| 494504 | May 3, 2000 | May 3, 2000 | Simray Oil & Gas, Inc. | Schirmer, Henry #18 | 5,509 | 39132156 |
| 494451 | May 3, 2000 | May 3, 2000 | Simray Oil & Gas, Inc. | Schirmer, Henry #12 | 6,828 | 39103597 |
| 494630 | May 2, 2000 | May 2, 2000 | C & E Operating, Inc. | Wood #2 | 6,500 | 39132346 |
| 494630Amendment | May 2, 2000 | May 2, 2000 | C & E Operating, Inc. | Wood #2 | 6,500 | 39132346 |
| 494379 | May 1, 2000 | May 1, 2000 | Copano Gas Unit | Copano Gas Unit #25 | 4,540 | 39101705 |
| 494488 | Apr 27, 2000 | Apr 27, 2000 | Bishop Petroleum Inc. | O'Connor "E" #1 | 7,000 | 39132343 |
| 494488Amendment | Apr 27, 2000 | Apr 27, 2000 | Bishop Petroleum Inc. | O'Connor "E" #1 | 6,263 | 39132343 |
| 494378 | Apr 26, 2000 | Apr 26, 2000 | Gilster, Ralph R. III | BP #23 | 4,800 | 39132345 |
| 494377 | Apr 26, 2000 | Apr 26, 2000 | Gilster, Ralph R. III | BP #24 | 4,800 | 39132344 |
| 494122 | Apr 14, 2000 | Apr 14, 2000 | Bishop Petroleum Inc. | O'Connor "B" #2 | 7,000 | 39132342 |
| 494120 | Apr 14, 2000 | Apr 14, 2000 | Bishop Petroleum Inc. | O'Connor "C" #1 | 7,000 | 39132341 |
| 493898 | Apr 10, 2000 | Apr 10, 2000 | Saxet Energy, Ltd. | Hynes, J. a Mineral Trust #1 | 8,000 | 39132340 |
| 493759 | Apr 10, 2000 | Apr 10, 2000 | T - C Oil Company | O'Connor -H- #21 | 2,390 | 39100036 |
| 493553 | Mar 28, 2000 | Mar 28, 2000 | Pennzenergy Exp. & Prod., L.L.C. | Lambert, M. F. #149 | 4,400 | 39131434 |
| 493418 | Mar 28, 2000 | Mar 28, 2000 | C & E Operating, Inc. | Rooke, F. B. 4 #5 | 7,000 | 39132339 |
| 490344 | Mar 24, 2000 | Mar 24, 2000 | A T M Corporation | Trevino #1 | 6,469 | 39102327 |
| 493277 | Mar 22, 2000 | Mar 22, 2000 | Quintana Pet. Corp. | Williams, Maude et al 'A' #D126 | 6,110 | 39131770 |
| 493197 | Mar 22, 2000 | Mar 22, 2000 | Chilton Energy | O'Brien, J. J. #6 | 2,430 | 39130376 |
| 493191 | Mar 20, 2000 | Mar 20, 2000 | T - C Oil Company | O'Connor -D- #39 | 4,800 | 39132338 |
| 493146 | Mar 17, 2000 | Mar 17, 2000 | C & E Operating, Inc. | Rooke, F. B. 4 #4 | 7,400 | 39132337 |
| 494733 | Mar 16, 2000 | Mar 16, 2000 | Quintana Pet. Corp. | Williams, Maude et al 'A' #13 | 5,935 | 39100473 |
| 493027 | Mar 16, 2000 | Mar 16, 2000 | Quintana Pet. Corp. | Williams, Maude et al 'A' #D 23 | 6,200 | 39100212 |
| 492747 | Mar 15, 2000 | Mar 15, 2000 | Cummins & Walker Oil Co., Inc. | Wood, L. Est. #9 | 7,200 | 39132336 |
| 492751 | Mar 10, 2000 | Mar 10, 2000 | Chilton Energy | Heard, J. F. B. - Tex #9 | 4,260 | 39100898 |
| 492531 | Mar 3, 2000 | Mar 3, 2000 | Quintana Pet. Corp. | Williams, Maude et al 'A' #45 | 5,912 | 39100496 |
| 492530 | Mar 3, 2000 | Mar 3, 2000 | Quintana Pet. Corp. | Williams, Maude et al 'A' #46 | 5,916 | 39100476 |
| 492529 | Mar 3, 2000 | Mar 3, 2000 | Quintana Pet. Corp. | Williams, Maude et al 'A' #47 | 5,925 | 39100477 |
| 492528 | Mar 3, 2000 | Mar 3, 2000 | Quintana Pet. Corp. | Williams, Maude et al 'A' #49 | 5,918 | 39100479 |
| 492527 | Mar 3, 2000 | Mar 3, 2000 | Quintana Pet. Corp. | Williams, Maude et al 'A' #51A | 5,918 | 39100481 |
| 492526 | Mar 3, 2000 | Mar 3, 2000 | Quintana Pet. Corp. | Williams, Maude et al 'A' #55 | 5,916 | 39100484 |
| 492525 | Mar 3, 2000 | Mar 3, 2000 | Quintana Pet. Corp. | Williams, Maude et al 'A' #56 | 5,910 | 39100452 |
| 492524 | Mar 3, 2000 | Mar 3, 2000 | Quintana Pet. Corp. | Williams, Maude et al 'A' #65 | 5,917 | 39100487 |
| 492523 | Mar 3, 2000 | Mar 3, 2000 | Quintana Pet. Corp. | Williams, Maude et al 'A' #71 | 5,911 | 39100499 |
| 492541 | Feb 29, 2000 | Feb 29, 2000 | Cummins & Walker Oil Co., Inc. | Braman, D. H. #1 | 7,600 | 39132335 |
| 492432 | Feb 29, 2000 | Feb 29, 2000 | Quintana Pet. Corp. | Williams, Maude et al 'A' #D 15 | 5,850 | 39100278 |
| 492420 | Feb 25, 2000 | Feb 25, 2000 | C & E Operating, Inc. | Thomson-Barrow Corp "C" #19 | 6,500 | 39132334 |
| 492198 | Feb 25, 2000 | Feb 25, 2000 | Quintana Pet. Corp. | O'Connor, Thomas "C" #87 | 6,152 | 39131839 |
| 490796 | Feb 22, 2000 | Feb 22, 2000 | CTR Petroleum, Inc. | Heard-State Unit #2 #204 | 3,200 | 39130462 |
| 492109 | Feb 17, 2000 | Feb 17, 2000 | Quintana Pet. Corp. | Heard, Mrs. Fannie V. W. #48 | 5,925 | 39100570 |
| 492011 | Feb 16, 2000 | Feb 16, 2000 | Gilster, Ralph R. III | BP #19 | 4,800 | 39132331 |
| 492010 | Feb 16, 2000 | Feb 16, 2000 | Gilster, Ralph R. III | BP #18 | 4,800 | 39132330 |
| 492009 | Feb 16, 2000 | Feb 16, 2000 | Gilster, Ralph R. III | BP #21 | 6,100 | 39132332 |
| 492008 | Feb 16, 2000 | Feb 16, 2000 | Gilster, Ralph R. III | BP #20 | 6,100 | 39132333 |
| 491315 | Jan 26, 2000 | Jan 26, 2000 | C & E Operating, Inc. | Rooke, F. B. 4 #3 | 7,200 | 39132327 |
| 491315Amendment | Jan 26, 2000 | Jan 26, 2000 | C & E Operating, Inc. | Rooke, F. B. 4 #3 | 7,200 | 39132327 |
| 491307 | Jan 26, 2000 | Jan 26, 2000 | Copano Gas Unit | Copano Gas Unit #24 | 5,720 | 39101605 |
| 490582 | Jan 26, 2000 | Jan 26, 2000 | Quintana Pet. Corp. | Lake Pasture (FS-550)SAND Unit #1125 | 5,990 | 39131775 |
| 490570 | Jan 26, 2000 | Jan 26, 2000 | Quintana Pet. Corp. | Reilly, Annie et Vir #9 | 6,000 | 39100770 |
| 490569 | Jan 26, 2000 | Jan 26, 2000 | Quintana Pet. Corp. | O'Connor, Thomas 'C' #54 | 5,912 | 39101574 |
| 491393 | Jan 25, 2000 | Jan 25, 2000 | Cummins & Walker Oil Co., Inc. | Fox, W. J. Est #1 | 6,000 | 39132328 |
| 491393Amendment | Jan 25, 2000 | Jan 25, 2000 | Cummins & Walker Oil Co., Inc. | Fox, W. J. Est #1 | 6,569 | 39132328 |
| 491392 | Jan 25, 2000 | Jan 25, 2000 | Cummins & Walker Oil Co., Inc. | Scanio, Miguelita #1 | 7,600 | 39132329 |
| 491392Amendment | Jan 25, 2000 | Jan 25, 2000 | Cummins & Walker Oil Co., Inc. | Scanio, Miguelita #1 | 7,600 | 39132329 |
| 491142 | Jan 18, 2000 | Jan 18, 2000 | Laroco LLP | Rooke, B. D. #C 6 | 5,500 | 39132326 |
| 490953 | Jan 10, 2000 | Jan 10, 2000 | Laroco LLP | Rooke, B. D. #C 7 | 6,500 | 39132325 |
| 490809 | Jan 5, 2000 | Jan 5, 2000 | C & E Operating, Inc. | Thomson-Barrow Corp. C #17 | 6,200 | 39132323 |
| 490808 | Jan 5, 2000 | Jan 5, 2000 | C & E Operating, Inc. | Rooke, F. B. 4 #2 | 7,500 | 39132324 |
| 490571 | Dec 23, 1999 | Dec 23, 1999 | Quintana Pet. Corp. | Heard, Fannie V. W. Mrs. #10 | 5,927 | 39100679 |
| 490434 | Dec 16, 1999 | Dec 16, 1999 | Bishop Petroleum Inc. | O'Connor "B" #1 | 7,000 | 39132322 |
| 489330 | Dec 10, 1999 | Dec 10, 1999 | Quintana Pet. Corp. | O'Connor, Tom (5800 SD) FLD Unit #Q218 | 5,911 | 39101168 |
| 490135 | Dec 8, 1999 | Dec 8, 1999 | Cummins & Walker Oil Co., Inc. | Wood, L. Est 'C' #6 | 7,200 | 39132321 |
| 490135Amendment | Dec 8, 1999 | Dec 8, 1999 | Cummins & Walker Oil Co., Inc. | Wood, L. Est 'C' #6 | 7,200 | 39132321 |
| 489987 | Dec 7, 1999 | Dec 7, 1999 | Maran Oil Company | Anderson, Mary Alice et al "A" #10 | 3,570 | 39130223 |
| 489730 | Dec 1, 1999 | Dec 1, 1999 | Chilton Energy | O'Brien, J. M. a (AM) #1 | 3,000 | 39100883 |
| 489757 | Nov 23, 1999 | Nov 23, 1999 | Anderson Oil Ltd | Kentucky-Fagan #5 | 6,100 | 39132202 |
| 489756 | Nov 23, 1999 | Nov 23, 1999 | Anderson Oil Ltd | Gant-Stone #2R | 3,400 | 39132174 |
| 488480 | Nov 23, 1999 | Nov 23, 1999 | Emerald Oil & Gas LC | O'Connor, Mary Ellen #B 2 | 6,000 | 39101942 |
| 489751 | Nov 22, 1999 | Nov 22, 1999 | Quintana Pet. Corp. | Williams, Maude et al 'A' #12A | 5,923 | 39100472 |
| 489554 | Nov 22, 1999 | Nov 22, 1999 | Quintana Pet. Corp. | Heard, Mrs. Fannie V. W. #87 | 4,500 | 39130047 |
| 489707 | Nov 19, 1999 | Nov 19, 1999 | Wiser Oil Company, The | Roche #7 | 7,500 | 39132320 |
| 489707Amendment | Nov 19, 1999 | Nov 19, 1999 | Wiser Oil Company, The | Roche #7 | 7,400 | 39132320 |
| 489706 | Nov 19, 1999 | Nov 19, 1999 | Wiser Oil Company, The | Roche #6 | 8,500 | 39132319 |
| 489706Amendment | Nov 19, 1999 | Nov 19, 1999 | Wiser Oil Company, The | Roche #6 | 8,500 | 39132319 |
| 489522 | Nov 19, 1999 | Nov 19, 1999 | Cummins & Walker Oil Co., Inc. | L. Wood Est. #2 | 6,000 | 39132263 |
| 489599 | Nov 17, 1999 | Nov 17, 1999 | Bandera Exploration Company | Fagan #1 | 3,000 | 39132318 |
| 489599Amendment | Nov 17, 1999 | Nov 17, 1999 | Bandera Exploration Company | Fagan #1 | 3,000 | 39132318 |
| 489557 | Nov 17, 1999 | Nov 17, 1999 | Quintana Pet. Corp. | Reilly, Annie et Vir #19 | 6,100 | 39131900 |
| 489377 | Nov 16, 1999 | Nov 16, 1999 | C & E Operating, Inc. | Rooke, F. B. 7 #4 | 7,300 | 39132315 |
| 489329 | Nov 16, 1999 | Nov 16, 1999 | Quintana Pet. Corp. | O'Connor, Thomas 'C' #58 | 4,500 | 39101139 |
| 489329Amendment | Nov 16, 1999 | Nov 16, 1999 | Quintana Pet. Corp. | O'Connor, Thomas 'C' #58 | 4,500 | 39101139 |
| 489500 | Nov 15, 1999 | Nov 15, 1999 | Neumin Production Company | Jacks et Al #1 | 7,500 | 39132317 |
| 489446 | Nov 15, 1999 | Nov 15, 1999 | C & E Operating, Inc. | Swyka #5 | 6,100 | 39132316 |
| 489085 | Nov 4, 1999 | Nov 4, 1999 | Quintana Pet. Corp. | Heard, Clement #26 | 6,104 | 39131617 |
| 488887 | Oct 27, 1999 | Oct 27, 1999 | Christopher Oil & Gas Inc | Schirmer "C" #2 | 6,410 | 39132294 |
| 488845 | Oct 27, 1999 | Oct 27, 1999 | Gilster, Ralph R. III | BP #17 | 4,800 | 39132314 |
| 488754 | Oct 22, 1999 | Oct 22, 1999 | Laroco LLP | Schubert #1 | 7,500 | 39132312 |
| 488753 | Oct 22, 1999 | Oct 22, 1999 | Laroco LLP | La Rosa Unit #46 | 6,300 | 39132313 |
| 488721 | Oct 22, 1999 | Oct 22, 1999 | T - C Oil Company | O'Connor, Dennis et al -G- #13 | 4,800 | 39132311 |
| 488726 | Oct 21, 1999 | Oct 21, 1999 | Wiser Oil Company, The | Roche #5 | 6,600 | 39132310 |
| 488726Amendment | Oct 21, 1999 | Oct 21, 1999 | Wiser Oil Company, The | Roche #5 | 5,814 | 39132310 |
| 488724 | Oct 21, 1999 | Oct 21, 1999 | Wiser Oil Company, The | Roche #4 | 7,100 | 39132309 |
| 488724Amendment | Oct 21, 1999 | Oct 21, 1999 | Wiser Oil Company, The | Roche #4 | 7,156 | 39132309 |
| 487907 | Oct 20, 1999 | Oct 20, 1999 | Quintana Pet. Corp. | Williams, Maude et al 'A' #59 | 5,925 | 39130171 |
| 488537 | Oct 19, 1999 | Oct 19, 1999 | Quintana Pet. Corp. | Williams, Maude et al 'A' #D 20 | 6,163 | 39100211 |
| 488533 | Oct 18, 1999 | Oct 18, 1999 | C & E Operating, Inc. | Rooke, F. B. 8 #1 | 7,000 | 39132308 |
| 488505 | Oct 18, 1999 | Oct 18, 1999 | Gilster, Ralph R. III | BP #1 | 7,600 | 39132192 |
| 488482 | Oct 14, 1999 | Oct 14, 1999 | Emerald Oil & Gas LC | O'Connor, Mary Ellen #B 5 | 6,025 | 39101936 |
| 488376 | Oct 13, 1999 | Oct 13, 1999 | T - C Oil Company | O'Connor -H- #23 | 2,485 | 39103763 |
| 488148 | Oct 12, 1999 | Oct 12, 1999 | Chilton Energy | Heard-Tex #2 | 4,296 | 39100891 |
| 488190 | Oct 11, 1999 | Oct 11, 1999 | Quintana Pet. Corp. | Heard, Claude E. #19 | 5,925 | 39100650 |