| 474718 | Mar 27, 1998 | Mar 27, 1998 | SWD, Inc. | Freestone #2D | 5,200 | 16131488 |
| 474777 | Mar 26, 1998 | Mar 26, 1998 | Sklar & Phillips Oil Co. | Vickers #1 | 11,500 | 16131489 |
| 474478 | Mar 18, 1998 | Mar 18, 1998 | Sonat Exploration Company -Tyler | Reed GU #4 #6 | 12,000 | 16131487 |
| 474464 | Mar 18, 1998 | Mar 18, 1998 | Anadarko Petroleum Corp. | McAdams "A" #2 | 13,000 | 16131486 |
| 474464 | Mar 18, 1998 | Mar 18, 1998 | Anadarko Petroleum Corp. | McAdams "A" #2 | 13,000 | 16131486 |
| 474349 | Mar 13, 1998 | Mar 13, 1998 | Marathon Oil Company | Owens "C" #3 | 11,800 | 16131485 |
| 474304 | Mar 12, 1998 | Mar 12, 1998 | Reynolds Drilling Co., Inc. | Senter, Leroy #1 | 11,000 | 16131484 |
| 470687 | Mar 11, 1998 | Mar 11, 1998 | Enserch Exploration, Inc | McWatters, T. H. #1L | 12,900 | 16130126 |
| 470687 | Mar 11, 1998 | Mar 11, 1998 | Cross Timbers Operating Company | McWatters, T. H. #1L | 12,900 | 16130126 |
| 470687 | Mar 11, 1998 | Mar 11, 1998 | Cross Timbers Operating Company | McWatters, T. H. #1 | 12,900 | 16130126 |
| 473972 | Mar 10, 1998 | Mar 10, 1998 | Valence Operating Company | Huffman "B" #2 | 9,000 | 16131111 |
| 473765 | Mar 6, 1998 | Mar 6, 1998 | Valence Operating Company | Reed "E" #4 | 13,000 | 16131483 |
| 473765 | Mar 6, 1998 | Mar 6, 1998 | Valence Operating Company | Reed "E" #4 | 12,900 | 16131483 |
| 473693 | Mar 6, 1998 | Mar 6, 1998 | Broughton Operating Corp. | T. E. Lane Unit #1 | 18,000 | 16131482 |
| 473524 | Feb 25, 1998 | Feb 25, 1998 | Apache Corporation | Bloxom, M. D. Etal #2 | 12,000 | 16131126 |
| 473508 | Feb 18, 1998 | Feb 18, 1998 | Sonat Exploration Company -Tyler | Sneed Gas Unit #7 | 12,000 | 16131481 |
| 472222 | Feb 12, 1998 | Feb 12, 1998 | Apache Corporation | M. D. Bloxom, et al Unit #1 | 11,985 | 16120033 |
| 473167 | Feb 9, 1998 | Feb 9, 1998 | Apache Corporation | English #3 | 9,000 | 16131480 |
| 473086 | Feb 6, 1998 | Feb 6, 1998 | Sonat Exploration Company -Tyler | Sneed Gas Unit #5 | 11,800 | 16131448 |
| 473024 | Feb 6, 1998 | Feb 6, 1998 | Anadarko Petroleum Corp. | Johnson "A" #2 | 13,000 | 16131479 |
| 473011 | Feb 5, 1998 | Feb 5, 1998 | Apache Corporation | Best #2 | 11,700 | 16131478 |
| 472955 | Feb 4, 1998 | Feb 4, 1998 | Sonat Exploration Company -Tyler | Northern Gas Unit #8 | 12,000 | 16131477 |
| 472954 | Feb 4, 1998 | Feb 4, 1998 | Sonat Exploration Company -Tyler | Northern Gas Unit #9 | 12,000 | 16131476 |
| 472876 | Feb 2, 1998 | Feb 2, 1998 | Sonat Exploration Company -Tyler | Williford, C. N. #3 | 12,000 | 16131475 |
| 472778 | Jan 29, 1998 | Jan 29, 1998 | Anadarko Petroleum Corp. | Black "A" #3 | 13,000 | 16131472 |
| 472615 | Jan 28, 1998 | Jan 28, 1998 | Miller Energy, Inc. | William C. Glazener G.U. #4 | 13,000 | 16131474 |
| 472247 | Jan 15, 1998 | Jan 15, 1998 | Broughton Operating Corp. | Shiloh #1 | 16,000 | 16131473 |
| 472247 | Jan 15, 1998 | Jan 15, 1998 | Broughton Operating Corp. | Shiloh #1 | 16,000 | 16131473 |
| 471929 | Jan 13, 1998 | Jan 13, 1998 | Apache Corporation | Faye B. Sneed Gas Unit #1 | 11,890 | 16130006 |
| 471470 | Jan 6, 1998 | Jan 6, 1998 | Apache Corporation | Dodge, Marie C. #1D | 11,900 | 16130013 |
| 471779 | Dec 31, 1997 | Dec 31, 1997 | Sonat Exploration Company -Tyler | Williford, C. N. #2 | 11,750 | 16131471 |
| 471231 | Dec 30, 1997 | Dec 30, 1997 | Fortson Oil Company | Carter, Mattie K. Trust #3 | 5,550 | 16131207 |
| 470931 | Dec 30, 1997 | Dec 30, 1997 | Apache Corporation | Best #1 | 11,700 | 16131465 |
| 471632 | Dec 29, 1997 | Dec 29, 1997 | Anadarko Petroleum Corp. | Black "A" #6 | 13,000 | 16131470 |
| 471591 | Dec 23, 1997 | Dec 23, 1997 | Williams, Clayton Energy, Inc. | Carroll Unit #1H | 10,000 | 16131469 |
| 471591 | Dec 23, 1997 | Dec 23, 1997 | Williams, Clayton Energy, Inc. | Carroll Unit #1H | 10,000 | 16131469 |
| 471570 | Dec 22, 1997 | Dec 22, 1997 | Apache Corporation | Moore, Alma #3H | 12,400 | 16131468 |
| 471570 | Dec 22, 1997 | Dec 22, 1997 | Anadarko Petroleum Corp. | Moore, Alma #3H | 12,400 | 16131468 |
| 471156 | Dec 12, 1997 | Dec 12, 1997 | Sonat Exploration Company -Tyler | Boatmen Trust Co. GU #2 #1 | 11,500 | 16131467 |
| 471000 | Dec 9, 1997 | Dec 9, 1997 | Anadarko Petroleum Corp. | Johnson "A" #1 | 12,900 | 16131466 |
| 471000 | Dec 9, 1997 | Dec 9, 1997 | Anadarko Petroleum Corp. | Johnson "A" #1 | 12,900 | 16131466 |
| 470602 | Nov 26, 1997 | Nov 26, 1997 | Sonat Exploration Company -Tyler | Kelly #1 | 15,000 | 16131464 |
| 469640 | Nov 26, 1997 | Nov 26, 1997 | Apache Corporation | Wieboldt #4 | 11,500 | 16131461 |
| 469641 | Nov 14, 1997 | Nov 14, 1997 | Apache Corporation | Neal, Glaydene #3 | 11,850 | 16131462 |
| 469641 | Nov 14, 1997 | Nov 14, 1997 | Apache Corporation | Neal, Glaydene #3 | 11,850 | 16131462 |
| 469945 | Nov 12, 1997 | Nov 12, 1997 | Anadarko Petroleum Corp. | McAdams "A" #1 | 13,000 | 16131463 |
| 469945 | Nov 12, 1997 | Nov 12, 1997 | Anadarko Petroleum Corp. | McAdams "A" #1 | 13,000 | 16131463 |
| 469639 | Nov 12, 1997 | Nov 12, 1997 | Apache Corporation | Arco Fee #4 | 11,850 | 16131460 |
| 469639 | Nov 12, 1997 | Nov 12, 1997 | Apache Corporation | Arco Fee #4 | 11,850 | 16131460 |
| 468797 | Nov 4, 1997 | Nov 4, 1997 | Kaiser-Francis Oil Company | Hullum Heirs Gas Unit #2 | 12,474 | 16130392 |
| 469560 | Nov 3, 1997 | Nov 3, 1997 | Miller Energy, Inc. | William C. Glazener Gas Unit #3 | 13,100 | 16131459 |
| 468402 | Oct 30, 1997 | Oct 30, 1997 | BRG Petroleum, Inc. | E. Jones Gas Unit No. 1 #3 | 13,100 | 16131453 |
| 468402 | Oct 30, 1997 | Oct 30, 1997 | BRG Petroleum, Inc. | E. Jones Gas Unit No. 1 #3 | 13,000 | 16131453 |
| 469122 | Oct 22, 1997 | Oct 22, 1997 | Anadarko Petroleum Corp. | Black "A" #5 | 9,300 | 16131458 |
| 469122 | Oct 22, 1997 | Oct 22, 1997 | Anadarko Petroleum Corp. | Black #A 5 | 9,512 | 16131458 |
| 469019 | Oct 20, 1997 | Oct 20, 1997 | Sonat Exploration Company -Tyler | McGrew #1 | 16,000 | 16131457 |
| 469019 | Oct 20, 1997 | Oct 20, 1997 | Sonat Exploration Company -Tyler | McGrew #1 | 16,000 | 16131457 |
| 468470 | Oct 17, 1997 | Oct 17, 1997 | Hunt Oil Company | Thornton, Sue #2 | 12,500 | 16131454 |
| 468470 | Oct 17, 1997 | Oct 17, 1997 | Hunt Oil Company | Thornton, Sue #2 | 11,999 | 16131454 |
| 468498 | Oct 13, 1997 | Oct 13, 1997 | Samedan Oil Corporation | Rogers Gas Unit #3 | 12,200 | 16131456 |
| 468452 | Oct 10, 1997 | Oct 10, 1997 | Sklar & Phillips Oil Co. | Simmons #2 | 8,200 | 16131455 |
| 468168 | Oct 10, 1997 | Oct 10, 1997 | Apache Corporation | Bryant Gas Unit #1D | 11,729 | 16120029 |
| 467747 | Sep 26, 1997 | Sep 26, 1997 | Brown, George R. Partnership,the | Hartley #2 | 12,578 | 16131377 |
| 468045 | Sep 25, 1997 | Sep 25, 1997 | Anadarko Petroleum Corp. | Black "A" #4 | 12,900 | 16131452 |
| 468045 | Sep 25, 1997 | Sep 25, 1997 | Anadarko Petroleum Corp. | Black "A" #4 | 12,900 | 16131452 |
| 467854 | Sep 22, 1997 | Sep 22, 1997 | Anadarko Petroleum Corp. | Ferrell "A" #2 | 9,800 | 16131413 |
| 467333 | Sep 15, 1997 | Sep 15, 1997 | Apache Corporation | Wieboldt, Elizabeth #1 | 12,381 | 16130567 |
| 467332 | Sep 15, 1997 | Sep 15, 1997 | Apache Corporation | Wieboldt, Elizabeth #2 | 13,500 | 16131071 |
| 467216 | Sep 11, 1997 | Sep 11, 1997 | Apache Corporation | Neal, Glaydene #1 | 12,424 | 16130439 |
| 466959 | Sep 10, 1997 | Sep 10, 1997 | Marathon Oil Company | Stewards Mill Gas Unit #4 #2 | 11,850 | 16130794 |
| 467089 | Sep 3, 1997 | Sep 3, 1997 | BRG Petroleum, Inc. | H.b.pyle Gas Unit NO 1-A #2 | 13,000 | 16131450 |
| 467046 | Sep 2, 1997 | Sep 2, 1997 | Sonat Exploration Company -Tyler | Adkins #1 | 15,200 | 16131451 |
| 467046 | Sep 2, 1997 | Sep 2, 1997 | Sonat Exploration Company -Tyler | Adkins #1 | 15,200 | 16131451 |
| 466903 | Aug 29, 1997 | Aug 29, 1997 | Lacy, R., Inc. | Richardson, Letha M. #2 | 9,900 | 16131449 |
| 466113 | Aug 29, 1997 | Aug 29, 1997 | Texaco E & P Inc. | Ham Gas Unit #7F | 10,290 | 16131360 |
| 466113 | Aug 29, 1997 | Aug 29, 1997 | Texaco E & P Inc. | Ham Gas Unit #7F | 10,290 | 16131360 |
| 466348 | Aug 15, 1997 | Aug 15, 1997 | Sonat Exploration Company -Tyler | Reed GU #4 #4 | 12,300 | 16131354 |
| 466154 | Aug 12, 1997 | Aug 12, 1997 | Sonat Exploration Company -Tyler | Sneed Gas Unit #5 | 12,000 | 16131448 |
| 466154 | Aug 12, 1997 | Aug 12, 1997 | Sonat Exploration Company -Tyler | Sneed Gas Unit #5 | 11,800 | 16131448 |
| 464884 | Aug 11, 1997 | Aug 11, 1997 | Enserch Exploration, Inc | Pollard, J. M. #6 | 13,050 | 16131250 |
| 465981 | Aug 7, 1997 | Aug 7, 1997 | Sonat Exploration Company -Tyler | Northen Gas Unit #7 | 12,000 | 16131447 |
| 465981 | Aug 7, 1997 | Aug 7, 1997 | Sonat Exploration Company -Tyler | Northen Gas Unit #7 | 12,000 | 16131447 |
| 465981 | Aug 7, 1997 | Aug 7, 1997 | Sonat Exploration Company -Tyler | Northen Gas Unit #7 | 12,000 | 16131447 |
| 465834 | Aug 5, 1997 | Aug 5, 1997 | Anadarko Petroleum Corp. | Black "A" #2 | 12,900 | 16131446 |
| 465688 | Aug 5, 1997 | Aug 5, 1997 | Stroud Petroleum, Inc. | Utley #1 | 12,200 | 16131445 |
| 465688 | Aug 5, 1997 | Aug 5, 1997 | Stroud Petroleum, Inc. | Utley #1 | 12,200 | 16131445 |
| 465401 | Aug 4, 1997 | Aug 4, 1997 | Samedan Oil Corporation | Irvin Gas Unit #3 | 11,200 | 16131444 |
| 465357 | Jul 24, 1997 | Jul 24, 1997 | Marathon Oil Company | Teague Gas Unit #4 #2 | 11,550 | 16130622 |
| 465318 | Jul 23, 1997 | Jul 23, 1997 | Sonat Exploration Company -Tyler | Ruby Middleton Gas Unit #5 | 11,450 | 16131443 |
| 464881 | Jul 18, 1997 | Jul 18, 1997 | Samedan Oil Corporation | Henderson-Lott #2 | 11,770 | 16130708 |
| 464888 | Jul 14, 1997 | Jul 14, 1997 | BRG Petroleum, Inc. | Hill Ranch #1 | 11,500 | 16131442 |
| 464885 | Jul 14, 1997 | Jul 14, 1997 | Sklar & Phillips Oil Co. | Simmons #1 | 8,200 | 16131441 |
| 464265 | Jul 9, 1997 | Jul 9, 1997 | Apache Corporation | English #2 | 12,600 | 16131438 |
| 464531 | Jul 3, 1997 | Jul 3, 1997 | American Cometra, Inc. | Wood Unit #1 | 18,000 | 16131440 |
| 464530 | Jul 3, 1997 | Jul 3, 1997 | American Cometra, Inc. | Braveheart Unit #1 | 18,000 | 16131439 |
| 464179 | Jul 1, 1997 | Jul 1, 1997 | Apache Corporation | Moody Estate #2 | 12,800 | 16131436 |
| 464180 | Jun 30, 1997 | Jun 30, 1997 | BRG Petroleum, Inc. | M. L. Watson GU #1 #5 | 11,400 | 16131437 |
| 464211 | Jun 26, 1997 | Jun 26, 1997 | American Cometra, Inc. | Frost #2 | 16,000 | 16131370 |
| 464148 | Jun 26, 1997 | Jun 26, 1997 | Miller Energy, Inc. | William C. Glazener G. U. #2 | 9,500 | 16131435 |
| 463146 | Jun 23, 1997 | Jun 23, 1997 | Samedan Oil Corporation | Clark #2 | 12,500 | 16131432 |