| 457048Amendment | Jan 6, 1997 | Jan 6, 1997 | Sonat Exploration Company -Tyler | Leon | Morris Lazy K #1 | 17,500 | 28931254 |
| 457048Amendment | Jan 6, 1997 | Jan 6, 1997 | Sonat Exploration Company -Tyler | Leon | Morris Lazy K #1 | 18,500 | 28931254 |
| 457048Amendment | Jan 6, 1997 | Jan 6, 1997 | Sonat Exploration Company -Tyler | Leon | Morris Lazy K #1 | 18,500 | 28931254 |
| 457048Amendment | Jan 6, 1997 | Jan 6, 1997 | Sonat Exploration Company -Tyler | Leon | Morris Lazy K #1 | 18,500 | 28931254 |
| 455299 | Dec 30, 1996 | Dec 30, 1996 | Sonat Exploration Company -Tyler | Rusk | Hubbard Gas Unit # 1 #6 | 11,000 | 40132682 |
| 456764 | Dec 27, 1996 | Dec 27, 1996 | Sonat Exploration Company -Tyler | Red River | McLean #4 | 5,700 | 38730500 |
| 456763 | Dec 27, 1996 | Dec 27, 1996 | Sonat Exploration Company -Tyler | Panola | Hogg, Allie M. #7 | 8,244 | 36532294 |
| 456596 | Dec 20, 1996 | Dec 20, 1996 | Sonat Exploration Company -Tyler | Newton | Gsu Unit A-905 #1H | 11,000 | 35130588 |
| 456591 | Dec 20, 1996 | Dec 20, 1996 | Sonat Exploration Company -Tyler | Newton | Champion Int'l Unit A-20 #2H | 11,500 | 35130572 |
| 455616 | Dec 18, 1996 | Dec 18, 1996 | Sonat Exploration Company -Tyler | Red River | Warthan Oil Unit #2 | 5,700 | 38730496 |
| 456373 | Dec 16, 1996 | Dec 16, 1996 | Sonat Exploration Company -Tyler | Panola | Payne #5 | 9,900 | 36533566 |
| 456373Amendment | Dec 16, 1996 | Dec 16, 1996 | Sonat Exploration Company -Tyler | Panola | Payne #5 | 9,900 | 36533566 |
| 455302 | Dec 13, 1996 | Dec 13, 1996 | Sonat Exploration Company -Tyler | Rusk | Childress #6A | 11,000 | 40132681 |
| 455302Amendment | Dec 13, 1996 | Dec 13, 1996 | Sonat Exploration Company -Tyler | Rusk | Childress #6A | 11,000 | 40132681 |
| 456198 | Dec 11, 1996 | Dec 11, 1996 | Sonat Exploration Company -Tyler | Panola | Furrh, J. D. et Al #3A | 9,900 | 36533562 |
| 456198Amendment | Dec 11, 1996 | Dec 11, 1996 | Sonat Exploration Company -Tyler | Panola | Furrh, J. D. et Al #3A | 9,900 | 36533562 |
| 456088 | Dec 9, 1996 | Dec 9, 1996 | Sonat Exploration Company -Tyler | Panola | Davis, Ella Mae #3 | 9,900 | 36533559 |
| 456087 | Dec 9, 1996 | Dec 9, 1996 | Sonat Exploration Company -Tyler | Panola | Carter Estate #4 | 10,000 | 36533558 |
| 456087Amendment | Dec 9, 1996 | Dec 9, 1996 | Sonat Exploration Company -Tyler | Panola | Carter Estate #4 | 10,000 | 36533558 |
| 456019 | Dec 6, 1996 | Dec 6, 1996 | Sonat Exploration Company -Tyler | Newton | Champion Int'l. Unit A-1138 #1H | 11,995 | 35130594 |
| 455853 | Dec 3, 1996 | Dec 3, 1996 | Sonat Exploration Company -Tyler | Freestone | Moore, Donie #2 | 16,000 | 16131396 |
| 455853Amendment | Dec 3, 1996 | Dec 3, 1996 | Sonat Exploration Company -Tyler | Freestone | Moore, Donie #2 | 16,000 | 16131396 |
| 455818 | Dec 2, 1996 | Dec 2, 1996 | Sonat Exploration Company -Tyler | Newton | Talley Unit A-375 #1H | 12,170 | 35130673 |
| 455060 | Nov 25, 1996 | Nov 25, 1996 | Sonat Exploration Company -Tyler | Cherokee | Little #3 | 11,000 | 07330891 |
| 455439 | Nov 20, 1996 | Nov 20, 1996 | Sonat Exploration Company -Tyler | Red River | Warthan #1 | 5,700 | 38730495 |
| 455438 | Nov 20, 1996 | Nov 20, 1996 | Sonat Exploration Company -Tyler | Robertson | Rolke #1 | 9,500 | 39530481 |
| 455437 | Nov 20, 1996 | Nov 20, 1996 | Sonat Exploration Company -Tyler | Rusk | Lone Star Production Co. #2 | 9,000 | 40132683 |
| 454537 | Nov 18, 1996 | Nov 18, 1996 | Sonat Exploration Company -Tyler | Panola | Burnett #2 | 10,100 | 36532216 |
| 455232 | Nov 15, 1996 | Nov 15, 1996 | Sonat Exploration Company -Tyler | Rusk | Childress Gas Unit 2 #6 | 11,000 | 40132680 |
| 454977 | Nov 8, 1996 | Nov 8, 1996 | Sonat Exploration Company -Tyler | Newton | Blackstone Unit A-293 #2H | 12,500 | 35130672 |
| 454977Amendment | Nov 8, 1996 | Nov 8, 1996 | Sonat Exploration Company -Tyler | Newton | Blackstone Unit A-293 #2H | 12,650 | 35130672 |
| 454802 | Nov 5, 1996 | Nov 5, 1996 | Sonat Exploration Company -Tyler | Newton | Blackstone Unit A-897 #1H | 12,400 | 35130671 |
| 454802Amendment | Nov 5, 1996 | Nov 5, 1996 | Sonat Exploration Company -Tyler | Newton | Blackstone Unit A-897 #1H | 12,870 | 35130671 |
| 454764 | Nov 4, 1996 | Nov 4, 1996 | Sonat Exploration Company -Tyler | Cherokee | Holcomb - Little #4 | 11,000 | 07330888 |
| 454763 | Nov 4, 1996 | Nov 4, 1996 | Sonat Exploration Company -Tyler | Cherokee | Holcomb - Little #3 | 11,000 | 07330889 |
| 454763Amendment | Nov 4, 1996 | Nov 4, 1996 | Sonat Exploration Company -Tyler | Cherokee | Holcomb - Little #3 | 11,000 | 07330889 |
| 454762 | Nov 4, 1996 | Nov 4, 1996 | Sonat Exploration Company -Tyler | Panola | Carter Estate #3 | 10,000 | 36533527 |
| 454762Amendment | Nov 4, 1996 | Nov 4, 1996 | Sonat Exploration Company -Tyler | Panola | Carter Estate #3 | 10,000 | 36533527 |
| 454541 | Oct 30, 1996 | Oct 30, 1996 | Sonat Exploration Company -Tyler | Leon | Cook #3 | 17,000 | 28931249 |
| 454541Amendment | Oct 30, 1996 | Oct 30, 1996 | Sonat Exploration Company -Tyler | Leon | Cook #3 | 17,000 | 28931249 |
| 454541Amendment | Oct 30, 1996 | Oct 30, 1996 | Sonat Exploration Company -Tyler | Leon | Cook #3 | 17,000 | 28931249 |
| 454289 | Oct 23, 1996 | Oct 23, 1996 | Sonat Exploration Company -Tyler | Red River | Cooper #5 | 5,700 | 38730491 |
| 454165 | Oct 21, 1996 | Oct 21, 1996 | Sonat Exploration Company -Tyler | Panola | Payne #4 | 5,970 | 36532962 |
| 453427 | Oct 3, 1996 | Oct 3, 1996 | Sonat Exploration Company -Tyler | Panola | Briggs, W. F. #2 | 7,350 | 36531871 |
| 453203 | Sep 26, 1996 | Sep 26, 1996 | Sonat Exploration Company -Tyler | Rusk | Hubbard Gas Unit #1 #5 | 10,950 | 40132671 |
| 453202 | Sep 26, 1996 | Sep 26, 1996 | Sonat Exploration Company -Tyler | Rusk | Childress #5A | 10,950 | 40132670 |
| 453058 | Sep 23, 1996 | Sep 23, 1996 | Sonat Exploration Company -Tyler | Newton | Temple Unit A-86 #1H | 12,200 | 35130667 |
| 453058Amendment | Sep 23, 1996 | Sep 23, 1996 | Sonat Exploration Company -Tyler | Newton | Temple Unit A-86 #1H | 12,200 | 35130667 |
| 453058Amendment | Sep 23, 1996 | Sep 23, 1996 | Sonat Exploration Company -Tyler | Newton | Temple Unit A-86 #1H | 12,486 | 35130667 |
| 452966 | Sep 20, 1996 | Sep 20, 1996 | Sonat Exploration Company -Tyler | Freestone | L. D. Williams Gas Unit 1 #2 | 12,699 | 16130935 |
| 452912 | Sep 19, 1996 | Sep 19, 1996 | Sonat Exploration Company -Tyler | Newton | Blackstone Unit A-293 #1H | 12,300 | 35130666 |
| 452701 | Sep 16, 1996 | Sep 16, 1996 | Sonat Exploration Company -Tyler | Newton | Champion Int'l Unit A-43 #1H | 12,400 | 35130664 |
| 452701Amendment | Sep 16, 1996 | Sep 16, 1996 | Sonat Exploration Company -Tyler | Newton | Champion Int'l Unit A-43 #1H | 12,400 | 35130664 |
| 451770 | Sep 12, 1996 | Sep 12, 1996 | Sonat Exploration Company -Tyler | Shelby | O.L. Guy Travis Peak Unit #1 | 8,038 | 41930009 |
| 452466 | Sep 10, 1996 | Sep 10, 1996 | Sonat Exploration Company -Tyler | Gregg | Pugh Meadows Gas Unit #2 | 10,835 | 18330820 |
| 452322 | Sep 5, 1996 | Sep 5, 1996 | Sonat Exploration Company -Tyler | Panola | Anderson, Lemma #1 | 6,270 | 36531693 |
| 451400 | Sep 4, 1996 | Sep 4, 1996 | Sonat Exploration Company -Tyler | Gregg | Bodenheim, G. A. #10 | 11,000 | 18331140 |
| 452028 | Aug 28, 1996 | Aug 28, 1996 | Sonat Exploration Company -Tyler | Panola | Briggs, W. F. #10C | 9,700 | 36532277 |
| 451932 | Aug 26, 1996 | Aug 26, 1996 | Sonat Exploration Company -Tyler | Newton | Blackstone A-86 #2H | 12,300 | 35130662 |
| 451932Amendment | Aug 26, 1996 | Aug 26, 1996 | Sonat Exploration Company -Tyler | Newton | Blackstone Unit A-86 #2H | 12,300 | 35130662 |
| 451932Amendment | Aug 26, 1996 | Aug 26, 1996 | Sonat Exploration Company -Tyler | Newton | Blackstone Unit A-86 #2H | 12,634 | 35130662 |
| 451822 | Aug 22, 1996 | Aug 22, 1996 | Sonat Exploration Company -Tyler | Newton | Blackstone Unit A-537 #1H | 12,500 | 35130661 |
| 451822Amendment | Aug 22, 1996 | Aug 22, 1996 | Sonat Exploration Company -Tyler | Newton | Blackstone Unit A-537 #1H | 12,500 | 35130661 |
| 451821 | Aug 22, 1996 | Aug 22, 1996 | Sonat Exploration Company -Tyler | Newton | Donner-Brown Unit A-639 #1H | 12,700 | 35130660 |
| 451821Amendment | Aug 22, 1996 | Aug 22, 1996 | Sonat Exploration Company -Tyler | Newton | Donner-Brown Unit A-639 #1H | 12,986 | 35130660 |
| 446899Amendment | Aug 22, 1996 | Aug 22, 1996 | Sonat Exploration Company -Tyler | Newton | Jones Unit A-423 #1H | 12,280 | 35130652 |
| 451501 | Aug 14, 1996 | Aug 14, 1996 | Sonat Exploration Company -Tyler | Red River | Cooper 'A' #3 | 5,700 | 38730486 |
| 450262 | Jul 11, 1996 | Jul 11, 1996 | Sonat Exploration Company -Tyler | Newton | Temple Unit, A-423 #2H | 12,500 | 35130658 |
| 450262Amendment | Jul 11, 1996 | Jul 11, 1996 | Sonat Exploration Company -Tyler | Newton | Temple Unit A-423 #2H | 12,500 | 35130658 |
| 449969 | Jul 2, 1996 | Jul 2, 1996 | Sonat Exploration Company -Tyler | Freestone | Blanton #1 | 15,500 | 16131371 |
| 449969Amendment | Jul 2, 1996 | Jul 2, 1996 | Sonat Exploration Company -Tyler | Freestone | Blanton #1 | 15,500 | 16131371 |
| 449823 | Jun 28, 1996 | Jun 28, 1996 | Sonat Exploration Company -Tyler | Newton | Blackstone Unit A-86 #1H | 12,500 | 35130655 |
| 449823Amendment | Jun 28, 1996 | Jun 28, 1996 | Sonat Exploration Company -Tyler | Newton | Blackstone Unit A-86 #1H | 12,500 | 35130655 |
| 449822 | Jun 28, 1996 | Jun 28, 1996 | Sonat Exploration Company -Tyler | Newton | Champion Int'l Unit A-1136 #1H | 12,500 | 35130656 |
| 449822Amendment | Jun 28, 1996 | Jun 28, 1996 | Sonat Exploration Company -Tyler | Newton | Champion Int'l Unit A-1136 #1H | 12,500 | 35130656 |
| 449821 | Jun 28, 1996 | Jun 28, 1996 | Sonat Exploration Company -Tyler | Red River | Parks #1 | 5,700 | 38730469 |
| 449820 | Jun 28, 1996 | Jun 28, 1996 | Sonat Exploration Company -Tyler | Red River | Duncan #1 | 5,700 | 38730468 |
| 449820Amendment | Jun 28, 1996 | Jun 28, 1996 | Sonat Exploration Company -Tyler | Red River | Duncan #1 | 5,700 | 38730468 |
| 449819 | Jun 28, 1996 | Jun 28, 1996 | Sonat Exploration Company -Tyler | Red River | McLean #1 | 5,700 | 38730467 |
| 448437 | May 22, 1996 | May 22, 1996 | Sonat Exploration Company -Tyler | Panola | Wylie, W. E. #1 | 6,690 | 36531801 |
| 448263 | May 17, 1996 | May 17, 1996 | Sonat Exploration Company -Tyler | Freestone | Ruby Middleton Gas Unit #4 | 9,900 | 16131361 |
| 448263Amendment | May 17, 1996 | May 17, 1996 | Sonat Exploration Company -Tyler | Freestone | Ruby Middleton Gas Unit #4 | 11,450 | 16131361 |
| 448216 | May 16, 1996 | May 16, 1996 | Sonat Exploration Company -Tyler | Leon | Scurlock #1 | 16,000 | 28931240 |
| 448216Amendment | May 16, 1996 | May 16, 1996 | Sonat Exploration Company -Tyler | Leon | Scurlock #1 | 16,000 | 28931240 |
| 448216Amendment | May 16, 1996 | May 16, 1996 | Sonat Exploration Company -Tyler | Leon | Scurlock #1 | 16,000 | 28931240 |
| 447837 | May 6, 1996 | May 6, 1996 | Sonat Exploration Company -Tyler | Freestone | Boatmen Trust Co. GU #1 #1 | 9,600 | 16131359 |
| 447245 | Apr 19, 1996 | Apr 19, 1996 | Sonat Exploration Company -Tyler | Freestone | Northen Gas Unit #5 | 9,900 | 16131356 |
| 447007 | Apr 15, 1996 | Apr 15, 1996 | Sonat Exploration Company -Tyler | Newton | Jones Unit A-533 #1H | 12,315 | 35130653 |
| 447007Amendment | Apr 15, 1996 | Apr 15, 1996 | Sonat Exploration Company -Tyler | Newton | Jones Unit A-533 #1H | 12,330 | 35130653 |
| 446899 | Apr 11, 1996 | Apr 11, 1996 | Sonat Exploration Company -Tyler | Newton | Jones Unit A-423 #1H | 12,233 | 35130652 |
| 446835 | Apr 10, 1996 | Apr 10, 1996 | Sonat Exploration Company -Tyler | Gregg | Hamby Heirs 2 #1 | 10,930 | 18330985 |
| 446538 | Apr 1, 1996 | Apr 1, 1996 | Sonat Exploration Company -Tyler | Freestone | Teague West Gas Unit #3 #4 | 9,800 | 16131355 |
| 445942 | Mar 15, 1996 | Mar 15, 1996 | Sonat Exploration Company -Tyler | Newton | Champion Int'l Unit A-411 #1H | 12,300 | 35130651 |
| 445942Amendment | Mar 15, 1996 | Mar 15, 1996 | Sonat Exploration Company -Tyler | Newton | Champion Int'l Unit A-411 #1H | 12,300 | 35130651 |
| 445870 | Mar 13, 1996 | Mar 13, 1996 | Sonat Exploration Company -Tyler | Shelby | Childress, J. W. #6 | 8,000 | 41930684 |
| 445870Amendment | Mar 13, 1996 | Mar 13, 1996 | Sonat Exploration Company -Tyler | Shelby | Childress, J. W. #6 | 8,500 | 41930684 |
| 445867 | Mar 13, 1996 | Mar 13, 1996 | Sonat Exploration Company -Tyler | Freestone | Reed GU #4 #4 | 12,200 | 16131354 |
| 445867Amendment | Mar 13, 1996 | Mar 13, 1996 | Sonat Exploration Company -Tyler | Freestone | Reed GU #4 #4 | 12,200 | 16131354 |
| 445867Amendment | Mar 13, 1996 | Mar 13, 1996 | Sonat Exploration Company -Tyler | Freestone | Reed GU #4 #4 | 12,200 | 16131354 |
| 445867Amendment | Mar 13, 1996 | Mar 13, 1996 | Sonat Exploration Company -Tyler | Freestone | Reed GU #4 #4 | 12,300 | 16131354 |