| 2005-02-16 | 557798 | 42-261-31381 | CLARK-SAIN #12 | ABACO OPERATING, LLC | DRILL | 17,000 | |
| 2005-02-03 | 557201 | 42-261-31380 | KENEDY, JR., JOHN G. "J" #42 | HEADINGTON OIL COMPANY, L.P. | DRILL | 14,500 | |
| 2005-01-28 | 556956 | 42-261-31379 | EAST, S. K. #14 | NEWFIELD EXPLORATION COMPANY | DRILL | 14,800 | |
| 2005-01-18 | 556349 | 42-261-31314 | BALL #2 | ABACO OPERATING, LLC | RECOMP | 16,380 | |
| 2005-01-18 | 556348 | 42-261-31348 | CLARK-SAIN #10 | ABACO OPERATING, LLC | RECOMP | 15,410 | |
| 2005-01-18 | 556346 | 42-261-31296 | BALL #1 | ABACO OPERATING, LLC | RECOMP | 12,850 | |
| 2004-12-21 | 555157 | 42-261-31378 | ARMSTRONG, TOBIN #10 | HEADINGTON OIL COMPANY, L.P. | DRILL | 10,500 | |
| 2004-12-21 | 555157 | 42-261-31378 | ARMSTRONG, TOBIN #10 | HEADINGTON OIL COMPANY, L.P. | DRILL | 10,500 | |
| 2004-12-16 | 554965 | 42-261-31377 | KENEDY, JOHN G., JR "J" #34 | HEADINGTON OIL COMPANY, L.P. | DRILL | 14,500 | |
| 2004-12-14 | 554823 | 42-261-31376 | ARMSTRONG, TOBIN #9 | HEADINGTON OIL COMPANY, L.P. | DRILL | 10,500 | |
| 2004-12-14 | 554823 | 42-261-31376 | ARMSTRONG, TOBIN #9 | HEADINGTON OIL COMPANY, L.P. | DRILL | 10,500 | |
| 2004-11-08 | 553120 | 42-261-31375 | SULLIVAN #2 | ERSKINE ENERGY, LLC | DRILL | 15,500 | |
| 2004-10-01 | 550507 | 42-261-31372 | EAST, S K #13 | NEWFIELD EXPLORATION COMPANY | DRILL | 14,800 | |
| 2004-09-24 | 551501 | 42-261-31374 | BALL #6 | ABACO OPERATING, LLC | DRILL | 16,000 | |
| 2004-09-07 | 550550 | 42-261-31373 | KENEDY, JOHN G., JR "J" #41 | HEADINGTON OIL COMPANY, L.P. | DRILL | 19,000 | |
| 2004-08-18 | 549660 | 42-261-30583 | EAST, MRS. S. K. #115 | EXXON MOBIL CORPORATION | RECOMP | 9,630 | |
| 2004-08-09 | 549296 | 42-261-31371 | BALL #5 | ABACO OPERATING, LLC | DRILL | 16,000 | |
| 2004-08-04 | 549062 | 42-261-31137 | POTRERO FARIAS SOUTH O & G UNIT #3 | EXXON MOBIL CORPORATION | RECOMP | 9,070 | |
| 2004-07-22 | 548629 | 42-261-31370 | ARMSTRONG #2 | ABACO OPERATING, LLC | DRILL | 11,500 | |
| 2004-07-02 | 547769 | 42-261-31369 | KENEDY, JOHN G. JR. "J" #40 | HEADINGTON OIL COMPANY, L.P. | DRILL | 19,000 | |
| 2004-07-02 | 547672 | 42-261-31367 | SULLIVAN #1 | ERSKINE ENERGY, LLC | DRILL | 13,000 | |
| 2004-07-01 | 547673 | 42-261-31368 | SULLIVAN #3 | ERSKINE ENERGY, LLC | DRILL | 13,000 | |
| 2004-05-27 | 546194 | 42-261-31366 | CLARK-SAIN #11 | ABACO OPERATING, LLC | DRILL | 16,000 | |
| 2004-05-25 | 546103 | 42-261-31323 | MAGUIRE OIL DEEP #1 | ERSKINE ENERGY, LLC | RECOMP | 18,915 | |
| 2004-05-20 | 545935 | 42-261-31365 | ARMSTRONG, TOBIN #7 | HEADINGTON OIL COMPANY, L.P. | DRILL | 10,500 | |
| 2004-05-20 | 545935 | 42-261-31365 | ARMSTRONG, TOBIN #7 | HEADINGTON OIL COMPANY, L.P. | DRILL | 10,500 | |
| 2004-05-20 | 545930 | 42-261-31364 | BURNS, M. G. #9 | KALER ENERGY CORP | DRILL | 14,000 | |
| 2004-05-14 | 545711 | 42-261-31363 | ARMSTRONG, TOBIN #8 | HEADINGTON OIL COMPANY, L.P. | DRILL | 7,300 | |
| 2004-05-11 | 545397 | 42-261-31360 | KLEBERG, R J JR TR STILLMAN PAST #138 | EXXON MOBIL CORPORATION | DRILL | 10,000 | |
| 2004-05-06 | 545409 | 42-261-31362 | STEWART-BURNS #1 | SIERRA RESOURCES, LLC | DRILL | 18,000 | |
| 2004-05-06 | 545402 | 42-261-31361 | ARMSTRONG, TOBIN #5 | HEADINGTON OIL COMPANY, L.P. | DRILL | 10,500 | |
| 2004-05-06 | 545402 | 42-261-31361 | ARMSTRONG, TOBIN #5 | HEADINGTON OIL COMPANY, L.P. | DRILL | 10,500 | |
| 2004-04-23 | 544873 | 42-261-31359 | ARMSTRONG, TOBIN #6 | HEADINGTON OIL COMPANY, L.P. | DRILL | 10,500 | |
| 2004-04-23 | 544873 | 42-261-31359 | ARMSTRONG, TOBIN #6 | HEADINGTON OIL COMPANY, L.P. | DRILL | 10,500 | |
| 2004-04-09 | 544273 | 42-261-31358 | BALL #4 | ABACO OPERATING, LLC | DRILL | 16,500 | |
| 2004-04-06 | 544159 | 42-261-31357 | ARMSTONG, TOBIN #4 | HEADINGTON OIL COMPANY, L.P. | DRILL | 10,500 | |
| 2004-04-05 | 544022 | 42-261-31356 | KLEBERG, R J JR TR STILLMAN PAST #137 | EXXON MOBIL CORPORATION | DRILL | 11,665 | |
| 2004-04-02 | 544010 | 42-261-31355 | KENEDY, JOHN G., JR. "J" #39 | HEADINGTON OIL COMPANY, L.P. | DRILL | 18,500 | |
| 2004-03-17 | 543382 | 42-261-31353 | YTURRIA, H. #211 | CODY ENERGY LLC | DRILL | 9,000 | |
| 2004-03-17 | 543382 | 42-261-31353 | YTURRIA, H. #211 | CODY ENERGY LLC | DRILL | 9,000 | |
| 2004-03-17 | 543381 | 42-261-31354 | YTURRIA, H. #212 | CODY ENERGY LLC | DRILL | 9,000 | |
| 2004-03-11 | 543082 | 42-261-31352 | SANTA FE RANCH MULA PASTURE #53 | EXXON MOBIL CORPORATION | DRILL | 15,000 | |
| 2004-03-11 | 543071 | 42-261-31199 | MRS. S. K. EAST - "B" #50 | EXXON MOBIL CORPORATION | RECOMP | 14,630 | |
| 2004-03-05 | 542839 | 42-261-31351 | PINNELL #5 | BRIGHAM OIL & GAS, L.P. | DRILL | 8,400 | |
| 2004-03-03 | 542775 | 42-261-31350 | ARMSTRONG, TOBIN #3 | HEADINGTON OIL COMPANY, L.P. | DRILL | 10,500 | |
| 2004-02-23 | 542255 | 42-261-30407 | SANTA FE RANCH MULA PASTURE #16 | EXXON MOBIL CORPORATION | RECOMP | 11,290 | |
| 2004-02-13 | 542011 | 42-261-31349 | ARMSTRONG, TOBIN #2 | HEADINGTON OIL COMPANY, L.P. | DRILL | 10,500 | |
| 2004-02-13 | 542003 | 42-261-31348 | CLARK-SAIN #10 | ABACO OPERATING, LLC | DRILL | 16,000 | |
| 2004-01-28 | 540720 | 42-261-31203 | MRS. S K EAST "B" #51 | EXXON MOBIL CORPORATION | RECOMP | 14,700 | |
| 2004-01-26 | 540850 | 42-261-31346 | EAST, S. K. #12 | NEWFIELD EXPLORATION COMPANY | DRILL | 14,800 | |