| 756470 | Feb 19, 2013 | Feb 19, 2013 | Conocophillips Company | Limpia #6 | 8,600 | 13503476 |
| 756622 | Feb 14, 2013 | Feb 14, 2013 | Reliance Energy, Inc. | Ratliff A #1917 | 13,000 | 13542313 |
| 756537 | Feb 14, 2013 | Feb 14, 2013 | Telesis Operating Co., Inc. | Cowden 16 #1 | 4,500 | 13542311 |
| 756526 | Feb 14, 2013 | Feb 14, 2013 | Sandridge Expl. and Prod., LLC | Parker Minerals 17 #3 | 9,000 | 13542310 |
| 756236 | Feb 14, 2013 | Feb 14, 2013 | XTO Energy Inc. | Goldsmith, C.A., Etal #627W | 6,750 | 13501005 |
| 756227 | Feb 14, 2013 | Feb 14, 2013 | XTO Energy Inc. | Goldsmith, C.A., Etal #571W | 6,700 | 13500950 |
| 756414 | Feb 13, 2013 | Feb 13, 2013 | Devon Energy Production Co, L.P. | Mayberry #2 | 11,000 | 13542309 |
| 756414Amendment | Feb 13, 2013 | Feb 13, 2013 | Devon Energy Production Co, L.P. | Mayberry #2 | 11,000 | 13542309 |
| 754423 | Feb 13, 2013 | Feb 13, 2013 | OXY USA WTP LP | Harper Devonian Unit #712 | 11,000 | 13542247 |
| 756111 | Feb 12, 2013 | Feb 12, 2013 | Fasken Oil and Ranch, Ltd. | Fee 'BJ' WSW #1 | 2,000 | 13533800 |
| 756292 | Feb 8, 2013 | Feb 8, 2013 | BC Operating, Inc. | Jason #7 | 7,200 | 13542308 |
| 756144 | Feb 8, 2013 | Feb 8, 2013 | Occidental Permian Ltd. | Schar #18 | 6,800 | 13542301 |
| 756144Amendment | Feb 8, 2013 | Feb 8, 2013 | Occidental Permian Ltd. | Schar #18 | 6,800 | 13542301 |
| 756239 | Feb 7, 2013 | Feb 7, 2013 | Devon Energy Production Co, L.P. | RFD #10 | 10,250 | 13542306 |
| 756213 | Feb 7, 2013 | Feb 7, 2013 | BC Operating, Inc. | Adam #11 | 7,200 | 13542305 |
| 756207 | Feb 7, 2013 | Feb 7, 2013 | BC Operating, Inc. | Brian #1 | 7,200 | 13542304 |
| 756149 | Feb 7, 2013 | Feb 7, 2013 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #611 | 6,800 | 13542302 |
| 756149Amendment | Feb 7, 2013 | Feb 7, 2013 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #611 | 6,800 | 13542302 |
| 756149Amendment | Feb 7, 2013 | Feb 7, 2013 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #611 | 6,800 | 13542302 |
| 756101 | Feb 7, 2013 | Feb 7, 2013 | Devon Energy Production Co, L.P. | Opie #7 | 10,400 | 13542299 |
| 756101Amendment | Feb 7, 2013 | Feb 7, 2013 | Devon Energy Production Co, L.P. | Opie #7 | 10,450 | 13542299 |
| 756080 | Feb 7, 2013 | Feb 7, 2013 | Berry Oil Comp. | Gardendale 5 #14 | 11,900 | 13542303 |
| 756080Amendment | Feb 7, 2013 | Feb 7, 2013 | Berry Oil Comp. | Gardendale 5 #14 | 11,900 | 13542303 |
| 756076 | Feb 6, 2013 | Feb 6, 2013 | Devon Energy Production Co, L.P. | Tatia #36 | 11,000 | 13542298 |
| 756008 | Feb 6, 2013 | Feb 6, 2013 | Reliance Energy, Inc. | Ratliff A #2013 | 13,000 | 13542295 |
| 756008Amendment | Feb 6, 2013 | Feb 6, 2013 | Reliance Energy, Inc. | Ratliff A #2013 | 13,000 | 13542295 |
| 755987 | Feb 6, 2013 | Feb 6, 2013 | Devon Energy Production Co, L.P. | Gomer 7 Unit #15 | 11,000 | 13542297 |
| 755976 | Feb 6, 2013 | Feb 6, 2013 | Reliance Energy, Inc. | Ratliff A #2008 | 13,000 | 13542290 |
| 756017 | Feb 5, 2013 | Feb 5, 2013 | Reliance Energy, Inc. | Ratliff F #3010 | 13,000 | 13542296 |
| 756006 | Feb 5, 2013 | Feb 5, 2013 | Reliance Energy, Inc. | Ratliff A #2012 | 13,000 | 13542294 |
| 756001 | Feb 5, 2013 | Feb 5, 2013 | Reliance Energy, Inc. | Ratliff A #2011 | 13,000 | 13542293 |
| 755978 | Feb 5, 2013 | Feb 5, 2013 | Reliance Energy, Inc. | Ratliff A #2009 | 13,000 | 13542291 |
| 755281 | Jan 31, 2013 | Jan 31, 2013 | Walsh & Watts, Inc. | Parker -A- #16 | 4,500 | 13542289 |
| 755279 | Jan 31, 2013 | Jan 31, 2013 | Walsh & Watts, Inc. | Parker -D- #17 | 4,500 | 13542288 |
| 755595 | Jan 30, 2013 | Jan 30, 2013 | Imperial Gas Resources LLC | Jessie Williamson A #8A | 8,150 | 13539586 |
| 755571 | Jan 30, 2013 | Jan 30, 2013 | Jamex, Inc. | Red Rock #2 | 11,300 | 13542287 |
| 755571Amendment | Jan 30, 2013 | Jan 30, 2013 | Jamex, Inc. | Red Rock #2 | 11,300 | 13542287 |
| 754997 | Jan 30, 2013 | Jan 30, 2013 | XTO Energy Inc. | Goldsmith, C.A., Etal #552W | 6,600 | 13500931 |
| 754768 | Jan 29, 2013 | Jan 29, 2013 | XTO Energy Inc. | Goldsmith, C.A., Etal #716W | 6,700 | 13501093 |
| 755490 | Jan 28, 2013 | Jan 28, 2013 | Reliance Energy, Inc. | Ratliff A #1916 | 13,000 | 13542286 |
| 755485 | Jan 28, 2013 | Jan 28, 2013 | Reliance Energy, Inc. | Ratliff A #1914 | 13,000 | 13542285 |
| 755481 | Jan 28, 2013 | Jan 28, 2013 | Reliance Energy, Inc. | Ratliff A #1913 | 13,000 | 13542284 |
| 755479 | Jan 28, 2013 | Jan 28, 2013 | Reliance Energy, Inc. | Ratliff A #1912 | 13,000 | 13542283 |
| 755474 | Jan 28, 2013 | Jan 28, 2013 | Reliance Energy, Inc. | Ratliff A #1911 | 13,000 | 13542282 |
| 755474Amendment | Jan 28, 2013 | Jan 28, 2013 | Reliance Energy, Inc. | Ratliff A #1911 | 14,000 | 13542282 |
| 755473 | Jan 28, 2013 | Jan 28, 2013 | Reliance Energy, Inc. | Ratliff A #1910 | 13,000 | 13542280 |
| 755469 | Jan 28, 2013 | Jan 28, 2013 | Reliance Energy, Inc. | Ratliff A #1909 | 13,000 | 13542281 |
| 755466 | Jan 28, 2013 | Jan 28, 2013 | Reliance Energy, Inc. | Ratliff A #1908 | 13,000 | 13542279 |
| 755466Amendment | Jan 28, 2013 | Jan 28, 2013 | Reliance Energy, Inc. | Ratliff A #1908 | 13,000 | 13542279 |
| 755458 | Jan 28, 2013 | Jan 28, 2013 | Reliance Energy, Inc. | Ratliff A #1907 | 13,000 | 13542278 |
| 755449 | Jan 28, 2013 | Jan 28, 2013 | Reliance Energy, Inc. | Ratliff A #1906 | 13,000 | 13542277 |
| 755332 | Jan 28, 2013 | Jan 28, 2013 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #596 | 6,800 | 13542274 |
| 755305 | Jan 25, 2013 | Jan 25, 2013 | Nabors Completion & Prod Serv Co | Nabors Odesssa BW #1 | 4,000 | 13542272 |
| 755193 | Jan 25, 2013 | Jan 25, 2013 | Legacy Reserves Operating LP | Moss Ranch '6' #7 | 10,800 | 13542271 |
| 755148 | Jan 25, 2013 | Jan 25, 2013 | BC Operating, Inc. | Gideon #7 | 7,200 | 13542270 |
| 755092 | Jan 25, 2013 | Jan 25, 2013 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #598 | 6,800 | 13542269 |
| 755092Amendment | Jan 25, 2013 | Jan 25, 2013 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #598 | 6,800 | 13542269 |
| 754672 | Jan 25, 2013 | Jan 25, 2013 | Conocophillips Company | South Fault Block Unit #411 | 9,000 | 13502698 |
| 754994 | Jan 23, 2013 | Jan 23, 2013 | Occidental Permian Ltd. | Schar #19 | 6,800 | 13542266 |
| 754992 | Jan 23, 2013 | Jan 23, 2013 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #685 | 6,800 | 13542268 |
| 754988 | Jan 23, 2013 | Jan 23, 2013 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #681 | 6,800 | 13542267 |
| 754591 | Jan 23, 2013 | Jan 23, 2013 | Walsh & Watts, Inc. | Moss #27 | 4,500 | 13542265 |
| 754585 | Jan 23, 2013 | Jan 23, 2013 | Walsh & Watts, Inc. | TXL #5 | 4,500 | 13542264 |
| 754986 | Jan 22, 2013 | Jan 22, 2013 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #661 | 6,800 | 13542260 |
| 754985 | Jan 22, 2013 | Jan 22, 2013 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #600 | 6,800 | 13542259 |
| 754985Amendment | Jan 22, 2013 | Jan 22, 2013 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #600 | 6,800 | 13542259 |
| 754979 | Jan 22, 2013 | Jan 22, 2013 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #597 | 6,800 | 13542258 |
| 754975 | Jan 22, 2013 | Jan 22, 2013 | Occidental Permian Ltd. | Goldsmith-Landreth /Deep/ Unit #37R | 6,800 | 13542257 |
| 754952 | Jan 22, 2013 | Jan 22, 2013 | XTO Energy Inc. | Goldsmith, C.A. et Al #2319 | 6,800 | 13542256 |
| 754912 | Jan 22, 2013 | Jan 22, 2013 | Jamex, Inc. | Ford #1 | 11,300 | 13542263 |
| 754912Amendment | Jan 22, 2013 | Jan 22, 2013 | Jamex, Inc. | Ford #1 | 11,300 | 13542263 |
| 754849 | Jan 22, 2013 | Jan 22, 2013 | Legado Permian, LLC | Goldsmith-Landreth/San Andres/UT #203RW | 4,550 | 13542261 |
| 754425 | Jan 22, 2013 | Jan 22, 2013 | XTO Energy Inc. | Goldsmith, C.A. et Al #2314 | 6,870 | 13542262 |
| 753916 | Jan 22, 2013 | Jan 22, 2013 | Devon Energy Production Co, L.P. | Opie #6 | 10,400 | 13542228 |
| 754902 | Jan 18, 2013 | Jan 18, 2013 | XTO Energy Inc. | Goldsmith, C.A. et Al #2318 | 6,800 | 13542255 |
| 754900 | Jan 18, 2013 | Jan 18, 2013 | XTO Energy Inc. | Goldsmith, C.A. et Al #2317 | 6,960 | 13542254 |
| 754895 | Jan 18, 2013 | Jan 18, 2013 | XTO Energy Inc. | Goldsmith, C.A. et Al #2315 | 6,750 | 13542253 |
| 754671 | Jan 17, 2013 | Jan 17, 2013 | Apache Corporation | TXL South Unit #5722 | 7,000 | 13542252 |
| 754614 | Jan 17, 2013 | Jan 17, 2013 | Apache Corporation | TXL South Unit #6124 | 7,000 | 13542251 |
| 754611 | Jan 16, 2013 | Jan 16, 2013 | Apache Corporation | TXL South Unit #3611 | 7,000 | 13542250 |
| 754579 | Jan 16, 2013 | Jan 16, 2013 | Apache Corporation | TXL South Unit #5721 | 7,000 | 13542249 |
| 754536 | Jan 16, 2013 | Jan 16, 2013 | BC Operating, Inc. | Richard #10 | 7,200 | 13542248 |
| 754411 | Jan 15, 2013 | Jan 15, 2013 | XTO Energy Inc. | Goldsmith, C.A. et Al #2313 | 6,870 | 13542245 |
| 753607 | Jan 15, 2013 | Jan 15, 2013 | BC Operating, Inc. | Henry #8 | 7,200 | 13542214 |
| 753607Amendment | Jan 15, 2013 | Jan 15, 2013 | Linn Operating, Inc. | Henry #8 | 7,350 | 13542214 |
| 754357 | Jan 14, 2013 | Jan 14, 2013 | Apache Corporation | TXL North Unit #1029HH | 7,000 | 13542243 |
| 754357Amendment | Jan 14, 2013 | Jan 14, 2013 | Apache Corporation | TXL North Unit #1029HH | 7,000 | 13542243 |
| 754357Amendment | Jan 14, 2013 | Jan 14, 2013 | Apache Corporation | TXL North Unit #1029HH | 7,000 | 13542243 |
| 754348 | Jan 14, 2013 | Jan 14, 2013 | Apache Corporation | TXL North Unit #1028HH | 7,000 | 13542244 |
| 754348Amendment | Jan 14, 2013 | Jan 14, 2013 | Apache Corporation | TXL North Unit #1028HH | 7,000 | 13542244 |
| 754341 | Jan 14, 2013 | Jan 14, 2013 | Jamex, Inc. | Red Rock #1 | 11,300 | 13542241 |
| 754341Amendment | Jan 14, 2013 | Jan 14, 2013 | Jamex, Inc. | Red Rock #1 | 11,300 | 13542241 |
| 753666 | Jan 11, 2013 | Jan 11, 2013 | Linn Operating, Inc. | Gina #3604 | 10,199 | 13540197 |
| 752874 | Jan 11, 2013 | Jan 11, 2013 | Occidental Permian Ltd. | Penny Ann #1 | 11,000 | 13542195 |
| 754192 | Jan 10, 2013 | Jan 10, 2013 | XTO Energy Inc. | Goldsmith, C.A. et Al #2312 | 6,870 | 13542240 |
| 754182 | Jan 10, 2013 | Jan 10, 2013 | XTO Energy Inc. | Goldsmith, C.A. et Al #2311 | 6,870 | 13542239 |
| 751994 | Jan 10, 2013 | Jan 10, 2013 | Chevron U. S. A. Inc. | Lupin TXL Fee 'C' #2915E | 12,000 | 13542160 |
| 751970 | Jan 10, 2013 | Jan 10, 2013 | Chevron U. S. A. Inc. | Lupin TXL Fee 'C' #2912E | 12,000 | 13542157 |
| 751965 | Jan 10, 2013 | Jan 10, 2013 | Chevron U. S. A. Inc. | Lupin TXL Fee 'C' #2910E | 12,000 | 13542155 |
| 754157 | Jan 9, 2013 | Jan 9, 2013 | XTO Energy Inc. | Goldsmith, C.A. et Al #2310 | 6,870 | 13542238 |