| 645344 | Sep 4, 2007 | Sep 4, 2007 | Zachry Exploration, Ltd. | Kneblick Unit #1 | 4,800 | 23933426 |
| 644632 | Aug 28, 2007 | Aug 28, 2007 | Encon Services, Inc. | Westoff, W. T. #4 | 7,500 | 23933423 |
| 642584 | Aug 16, 2007 | Aug 16, 2007 | Dune Operating Company | Miller, K. R. et Al #5 | 9,500 | 23933419 |
| 644182 | Aug 14, 2007 | Aug 14, 2007 | Sue-Ann Operating, L.C. | Mauritz Bros. #1 | 6,282 | 23933394 |
| 644158 | Aug 14, 2007 | Aug 14, 2007 | Occidental Permian Ltd. | Toney, M. H. #36 | 6,190 | 23902846 |
| 643720 | Aug 10, 2007 | Aug 10, 2007 | Aurora Resources Corporation | Goff #1 | 7,000 | 23933422 |
| 643720Amendment | Aug 10, 2007 | Aug 10, 2007 | Aurora Resources Corporation | Goff #1 | 7,000 | 23933422 |
| 643745 | Aug 9, 2007 | Aug 9, 2007 | Alta Mesa Services, LP | Rose Family, et. Al. #1 | 12,000 | 23933421 |
| 643125 | Aug 2, 2007 | Aug 2, 2007 | Sue-Ann Operating, L.C. | Fenner Unit #1 | 4,725 | 23933420 |
| 642491 | Jul 25, 2007 | Jul 25, 2007 | Acock/Anaqua Operating Co., LP | Brooking, G. T. #44 | 8,000 | 23933418 |
| 642491Amendment | Jul 25, 2007 | Jul 25, 2007 | Acock/Anaqua Operating Co., LP | Brooking, G. T. #44 | 8,000 | 23933418 |
| 642393 | Jul 24, 2007 | Jul 24, 2007 | Brigham Oil & Gas, L.P. | Sartwelle #1 | 9,750 | 23933244 |
| 642393Amendment | Jul 24, 2007 | Jul 24, 2007 | Brigham Oil & Gas, L.P. | Sartwelle #1 | 9,750 | 23933244 |
| 642393Amendment | Jul 24, 2007 | Jul 24, 2007 | Brigham Oil & Gas, L.P. | Sartwelle #1 | 9,750 | 23933244 |
| 641810 | Jul 19, 2007 | Jul 19, 2007 | Hollimon Oil Corporation | Holzheauser "A" #1 | 11,500 | 23933417 |
| 641810Amendment | Jul 19, 2007 | Jul 19, 2007 | Hollimon Oil Corporation | Holzheauser "A" #1 | 11,850 | 23933417 |
| 641667 | Jul 12, 2007 | Jul 12, 2007 | Cox & Perkins Exploration, Inc. | Hillman #2ST | 10,000 | 23933055 |
| 641013 | Jun 29, 2007 | Jun 29, 2007 | Tri-C Resources, Inc. | Jackson-Williams #3 | 14,000 | 23933416 |
| 641013Amendment | Jun 29, 2007 | Jun 29, 2007 | Tri-C Resources, Inc. | Jackson-Williams #3 | 14,000 | 23933416 |
| 640706 | Jun 25, 2007 | Jun 25, 2007 | Sue-Ann Operating, L.C. | Alberta Gayle #11 | 5,625 | 23932176 |
| 640700 | Jun 25, 2007 | Jun 25, 2007 | Proton Operating Company, L.L.C. | L. Ranch C #1 | 8,200 | 23933415 |
| 640700Amendment | Jun 25, 2007 | Jun 25, 2007 | Ginger Oil Company (A) | L. Ranch C #1 A | 7,200 | 23933415 |
| 640697 | Jun 25, 2007 | Jun 25, 2007 | Proton Operating Company, L.L.C. | L. Ranch B #1 | 5,000 | 23933414 |
| 640665 | Jun 22, 2007 | Jun 22, 2007 | Proton Operating Company, L.L.C. | Ranch, L. A #1 | 10,000 | 23933413 |
| 640663 | Jun 22, 2007 | Jun 22, 2007 | Proton Operating Company, L.L.C. | Four Way Ranch A #1 | 7,000 | 23933412 |
| 640660 | Jun 22, 2007 | Jun 22, 2007 | Proton Operating Company, L.L.C. | Lavaca Ranch #1 | 4,800 | 23933411 |
| 639482 | May 25, 2007 | May 25, 2007 | Sue-Ann Operating, L.C. | Jackie #1 | 4,725 | 23933410 |
| 639346 | May 24, 2007 | May 24, 2007 | Garrison Ltd. | Schilhab #1 | 6,500 | 23933409 |
| 639297 | May 24, 2007 | May 24, 2007 | Samson Lone Star LP | Anders #2L | 9,450 | 23932672 |
| 638009 | May 7, 2007 | May 7, 2007 | Allegro Investments, Inc. | Weaver-Dugger Unit #1A | 8,240 | 23933081 |
| 636436 | Apr 11, 2007 | Apr 11, 2007 | Sue-Ann Operating, L.C. | Bures #1 | 7,400 | 23933408 |
| 636434 | Apr 11, 2007 | Apr 11, 2007 | Sue-Ann Operating, L.C. | Dernehle #1 | 7,400 | 23933407 |
| 635828 | Mar 30, 2007 | Mar 30, 2007 | Chaparral Energy, L.L.C. | Campbell #2 | 4,000 | 23933259 |
| 634116 | Mar 2, 2007 | Mar 2, 2007 | Sue-Ann Operating, L.C. | Klekar-Hendrix #1 | 7,150 | 23933406 |
| 632154 | Feb 10, 2007 | Feb 10, 2007 | Chaparral Energy, L.L.C. | Callaway #2 | 3,000 | 23933075 |
| 632821 | Feb 2, 2007 | Feb 2, 2007 | Bse Production Co. | Quinn-Jolly Unit #1 #1 | 5,000 | 23933405 |
| 632302 | Jan 25, 2007 | Jan 25, 2007 | Denali Oil & Gas Management, LLC | Sralla G.U. #1 | 13,500 | 23933404 |
| 632148 | Jan 23, 2007 | Jan 23, 2007 | Opal Energy, Inc. | Musselman #1 | 6,800 | 23933403 |
| 632148Amendment | Jan 23, 2007 | Jan 23, 2007 | Opal Energy, Inc. | Musselman #1ST | 6,100 | 23933403 |
| 631488 | Jan 9, 2007 | Jan 9, 2007 | Allegro Investments, Inc. | Thunderbird #1R | 13,500 | 23933262 |
| 631036 | Dec 27, 2006 | Dec 27, 2006 | Jamex, Inc. | Fenner #1 | 12,500 | 23933402 |
| 630238 | Dec 21, 2006 | Dec 21, 2006 | New Century Exploration, Inc. | Wearden #1 | 7,500 | 23933401 |
| 630765 | Dec 20, 2006 | Dec 20, 2006 | Magnum Producing, LP | Williams #1 | 10,850 | 23933353 |
| 630329 | Dec 14, 2006 | Dec 14, 2006 | Acock/Anaqua Operating Co., LP | Bennett #2 | 7,600 | 23933400 |
| 629581 | Dec 14, 2006 | Dec 14, 2006 | Kaiser-Francis Oil Company | Appling-Stovall #1A | 8,540 | 23933199 |
| 629581Amendment | Dec 14, 2006 | Dec 14, 2006 | Kaiser-Francis Oil Company | Appling-Stovall #1A | 8,540 | 23933199 |
| 626454 | Dec 11, 2006 | Dec 11, 2006 | Cordele Development Corporation | Wearden, Robert J. #3 | 5,200 | 23933391 |
| 629983 | Dec 5, 2006 | Dec 5, 2006 | Tri-C Resources, Inc. | Jolly #2 | 5,200 | 23933399 |
| 629983Amendment | Dec 5, 2006 | Dec 5, 2006 | Tri-C Resources, Inc. | Jolly #2 | 5,210 | 23933399 |
| 629954 | Dec 5, 2006 | Dec 5, 2006 | Cypress E & P Corporation | Webernick et al Gas Unit #5 | 5,000 | 23933398 |
| 629845 | Dec 4, 2006 | Dec 4, 2006 | Whittier Operating Inc. | Hasdorff "A" #5 | 7,013 | 23901668 |
| 629846 | Dec 1, 2006 | Dec 1, 2006 | Whittier Operating Inc. | McDowell #3 | 6,955 | 23903740 |
| 629842 | Dec 1, 2006 | Dec 1, 2006 | Texas Independent Explor Ltd. | Weed, J. F. #20 | 11,500 | 23933397 |
| 629567 | Nov 28, 2006 | Nov 28, 2006 | Magnum Producing, LP | Dorotik G. U. #1R | 10,000 | 23933396 |
| 629105 | Nov 16, 2006 | Nov 16, 2006 | Hollimon Oil Corporation | Holzheauser #1 | 6,500 | 23933395 |
| 623360 | Nov 14, 2006 | Nov 14, 2006 | Cordele Development Corporation | Pressly, Edmonia Estate #3 | 2,734 | 23900222 |
| 628683 | Nov 7, 2006 | Nov 7, 2006 | Sue-Ann Operating, L.C. | Mauritz Bros #1 | 6,750 | 23933394 |
| 628556 | Nov 7, 2006 | Nov 7, 2006 | Magnum Producing, LP | Dorotik G. U. #1 | 10,000 | 23933393 |
| 627942 | Oct 24, 2006 | Oct 24, 2006 | Davis Gulf Coast, Inc. | Keller #2 | 11,500 | 23933392 |
| 626372 | Sep 22, 2006 | Sep 22, 2006 | Windrush Operating Co., L.L.C. | Gep,lp/Goff Mineral Trust #3 | 5,000 | 23933390 |
| 626357 | Sep 22, 2006 | Sep 22, 2006 | Windrush Operating Co., L.L.C. | Gep, LP/Goff Mineral Trust #5 | 5,000 | 23933389 |
| 626356 | Sep 21, 2006 | Sep 21, 2006 | Windrush Operating Co., L.L.C. | Gep, LP / Goff Mineral Trust #4 | 5,000 | 23933388 |
| 624743 | Sep 14, 2006 | Sep 14, 2006 | Osyka Permian, LLC | Tencate #1 | 4,502 | 23903919 |
| 625407 | Sep 8, 2006 | Sep 8, 2006 | Encon Services, Inc. | Kallus #1 | 7,700 | 23933387 |
| 625404 | Sep 5, 2006 | Sep 5, 2006 | Encon Services, Inc. | Westhoff-Vance #3 | 7,700 | 23933386 |
| 624984 | Aug 28, 2006 | Aug 28, 2006 | Osyka Permian, LLC | Four-Way Ranch #25 | 8,114 | 23902221 |
| 624655 | Aug 21, 2006 | Aug 21, 2006 | Gemarmi Inc. | Kinzer Unit #1 | 6,700 | 23933385 |
| 623015 | Aug 17, 2006 | Aug 17, 2006 | Bse Production Co. | Kallus, Johnny #1 | 5,500 | 23933381 |
| 624039 | Aug 8, 2006 | Aug 8, 2006 | Whittier Operating Inc. | Westhoff "A" #1 | 7,000 | 23933384 |
| 623818 | Aug 3, 2006 | Aug 3, 2006 | Kaler Energy Corp | Stafford #1 | 3,700 | 23933383 |
| 623577 | Aug 1, 2006 | Aug 1, 2006 | Encon Services, Inc. | Gilbert Sattler #1 | 6,500 | 23930384 |
| 623193 | Jul 25, 2006 | Jul 25, 2006 | Whittier Operating Inc. | A.E. Westhoff #17 | 7,000 | 23933382 |
| 622907 | Jul 20, 2006 | Jul 20, 2006 | Viper S.W.D. LLC | Morton #1 | 4,580 | 23931235 |
| 620851 | Jun 13, 2006 | Jun 13, 2006 | Encon Services, Inc. | W. T. Westhoff #3 | 7,300 | 23903589 |
| 620772 | Jun 12, 2006 | Jun 12, 2006 | DJ Exploration, Inc. | Mauritz #1 | 2,300 | 23933380 |
| 619854 | Jun 2, 2006 | Jun 2, 2006 | Princess Three Operating, LLC | Mc Daniel #4 | 5,899 | 23900011 |
| 620056 | May 30, 2006 | May 30, 2006 | Tri-C Resources, Inc. | Jolly #1 | 5,250 | 23933378 |
| 620056Amendment | May 30, 2006 | May 30, 2006 | Tri-C Resources, Inc. | Jolly #1 | 5,250 | 23933378 |
| 618629 | May 26, 2006 | May 26, 2006 | Cordele Development Corporation | Pressly, Edmonia #14 | 5,200 | 23933373 |
| 618629Amendment | May 26, 2006 | May 26, 2006 | Cordele Development Corporation | Pressly, Edmonia #14 | 5,185 | 23933373 |
| 619347 | May 17, 2006 | May 17, 2006 | C & E Operating, Inc. | Moore #1 | 13,000 | 23933377 |
| 619347Amendment | May 17, 2006 | May 17, 2006 | C & E Operating, Inc. | Moore #1 | 13,000 | 23933377 |
| 619301 | May 16, 2006 | May 16, 2006 | Acock/Anaqua Operating Co., LP | Bennett, et Al #1 | 7,600 | 23933376 |
| 619282 | May 15, 2006 | May 15, 2006 | Davis Gulf Coast, Inc. | Weed #1 | 11,500 | 23933375 |
| 619045 | May 11, 2006 | May 11, 2006 | Magnum Producing, LP | Ploeger 'B' #3 | 3,000 | 23933374 |
| 618519 | May 2, 2006 | May 2, 2006 | Windrush Operating Co., LLC | Gep, LP/Goff Mineral Trust #2 | 14,000 | 23933372 |
| 618484 | May 2, 2006 | May 2, 2006 | Windrush Operating Co., LLC | Gep, LP/Goff Mineral Trust #1 | 14,000 | 23933371 |
| 618484Amendment | May 2, 2006 | May 2, 2006 | Windrush Operating Co., L.L.C. | Gep, LP/Goff Mineral Trust #1 | 14,000 | 23933371 |
| 617030 | Apr 11, 2006 | Apr 11, 2006 | Acock Operating Limited | Hillman #1 | 6,950 | 23933159 |
| 616792 | Mar 31, 2006 | Mar 31, 2006 | C & E Operating, Inc. | Moore-Stafford #1 | 13,000 | 23933370 |
| 616792Amendment | Mar 31, 2006 | Mar 31, 2006 | C & E Operating, Inc. | Moore-Stafford #1 | 13,000 | 23933370 |
| 615925 | Mar 23, 2006 | Mar 23, 2006 | Jamex, Inc. | Gerald #1 | 13,200 | 23933367 |
| 616254 | Mar 22, 2006 | Mar 22, 2006 | Texas Independent Explor Ltd. | Weed. J. F. #19 | 10,000 | 23933369 |
| 616058 | Mar 20, 2006 | Mar 20, 2006 | Tri-C Resources, Inc. | Goff #1 | 4,500 | 23933368 |
| 616030 | Mar 20, 2006 | Mar 20, 2006 | Encon Services, Inc. | Westhoff-Vance #1 | 7,300 | 23901733 |
| 615685 | Mar 17, 2006 | Mar 17, 2006 | Cordele Development Corporation | Pressly, Edmonia #13 | 5,200 | 23933366 |
| 615682 | Mar 13, 2006 | Mar 13, 2006 | Chilton Energy | G.T. Brooking #35 | 7,350 | 23930413 |
| 615235 | Mar 8, 2006 | Mar 8, 2006 | Ramsey Production Company, LLC | Sam-C #1 | 4,500 | 23933364 |
| 615319 | Mar 6, 2006 | Mar 6, 2006 | Cypress E & P Corporation | Webernick et al Gas Unit #2 | 13,000 | 23933365 |
| 615004 | Feb 28, 2006 | Feb 28, 2006 | Neumin Production Company | Kubecka #1 | 11,000 | 23933363 |