| 465618 | Aug 4, 1997 | Aug 4, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #F220 | 6,850 | 26331254 |
| 465617 | Aug 4, 1997 | Aug 4, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #F 25 | 6,850 | 26300254 |
| 465616 | Aug 4, 1997 | Aug 4, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #C746W | 6,850 | 26330765 |
| 465615 | Aug 4, 1997 | Aug 4, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #H 41W | 6,850 | 26300289 |
| 465614 | Aug 4, 1997 | Aug 4, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #H411H | 6,850 | 26331425 |
| 465613 | Aug 4, 1997 | Aug 4, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #C751W | 6,850 | 26330890 |
| 465565 | Aug 4, 1997 | Aug 4, 1997 | Mobil Producing TX. & N.M. Inc. | Ward | Watson, L. A. et al B #1L | 17,000 | 47530396 |
| 465484 | Aug 4, 1997 | Aug 4, 1997 | Mobil Producing TX. & N.M. Inc. | Hockley | Mallet Unit #136HH | 5,100 | 21901201 |
| 465484Amendment | Aug 4, 1997 | Aug 4, 1997 | Mobil Producing TX. & N.M. Inc. | Hockley | Mallet Unit #136HH | 5,100 | 21901201 |
| 465482 | Aug 4, 1997 | Aug 4, 1997 | Mobil Producing TX. & N.M. Inc. | Hockley | Mallet Unit #104HH | 5,100 | 21901125 |
| 465481 | Aug 4, 1997 | Aug 4, 1997 | Mobil Producing TX. & N.M. Inc. | Hockley | Mallet Unit #1113HH | 5,100 | 21931296 |
| 465325 | Aug 4, 1997 | Aug 4, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #H 71W | 6,850 | 26300292 |
| 465323 | Aug 4, 1997 | Aug 4, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #H 45W | 6,850 | 26330321 |
| 465556 | Jul 28, 1997 | Jul 28, 1997 | Mobil Producing TX. & N.M. Inc. | Jim Wells | Blucher, C. F. H. #51R | 10,800 | 24931925 |
| 465516 | Jul 28, 1997 | Jul 28, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #159 | 11,000 | 47936730 |
| 465324 | Jul 28, 1997 | Jul 28, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #H 42W | 6,850 | 26300294 |
| 465354 | Jul 24, 1997 | Jul 24, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #161 | 10,500 | 47936728 |
| 465353 | Jul 24, 1997 | Jul 24, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #160 | 10,000 | 47936727 |
| 465273 | Jul 23, 1997 | Jul 23, 1997 | Mobil Producing TX. & N.M. Inc. | Lavaca | Gerlich Gas Unit #5 | 14,500 | 28532521 |
| 464741 | Jul 10, 1997 | Jul 10, 1997 | Mobil Producing TX. & N.M. Inc. | Lavaca | F. Sobotik Gas Unit #1 #3 | 16,000 | 28532516 |
| 464594Amendment | Jul 10, 1997 | Jul 10, 1997 | Mobil Producing TX. & N.M. Inc. | Zapata | Felicidad #1 | 9,000 | 50533643 |
| 464594Amendment | Jul 10, 1997 | Jul 10, 1997 | Mobil Producing TX. & N.M. Inc. | Zapata | Felicidad #1 | 10,500 | 50533643 |
| 464594Amendment | Jul 10, 1997 | Jul 10, 1997 | Mobil Producing TX. & N.M. Inc. | Zapata | Felicidad #1 | 10,500 | 50533643 |
| 464421 | Jul 1, 1997 | Jul 1, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #2001 | 12,900 | 46103353 |
| 464407 | Jun 30, 1997 | Jun 30, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | McElroy, W.N. #1 | 15,000 | 47932627 |
| 464233 | Jun 30, 1997 | Jun 30, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Spraberry Unit #4216 | 8,800 | 46133812 |
| 463222 | Jun 30, 1997 | Jun 30, 1997 | Mobil Producing TX. & N.M. Inc. | Hidalgo | Hamman, John "B" #28 | 12,500 | 21532430 |
| 463221 | Jun 30, 1997 | Jun 30, 1997 | Mobil Producing TX. & N.M. Inc. | Hidalgo | Hamman, John "B" #29 | 12,500 | 21532431 |
| 464242 | Jun 26, 1997 | Jun 26, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #4403 | 12,900 | 46101855 |
| 464241 | Jun 26, 1997 | Jun 26, 1997 | Mobil Producing TX. & N.M. Inc. | Terrell | Goode Estate E #1H | 16,000 | 44330753 |
| 464241Amendment | Jun 26, 1997 | Jun 26, 1997 | Mobil Producing TX. & N.M. Inc. | Terrell | Goode Estate E #1HH | 16,000 | 44330753 |
| 464240 | Jun 26, 1997 | Jun 26, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #2404 | 12,900 | 46100011 |
| 464150 | Jun 23, 1997 | Jun 23, 1997 | Mobil Producing TX. & N.M. Inc. | Zapata | Gutierrez, Mobil H. #2 | 11,500 | 50533636 |
| 464150Amendment | Jun 23, 1997 | Jun 23, 1997 | Mobil Producing TX. & N.M. Inc. | Zapata | Gutierrez, Mobil H. #2 | 11,500 | 50533636 |
| 464149 | Jun 23, 1997 | Jun 23, 1997 | Mobil Producing TX. & N.M. Inc. | Hidalgo | Hamman, John "B" #5 | 12,000 | 21531425 |
| 463572 | Jun 20, 1997 | Jun 20, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #3903 | 12,900 | 46103932 |
| 463780 | Jun 19, 1997 | Jun 19, 1997 | Mobil Producing TX. & N.M. Inc. | Terrell | Brown Mc Ninch Estate Unit #2 | 12,900 | 44330230 |
| 463369 | Jun 18, 1997 | Jun 18, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Jones-O'Donnell #1WD | 7,550 | 26331495 |
| 463648 | Jun 11, 1997 | Jun 11, 1997 | Mobil Producing TX. & N.M. Inc. | Zapata | Matles, Maria #1 | 14,000 | 50533629 |
| 463573 | Jun 11, 1997 | Jun 11, 1997 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit #2 #1421H | 12,200 | 32933780 |
| 463571 | Jun 11, 1997 | Jun 11, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #2507 | 12,100 | 46103367 |
| 463376 | Jun 5, 1997 | Jun 5, 1997 | Mobil Producing TX. & N.M. Inc. | Lavaca | Gerlich Gas Unit #4H | 15,000 | 28532503 |
| 463376Amendment | Jun 5, 1997 | Jun 5, 1997 | Mobil Producing TX. & N.M. Inc. | Lavaca | Gerlich Gas Unit #4H | 15,000 | 28532503 |
| 463375 | Jun 5, 1997 | Jun 5, 1997 | Mobil Producing TX. & N.M. Inc. | Zapata | Fernandez, N. #4 | 12,000 | 50533627 |
| 463050 | Jun 5, 1997 | Jun 5, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #H 62A | 6,800 | 26331614 |
| 463282 | Jun 4, 1997 | Jun 4, 1997 | Mobil Producing TX. & N.M. Inc. | Lavaca | Hoffer, Leo Gas Unit #3H | 15,000 | 28532502 |
| 463282Amendment | Jun 4, 1997 | Jun 4, 1997 | Mobil Producing TX. & N.M. Inc. | Lavaca | Hoffer, Leo Gas Unit #3H | 15,000 | 28532502 |
| 463282Amendment | Jun 4, 1997 | Jun 4, 1997 | Mobil Producing TX. & N.M. Inc. | Lavaca | Leo Hoffer Gas Unit #3H | 17,000 | 28532502 |
| 463038 | May 29, 1997 | May 29, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | McElroy, W. N. #3 | 12,500 | 47936698 |
| 463036 | May 29, 1997 | May 29, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #156 | 10,000 | 47936697 |
| 463035 | May 29, 1997 | May 29, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #157 | 10,000 | 47936696 |
| 463034 | May 29, 1997 | May 29, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #158 | 10,000 | 47936695 |
| 462962 | May 28, 1997 | May 28, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #E 35AW | 6,800 | 26331613 |
| 462772 | May 22, 1997 | May 22, 1997 | Mobil Producing TX. & N.M. Inc. | Hidalgo | Hamman, John "D" #2X | 15,000 | 21532266 |
| 462201 | May 9, 1997 | May 9, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #E 32AW | 6,700 | 26331611 |
| 462201Amendment | May 9, 1997 | May 9, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #E 32AW | 6,800 | 26331611 |
| 462052 | May 6, 1997 | May 6, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #154 | 10,500 | 47936685 |
| 462052Amendment | May 6, 1997 | May 6, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #154 | 10,500 | 47936685 |
| 462052Amendment | May 6, 1997 | May 6, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #154 | 10,500 | 47936685 |
| 461717 | May 2, 1997 | May 2, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #L 82 | 6,950 | 26300759 |
| 461802 | Apr 30, 1997 | Apr 30, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #155 | 10,500 | 47936682 |
| 461802Amendment | Apr 30, 1997 | Apr 30, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #155 | 10,500 | 47936682 |
| 461802Amendment | Apr 30, 1997 | Apr 30, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #155 | 10,500 | 47936682 |
| 461800 | Apr 30, 1997 | Apr 30, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #153 | 10,500 | 47936681 |
| 461800Amendment | Apr 30, 1997 | Apr 30, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #153 | 10,500 | 47936681 |
| 461800Amendment | Apr 30, 1997 | Apr 30, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #153 | 10,500 | 47936681 |
| 461300 | Apr 25, 1997 | Apr 25, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #1726 | 12,200 | 46133399 |
| 461566 | Apr 24, 1997 | Apr 24, 1997 | Mobil Producing TX. & N.M. Inc. | Zapata | Fernandez, N. #2 | 12,000 | 50533596 |
| 461565 | Apr 24, 1997 | Apr 24, 1997 | Mobil Producing TX. & N.M. Inc. | Zapata | Fernandez, N. #3 | 12,000 | 50533595 |
| 461565Amendment | Apr 24, 1997 | Apr 24, 1997 | Mobil Producing TX. & N.M. Inc. | Zapata | Fernandez, N. #3 | 12,000 | 50533595 |
| 461299 | Apr 18, 1997 | Apr 18, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #1304 | 12,130 | 46103380 |
| 461141 | Apr 15, 1997 | Apr 15, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #150 | 10,000 | 47936672 |
| 461052 | Apr 15, 1997 | Apr 15, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #2403 | 12,700 | 46100199 |
| 460981 | Apr 11, 1997 | Apr 11, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #4205 | 12,600 | 46103283 |
| 460515 | Apr 7, 1997 | Apr 7, 1997 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit No. 2 #1908 | 10,495 | 32900847 |
| 460754 | Apr 4, 1997 | Apr 4, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #147 | 10,000 | 47936668 |
| 460753 | Apr 4, 1997 | Apr 4, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #148 | 10,000 | 47936669 |
| 460752 | Apr 4, 1997 | Apr 4, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #152 | 10,000 | 47936670 |
| 460752Amendment | Apr 4, 1997 | Apr 4, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #152 | 10,000 | 47936670 |
| 460752Amendment | Apr 4, 1997 | Apr 4, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #152 | 10,000 | 47936670 |
| 460669 | Apr 3, 1997 | Apr 3, 1997 | Mobil Producing TX. & N.M. Inc. | Webb | South Callaghan Ranch #149 | 10,000 | 47936667 |
| 460496 | Apr 3, 1997 | Apr 3, 1997 | Mobil Producing TX. & N.M. Inc. | Midland | Parks Field Unit 2 #904H | 16,000 | 32933691 |
| 460591 | Apr 2, 1997 | Apr 2, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #M 75 | 6,800 | 26331607 |
| 458724 | Mar 28, 1997 | Mar 28, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #2206 | 12,500 | 46133373 |
| 460416 | Mar 27, 1997 | Mar 27, 1997 | Mobil Producing TX. & N.M. Inc. | Zapata | Gutierrez, Mobil H. #1 | 11,500 | 50533580 |
| 460384 | Mar 27, 1997 | Mar 27, 1997 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Field Unit 3 #813 | 12,450 | 32933689 |
| 460213 | Mar 26, 1997 | Mar 26, 1997 | Mobil Producing TX. & N.M. Inc. | Terrell | Banner Unit #1 | 12,600 | 44300087 |
| 458260 | Mar 21, 1997 | Mar 21, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #1316 | 12,399 | 46133369 |
| 457716 | Mar 21, 1997 | Mar 21, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #1614 | 12,300 | 46133360 |
| 457715 | Mar 21, 1997 | Mar 21, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #2522 | 12,285 | 46133018 |
| 457714 | Mar 18, 1997 | Mar 18, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #1612 | 12,185 | 46133342 |
| 459540 | Mar 10, 1997 | Mar 10, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #C667 | 6,800 | 26331602 |
| 459539 | Mar 10, 1997 | Mar 10, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #L 35 | 6,800 | 26331603 |
| 459538 | Mar 10, 1997 | Mar 10, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #K 55 | 6,800 | 26331604 |
| 459537 | Mar 10, 1997 | Mar 10, 1997 | Mobil Producing TX. & N.M. Inc. | Kent | Salt Creek Field Unit #M 74 | 6,800 | 26331605 |
| 459379 | Mar 10, 1997 | Mar 10, 1997 | Mobil Producing TX. & N.M. Inc. | Midland | Pegasus Field Unit #3 #402 | 10,590 | 32901381 |
| 458964 | Feb 21, 1997 | Feb 21, 1997 | Mobil Producing TX. & N.M. Inc. | Zapata | Fernandez, N. #1 | 12,000 | 50533562 |
| 458964Amendment | Feb 21, 1997 | Feb 21, 1997 | Mobil Producing TX. & N.M. Inc. | Zapata | Fernandez, N. #1 | 12,000 | 50533562 |
| 458725 | Feb 21, 1997 | Feb 21, 1997 | Mobil Producing TX. & N.M. Inc. | Upton | Pegasus Field Unit #3 #2604 | 12,450 | 46133382 |
| 458911 | Feb 20, 1997 | Feb 20, 1997 | Mobil Producing TX. & N.M. Inc. | Jim Wells | Blucher, C.F.H. #32 | 7,354 | 24903522 |