| 392179 | Oct 2, 1991 | Oct 2, 1991 | Mobil Producing TX. & N.M. Inc. | Crane | Texas University Sec. 1 & 2 #90 | 3,400 | 10334148 |
| 392184 | Sep 30, 1991 | Sep 30, 1991 | Mobil Producing TX. & N.M. Inc. | Crane | Texas University Sec. 1 & 2 #85 | 3,400 | 10334152 |
| 392183 | Sep 30, 1991 | Sep 30, 1991 | Mobil Producing TX. & N.M. Inc. | Crane | Texas University Sec. 1 & 2 #86 | 3,400 | 10334151 |
| 392247 | Sep 25, 1991 | Sep 25, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #188 | 6,320 | 23902543 |
| 392230 | Sep 25, 1991 | Sep 25, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #50 | 8,350 | 47935313 |
| 392011 | Sep 23, 1991 | Sep 23, 1991 | Mobil Producing TX. & N.M. Inc. | San Patricio | Welder, Minnie S. #40 | 7,250 | 40901675 |
| 391960 | Sep 18, 1991 | Sep 18, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #349 | 7,529 | 23902696 |
| 391831 | Sep 13, 1991 | Sep 13, 1991 | Mobil Producing TX. & N.M. Inc. | Hardin | Cunningham-Wheeler #1 | 8,516 | 19900508 |
| 391830 | Sep 12, 1991 | Sep 12, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #48 | 9,000 | 47935305 |
| 391830Amendment | Sep 12, 1991 | Sep 12, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #48 | 9,000 | 47935305 |
| 391829 | Sep 12, 1991 | Sep 12, 1991 | Mobil Producing TX. & N.M. Inc. | Duval | Moreno-Killam #1 | 20,000 | 13137507 |
| 391415 | Sep 3, 1991 | Sep 3, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #350 | 5,849 | 23902697 |
| 391500 | Aug 30, 1991 | Aug 30, 1991 | Mobil Producing TX. & N.M. Inc. | Andrews | Minton, E. H. a/C 2 #23 | 12,000 | 00336446 |
| 391084 | Aug 26, 1991 | Aug 26, 1991 | Mobil Producing TX. & N.M. Inc. | Ward | State -AN- #6 | 15,425 | 47530617 |
| 391123 | Aug 23, 1991 | Aug 23, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch State Oil&gas Unit #1 #5 | 7,150 | 23903861 |
| 391123Amendment | Aug 23, 1991 | Aug 23, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch State Oil&gas Unit #1 #5 | 7,150 | 23903861 |
| 390431 | Aug 23, 1991 | Aug 23, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #296 | 6,340 | 23902644 |
| 390820 | Aug 16, 1991 | Aug 16, 1991 | Mobil Producing TX. & N.M. Inc. | Hockley | East Mallet Unit #149 | 5,200 | 21935793 |
| 390821 | Aug 15, 1991 | Aug 15, 1991 | Mobil Producing TX. & N.M. Inc. | Hockley | East Mallet Unit #148 | 5,200 | 21935794 |
| 390819 | Aug 15, 1991 | Aug 15, 1991 | Mobil Producing TX. & N.M. Inc. | Hockley | East Mallet Unit #147W | 5,200 | 21935792 |
| 390817 | Aug 15, 1991 | Aug 15, 1991 | Mobil Producing TX. & N.M. Inc. | Hockley | East Mallet Unit #146W | 5,200 | 21935791 |
| 390849 | Aug 14, 1991 | Aug 14, 1991 | Mobil Producing TX. & N.M. Inc. | Andrews | Cowden Estate et Al #10 | 13,300 | 00336977 |
| 390721 | Aug 12, 1991 | Aug 12, 1991 | Mobil Producing TX. & N.M. Inc. | Cochran | Mallet Unit #1146 | 5,200 | 07932617 |
| 390720 | Aug 12, 1991 | Aug 12, 1991 | Mobil Producing TX. & N.M. Inc. | Hockley | Mallet Unit #132A | 5,200 | 21935786 |
| 390719 | Aug 12, 1991 | Aug 12, 1991 | Mobil Producing TX. & N.M. Inc. | Cochran | Mallet Unit #1147 | 5,200 | 07932616 |
| 390718 | Aug 12, 1991 | Aug 12, 1991 | Mobil Producing TX. & N.M. Inc. | Hockley | Mallet Unit #145A | 5,200 | 21935785 |
| 390717 | Aug 12, 1991 | Aug 12, 1991 | Mobil Producing TX. & N.M. Inc. | Cochran | Mallet Unit #1148 | 5,200 | 07932615 |
| 390716 | Aug 12, 1991 | Aug 12, 1991 | Mobil Producing TX. & N.M. Inc. | Cochran | Mallet Unit #1149 | 5,200 | 07932614 |
| 390715 | Aug 12, 1991 | Aug 12, 1991 | Mobil Producing TX. & N.M. Inc. | Hockley | Mallet Unit #163A | 5,200 | 21935784 |
| 390714 | Aug 12, 1991 | Aug 12, 1991 | Mobil Producing TX. & N.M. Inc. | Hockley | Mallet Unit #147A | 5,200 | 21935783 |
| 390634 | Aug 8, 1991 | Aug 8, 1991 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #A 37AW | 6,700 | 26331437 |
| 390634Amendment | Aug 8, 1991 | Aug 8, 1991 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #E 37AW | 6,700 | 26331437 |
| 390636 | Aug 6, 1991 | Aug 6, 1991 | Mobil Producing TX. & N.M. Inc. | Galveston | Halfmoon Shoal State Unit #1 | 18,000 | 16731201 |
| 389806 | Jul 26, 1991 | Jul 26, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #530 | 5,600 | 23932604 |
| 389806Amendment | Jul 26, 1991 | Jul 26, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #530 | 5,600 | 23932604 |
| 390306 | Jul 25, 1991 | Jul 25, 1991 | Mobil Producing TX. & N.M. Inc. | Pecos | Whiteside, O.R. -8- #1 | 6,000 | 37136312 |
| 390166 | Jul 24, 1991 | Jul 24, 1991 | Mobil Producing TX. & N.M. Inc. | Gaines | East Seminole (San Andres) Unit #1102AW | 5,800 | 16534371 |
| 390165 | Jul 24, 1991 | Jul 24, 1991 | Mobil Producing TX. & N.M. Inc. | Gaines | East Seminole (San Andres) Unit #507W | 5,800 | 16534370 |
| 389381 | Jul 22, 1991 | Jul 22, 1991 | Mobil Producing TX. & N.M. Inc. | Andrews | Cowden Estate et Al #111 | 12,900 | 00305583 |
| 389142 | Jul 17, 1991 | Jul 17, 1991 | Mobil Producing TX. & N.M. Inc. | Hidalgo | Johnson, F. I. #2 | 8,927 | 21500710 |
| 389171 | Jul 16, 1991 | Jul 16, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #501 | 6,350 | 23932008 |
| 389171Amendment | Jul 16, 1991 | Jul 16, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #501 | 6,350 | 23932008 |
| 389636 | Jul 9, 1991 | Jul 9, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #531 | 5,500 | 23932602 |
| 389635 | Jul 9, 1991 | Jul 9, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #529 | 5,500 | 23932601 |
| 389472 | Jul 8, 1991 | Jul 8, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #49 | 9,800 | 47935264 |
| 389472Amendment | Jul 8, 1991 | Jul 8, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #49 | 9,800 | 47935264 |
| 389437 | Jul 8, 1991 | Jul 8, 1991 | Mobil Producing TX. & N.M. Inc. | Hidalgo | Hamman Unit "A" #3D | 8,800 | 21531492 |
| 389433 | Jul 8, 1991 | Jul 8, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #516 | 7,450 | 23932230 |
| 389434 | Jul 5, 1991 | Jul 5, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #488 | 6,321 | 23931249 |
| 389434Amendment | Jul 5, 1991 | Jul 5, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #488 | 6,321 | 23931249 |
| 389435 | Jul 3, 1991 | Jul 3, 1991 | Mobil Producing TX. & N.M. Inc. | Hidalgo | Hamman, John "B" #16F | 9,101 | 21531498 |
| 389559 | Jul 2, 1991 | Jul 2, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #340 | 6,352 | 23902687 |
| 389559Amendment | Jul 2, 1991 | Jul 2, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #340 | 6,352 | 23902687 |
| 389442 | Jun 28, 1991 | Jun 28, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #449 | 6,350 | 23902795 |
| 389442Amendment | Jun 28, 1991 | Jun 28, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #449 | 6,350 | 23902795 |
| 389300 | Jun 28, 1991 | Jun 28, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #403 | 6,303 | 23902750 |
| 389152 | Jun 21, 1991 | Jun 21, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #40 | 8,900 | 47935258 |
| 389152Amendment | Jun 21, 1991 | Jun 21, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #40 | 8,900 | 47935258 |
| 388990 | Jun 17, 1991 | Jun 17, 1991 | Mobil Producing TX. & N.M. Inc. | Hardin | Hooks, Esther et Al #6 | 8,552 | 19900494 |
| 388990Amendment | Jun 17, 1991 | Jun 17, 1991 | Mobil Producing TX. & N.M. Inc. | Hardin | Hooks, Esther et Al #6 | 8,552 | 19900494 |
| 388974 | Jun 14, 1991 | Jun 14, 1991 | Mobil Producing TX. & N.M. Inc. | Lavaca | Wick 40-Acre Oil Unit #1 | 14,500 | 28531678 |
| 388974Amendment | Jun 14, 1991 | Jun 14, 1991 | Mobil Producing TX. & N.M. Inc. | Lavaca | Wick 40-Acre Oil Unit #1 | 14,500 | 28531678 |
| 388812 | Jun 13, 1991 | Jun 13, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch State Oil & Gas Unit #10 | 7,300 | 23930111 |
| 388812Amendment | Jun 13, 1991 | Jun 13, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch State Oil & Gas Unit #10 | 7,300 | 23930111 |
| 388757 | Jun 12, 1991 | Jun 12, 1991 | Mobil Producing TX. & N.M. Inc. | Hidalgo | Hamman Unit "A" #3 F | 8,800 | 21531492 |
| 388760 | Jun 11, 1991 | Jun 11, 1991 | Mobil Producing TX. & N.M. Inc. | Calhoun | Traylor, Maude B. "B" #4 | 12,040 | 05730190 |
| 388760Amendment | Jun 11, 1991 | Jun 11, 1991 | Mobil Producing TX. & N.M. Inc. | Calhoun | Traylor, Maude B. "B" #4 | 12,040 | 05730190 |
| 388759 | Jun 11, 1991 | Jun 11, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch State Oil & Gas UT.1 #2 | 8,805 | 23903828 |
| 388704 | Jun 11, 1991 | Jun 11, 1991 | Mobil Producing TX. & N.M. Inc. | Live Oak | Block 85 Unit #4 | 8,800 | 29733954 |
| 388599 | Jun 11, 1991 | Jun 11, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #417 | 19,060 | 23902764 |
| 388811 | Jun 7, 1991 | Jun 7, 1991 | Mobil Producing TX. & N.M. Inc. | Jim Wells | La Gloria Gas Unit #100 | 7,417 | 24931396 |
| 388732 | Jun 6, 1991 | Jun 6, 1991 | Mobil Producing TX. & N.M. Inc. | Hardin | Nona Mills Field Unit #1811 | 8,615 | 19900402 |
| 388601 | Jun 6, 1991 | Jun 6, 1991 | Mobil Producing TX. & N.M. Inc. | Hidalgo | Johnson, F. I. #58F | 8,908 | 21531811 |
| 388600 | Jun 6, 1991 | Jun 6, 1991 | Mobil Producing TX. & N.M. Inc. | Hidalgo | Johnson, F. I. #24F | 8,560 | 21531341 |
| 388623 | Jun 4, 1991 | Jun 4, 1991 | Mobil Producing TX. & N.M. Inc. | Hidalgo | Johnson, F. I. #35D | 8,620 | 21531390 |
| 388324 | Jun 3, 1991 | Jun 3, 1991 | Mobil Producing TX. & N.M. Inc. | Pecos | Schlosser, Fred Estate -B- #7 | 6,000 | 37136305 |
| 388453 | May 30, 1991 | May 30, 1991 | Mobil Producing TX. & N.M. Inc. | Hardin | Nona Mills Field Unit #2001 | 8,516 | 19900508 |
| 388325 | May 30, 1991 | May 30, 1991 | Mobil Producing TX. & N.M. Inc. | Pecos | Schlosser, Fred Estate -B- #6 | 6,000 | 37136303 |
| 388050 | May 28, 1991 | May 28, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #47 | 8,700 | 47935239 |
| 388050Amendment | May 28, 1991 | May 28, 1991 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #47 | 12,000 | 47935239 |
| 388259 | May 23, 1991 | May 23, 1991 | Mobil Producing TX. & N.M. Inc. | Jim Wells | Seeligson, A.A. #173 | 6,730 | 24902870 |
| 388049 | May 23, 1991 | May 23, 1991 | Mobil Producing TX. & N.M. Inc. | Colorado | Chesterville Unit #1 | 3,760 | 08900133 |
| 388212 | May 22, 1991 | May 22, 1991 | Mobil Producing TX. & N.M. Inc. | Andrews | U-Tex 36989 #4 | 13,000 | 00336939 |
| 388051 | May 21, 1991 | May 21, 1991 | Mobil Producing TX. & N.M. Inc. | Jim Wells | Seeligson, A. A. #83 | 7,800 | 24902796 |
| 388051Amendment | May 21, 1991 | May 21, 1991 | Mobil Producing TX. & N.M. Inc. | Jim Wells | Seeligson, A. A. #83 | 7,800 | 24902796 |
| 387983 | May 21, 1991 | May 21, 1991 | Mobil Producing TX. & N.M. Inc. | Brooks | Church of Brethren Unit #6 | 10,900 | 04730308 |
| 387173 | May 20, 1991 | May 20, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #349 | 7,529 | 23902696 |
| 387173Amendment | May 20, 1991 | May 20, 1991 | Mobil Producing TX. & N.M. Inc. | Jackson | West Ranch "A" #349 | 7,529 | 23902696 |
| 387934 | May 17, 1991 | May 17, 1991 | Mobil Producing TX. & N.M. Inc. | Jim Wells | Seeligson, A. A. #87 | 7,800 | 24902800 |
| 387867 | May 17, 1991 | May 17, 1991 | Mobil Producing TX. & N.M. Inc. | Cochran | North Central Levelland Unit #539W | 5,000 | 07932604 |
| 387867Amendment | May 17, 1991 | May 17, 1991 | Mobil Producing TX. & N.M. Inc. | Cochran | North Central Levelland Unit #539W | 5,000 | 07932604 |
| 387862 | May 17, 1991 | May 17, 1991 | Mobil Producing TX. & N.M. Inc. | Cochran | North Central Levelland Unit #543 | 5,000 | 07932603 |
| 387862Amendment | May 17, 1991 | May 17, 1991 | Mobil Producing TX. & N.M. Inc. | Cochran | North Central Levelland Unit #543 | 5,000 | 07932603 |
| 387860 | May 17, 1991 | May 17, 1991 | Mobil Producing TX. & N.M. Inc. | Hockley | North Central Levelland Unit #545 | 5,000 | 21935764 |
| 387860Amendment | May 17, 1991 | May 17, 1991 | Mobil Producing TX. & N.M. Inc. | Hockley | North Central Levelland Unit #545 | 5,000 | 21935764 |
| 387854 | May 17, 1991 | May 17, 1991 | Mobil Producing TX. & N.M. Inc. | Hockley | North Central Lavelland Unit #551 | 5,000 | 21935765 |
| 387854Amendment | May 17, 1991 | May 17, 1991 | Mobil Producing TX. & N.M. Inc. | Hockley | North Central Levelland Unit #551 | 5,000 | 21935765 |
| 387870 | May 16, 1991 | May 16, 1991 | Mobil Producing TX. & N.M. Inc. | Cochran | North Central Levelland Unit #536 | 5,000 | 07932598 |
| 387870Amendment | May 16, 1991 | May 16, 1991 | Mobil Producing TX. & N.M. Inc. | Cochran | North Central Levelland Unit #536 | 5,000 | 07932598 |
| 387861 | May 16, 1991 | May 16, 1991 | Mobil Producing TX. & N.M. Inc. | Hockley | North Central Levelland Unit #544W | 5,000 | 21935763 |