| 690479 | Feb 2, 2010 | Feb 2, 2010 | Southwest Royalties, Inc. | Mays, Gene (Sec. 17) #3 | 9,683 | 37134707 |
| 690481 | Feb 1, 2010 | Feb 1, 2010 | Griffin Petroleum Company | Leslie #7 | 950 | 37138630 |
| 690481Amendment | Feb 1, 2010 | Feb 1, 2010 | Griffin Petroleum Company | Leslie #7 | 950 | 37138630 |
| 690182 | Jan 26, 2010 | Jan 26, 2010 | Sandridge Expl. and Prod., LLC | West State #406W | 15,000 | 37138629 |
| 690099 | Jan 25, 2010 | Jan 25, 2010 | WTG Exploration | Brennand State "A" #1 | 14,000 | 37134265 |
| 690084 | Jan 25, 2010 | Jan 25, 2010 | Pyote Water Systems, LLC | Las Ranch #1 | 8,250 | 37132418 |
| 689889 | Jan 21, 2010 | Jan 21, 2010 | Sandridge Expl. and Prod., LLC | West Ranch #4302 | 15,000 | 37138628 |
| 689783 | Jan 21, 2010 | Jan 21, 2010 | Pinnacle Mining Corporation | Barbarian II State #1 | 2,000 | 37134567 |
| 689659 | Jan 14, 2010 | Jan 14, 2010 | Sandridge Expl. and Prod., LLC | West Ranch South #7102 | 12,000 | 37138626 |
| 689576 | Jan 14, 2010 | Jan 14, 2010 | Incline Energy | Canon #1022 | 9,800 | 37138625 |
| 689557 | Jan 11, 2010 | Jan 11, 2010 | Pinnacle Mining Corporation | Barbarian State #3 | 2,000 | 37138624 |
| 689282 | Jan 11, 2010 | Jan 11, 2010 | Kinder Morgan Production Co LLC | Yates Field Unt #22B18 | 1,999 | 37133576 |
| 689246 | Jan 8, 2010 | Jan 8, 2010 | Besto Oil & Gas, Inc. | University 20-3 #2 | 7,260 | 37137495 |
| 689394 | Jan 7, 2010 | Jan 7, 2010 | Sandridge Expl. and Prod., LLC | West Ranch #4515 | 15,000 | 37138622 |
| 689306 | Jan 6, 2010 | Jan 6, 2010 | Sandridge Expl. and Prod., LLC | West Ranch #4521HH | 15,000 | 37138620 |
| 689234 | Jan 6, 2010 | Jan 6, 2010 | Sandridge Expl. and Prod., LLC | Downie Ranch #302 | 12,000 | 37135850 |
| 689310 | Jan 5, 2010 | Jan 5, 2010 | Sandridge Expl. and Prod., LLC | West Ranch #6095 | 15,000 | 37138621 |
| 689310Amendment | Jan 5, 2010 | Jan 5, 2010 | Sandridge Expl. and Prod., LLC | West Ranch #6095 | 15,000 | 37138621 |
| 689310Amendment | Jan 5, 2010 | Jan 5, 2010 | Sandridge Expl. and Prod., LLC | West Ranch #6095 | 15,000 | 37138621 |
| 689256 | Jan 4, 2010 | Jan 4, 2010 | Pinnacle Mining Corporation | Barbarian State #4 | 2,000 | 37138619 |
| 689178 | Dec 30, 2009 | Dec 30, 2009 | Sandridge Expl. and Prod., LLC | Longfellow King 9 #2301 | 14,000 | 37138618 |
| 688690 | Dec 21, 2009 | Dec 21, 2009 | Telesis Operating Co., Inc. | University 16-8 #1 | 8,999 | 37138617 |
| 688791 | Dec 17, 2009 | Dec 17, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #4519 | 15,000 | 37138616 |
| 688627 | Dec 16, 2009 | Dec 16, 2009 | Sandridge Expl. and Prod., LLC | West State #405E | 15,000 | 37138615 |
| 688584 | Dec 14, 2009 | Dec 14, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #6096 | 15,000 | 37138614 |
| 688351 | Dec 10, 2009 | Dec 10, 2009 | Pinnacle Mining Corporation | Barbarian State #1 | 2,000 | 37138613 |
| 688278 | Dec 8, 2009 | Dec 8, 2009 | Endeavor Energy Resources L.P. | State McIntyre #2 | 16,000 | 37131213 |
| 688278Amendment | Dec 8, 2009 | Dec 8, 2009 | Endeavor Energy Resources L.P. | State McIntyre #2 | 16,000 | 37131213 |
| 688163 | Dec 4, 2009 | Dec 4, 2009 | Chesapeake Operating, Inc. | McCoy Remme Ranches State 27 #1 | 18,000 | 37137640 |
| 688067 | Dec 2, 2009 | Dec 2, 2009 | Sandridge Expl. and Prod., LLC | West Ranch South #7106 | 12,000 | 37138611 |
| 688016 | Dec 1, 2009 | Dec 1, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #4518 | 15,000 | 37138610 |
| 688016Amendment | Dec 1, 2009 | Dec 1, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #4518 | 15,000 | 37138610 |
| 688014 | Dec 1, 2009 | Dec 1, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #4517 | 15,000 | 37138609 |
| 687989 | Nov 30, 2009 | Nov 30, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #3415HH | 15,000 | 37138608 |
| 687989Amendment | Nov 30, 2009 | Nov 30, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #3415HH | 15,000 | 37138608 |
| 687716 | Nov 25, 2009 | Nov 25, 2009 | Olsen Energy Inc. | Millar, L.H. Etal #13 | 4,000 | 37131717 |
| 687626 | Nov 20, 2009 | Nov 20, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #4516 | 15,000 | 37138607 |
| 687625 | Nov 20, 2009 | Nov 20, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #4514 | 15,000 | 37138606 |
| 687190 | Nov 20, 2009 | Nov 20, 2009 | Bandera Development GP, LLC | Indian Mesa 49 #1 | 8,100 | 37138605 |
| 687484 | Nov 18, 2009 | Nov 18, 2009 | Sandridge Expl. and Prod., LLC | West State #2419 | 15,000 | 37138604 |
| 687482 | Nov 17, 2009 | Nov 17, 2009 | Sandridge Expl. and Prod., LLC | Allison 4 #102 | 14,000 | 37138603 |
| 687087 | Nov 9, 2009 | Nov 9, 2009 | Sandridge Expl. and Prod., LLC | West Ranch South #5304 | 12,000 | 37138601 |
| 687087Amendment | Nov 9, 2009 | Nov 9, 2009 | Sandridge Expl. and Prod., LLC | West Ranch South #5304 | 12,000 | 37138601 |
| 687085 | Nov 9, 2009 | Nov 9, 2009 | Sandridge Expl. and Prod., LLC | West Ranch South #5203 | 12,000 | 37138602 |
| 687085Amendment | Nov 9, 2009 | Nov 9, 2009 | Sandridge Expl. and Prod., LLC | West Ranch South #5203 | 12,000 | 37138602 |
| 686675 | Nov 6, 2009 | Nov 6, 2009 | BC Operating, Inc. | Priest & Beavers Unit #29W | 4,000 | 37138600 |
| 687028 | Nov 5, 2009 | Nov 5, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #4608 | 12,000 | 37138599 |
| 686896 | Nov 5, 2009 | Nov 5, 2009 | Sandridge Expl. and Prod., LLC | Allison #4809 | 12,000 | 37138597 |
| 686895 | Nov 5, 2009 | Nov 5, 2009 | Sandridge Expl. and Prod., LLC | Allison #4808 | 12,000 | 37138598 |
| 686414 | Oct 23, 2009 | Oct 23, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #275C19H | 1,999 | 37106416 |
| 686372 | Oct 23, 2009 | Oct 23, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #36A23H | 1,999 | 37132805 |
| 686410 | Oct 22, 2009 | Oct 22, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #82F11H | 1,999 | 37107278 |
| 686312 | Oct 21, 2009 | Oct 21, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #37B52H | 1,999 | 37134184 |
| 686296 | Oct 21, 2009 | Oct 21, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #275Z21H | 1,999 | 37132760 |
| 686286 | Oct 20, 2009 | Oct 20, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #47A22H | 1,999 | 37134148 |
| 686211 | Oct 19, 2009 | Oct 19, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #40E17H | 1,999 | 37106126 |
| 686193 | Oct 19, 2009 | Oct 19, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #273E19H | 1,999 | 37133026 |
| 686185 | Oct 19, 2009 | Oct 19, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #273D30H | 1,999 | 37133708 |
| 686180 | Oct 16, 2009 | Oct 16, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #54D30H | 1,999 | 37132814 |
| 686172 | Oct 16, 2009 | Oct 16, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #38A05H | 1,999 | 37132382 |
| 686166 | Oct 15, 2009 | Oct 15, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #40B42H | 1,999 | 37132658 |
| 686146 | Oct 15, 2009 | Oct 15, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #39B24H | 1,999 | 37133416 |
| 686044 | Oct 15, 2009 | Oct 15, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #20A23H | 1,999 | 37133785 |
| 686136 | Oct 14, 2009 | Oct 14, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #35D14H | 1,999 | 37103147 |
| 686134 | Oct 14, 2009 | Oct 14, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #27B24H | 1,999 | 37135895 |
| 686133 | Oct 14, 2009 | Oct 14, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #25D16H | 1,999 | 37134394 |
| 686089 | Oct 14, 2009 | Oct 14, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #37E16 | 1,999 | 37106984 |
| 686087 | Oct 14, 2009 | Oct 14, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #51D36 | 1,999 | 37132815 |
| 686084 | Oct 14, 2009 | Oct 14, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #275B12 | 1,999 | 37106554 |
| 686048 | Oct 14, 2009 | Oct 14, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #24A39H | 1,999 | 37136064 |
| 686043 | Oct 14, 2009 | Oct 14, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #214N68H | 1,999 | 37134676 |
| 686064 | Oct 13, 2009 | Oct 13, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #273Z11 | 1,999 | 37106869 |
| 686046 | Oct 13, 2009 | Oct 13, 2009 | Kinder Morgan Production Co LLC | Yates Field Unit #21A14H | 1,999 | 37134403 |
| 685995 | Oct 12, 2009 | Oct 12, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #2624 | 12,000 | 37138595 |
| 685995Amendment | Oct 12, 2009 | Oct 12, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #2624 | 12,000 | 37138595 |
| 685993 | Oct 12, 2009 | Oct 12, 2009 | Sandridge Expl. and Prod., LLC | West Ranch South #7103 | 12,000 | 37138596 |
| 685955 | Oct 9, 2009 | Oct 9, 2009 | Rabalais, F.W. Inc. | Tippett, J.H. (Fee) #21 | 550 | 37138594 |
| 685951 | Oct 9, 2009 | Oct 9, 2009 | Sandridge Expl. and Prod., LLC | West Ranch South #5202 | 12,000 | 37138593 |
| 685895 | Oct 9, 2009 | Oct 9, 2009 | Sandridge Expl. and Prod., LLC | Gonzalez #301 | 12,000 | 37138591 |
| 685895Amendment | Oct 9, 2009 | Oct 9, 2009 | Sandridge Expl. and Prod., LLC | Gonzalez #301 | 12,000 | 37138591 |
| 685895Amendment | Oct 9, 2009 | Oct 9, 2009 | Sandridge Expl. and Prod., LLC | Gonzalez #301 | 12,000 | 37138591 |
| 685895Amendment | Oct 9, 2009 | Oct 9, 2009 | Sandridge Expl. and Prod., LLC | Gonzalez #301 | 12,000 | 37138591 |
| 685895Amendment | Oct 9, 2009 | Oct 9, 2009 | Sandridge Expl. and Prod., LLC | Gonzalez #301 | 12,000 | 37138591 |
| 685910 | Oct 8, 2009 | Oct 8, 2009 | Encore Operating, L.P. | Hodge, J. Howard #8HH | 11,700 | 37138592 |
| 685910Amendment | Oct 8, 2009 | Oct 8, 2009 | Quantum Resources Management,llc | Hodge, J. Howard #8HH | 12,050 | 37138592 |
| 685893 | Oct 8, 2009 | Oct 8, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #4509 | 12,000 | 37138590 |
| 685891 | Oct 8, 2009 | Oct 8, 2009 | Sandridge Expl. and Prod., LLC | West State #403 E | 12,000 | 37137601 |
| 685891Amendment | Oct 8, 2009 | Oct 8, 2009 | Sandridge Expl. and Prod., LLC | West State #403 E | 12,000 | 37137601 |
| 685886 | Oct 8, 2009 | Oct 8, 2009 | Sandridge Expl. and Prod., LLC | West Ranch South #7105 | 12,000 | 37138589 |
| 685612 | Sep 29, 2009 | Sep 29, 2009 | Sandridge Expl. and Prod., LLC | West State #405W | 14,000 | 37138587 |
| 685611 | Sep 29, 2009 | Sep 29, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #2340 | 12,000 | 37138588 |
| 685611Amendment | Sep 29, 2009 | Sep 29, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #2340 | 12,000 | 37138588 |
| 685581 | Sep 28, 2009 | Sep 28, 2009 | Sandridge Expl. and Prod., LLC | Allison #4810 | 12,000 | 37138586 |
| 685506 | Sep 24, 2009 | Sep 24, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #4511 | 12,000 | 37138585 |
| 685504 | Sep 24, 2009 | Sep 24, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #4513 | 12,000 | 37138584 |
| 685504Amendment | Sep 24, 2009 | Sep 24, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #4513 | 12,000 | 37138584 |
| 685488 | Sep 24, 2009 | Sep 24, 2009 | Sandridge Expl. and Prod., LLC | West Ranch #4412 | 12,000 | 37138583 |
| 685425 | Sep 23, 2009 | Sep 23, 2009 | Stephens & Johnson Operating Co. | Nutt Ranch State '14' #1 | 7,600 | 37138582 |
| 682494 | Sep 23, 2009 | Sep 23, 2009 | Westridge Oil & Gas Properties | Imperial "72" #304 | 1,999 | 37138546 |
| 685065 | Sep 22, 2009 | Sep 22, 2009 | Sandridge Expl. and Prod., LLC | Longfellow State "600" #1504 | 7,500 | 37137580 |