |
| 476003 | May 8, 1998 | May 8, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit #2 #2416 | 16,500 | 32934088 |
| 476003Amendment | May 8, 1998 | May 8, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit #2 #2416HH | 16,500 | 32934088 |
| 475879 | May 6, 1998 | May 6, 1998 | Mobil Producing TX. & N.M. Inc. | Terrell | Mayme K. Martin Unit #2HH | 13,500 | 44330306 |
| 475688 | Apr 27, 1998 | Apr 27, 1998 | Mobil Producing TX. & N.M. Inc. | Duval | Schoolfield #1 | 12,500 | 13138250 |
| 475687 | Apr 27, 1998 | Apr 27, 1998 | Mobil Producing TX. & N.M. Inc. | Duval | Mho #2 | 12,500 | 13138251 |
| 474969 | Apr 2, 1998 | Apr 2, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | H. S. Collings Unit #3H | 16,000 | 32934077 |
| 474969Amendment | Apr 2, 1998 | Apr 2, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | H. S. Collings Unit #3HH | 16,000 | 32934077 |
| 474470 | Mar 19, 1998 | Mar 19, 1998 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #2101 | 12,800 | 46103327 |
| 474468 | Mar 19, 1998 | Mar 19, 1998 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #4002 | 12,800 | 46103340 |
| 474405 | Mar 17, 1998 | Mar 17, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | Andrews, J. A. #1HH | 16,000 | 32934067 |
| 474405Amendment | Mar 17, 1998 | Mar 17, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | Andrews, J. A. #1HH | 16,000 | 32934067 |
| 473531 | Feb 23, 1998 | Feb 23, 1998 | Mobil Producing TX. & N.M. Inc. | Pecos | Cross, R. B. 21 #2 | 16,500 | 37136819 |
| 473292 | Feb 12, 1998 | Feb 12, 1998 | Mobil Producing TX. & N.M. Inc. | Colorado | Schindler #1 | 14,450 | 08932076 |
| 473292Amendment | Feb 12, 1998 | Feb 12, 1998 | Mobil Producing TX. & N.M. Inc. | Colorado | Schindler #1 | 15,500 | 08932076 |
| 473292Amendment | Feb 12, 1998 | Feb 12, 1998 | Mobil Producing TX. & N.M. Inc. | Colorado | Schindler #1 | 14,450 | 08932076 |
| 473292Amendment | Feb 12, 1998 | Feb 12, 1998 | Mobil Producing TX. & N.M. Inc. | Colorado | Schindler #1 | 15,700 | 08932076 |
| 473081 | Feb 11, 1998 | Feb 11, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | Andrews Back Devonian Unit #1HH | 16,000 | 32934034 |
| 473072 | Feb 11, 1998 | Feb 11, 1998 | Mobil Producing TX. & N.M. Inc. | Terrell | Mayme K. Martin Unit #4A | 6,500 | 44330780 |
| 472987 | Feb 5, 1998 | Feb 5, 1998 | Mobil Producing TX. & N.M. Inc. | Duval | Ruiz #1 | 15,500 | 13138231 |
| 472847 | Feb 5, 1998 | Feb 5, 1998 | Mobil Producing TX. & N.M. Inc. | Terrell | Brown Mc Ninch Estate Unit #9HH | 6,500 | 44330778 |
| 472846 | Feb 5, 1998 | Feb 5, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | Haley-Reed (Devonian) Unit #2HH | 16,000 | 32934024 |
| 472846Amendment | Feb 5, 1998 | Feb 5, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | Haley-Reed (Devonian) Unit #2HH | 16,000 | 32934024 |
| 472721 | Jan 29, 1998 | Jan 29, 1998 | Mobil Producing TX. & N.M. Inc. | Terrell | Banner Estate #21 | 6,500 | 44330777 |
| 472248 | Jan 22, 1998 | Jan 22, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Field Unit #3 #111 | 12,800 | 32901044 |
| 472249 | Jan 16, 1998 | Jan 16, 1998 | Mobil Producing TX. & N.M. Inc. | Terrell | Mayme K. Martin Unit #7 | 6,500 | 44330776 |
| 472132 | Jan 13, 1998 | Jan 13, 1998 | Mobil Producing TX. & N.M. Inc. | Jim Wells | Blucher, C. F. H. #56 | 6,860 | 24931951 |
| 471566 | Jan 12, 1998 | Jan 12, 1998 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Field Unit #3 #114 | 12,000 | 32901041 |
| 471565 | Dec 31, 1997 | Dec 31, 1997 | Mobil Producing TX. & N.M. Inc. | Terrell | Brown Bassett #7 | 6,500 | 44330772 |
| 471584 | Dec 29, 1997 | Dec 29, 1997 | Mobil Producing TX. & N.M. Inc. | Terrell | Goode Estate Unit #5 | 6,500 | 44330773 |
| 471606 | Dec 23, 1997 | Dec 23, 1997 | Mobil Producing TX. & N.M. Inc. | Duval | MHQ #1 | 15,500 | 13138227 |
| 471438 | Dec 22, 1997 | Dec 22, 1997 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit 2 #1831HH | 16,000 | 32933991 |
| 471438Amendment | Dec 22, 1997 | Dec 22, 1997 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit 2 #1831HH | 16,000 | 32933991 |
| 471300 | Dec 16, 1997 | Dec 16, 1997 | Mobil Producing TX. & N.M. Inc. | Lavaca | D. A. Palrang Gas Unit #3 | 14,500 | 28532563 |
| 471055 | Dec 10, 1997 | Dec 10, 1997 | Mobil Producing TX. & N.M. Inc. | Lavaca | Smith, V. Gas Unit #2 | 14,500 | 28532560 |
| 471029 | Dec 10, 1997 | Dec 10, 1997 | Mobil Producing TX. & N.M. Inc. | Pecos | Moore, Wayne #6 | 6,700 | 37110275 |
| 471029Amendment | Dec 10, 1997 | Dec 10, 1997 | Mobil Producing TX. & N.M. Inc. | Pecos | Moore, Wayne #6 | 6,700 | 37110275 |
| 470414 | Dec 10, 1997 | Dec 10, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Spraberry Unit #1723 | 10,584 | 46133191 |
| 470385 | Nov 26, 1997 | Nov 26, 1997 | Mobil Producing TX. & N.M. Inc. | Pecos | Martinez "15" #1 | 14,850 | 37136783 |
| 470385Amendment | Nov 26, 1997 | Nov 26, 1997 | Mobil Producing TX. & N.M. Inc. | Pecos | Martinez "15" #1 | 17,500 | 37136783 |
| 470221 | Nov 26, 1997 | Nov 26, 1997 | Mobil Producing TX. & N.M. Inc. | Terrell | Mayme K. Martin Unit #4H | 6,500 | 44330767 |
| 470220 | Nov 26, 1997 | Nov 26, 1997 | Mobil Producing TX. & N.M. Inc. | Terrell | Mayme, K. Martin Unit #5H | 6,500 | 44330766 |
| 470220Amendment | Nov 26, 1997 | Nov 26, 1997 | Mobil Producing TX. & N.M. Inc. | Terrell | Martin, Mayme K. #5 | 5,923 | 44330766 |
| 470215 | Nov 17, 1997 | Nov 17, 1997 | Mobil Producing TX. & N.M. Inc. | Lavaca | F. Sobotik Gas Unit # 1 #5 | 14,500 | 28532553 |
| 469832 | Nov 10, 1997 | Nov 10, 1997 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Field Unit #3 #901 | 11,980 | 32901509 |
| 469831 | Nov 10, 1997 | Nov 10, 1997 | Mobil Producing TX. & N.M. Inc. | Terrell | Banner Estate #20 | 6,500 | 44330765 |
| 469675 | Nov 7, 1997 | Nov 7, 1997 | Mobil Producing TX. & N.M. Inc. | Terrell | Brown Bassett Goode Unit #1HH | 12,880 | 44300079 |
| 469675Amendment | Nov 7, 1997 | Nov 7, 1997 | Mobil Producing TX. & N.M. Inc. | Terrell | Brown Bassett Goode Unit #1HH | 15,500 | 44300079 |
| 469727 | Nov 6, 1997 | Nov 6, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | McElroy, W. N. #1 | 10,426 | 47932627 |
| 469656 | Nov 4, 1997 | Nov 4, 1997 | Mobil Producing TX. & N.M. Inc. | Jim Wells | Blucher, C. F. H. #58 | 7,080 | 24931988 |
| 469448 | Oct 29, 1997 | Oct 29, 1997 | Mobil Producing TX. & N.M. Inc. | Lavaca | F. Sobotik Gas Unit #1 #4 | 15,500 | 28532548 |
| 469159 | Oct 28, 1997 | Oct 28, 1997 | Mobil Producing TX. & N.M. Inc. | Terrell | Bassett 202 #1 | 14,400 | 44330764 |
| 469217 | Oct 27, 1997 | Oct 27, 1997 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Field Unit #3 #702 | 11,980 | 32902205 |
| 469094 | Oct 22, 1997 | Oct 22, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #164 | 10,000 | 47936793 |
| 469093 | Oct 22, 1997 | Oct 22, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #163 | 10,000 | 47936792 |
| 469066 | Oct 22, 1997 | Oct 22, 1997 | Mobil Producing TX. & N.M. Inc. | Pecos | Coyanosa Wolfcamp Unit #504 | 10,650 | 37131664 |
| 469024 | Oct 21, 1997 | Oct 21, 1997 | Mobil Producing TX. & N.M. Inc. | Terrell | Banner Estate #22HH | 11,000 | 44300087 |
| 468922 | Oct 17, 1997 | Oct 17, 1997 | Mobil Producing TX. & N.M. Inc. | Midland | Haley-Reed (Devonian) Unit #1HH | 12,500 | 32933932 |
| 468921 | Oct 17, 1997 | Oct 17, 1997 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit No. 2 #1422HH | 12,200 | 32933931 |
| 468182 | Oct 3, 1997 | Oct 3, 1997 | Mobil Producing TX. & N.M. Inc. | Terrell | Goode Estate D Unit #1H | 14,200 | 44330217 |
| 468339 | Oct 2, 1997 | Oct 2, 1997 | Mobil Producing TX. & N.M. Inc. | Lavaca | L. A. Bludau Unit #2 | 14,500 | 28532540 |
| 467990 | Sep 24, 1997 | Sep 24, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #162 | 10,000 | 47936766 |
| 467331 | Sep 15, 1997 | Sep 15, 1997 | Mobil Producing TX. & N.M. Inc. | Pecos | Sibley, Effie Potts B #1 | 16,280 | 37110045 |
| 466125 | Sep 11, 1997 | Sep 11, 1997 | Mobil Producing TX. & N.M. Inc. | Pecos | Hoelscher et Al #2901 | 16,000 | 37136749 |
| 466773 | Sep 10, 1997 | Sep 10, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Pennsylvanian Unit #2508 | 13,101 | 46103368 |
| 466730 | Aug 27, 1997 | Aug 27, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #1706 | 13,172 | 46103863 |
| 466742 | Aug 26, 1997 | Aug 26, 1997 | Mobil Producing TX. & N.M. Inc. | Reeves | Moore, Wayne #12 | 10,000 | 38910444 |
| 466125Amendment | Aug 26, 1997 | Aug 26, 1997 | Mobil Producing TX. & N.M. Inc. | Pecos | Hoelscher et Al #2901 | 16,000 | 37136749 |
| 466271 | Aug 18, 1997 | Aug 18, 1997 | Mobil Producing TX. & N.M. Inc. | Ward | Watson, L. A. et al B #2 | 15,930 | 47530767 |
| 466083 | Aug 11, 1997 | Aug 11, 1997 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit 2 #1830HH | 16,000 | 32933851 |
| 465739 | Aug 11, 1997 | Aug 11, 1997 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit No. 2 #1319 | 12,150 | 32902204 |
| 465485 | Aug 5, 1997 | Aug 5, 1997 | Mobil Producing TX. & N.M. Inc. | Cochran | Mallet Unit #138HH | 5,100 | 07901480 |
| 465620 | Aug 4, 1997 | Aug 4, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #F212W | 6,850 | 26330760 |
| 465619 | Aug 4, 1997 | Aug 4, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #F222W | 6,850 | 26331354 |