| 2013-04-17 | 759875 | 42-489-31271 | YTURRIA RR #22RR | RISCO LA SARA OPERATIONS, LLC | DRILL | 4,000 | |
| 2013-04-17 | 759875 | 42-489-31271 | YTURRIA RR #22RR | LA SARA OPERATING COMPANY, LLC | DRILL | 4,010 | |
| 2013-03-21 | 759152 | 42-489-31270 | STUDEBAKER #1 | SUEMAUR EXPL. & PROD., LLC | DRILL | 14,000 | |
| 2013-03-21 | 759152 | 42-489-31270 | STUDEBAKER, ET AL GU #1 | SUEMAUR EXPL. & PROD., LLC | DRILL | 14,000 | |
| 2013-02-15 | 756636 | 42-489-30878 | SAUZ RANCH MULATOS PASTURE #202 | FLINT OAK ENERGY, LLC | RECOMP | 8,070 | |
| 2013-02-15 | 756636 | 42-489-30878 | SAUZ RANCH MULATOS PASTURE #202 | FLINT OAK ENERGY, LLC | RECOMP | 8,070 | |
| 2013-02-13 | 756366 | 42-489-30876 | SAUZ RANCH MULATOS PASTURE #207 | FLINT OAK ENERGY, LLC | RECOMP | 8,090 | |
| 2013-02-13 | 756366 | 42-489-30876 | SAUZ RANCH MULATOS PASTURE #207 | FLINT OAK ENERGY, LLC | RECOMP | 8,090 | |
| 2013-02-07 | 756147 | 42-489-30923 | M. G. THOMAS, ET AL #1 | XTO ENERGY INC. | RECOMP | 13,675 | |
| 2013-01-29 | 755295 | 42-489-31269 | YTURRIA RR #20RR | RISCO LA SARA OPERATIONS, LLC | DRILL | 6,200 | |
| 2013-01-29 | 755295 | 42-489-31269 | YTURRIA RR #20RR | RISCO LA SARA OPERATIONS, LLC | DRILL | 6,500 | |
| 2013-01-29 | 755295 | 42-489-31269 | YTURRIA RR #20RR | LA SARA OPERATING COMPANY, LLC | DRILL | 6,500 | |
| 2012-11-15 | 751054 | 42-489-31268 | YTURRIA #22 | RISCO LA SARA OPERATIONS, LLC | DRILL | 10,200 | |
| 2012-10-29 | 748620 | 42-489-30673 | SAUZ RANCH MULATOS PASTURE #175 | FLINT OAK ENERGY, LLC | RECOMP | 6,400 | |
| 2012-10-17 | 749644 | 42-489-31194 | COLEMAN UNIT #1 | DEWBRE PETROLEUM CORPORATION | RECOMP | 11,750 | |
| 2012-08-16 | 746112 | 42-489-30640 | SAUZ RANCH MULATOS PASTURE #169 | FLINT OAK ENERGY, LLC | RECOMP | 7,750 | |
| 2012-08-16 | 746097 | 42-489-00194 | SAUZ RANCH MULATOS PASTURE #31 | FLINT OAK ENERGY, LLC | RECOMP | 7,956 | |
| 2012-07-27 | 744839 | 42-489-31267 | YTURRIA #31RR | RISCO LA SARA OPERATIONS, LLC | DRILL | 9,705 | |
| 2012-06-15 | 742232 | 42-489-31208 | EP GARCIA RANCH #1 | XTO ENERGY INC. | RECOMP | 18,170 | |
| 2012-05-18 | 740355 | 42-489-30875 | SAUZ RANCH MULATOS PASTURE #206 | FLINT OAK ENERGY, LLC | RECOMP | 8,070 | |
| 2012-05-18 | 740354 | 42-489-30868 | SAUZ RANCH MULATOS PASTURE #188 | FLINT OAK ENERGY, LLC | RECOMP | 8,100 | |
| 2012-05-18 | 740352 | 42-489-30879 | SAUZ RANCH MULATOS PASTURE #201 | FLINT OAK ENERGY, LLC | RECOMP | 9,075 | |
| 2012-05-18 | 740352 | 42-489-30879 | SAUZ RANCH MULATOS PASTURE #201 | FLINT OAK ENERGY, LLC | RECOMP | 9,075 | |
| 2012-04-26 | 737540 | 42-489-30126 | WILLAMAR WEST UNIT #140 | CITATION OIL & GAS CORP. | RECOMP | 7,980 | |
| 2012-04-16 | 736291 | 42-489-31266 | YTURRIA #15 | RISCO LA SARA OPERATIONS, LLC | DRILL | 14,200 | |
| 2012-04-16 | 736291 | 42-489-31266 | YTURRIA #15 | LA SARA OPERATING COMPANY, LLC | DRILL | 14,200 | |
| 2012-04-06 | 735641 | 42-489-00518 | GEIS, HARVEY #2 | BELLOWS OPERATING CO., L. C. | RENTR | 10,200 | |
| 2012-02-17 | 733769 | 42-489-31265 | YTURRIA #29D | RISCO LA SARA OPERATIONS, LLC | DRILL | 6,200 | |
| 2012-01-31 | 732131 | 42-489-31264 | YTURRIA #1C | RISCO LA SARA OPERATIONS, LLC | DRILL | 6,200 | |
| 2012-01-23 | 731704 | 42-489-30946 | KLEBERG, R. J. JR. TR. STILLMAN #88 | EXXON MOBIL CORPORATION | RECOMP | 11,666 | |
| 2011-12-29 | 730391 | 42-489-31263 | YTURRIA #20 | RISCO LA SARA OPERATIONS, LLC | DRILL | 10,134 | |
| 2011-12-29 | 730391 | 42-489-31263 | YTURRIA #20 | RISCO LA SARA OPERATIONS, LLC | DRILL | 10,500 | |
| 2011-12-10 | 729508 | 42-489-31262 | HARGILL GAS UNIT 'B' #1 | SANCHEZ OIL & GAS CORPORATION | DRILL | 15,000 | |
| 2011-12-07 | 729005 | 42-489-31261 | RAYMONDVILLE SWD #1 | TITAN VACUUM SERVICES, LLC | DRILL | 6,900 | |
| 2011-11-10 | 727281 | 42-489-30961 | KLEBERG, R.J.JR.TR.STILLMAN #101 | EXXON MOBIL CORPORATION | RECOMP | 12,500 | |
| 2011-09-20 | 723831 | 42-489-31260 | YTURRIA #11 | RISCO LA SARA OPERATIONS, LLC | DRILL | 10,500 | |
| 2011-09-13 | 721967 | 42-489-31207 | YTURRIA #A 2RR | RISCO LA SARA OPERATIONS, LLC | RECOMP | 3,650 | |
| 2011-08-02 | 720779 | 42-489-31259 | YTURRIA #7 | RISCO LA SARA OPERATIONS, LLC | DRILL | 7,000 | |
| 2011-08-02 | 720779 | 42-489-31259 | YTURRIA #7 | RISCO LA SARA OPERATIONS, LLC | DRILL | 7,000 | |
| 2011-07-06 | 719575 | 42-489-31258 | HARGILL GAS UNIT "A" #2 | SANCHEZ OIL & GAS CORPORATION | DRILL | 15,500 | |
| 2011-07-06 | 719575 | 42-489-31258 | HARGILL GAS UNIT 'A' #2 | SANCHEZ OIL & GAS CORPORATION | DRILL | 15,500 | |
| 2011-06-03 | 717508 | 42-489-31257 | LUITJEN #1 | WAGNER OIL COMPANY | DRILL | 11,950 | |
| 2011-05-13 | 716111 | 42-489-31002 | KLEBERG, R. J. JR. TR. STILLMAN #132 | EXXON MOBIL CORPORATION | RECOMP | 13,380 | |
| 2011-04-21 | 714473 | 42-489-30959 | ROBERT J KLEBERG, JR TR STILLMAN #102 | EXXON MOBIL CORPORATION | RECOMP | 12,350 | |
| 2011-02-22 | 710585 | 42-489-31256 | YTURRIA #14 | BLAKENERGY OPERATING, LLC | DRILL | 11,000 | |
| 2011-02-02 | 707334 | 42-489-30999 | TORDILLA FIELD GAS UNIT 1 #3 | EXXON MOBIL CORPORATION | RECOMP | 12,300 | |
| 2011-01-10 | 707997 | 42-489-31255 | H.P. PINNELL #1 | LIGHTHOUSE OPERATING, INC. | DRILL | 4,500 | |
| 2010-12-14 | 706710 | 42-489-31254 | YTURRIA #31D | BLAKENERGY OPERATING, LLC | DRILL | 3,000 | |
| 2010-11-23 | 705723 | 42-489-31248 | KLEBERG, R J JR TR STILLMAN #503 | EOG RESOURCES, INC. | RECOMP | 16,000 | |
| 2010-11-10 | 704950 | 42-489-30972 | KLEBERG, R. J. JR. TR. STILLMAN #104 | EXXON MOBIL CORPORATION | RECOMP | 12,176 | |