| 602886Amendment | Jul 1, 2005 | Jul 1, 2005 | Reichmann Petroleum Corp. | Wilson Hancock "C" #1HH | 10,000 | 25130448 |
| 602870 | Jul 1, 2005 | Jul 1, 2005 | Sullivan, Hollis R. Inc. | Brockette #1HH | 9,000 | 25130447 |
| 602724 | Jul 1, 2005 | Jul 1, 2005 | XTO Energy Inc. | Harper Cattle #C 1HH | 10,000 | 25130445 |
| 602851 | Jun 30, 2005 | Jun 30, 2005 | Devon Energy Production Co, L.P. | Whitehead, Inez #1H | 9,000 | 25130446 |
| 602712 | Jun 29, 2005 | Jun 29, 2005 | Reichmann Petroleum Corp. | Moore Unit B #2HH | 10,000 | 25130444 |
| 602691 | Jun 29, 2005 | Jun 29, 2005 | J-W Operating Co. | Ambrose #1HH | 13,000 | 25130442 |
| 602691Amendment | Jun 29, 2005 | Jun 29, 2005 | J-W Operating Co. | Ambrose #1HH | 10,308 | 25130442 |
| 602695 | Jun 28, 2005 | Jun 28, 2005 | EOG Resources, Inc. | Lowrance Unit #1HH | 8,700 | 25130443 |
| 602487 | Jun 23, 2005 | Jun 23, 2005 | Hallwood Petroleum, LLC. | Mayfield 361 #2 | 6,685 | 25130157 |
| 602398 | Jun 22, 2005 | Jun 22, 2005 | Chesapeake Operating, Inc. | Smith, R. #2HH | 9,000 | 25130441 |
| 602398Amendment | Jun 22, 2005 | Jun 22, 2005 | Chesapeake Operating, Inc. | Smith, R. #2HH | 9,000 | 25130441 |
| 602244 | Jun 22, 2005 | Jun 22, 2005 | EOG Resources, Inc. | Ruzicka Unit #1HH | 7,800 | 25130437 |
| 602306 | Jun 21, 2005 | Jun 21, 2005 | Stroud Energy, Ltd. | Delutis #1HH | 8,000 | 25130440 |
| 556111Amendment | Jun 21, 2005 | Jun 21, 2005 | EOG Resources, Inc. | King #3 HH | 7,100 | 25130307 |
| 602260 | Jun 20, 2005 | Jun 20, 2005 | EOG Resources, Inc. | Jimmy Faubus #1HH | 7,250 | 25130438 |
| 602140 | Jun 16, 2005 | Jun 16, 2005 | Williams Prod. Gulf Coast, L.P. | Brown, Bill #1H | 8,220 | 25130436 |
| 602108 | Jun 16, 2005 | Jun 16, 2005 | Devon Energy Production Co, L.P. | Fiscus, Jerry #1H | 9,000 | 25130435 |
| 602107 | Jun 16, 2005 | Jun 16, 2005 | Devon Energy Production Co, L.P. | McClanahan #1H | 9,000 | 25130434 |
| 602082 | Jun 15, 2005 | Jun 15, 2005 | Sundance Resources, Inc. | Baldwin #1HH | 7,500 | 25130433 |
| 602049 | Jun 15, 2005 | Jun 15, 2005 | EOG Resources, Inc. | Coppenger Unit #1HH | 7,700 | 25130432 |
| 602017 | Jun 15, 2005 | Jun 15, 2005 | EOG Resources, Inc. | Kolar Unit #1HH | 8,000 | 25130431 |
| 601962 | Jun 13, 2005 | Jun 13, 2005 | Hallwood Petroleum, LLC. | Holibaugh #2HH | 7,100 | 25130430 |
| 601954 | Jun 13, 2005 | Jun 13, 2005 | Chesapeake Operating, Inc. | Mize Family #11HH | 13,000 | 25130429 |
| 601954Amendment | Jun 13, 2005 | Jun 13, 2005 | Chesapeake Operating, Inc. | Mize Family #11HH | 13,000 | 25130429 |
| 601856 | Jun 10, 2005 | Jun 10, 2005 | EOG Resources, Inc. | Mustang Creek SWD #1 | 10,000 | 25130428 |
| 601856Amendment | Jun 10, 2005 | Jun 10, 2005 | EOG Resources, Inc. | Mustang Creek SWD #1 | 10,000 | 25130428 |
| 601728 | Jun 10, 2005 | Jun 10, 2005 | Hallwood Petroleum, LLC. | Mayfield 361 #3HH | 7,100 | 25130427 |
| 601666 | Jun 7, 2005 | Jun 7, 2005 | Hallwood Petroleum, LLC. | West Lake #4HH | 7,100 | 25130423 |
| 601666Amendment | Jun 7, 2005 | Jun 7, 2005 | Hallwood Petroleum, LLC. | West Lake #4HH | 7,100 | 25130423 |
| 601660 | Jun 7, 2005 | Jun 7, 2005 | EOG Resources, Inc. | River Hills #6HH | 7,350 | 25130425 |
| 601660Amendment | Jun 7, 2005 | Jun 7, 2005 | EOG Resources, Inc. | River Hills #6HH | 7,350 | 25130425 |
| 601659 | Jun 7, 2005 | Jun 7, 2005 | EOG Resources, Inc. | River Hills #5HH | 7,350 | 25130426 |
| 559198Amendment | Jun 7, 2005 | Jun 7, 2005 | EOG Resources, Inc. | Stevenson B Unit #1 HH | 7,700 | 25130361 |
| 601670 | Jun 6, 2005 | Jun 6, 2005 | Reichmann Petroleum Corp. | Moore Unit A #1HH | 11,000 | 25130424 |
| 601580 | Jun 3, 2005 | Jun 3, 2005 | Hallwood Petroleum, LLC. | Cobb #1HH | 7,100 | 25130422 |
| 601566 | Jun 3, 2005 | Jun 3, 2005 | Chesapeake Operating, Inc. | Mize Family #15HH | 13,000 | 25130421 |
| 601566Amendment | Jun 3, 2005 | Jun 3, 2005 | Chesapeake Operating, Inc. | Mize Family #15HH | 13,000 | 25130421 |
| 600428 | Jun 3, 2005 | Jun 3, 2005 | EOG Resources, Inc. | Geren #6HH | 7,700 | 25130396 |
| 600427 | Jun 3, 2005 | Jun 3, 2005 | EOG Resources, Inc. | Geren #7HH | 7,700 | 25130398 |
| 601432 | May 31, 2005 | May 31, 2005 | Chesapeake Operating, Inc. | Mize Family #19H | 13,000 | 25130420 |
| 601373 | May 31, 2005 | May 31, 2005 | Devon Energy Production Co, L.P. | Crow, Willie #1H | 9,000 | 25130419 |
| 601236 | May 26, 2005 | May 26, 2005 | Four Sevens Operating Co., Ltd. | Parker #1HH | 9,000 | 25130418 |
| 601203 | May 26, 2005 | May 26, 2005 | Hallwood Petroleum, LLC. | West Lake #1HH | 7,100 | 25130417 |
| 601203Amendment | May 26, 2005 | May 26, 2005 | Hallwood Petroleum, LLC. | West Lake #1HH | 7,100 | 25130417 |
| 601209 | May 25, 2005 | May 25, 2005 | Hallwood Petroleum, LLC. | West Lake #2HH | 7,100 | 25130416 |
| 601209Amendment | May 25, 2005 | May 25, 2005 | Hallwood Petroleum, LLC. | West Lake #2HH | 7,100 | 25130416 |
| 601209Amendment | May 25, 2005 | May 25, 2005 | Chesapeake Operating, Inc. | West Lake #2HH | 9,000 | 25130416 |
| 601083 | May 24, 2005 | May 24, 2005 | Hallwood Petroleum, LLC. | Padon #1HH | 7,100 | 25130415 |
| 601078 | May 24, 2005 | May 24, 2005 | EOG Resources, Inc. | Richard Crider Unit #2 HH | 7,700 | 25130414 |
| 601045 | May 24, 2005 | May 24, 2005 | EOG Resources, Inc. | Brindley #1HH | 9,300 | 25130413 |
| 600983 | May 20, 2005 | May 20, 2005 | Four Sevens Operating Co., Ltd. | Hyder #2H | 9,000 | 25130410 |
| 600983Amendment | May 20, 2005 | May 20, 2005 | Chesapeake Operating, Inc. | Hyder #2HH | 9,000 | 25130410 |
| 600981 | May 20, 2005 | May 20, 2005 | EOG Resources, Inc. | Teich "C" Unit #2HH | 7,700 | 25130411 |
| 600968 | May 20, 2005 | May 20, 2005 | EOG Resources, Inc. | Sweeney Unit #1HH | 9,500 | 25130412 |
| 600968Amendment | May 20, 2005 | May 20, 2005 | EOG Resources, Inc. | Sweeney Unit #1HH | 9,500 | 25130412 |
| 600968Amendment | May 20, 2005 | May 20, 2005 | EOG Resources, Inc. | Sweeney Unit #1HH | 9,500 | 25130412 |
| 600920 | May 20, 2005 | May 20, 2005 | EOG Resources, Inc. | Coppenger Unit #2HH | 7,700 | 25130408 |
| 600920Amendment | May 20, 2005 | May 20, 2005 | EOG Resources, Inc. | Coppenger Unit #2 HH | 7,700 | 25130408 |
| 600920Amendment | May 20, 2005 | May 20, 2005 | EOG Resources, Inc. | Coppenger Unit #2HH | 7,700 | 25130408 |
| 600919 | May 20, 2005 | May 20, 2005 | EOG Resources, Inc. | Schultz "a" Unit #1HH | 7,300 | 25130409 |
| 600887 | May 19, 2005 | May 19, 2005 | Williams Prod. Gulf Coast, L.P. | Russell #1H | 10,770 | 25130407 |
| 600832 | May 18, 2005 | May 18, 2005 | Hallwood Petroleum, LLC. | Robinson Branch #2HH | 7,100 | 25130406 |
| 600832Amendment | May 18, 2005 | May 18, 2005 | Hallwood Petroleum, LLC. | Robinson Branch #2 HH | 7,100 | 25130406 |
| 600832Amendment | May 18, 2005 | May 18, 2005 | Hallwood Petroleum, LLC. | Robinson Branch #2HH | 7,100 | 25130406 |
| 600832Amendment | May 18, 2005 | May 18, 2005 | Chesapeake Operating, Inc. | Robinson Branch #2HH | 7,100 | 25130406 |
| 600584 | May 13, 2005 | May 13, 2005 | Devon Energy Production Co, L.P. | Trulove, Larry #1H | 9,000 | 25130405 |
| 600570 | May 12, 2005 | May 12, 2005 | EOG Resources, Inc. | Hall Unit #1HH | 7,700 | 25130404 |
| 600570Amendment | May 12, 2005 | May 12, 2005 | EOG Resources, Inc. | Hall Unit #1HH | 7,700 | 25130404 |
| 600567 | May 12, 2005 | May 12, 2005 | EOG Resources, Inc. | K. D. Livestock #1HH | 8,300 | 25130403 |
| 600536 | May 12, 2005 | May 12, 2005 | Devon Energy Production Co, L.P. | Bourg #1H | 9,000 | 25130402 |
| 600536Amendment | May 12, 2005 | May 12, 2005 | Devon Energy Production Co, L.P. | Bourg #1H | 9,000 | 25130402 |
| 600477 | May 12, 2005 | May 12, 2005 | Burnett Oil Co., Inc. | Ingle #1HH | 9,000 | 25130400 |
| 600477Amendment | May 12, 2005 | May 12, 2005 | Burnett Oil Co., Inc. | Ingle #1HH | 9,000 | 25130400 |
| 600470 | May 10, 2005 | May 10, 2005 | Chesapeake Operating, Inc. | Armstrong #6HH | 12,000 | 25130399 |
| 600430 | May 10, 2005 | May 10, 2005 | EOG Resources, Inc. | Maak Unit #1HH | 8,000 | 25130397 |
| 600430Amendment | May 10, 2005 | May 10, 2005 | EOG Resources, Inc. | Maak Unit #1HH | 8,000 | 25130397 |
| 600312 | May 10, 2005 | May 10, 2005 | Antero Resources I, LP | Wall Memorial Hospital #2HH | 6,700 | 25130401 |
| 600312Amendment | May 10, 2005 | May 10, 2005 | XTO Energy Inc. | Walls Memorial Hospital #2HH | 11,000 | 25130401 |
| 600306 | May 9, 2005 | May 9, 2005 | Antero Resources I, LP | Wall Memorial Hospital #1HH | 6,900 | 25130395 |
| 600306Amendment | May 9, 2005 | May 9, 2005 | XTO Energy Inc. | Walls Memorial Hospital #1HH | 11,000 | 25130395 |
| 600298 | May 5, 2005 | May 5, 2005 | Arrington,david H. Oil & Gas,inc | Silver Down Easter A #2HH | 7,200 | 25130394 |
| 600134 | May 4, 2005 | May 4, 2005 | Chesapeake Operating, Inc. | Dixie Ruth #2H | 12,000 | 25130393 |
| 600134Amendment | May 4, 2005 | May 4, 2005 | Chesapeake Operating, Inc. | Dixie Ruth #2HH | 12,000 | 25130393 |
| 561256 | May 3, 2005 | May 3, 2005 | North Texas Llano Operating Corp | Threemont #1H | 8,900 | 25130391 |
| 600085 | May 2, 2005 | May 2, 2005 | Arrington,david H. Oil & Gas,inc | Silver Down Easter #1HH | 7,200 | 25130392 |
| 561196 | Apr 28, 2005 | Apr 28, 2005 | EOG Resources, Inc. | River Hills #4 HH | 7,700 | 25130390 |
| 561195 | Apr 28, 2005 | Apr 28, 2005 | EOG Resources, Inc. | Geren #8H | 7,700 | 25130389 |
| 560983 | Apr 22, 2005 | Apr 22, 2005 | EOG Resources, Inc. | Shaw Unit #1H | 8,200 | 25130388 |
| 560973 | Apr 22, 2005 | Apr 22, 2005 | EOG Resources, Inc. | West #2 HH | 7,700 | 25130387 |
| 560973Amendment | Apr 22, 2005 | Apr 22, 2005 | EOG Resources, Inc. | West Unit #2 HH | 7,700 | 25130387 |
| 560959 | Apr 22, 2005 | Apr 22, 2005 | Chief Oil & Gas LLC | Thompson Unit #1 HH | 8,900 | 25130386 |
| 560943 | Apr 22, 2005 | Apr 22, 2005 | Texas Transco Inc | Johnson County SWD #1 | 10,000 | 25130385 |
| 560943Amendment | Apr 22, 2005 | Apr 22, 2005 | Texas Transco Inc | Johnson County SWD #1 | 14,000 | 25130385 |
| 560871 | Apr 21, 2005 | Apr 21, 2005 | Republic Energy Inc. | Georges Creek Ranch #4H | 8,000 | 25130384 |
| 560869 | Apr 21, 2005 | Apr 21, 2005 | Devon Energy Production Co, L.P. | Dike, Gladys #1H | 9,000 | 25130383 |
| 560829 | Apr 20, 2005 | Apr 20, 2005 | EOG Resources, Inc. | Geren #5H | 7,700 | 25130382 |
| 560804 | Apr 20, 2005 | Apr 20, 2005 | Chesapeake Operating, Inc. | Mize Family #14H | 13,000 | 25130381 |
| 560804Amendment | Apr 20, 2005 | Apr 20, 2005 | Chesapeake Operating, Inc. | Mize Family #14HH | 13,000 | 25130381 |
| 560770 | Apr 19, 2005 | Apr 19, 2005 | Sundance Resources, Inc. | Rio Vista Isd Unit #1 HH | 7,500 | 25130380 |
| 560754 | Apr 19, 2005 | Apr 19, 2005 | EOG Resources, Inc. | King #4H | 7,700 | 25130379 |