| 679337 | Mar 19, 2009 | Mar 19, 2009 | Hilcorp Energy Company | Tom O'CONNOR(5600 Foot Sand)unit #W823B | 5,925 | 39100431 |
| 679335 | Mar 19, 2009 | Mar 19, 2009 | Hilcorp Energy Company | Tom O'Connor (4150 Ft. Sd.) Unit #W111A | 8,230 | 39130118 |
| 679333 | Mar 19, 2009 | Mar 19, 2009 | Hilcorp Energy Company | Tom O'CONNOR(5600 Foot Sand)unit #W906B | 5,924 | 39100505 |
| 678856 | Mar 16, 2009 | Mar 16, 2009 | Pool Operating Corporation | Barber Ranch Ltd #1 | 7,800 | 39132899 |
| 678856Amendment | Mar 16, 2009 | Mar 16, 2009 | Pool Operating Corporation | Barber Ranch Ltd #1 | 7,800 | 39132899 |
| 678971 | Mar 10, 2009 | Mar 10, 2009 | Hilcorp Energy Company | Tom O'CONNOR(5600 Foot Sand)unit #W405B | 5,926 | 39100667 |
| 678965 | Mar 10, 2009 | Mar 10, 2009 | Hilcorp Energy Company | Tom O'CONNOR(5600 Foot Sand)unit #W221B | 5,909 | 39101134 |
| 678959 | Mar 10, 2009 | Mar 10, 2009 | Hilcorp Energy Company | Tom O'CONNOR(5600 Foot Sand)unit #W218B | 5,911 | 39101168 |
| 678955 | Mar 10, 2009 | Mar 10, 2009 | Hilcorp Energy Company | Tom O'CONNOR(5600 Foot Sand)unit #W335B | 5,925 | 39100565 |
| 678913 | Mar 10, 2009 | Mar 10, 2009 | Hilcorp Energy Company | Tom O'CONNOR(5600 Foot Sand)unit #W360B | 6,000 | 39100729 |
| 678767 | Mar 10, 2009 | Mar 10, 2009 | Hilcorp Energy Company | M. F. Lambert #15 | 6,507 | 39101210 |
| 679103 | Mar 9, 2009 | Mar 9, 2009 | Mantle Oil & Gas, LLC | Scanio/Shelton #2 | 5,334 | 39132589 |
| 679102 | Mar 6, 2009 | Mar 6, 2009 | Mantle Oil & Gas, LLC | Scanio/Shelton #1 | 5,334 | 39132588 |
| 679102Amendment | Mar 6, 2009 | Mar 6, 2009 | High Plains Gas Systems, Inc. | Scanio/Shelton #1 | 6,500 | 39132588 |
| 674356Amendment | Mar 6, 2009 | Mar 6, 2009 | Mantle Oil & Gas, LLC | Scanio/Shelton #14 | 8,700 | 39132882 |
| 678802 | Mar 4, 2009 | Mar 4, 2009 | Hilcorp Energy Company | Tom O'CONNOR(5600 Foot Sand)unit #W204B | 5,929 | 39101162 |
| 673704Amendment | Mar 4, 2009 | Mar 4, 2009 | T - C Oil Company | Doc-N/RR-C Unit #1 | 6,820 | 39132875 |
| 678735 | Mar 2, 2009 | Mar 2, 2009 | Hilcorp Energy Company | M. F. Lambert #98 | 5,825 | 39101492 |
| 678707 | Mar 2, 2009 | Mar 2, 2009 | Hilcorp Energy Company | W. J. Fox "B" #30 | 6,081 | 39101111 |
| 678675 | Mar 2, 2009 | Mar 2, 2009 | Hilcorp Energy Company | M. F. Lambert #71 | 5,900 | 39101327 |
| 678668 | Mar 2, 2009 | Mar 2, 2009 | Acock/Anaqua Operating Co., LP | Scanio, Miguelita #19 | 7,600 | 39132843 |
| 678580 | Mar 2, 2009 | Mar 2, 2009 | Hilcorp Energy Company | Mrs. Fannie V. W. Heard #106 | 6,094 | 39131850 |
| 678535 | Feb 27, 2009 | Feb 27, 2009 | Hilcorp Energy Company | M. F. Lambert #47 | 5,919 | 39101385 |
| 675004Amendment | Feb 27, 2009 | Feb 27, 2009 | Mantle Oil & Gas, LLC | Scanio/Shelton #13 | 8,700 | 39132886 |
| 678519 | Feb 25, 2009 | Feb 25, 2009 | Hilcorp Energy Company | Clement Heard #24 | 7,808 | 39131588 |
| 678507 | Feb 25, 2009 | Feb 25, 2009 | Hilcorp Energy Company | Clement Heard #23 | 7,922 | 39131356 |
| 678353 | Feb 24, 2009 | Feb 24, 2009 | Hilcorp Energy Company | W. J. Fox "A" #44 | 7,517 | 39131223 |
| 678641 | Feb 20, 2009 | Feb 20, 2009 | Hilcorp Energy Company | Lambert Gas Unit #214 | 9,000 | 39132794 |
| 678488 | Feb 12, 2009 | Feb 12, 2009 | Great Bay Operations, LLC | Fagan #33 | 4,100 | 39132898 |
| 678411 | Feb 10, 2009 | Feb 10, 2009 | Acock/Anaqua Operating Co., LP | Miguelita Scanio #21 | 7,600 | 39132897 |
| 678185 | Feb 5, 2009 | Feb 5, 2009 | T - C Oil Company | Vincent #1 | 5,593 | 39132736 |
| 677855 | Jan 29, 2009 | Jan 29, 2009 | Hilcorp Energy Company | Maude Williams et al "A" #D 6 | 5,780 | 39100272 |
| 677404 | Jan 27, 2009 | Jan 27, 2009 | Maran Oil Company | Mary Alice Anderson -D- #D 1 | 5,600 | 39130313 |
| 677498 | Jan 21, 2009 | Jan 21, 2009 | Kebo Oil & Gas, Inc. | Thelma Heard #4 | 6,900 | 39132895 |
| 677217 | Jan 16, 2009 | Jan 16, 2009 | McDonald & Johnson Resources,llc | Fagan C #30 | 4,100 | 39132894 |
| 677297 | Jan 15, 2009 | Jan 15, 2009 | T - C Oil Company | Clay Pasture -B- State Unit #12 | 3,255 | 39132823 |
| 677189 | Jan 14, 2009 | Jan 14, 2009 | McDonald & Johnson Resources,llc | Fagan #32 | 4,100 | 39132893 |
| 675803 | Jan 14, 2009 | Jan 14, 2009 | Cambrian Management, Ltd. | O'Brien, J. M. #66 | 4,522 | 39130427 |
| 677045 | Jan 13, 2009 | Jan 13, 2009 | Hilcorp Energy Company | Maude Williams et al "A" #D200 | 8,015 | 39132597 |
| 677045Amendment | Jan 13, 2009 | Jan 13, 2009 | Hilcorp Energy Company | Maude Williams et al 'A' #D200 | 8,015 | 39132597 |
| 677031 | Jan 8, 2009 | Jan 8, 2009 | Hilcorp Energy Company | Maude Williams et al "A" #D 45 | 5,830 | 39104012 |
| 677016 | Jan 8, 2009 | Jan 8, 2009 | Salida Exploration, LLC | Roche #7 | 8,000 | 39132892 |
| 677016Amendment | Jan 8, 2009 | Jan 8, 2009 | Salida Exploration, LLC | Roche #7 | 8,000 | 39132892 |
| 676636 | Dec 31, 2008 | Dec 31, 2008 | T - C Oil Company | O'Connor, Dennis et al -L- #L 61 | 2,400 | 39132428 |
| 676305 | Dec 19, 2008 | Dec 19, 2008 | T - C Oil Company | River Ranch a/Williams St Unit #4 | 3,500 | 39132891 |
| 676303 | Dec 18, 2008 | Dec 18, 2008 | T - C Oil Company | River Ranch a/Williams St Unit #3 | 6,500 | 39132890 |
| 676303Amendment | Dec 18, 2008 | Dec 18, 2008 | T - C Oil Company | River Ranch -a-/Williams State U #3 | 6,500 | 39132890 |
| 676296 | Dec 18, 2008 | Dec 18, 2008 | Hilcorp Energy Company | Williams, Maude et al "A" #D117 | 4,661 | 39131513 |
| 675860 | Dec 8, 2008 | Dec 8, 2008 | Charro Operating, L.L.C. | Vidauri "F" #34 | 7,700 | 39132889 |
| 675860Amendment | Dec 8, 2008 | Dec 8, 2008 | Charro Operating, L.L.C. | Vidauri "F" #34 | 7,700 | 39132889 |
| 675843 | Dec 8, 2008 | Dec 8, 2008 | T - C Oil Company | O'Connor -H- #H 30 | 6,500 | 39132888 |
| 675843Amendment | Dec 8, 2008 | Dec 8, 2008 | T - C Oil Company | O'Connor -H- #H 30 | 6,500 | 39132888 |
| 675584 | Dec 1, 2008 | Dec 1, 2008 | T - C Oil Company | O'Connor -H- #H 31 | 7,000 | 39132887 |
| 675584Amendment | Dec 1, 2008 | Dec 1, 2008 | T - C Oil Company | O'Connor -H- #H 31 | 4,500 | 39132887 |
| 675415 | Nov 26, 2008 | Nov 26, 2008 | Hilcorp Energy Company | Annie Reilly et Vir #6 | 5,976 | 39100767 |
| 675428 | Nov 25, 2008 | Nov 25, 2008 | Hilcorp Energy Company | Tom O'CONNOR(5600 Foot Sand)unit #W311B | 5,857 | 39100680 |
| 675004 | Nov 25, 2008 | Nov 25, 2008 | Mantle Oil & Gas, LLC | Scanio/Shelton #13 | 8,700 | 39132886 |
| 674792 | Nov 25, 2008 | Nov 25, 2008 | Hilcorp Energy Company | M. F. Lambert 151 #151 | 8,300 | 39132356 |
| 674362 | Nov 20, 2008 | Nov 20, 2008 | Mantle Oil & Gas, LLC | Rooke, B. D. #C 15 | 9,000 | 39132883 |
| 674349 | Nov 19, 2008 | Nov 19, 2008 | Mantle Oil & Gas, LLC | Scanio/Shelton #15 | 8,700 | 39132881 |
| 674349Amendment | Nov 19, 2008 | Nov 19, 2008 | Mantle Oil & Gas, LLC | Scanio/Shelton #15 | 8,700 | 39132881 |
| 674731 | Nov 15, 2008 | Nov 15, 2008 | Charro Operating, L.L.C. | Vidauri "P" #31 | 6,500 | 39132885 |
| 674397 | Nov 14, 2008 | Nov 14, 2008 | Mantle Oil & Gas, LLC | La Rosa Unit #55 | 7,800 | 39132884 |
| 674466 | Nov 13, 2008 | Nov 13, 2008 | Remora Management, LLC | Marberry "B" #5 | 5,400 | 39132808 |
| 674346 | Nov 13, 2008 | Nov 13, 2008 | T - C Oil Company | River Ranch a/Williams St Unit #2 | 6,500 | 39132880 |
| 674346Amendment | Nov 13, 2008 | Nov 13, 2008 | T - C Oil Company | River Ranch -a-/Williams State U #2 | 6,500 | 39132880 |
| 674356 | Nov 7, 2008 | Nov 7, 2008 | Mantle Oil & Gas, LLC | Scanio/Shelton #14 | 8,700 | 39132882 |
| 674063 | Nov 3, 2008 | Nov 3, 2008 | SE USA Operating, Inc. | Schirmer, Henry #21 | 9,000 | 39132879 |
| 674063Amendment | Nov 3, 2008 | Nov 3, 2008 | Remora Management, LLC | Schirmer, Henry #21 | 9,000 | 39132879 |
| 673839 | Oct 28, 2008 | Oct 28, 2008 | Charro Operating, L.L.C. | Vidauri "F" #26 | 7,000 | 39132878 |
| 673813 | Oct 28, 2008 | Oct 28, 2008 | T - C Oil Company | Baumgartner -F- #1 | 3,888 | 39132833 |
| 673783 | Oct 27, 2008 | Oct 27, 2008 | McDonald & Johnson Resources,llc | Fagan #17 | 4,800 | 39132877 |
| 673727 | Oct 25, 2008 | Oct 25, 2008 | T - C Oil Company | Clay Pasture -B- State Unit #21 | 7,000 | 39132876 |
| 673727Amendment | Oct 25, 2008 | Oct 25, 2008 | T - C Oil Company | Clay Pasture -B- State Unit #21 | 4,500 | 39132876 |
| 673704 | Oct 25, 2008 | Oct 25, 2008 | T - C Oil Company | Doc-N/RR-C Unit #1 | 7,000 | 39132875 |
| 673407 | Oct 23, 2008 | Oct 23, 2008 | Hilcorp Energy Company | M. F. Lambert #55 | 5,915 | 39101432 |
| 673407Amendment | Oct 23, 2008 | Oct 23, 2008 | Hilcorp Energy Company | M. F. Lambert #55 | 5,915 | 39101432 |
| 673373 | Oct 23, 2008 | Oct 23, 2008 | Hilcorp Energy Company | M. F. Lambert #35 | 5,923 | 39101233 |
| 673325 | Oct 22, 2008 | Oct 22, 2008 | Mantle Oil & Gas, LLC | Rooke #2 | 7,800 | 39132874 |
| 673323 | Oct 22, 2008 | Oct 22, 2008 | Mantle Oil & Gas, LLC | Rooke #1 | 7,800 | 39132873 |
| 673220 | Oct 21, 2008 | Oct 21, 2008 | Hilcorp Energy Company | Lambert Gas Unit #213 | 8,311 | 39132723 |
| 652622Amendment | Oct 16, 2008 | Oct 16, 2008 | McDonald & Johnson Resources,llc | Fagan "A" #A 4 | 6,500 | 39132817 |
| 672792 | Oct 15, 2008 | Oct 15, 2008 | Charro Operating, L.L.C. | Blanca Shay #1 | 6,300 | 39132872 |
| 672792Amendment | Oct 15, 2008 | Oct 15, 2008 | Charro Operating, L.L.C. | Blanca Shay #1 | 6,300 | 39132872 |
| 672398 | Oct 11, 2008 | Oct 11, 2008 | Riddle Engineering Corp. | Edmund Carmody #1 R | 6,100 | 39132871 |
| 672137 | Oct 8, 2008 | Oct 8, 2008 | Hilcorp Energy Company | Thomas O'Connor "C" #48 | 5,906 | 39101569 |
| 672112 | Oct 8, 2008 | Oct 8, 2008 | T - C Oil Company | Baumgartner -A- #3 | 6,475 | 39132844 |
| 660907Amendment | Oct 8, 2008 | Oct 8, 2008 | Drillmar Operating Company | Rooke Ranch #2 | 7,100 | 39132848 |
| 671751 | Oct 4, 2008 | Oct 4, 2008 | Hilcorp Energy Company | Lambert, M. F. #112 | 5,850 | 39101356 |
| 671659 | Oct 4, 2008 | Oct 4, 2008 | T - C Oil Company | O'Connor -H- #H 29 | 6,000 | 39132870 |
| 671330 | Oct 3, 2008 | Oct 3, 2008 | Acock/Anaqua Operating Co., LP | Miguelita Scanio #20 | 7,600 | 39132868 |
| 671330Amendment | Oct 3, 2008 | Oct 3, 2008 | Acock/Anaqua Operating Co., LP | Miguelita Scanio #20 | 7,600 | 39132868 |
| 671184 | Oct 1, 2008 | Oct 1, 2008 | Hilcorp Energy Company | M. F. Lambert #84 | 5,935 | 39101189 |
| 670299 | Sep 29, 2008 | Sep 29, 2008 | Sue-Ann Operating, L.C. | Zarsky, C. F. #1R | 8,300 | 39132869 |
| 670611 | Sep 24, 2008 | Sep 24, 2008 | Hilcorp Energy Company | Tom O'Connor (5800 SD) FLD Unit #P064 | 5,915 | 39101346 |
| 670163 | Sep 17, 2008 | Sep 17, 2008 | T - C Oil Company | O'Connor #40 | 4,821 | 39100257 |
| 669988 | Sep 16, 2008 | Sep 16, 2008 | Hilcorp Energy Company | M. F. Lambert #53 | 5,915 | 39101431 |
| 669988Amendment | Sep 16, 2008 | Sep 16, 2008 | Hilcorp Energy Company | M. F. Lambert #53 | 5,915 | 39101431 |
| 669759 | Sep 16, 2008 | Sep 16, 2008 | Hilcorp Energy Company | M. F. Lambert #50 | 5,905 | 39101428 |
| 669752 | Sep 16, 2008 | Sep 16, 2008 | Hilcorp Energy Company | M. F. Lambert #102 | 5,855 | 39101443 |