| 509065 | May 16, 2001 | May 16, 2001 | Newfield Exploration Company | Oliver Gas Unit #1 | 15,000 | 29132395 |
| 509065Amendment | May 16, 2001 | May 16, 2001 | Newfield Exploration Company | Oliver Gas Unit #1 | 17,000 | 29132395 |
| 508922 | May 14, 2001 | May 14, 2001 | Quail Creek Oil Corporation | Dolbear Fee #465 | 2,600 | 29132394 |
| 508839 | May 11, 2001 | May 11, 2001 | Heisey Ventures, Inc. | Finley, A. W. #1 | 7,850 | 29131334 |
| 508596 | May 7, 2001 | May 7, 2001 | Hollimon Oil Corporation | Quinn #2 | 7,100 | 29132393 |
| 508391 | May 7, 2001 | May 7, 2001 | Smith Production Inc. | Morris, Mrs. Elizabeth et Al #10 | 11,450 | 29131244 |
| 508391Amendment | May 7, 2001 | May 7, 2001 | Smith Production Inc. | Morris, Mrs. Elizabeth et Al #10 | 11,450 | 29131244 |
| 508391Amendment | May 7, 2001 | May 7, 2001 | Smith Production Inc. | Morris, Mrs. Elizabeth et Al #10 | 11,450 | 29131244 |
| 507918 | Apr 18, 2001 | Apr 18, 2001 | Hollimon Oil Corporation | Hightower #1R | 6,000 | 29132392 |
| 507477 | Apr 12, 2001 | Apr 12, 2001 | Synergy Oil & Gas, Inc. (A) | Arco Fee #2 | 13,100 | 29132177 |
| 507250 | Mar 30, 2001 | Mar 30, 2001 | Blue Ridge Group, Inc. | Splendora #1 | 6,500 | 29132391 |
| 506639 | Mar 30, 2001 | Mar 30, 2001 | Hollimon Oil Corporation | Hightower #1 | 6,000 | 29132388 |
| 507141 | Mar 28, 2001 | Mar 28, 2001 | Ballard Exploration Company,inc. | Raywood Investments #1 | 15,000 | 29132390 |
| 506638 | Mar 26, 2001 | Mar 26, 2001 | Hollimon Oil Corporation | Moore #1 | 4,000 | 29132389 |
| 506569 | Mar 22, 2001 | Mar 22, 2001 | Anschutz Exploration Corporation | Stoesser Farm, Inc. #1 | 11,000 | 29132387 |
| 506569Amendment | Mar 22, 2001 | Mar 22, 2001 | Anschutz Exploration Corporation | Stoesser Farm, Inc. #1 | 13,000 | 29132387 |
| 506744 | Mar 20, 2001 | Mar 20, 2001 | Texas American Resources Company | Kirby Lumber Co. #28 | 6,200 | 29100127 |
| 505615 | Feb 21, 2001 | Feb 21, 2001 | Smith Petroleum Company | Hutcheson #2 | 9,600 | 29132262 |
| 505232 | Feb 12, 2001 | Feb 12, 2001 | Carrizo Oil & Gas, Inc. | Hatcher #1 | 11,600 | 29132386 |
| 504657 | Jan 29, 2001 | Jan 29, 2001 | Ballard Exploration Company,inc. | Holbrook "A" #1 | 8,000 | 29132385 |
| 504657Amendment | Jan 29, 2001 | Jan 29, 2001 | Ballard Exploration Company,inc. | Dunwoody, Charlie #1 | 8,100 | 29132385 |
| 504429 | Jan 25, 2001 | Jan 25, 2001 | Quail Creek Oil Corporation | Phoenix Dev. Co. Inc et Al #135 | 2,700 | 29132379 |
| 504428 | Jan 25, 2001 | Jan 25, 2001 | Quail Creek Oil Corporation | Phoenix Dev. Co. Inc et Al #136 | 3,650 | 29132380 |
| 504427 | Jan 25, 2001 | Jan 25, 2001 | Quail Creek Oil Corporation | Scarbrough, E. M. #75 | 3,850 | 29132381 |
| 504426 | Jan 25, 2001 | Jan 25, 2001 | Quail Creek Oil Corporation | Dolbear Fee #463 | 2,550 | 29132382 |
| 504425 | Jan 25, 2001 | Jan 25, 2001 | Quail Creek Oil Corporation | Thomas, W. L. Fee #23 | 3,400 | 29132384 |
| 504424 | Jan 25, 2001 | Jan 25, 2001 | Quail Creek Oil Corporation | Dolbear Fee #464 | 3,500 | 29132383 |
| 504424Amendment | Jan 25, 2001 | Jan 25, 2001 | Quail Creek Oil Corporation | Dolbear Fee #464 | 3,500 | 29132383 |
| 503464 | Dec 27, 2000 | Dec 27, 2000 | Smith Production Inc. | Domain #1 | 11,350 | 29132378 |
| 503464Amendment | Dec 27, 2000 | Dec 27, 2000 | Smith Production Inc. | Domain #1 | 11,350 | 29132378 |
| 503154 | Dec 18, 2000 | Dec 18, 2000 | Tri-C Resources, Inc. | Daniel, Bill, Governor #2 | 12,100 | 29132377 |
| 501988 | Nov 15, 2000 | Nov 15, 2000 | Carrizo Oil & Gas, Inc. | Champion International Corp. #1 | 8,750 | 29132376 |
| 501563 | Nov 3, 2000 | Nov 3, 2000 | Aspect Resources LLC | Ramsey #1 | 12,200 | 29132375 |
| 501402 | Oct 30, 2000 | Oct 30, 2000 | Carrizo Oil & Gas, Inc. | King Gas Unit #1 | 8,700 | 29132374 |
| 501402Amendment | Oct 30, 2000 | Oct 30, 2000 | Carrizo Oil & Gas, Inc. | King Gas Unit #1 | 9,800 | 29132374 |
| 501402Amendment | Oct 30, 2000 | Oct 30, 2000 | Carrizo Oil & Gas, Inc. | King Gas Unit #1 | 9,800 | 29132374 |
| 501134 | Oct 27, 2000 | Oct 27, 2000 | Phoenix Hydrocarbons Operating | Esperson Moores Bluff #S 29 | 8,000 | 29132373 |
| 499669 | Oct 24, 2000 | Oct 24, 2000 | B & G Energy Corporation | Clampitt, Jed #1 | 8,200 | 29102674 |
| 500467 | Oct 10, 2000 | Oct 10, 2000 | Brammer Engineering, Inc. | Jones, Carla #1 | 5,200 | 29132372 |
| 500467Amendment | Oct 10, 2000 | Oct 10, 2000 | Brammer Engineering, Inc. | Jones, Carla #1 | 5,200 | 29132372 |
| 500485 | Oct 6, 2000 | Oct 6, 2000 | Brammer Engineering, Inc. | Bybee #2 | 5,200 | 29132371 |
| 500485Amendment | Oct 6, 2000 | Oct 6, 2000 | Brammer Engineering, Inc. | Bybee #2 | 5,200 | 29132371 |
| 500342 | Oct 6, 2000 | Oct 6, 2000 | Smith Production Inc. | Holbrook #1 | 11,320 | 29132369 |
| 500394 | Oct 4, 2000 | Oct 4, 2000 | Brammer Engineering, Inc. | Herbert Gas Unit #4 | 5,200 | 29132370 |
| 500394Amendment | Oct 4, 2000 | Oct 4, 2000 | Brammer Engineering, Inc. | Herbert Gas Unit #4 | 5,200 | 29132370 |
| 500394Amendment | Oct 4, 2000 | Oct 4, 2000 | Brammer Engineering, Inc. | Hebert Gas Unit #4 | 5,200 | 29132370 |
| 499917 | Sep 21, 2000 | Sep 21, 2000 | Smith Production Inc. | Morris, E. #12 | 11,575 | 29132368 |
| 499917Amendment | Sep 21, 2000 | Sep 21, 2000 | Smith Production Inc. | Morris, E. #12 | 11,575 | 29132368 |
| 499726 | Sep 20, 2000 | Sep 20, 2000 | Phoenix Hydrocarbons Operating | Esperson Moores Bluff #S 28 | 7,600 | 29132367 |
| 499663 | Sep 15, 2000 | Sep 15, 2000 | Cobra Oil & Gas Corporation | Apache Corp. #1 | 11,000 | 29132366 |
| 499663Amendment | Sep 15, 2000 | Sep 15, 2000 | Cobra Oil & Gas Corporation | Apache Corporation #1A | 11,500 | 29132366 |
| 499183 | Sep 5, 2000 | Sep 5, 2000 | Anschutz Exploration Corporation | Cook #1 | 8,620 | 29132365 |
| 498428 | Sep 5, 2000 | Sep 5, 2000 | Cobra Oil & Gas Corporation | Champion #1 | 10,000 | 29132361 |
| 499165 | Sep 1, 2000 | Sep 1, 2000 | Smith Petroleum Company | Daniel, Bill Governor #1 | 9,400 | 29132364 |
| 499142 | Aug 31, 2000 | Aug 31, 2000 | Sedona Oil & Gas Corp. | Tristen-Truett #1 | 13,300 | 29132363 |
| 499142Amendment | Aug 31, 2000 | Aug 31, 2000 | Sedona Oil & Gas Corp. | Tristen-Truett #1 | 13,300 | 29132363 |
| 499010 | Aug 29, 2000 | Aug 29, 2000 | Carrizo Oil & Gas, Inc. | Hamill Energy Co., et Al #1 | 6,400 | 29132348 |
| 498910 | Aug 25, 2000 | Aug 25, 2000 | Smith Production Inc. | Mitchell, Leon #1 | 11,425 | 29132362 |
| 496823 | Aug 4, 2000 | Aug 4, 2000 | B & G Energy Corporation | Phoenix Dev. Co -A- #2A | 9,100 | 29132296 |
| 497596 | Jul 25, 2000 | Jul 25, 2000 | Estes Operating, Inc. | Chambers, Myrtle #33 | 3,600 | 29132360 |
| 497013 | Jul 20, 2000 | Jul 20, 2000 | Smith Production Inc. | Tuer-Mitchell #1L | 12,811 | 29130580 |
| 497014 | Jul 12, 2000 | Jul 12, 2000 | Smith Production Inc. | Mallett #1 | 14,720 | 29130497 |
| 496611 | Jun 27, 2000 | Jun 27, 2000 | Gaither Petroleum Corporation | Boyt, E. W. #210 | 5,100 | 29132359 |
| 496611Amendment | Jun 27, 2000 | Jun 27, 2000 | Gaither Petroleum Corporation | Boyt, E. W. #210 | 5,100 | 29132359 |
| 494705 | May 5, 2000 | May 5, 2000 | CNG Producing Company | Ponder, R. C. #1 | 16,010 | 29132358 |
| 494705Amendment | May 5, 2000 | May 5, 2000 | Dominion Expl. & Prod., Inc. | Ponder, R. C. #1 | 17,000 | 29132358 |
| 494307 | Apr 20, 2000 | Apr 20, 2000 | Tri-C Resources, Inc. | Daniel, Governor Bill #1 | 12,400 | 29132357 |
| 494307Amendment | Apr 20, 2000 | Apr 20, 2000 | Tri-C Resources, Inc. | Daniel, Governor Bill #1 | 12,400 | 29132357 |
| 493921 | Apr 12, 2000 | Apr 12, 2000 | Smith Production Inc. | Mallett #2 | 12,050 | 29132356 |
| 493230 | Mar 29, 2000 | Mar 29, 2000 | Lilley, C.C., Inc. | Friendswood Dev. #2 | 7,560 | 29132160 |
| 493229 | Mar 29, 2000 | Mar 29, 2000 | Lilley, C.C., Inc. | Friendswood Dev. #3 | 6,720 | 29132213 |
| 493337 | Mar 27, 2000 | Mar 27, 2000 | HNG Storage Company | North Dayton Gas Storage #1I | 6,052 | 29131948 |
| 492737 | Mar 6, 2000 | Mar 6, 2000 | Smith Production Inc. | Tuer-Mitchell #2 | 11,825 | 29132355 |
| 492319 | Feb 25, 2000 | Feb 25, 2000 | Quail Creek Oil Corporation | Phillips, Morris #67 | 2,950 | 29132352 |
| 492318 | Feb 25, 2000 | Feb 25, 2000 | Quail Creek Oil Corporation | Scarbrough, E. M. #74 | 3,750 | 29132353 |
| 492317 | Feb 25, 2000 | Feb 25, 2000 | Quail Creek Oil Corporation | Barngrover Heirs #47 | 3,350 | 29132350 |
| 492316 | Feb 25, 2000 | Feb 25, 2000 | Quail Creek Oil Corporation | Dolbear Fee #460 | 2,700 | 29132351 |
| 492316Amendment | Feb 25, 2000 | Feb 25, 2000 | Quail Creek Oil Corporation | Dolbear Fee #460 | 2,700 | 29132351 |
| 492280 | Feb 25, 2000 | Feb 25, 2000 | Bledsoe Petro Corporation | Esperson Moores Bluff #S 22 | 6,200 | 29132354 |
| 492352 | Feb 23, 2000 | Feb 23, 2000 | K. O. C. Corporation | Finley, Gertrude #3 | 3,900 | 29132349 |
| 491697 | Feb 8, 2000 | Feb 8, 2000 | Kaiser-Francis Oil Company | Amoco-Sun Fee #1 | 9,043 | 29104172 |
| 491634 | Feb 1, 2000 | Feb 1, 2000 | Carrizo Oil & Gas, Inc. | Hamill Energy Co., Etal #1 | 6,400 | 29132348 |
| 491439 | Jan 28, 2000 | Jan 28, 2000 | Bledsoe Petro Corporation | Welch Foundation #S 27 | 5,800 | 29132346 |
| 491438 | Jan 28, 2000 | Jan 28, 2000 | Bledsoe Petro Corporation | Hlavaty #S 26 | 5,900 | 29132347 |
| 491010 | Jan 27, 2000 | Jan 27, 2000 | Tag Operating Company, Inc. | Black Stone Minerals #2 | 5,903 | 29100115 |
| 491400 | Jan 26, 2000 | Jan 26, 2000 | Belco Energy Corp. | Black Stone #1 | 19,000 | 29132345 |
| 491400Amendment | Jan 26, 2000 | Jan 26, 2000 | Belco Energy Corp. | Black Stone #1 | 19,000 | 29132345 |
| 490986 | Jan 19, 2000 | Jan 19, 2000 | Tag Operating Company, Inc. | Black Stone Minerals #3 | 5,920 | 29100114 |
| 490606 | Dec 30, 1999 | Dec 30, 1999 | Quail Creek Oil Corporation | Bingle, W. L. #23 | 8,750 | 29102072 |
| 490256 | Dec 10, 1999 | Dec 10, 1999 | Stone Mountain Petroleum, LLC | Lindholm, Etal #1 | 5,200 | 29132344 |
| 489609 | Nov 17, 1999 | Nov 17, 1999 | Cobra Oil & Gas Corporation | Moore Unit #2 | 12,000 | 29132343 |
| 489087 | Nov 10, 1999 | Nov 10, 1999 | K. O. C. Corporation | Partlow, R. G #1 | 8,514 | 29102359 |
| 488634 | Oct 19, 1999 | Oct 19, 1999 | Trinity Storage Services, L.P. | Moss Bluff #1 | 1,200 | 29132342 |
| 488157 | Oct 15, 1999 | Oct 15, 1999 | Smith Production Inc. | Morris, E. #11 | 12,500 | 29132340 |
| 488263 | Oct 7, 1999 | Oct 7, 1999 | Stone Mountain Petroleum, LLC | Farris #1 | 11,680 | 29132341 |
| 487850 | Sep 22, 1999 | Sep 22, 1999 | Hennig Production Co., Inc. | Bsmc, LP #2 | 13,700 | 29132339 |
| 487726 | Sep 20, 1999 | Sep 20, 1999 | Cobra Oil & Gas Corporation | Moore Unit #1 | 12,500 | 29132338 |
| 487596 | Sep 20, 1999 | Sep 20, 1999 | Bledsoe Petro Corporation | McCoy #S 24 | 9,900 | 29132336 |
| 487596Amendment | Sep 20, 1999 | Sep 20, 1999 | Bledsoe Petro Corporation | McCoy #S 24 | 10,100 | 29132336 |
| 487091 | Sep 20, 1999 | Sep 20, 1999 | Trinity Storage Services, L.P. | McFaddin, Wm #1 A | 2,285 | 29105634 |