| 1998-01-22 | 472382 | 42-105-38003 | MONTGOMERY, W. C. #49 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,400 | |
| 1998-01-22 | 472379 | 42-105-38002 | MONTGOMERY, W. C. #47 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,400 | |
| 1998-01-22 | 472239 | 42-105-37998 | MONTGOMERY "20" #4 | UNION PACIFIC RESOURCES COMPANY | DRILL | 10,200 | |
| 1998-01-21 | 472345 | 42-105-38007 | SHANNON, J. M. ESTATE -A- #23 | WESTCO OIL COMPANY | DRILL | 1,900 | |
| 1998-01-21 | 472344 | 42-105-38006 | SHANNON, J. M. ESTATE -A- #22 | WESTCO OIL COMPANY | DRILL | 1,900 | |
| 1998-01-21 | 472343 | 42-105-38005 | SHANNON, J. M. ESTATE -A- #21 | WESTCO OIL COMPANY | DRILL | 1,900 | |
| 1998-01-21 | 472342 | 42-105-38004 | SHANNON, J. M. ESTATE -A- #20 | WESTCO OIL COMPANY | DRILL | 1,900 | |
| 1998-01-21 | 472266 | 42-105-37996 | BOGGESS 1Z #5 | PIONEER NATURAL RES. USA, INC. | DRILL | 6,900 | |
| 1998-01-20 | 472099 | 42-105-37994 | MONTOMGERY 17 #12 | PIONEER NATURAL RES. USA, INC. | DRILL | 7,000 | |
| 1998-01-16 | 472305 | 42-105-37999 | MITCHELL 10 #1 | SONAT EXPLORATION CO. - MIDLAND | DRILL | 11,900 | |
| 1998-01-16 | 472240 | 42-105-37997 | MONTGOMERY, W. C. #50 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,200 | |
| 1998-01-16 | 472100 | 42-105-37993 | MONTGOMERY 17 #10 | PIONEER NATURAL RES. USA, INC. | DRILL | 7,000 | |
| 1998-01-14 | 469864 | 42-105-37944 | BEAN "26" #14 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,400 | |
| 1998-01-14 | 469864 | 42-105-37944 | BEAN "26" #14 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,400 | |
| 1998-01-14 | 469863 | 42-105-37943 | BEAN "26" #15 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,400 | |
| 1998-01-14 | 469863 | 42-105-37943 | BEAN "26" #15 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,400 | |
| 1998-01-07 | 471885 | 42-105-37992 | SHANNON, J. M. ESTATE -A- #18 | WESTCO OIL COMPANY | DRILL | 1,900 | |
| 1998-01-07 | 471884 | 42-105-37991 | SHANNON, J. M. ESTATE -A- #19 | WESTCO OIL COMPANY | DRILL | 1,900 | |
| 1998-01-05 | 471580 | 42-105-35497 | BREWER 16 #2 | PRIME OPERATING COMPANY | RECOMP | 3,000 | |
| 1997-12-31 | 470151 | 42-105-37951 | INGHAM #2 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,000 | Y |
| 1997-12-30 | 471439 | 42-105-37988 | HENDERSON "P-1" #3 | UNION PACIFIC RESOURCES COMPANY | DRILL | 10,000 | |
| 1997-12-23 | 471597 | 42-105-37990 | COUCH "29-22" #2H | UNION PACIFIC RESOURCES COMPANY | DRILL | 11,000 | Y |
| 1997-12-23 | 471597 | 42-105-37990 | COUCH "E" #2202H | UNION PACIFIC RESOURCES COMPANY | DRILL | 11,000 | Y |
| 1997-12-22 | 471237 | 42-105-37971 | OWENS, AMOS #1 | SLEDGE, H. G. INC. | DRILL | 5,800 | |
| 1997-12-22 | 468834 | 42-105-37909 | MCMULLEN "D" #1112 | DREYFUS, LOUIS NATURAL GAS CORP | DRILL | 8,900 | |
| 1997-12-17 | 471370 | 42-105-37986 | SUTTON #1412 | TAMARACK PETROLEUM COMPANY, INC. | DRILL | 6,800 | |
| 1997-12-17 | 471369 | 42-105-37980 | SUTTON #110 | TAMARACK PETROLEUM COMPANY, INC. | DRILL | 6,800 | |
| 1997-12-17 | 471368 | 42-105-37981 | SUTTON #1510 | TAMARACK PETROLEUM COMPANY, INC. | DRILL | 6,800 | |
| 1997-12-17 | 471368 | 42-105-37981 | SUTTON #1510 | TAMARACK PETROLEUM COMPANY, INC. | DRILL | 6,800 | |
| 1997-12-17 | 471367 | 42-105-37987 | HOOVER "13" #9 | TAMARACK PETROLEUM COMPANY, INC. | DRILL | 6,800 | |
| 1997-12-17 | 471366 | 42-105-37983 | HOOVER "18" #12 | TAMARACK PETROLEUM COMPANY, INC. | DRILL | 6,800 | |
| 1997-12-17 | 471366 | 42-105-37983 | HOOVER "18" #12 | TAMARACK PETROLEUM COMPANY, INC. | DRILL | 6,800 | |
| 1997-12-17 | 471365 | 42-105-37984 | SUTTON #804 | TAMARACK PETROLEUM COMPANY, INC. | DRILL | 6,800 | |
| 1997-12-17 | 471364 | 42-105-37985 | SUTTON #109 | TAMARACK PETROLEUM COMPANY, INC. | DRILL | 6,800 | |
| 1997-12-17 | 471363 | 42-105-37982 | SUTTON #1411 | TAMARACK PETROLEUM COMPANY, INC. | DRILL | 6,800 | |
| 1997-12-17 | 471362 | 42-105-37979 | HOOVER "18" #14 | TAMARACK PETROLEUM COMPANY, INC. | DRILL | 6,800 | |
| 1997-12-17 | 471361 | 42-105-37978 | HOOVER "18" #11 | TAMARACK PETROLEUM COMPANY, INC. | DRILL | 6,800 | |
| 1997-12-17 | 471361 | 42-105-37978 | HOOVER "18" #11 | TAMARACK PETROLEUM COMPANY, INC. | DRILL | 6,550 | |
| 1997-12-17 | 471361 | 42-105-37978 | HOOVER "18" #11 | TAMARACK PETROLEUM COMPANY, INC. | DRILL | 6,550 | |
| 1997-12-17 | 471360 | 42-105-37977 | HOOVER "18" #15 | TAMARACK PETROLEUM COMPANY, INC. | DRILL | 6,800 | |
| 1997-12-17 | 471359 | 42-105-37976 | HOOVER "18" #13 | TAMARACK PETROLEUM COMPANY, INC. | DRILL | 6,800 | |
| 1997-12-16 | 471309 | 42-105-37975 | NOELKE '20' #4 | MARATHON OIL COMPANY | DRILL | 2,800 | |
| 1997-12-16 | 471308 | 42-105-37973 | NOELKE '20' #3 | MARATHON OIL COMPANY | DRILL | 2,800 | |
| 1997-12-16 | 471307 | 42-105-37974 | NOELKE '20' #2 | MARATHON OIL COMPANY | DRILL | 2,800 | |
| 1997-12-16 | 471306 | 42-105-37972 | OLSON #1209 | MARATHON OIL COMPANY | DRILL | 2,800 | |
| 1997-12-16 | 470921 | 42-105-37967 | KINCAID #19 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,200 | |
| 1997-12-16 | 470084 | 42-105-37950 | BEAN "26" #13 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,300 | |
| 1997-12-15 | 470958 | 42-105-37968 | RIGGS "21" #6 | SONAT EXPLORATION CO. - MIDLAND | DRILL | 10,000 | |
| 1997-12-12 | 471015 | 42-105-37970 | MONTGOMERY, W. C. GAS UNIT "D" #10 | UNION PACIFIC RESOURCES COMPANY | DRILL | 7,600 | |
| 1997-12-12 | 470959 | 42-105-37969 | RIGGS "5" #2 | SONAT EXPLORATION CO. - MIDLAND | DRILL | 10,000 | |