KLAASSEN
Lease 1001129387 · Butler County, Kansas · Sec 12 T25S R3E · DOR 116131
Oil1981–1992
Operator
Ainsworth Operating Co.
Cumulative (state figure)
26,925 bbl
First production
1981
Last production
1992
Location (PLSS)
Sec 12 T25S R3E
Monthly oil production
118 months filed with the Kansas Geological Survey, Dec 1981 to Dec 1992. Volumes are bbl at lease level — a lease can cover many wells, so this is not a well's output.
Total over the months shown
26,925 bbl
Months filed
118
Most wells in a month
1
| Month | Oil (bbl) | Wells |
|---|---|---|
| Dec 1992 | 165 | 1 |
| Nov 1992 | 164 | 1 |
| Oct 1992 | 330 | 1 |
| Sep 1992 | 167 | 1 |
| Aug 1992 | 310 | 1 |
| Jul 1992 | 160 | 1 |
| Jun 1992 | 320 | 1 |
| May 1992 | 160 | 1 |
| Apr 1992 | 323 | 1 |
| Mar 1992 | 321 | 1 |
| Feb 1992 | 166 | 1 |
| Jan 1992 | 163 | 1 |
| Dec 1991 | 333 | 1 |
| Nov 1991 | 165 | 1 |
| Oct 1991 | 327 | 1 |
| Sep 1991 | 159 | 1 |
| Aug 1991 | 324 | 1 |
| Jul 1991 | 164 | 1 |
| Jun 1991 | 331 | 1 |
| May 1991 | 155 | 1 |
| Apr 1991 | 325 | 1 |
| Mar 1991 | 324 | 1 |
| Feb 1991 | 168 | 1 |
| Jan 1991 | 328 | 1 |
| Dec 1990 | 166 | 1 |
| Nov 1990 | 331 | 1 |
| Oct 1990 | 163 | 1 |
| Sep 1990 | 314 | 1 |
| Aug 1990 | 320 | 1 |
| Jul 1990 | 163 | 1 |
| Jun 1990 | 326 | 1 |
| May 1990 | 325 | 1 |
| Apr 1990 | 157 | 1 |
| Mar 1990 | 316 | 1 |
| Feb 1990 | 160 | 1 |
| Jan 1990 | 323 | 1 |
| Dec 1989 | 331 | 1 |
| Nov 1989 | 328 | 1 |
| Oct 1989 | 159 | 1 |
| Sep 1989 | 316 | 1 |
| Aug 1989 | 327 | 1 |
| Jul 1989 | 325 | 1 |
| Jun 1989 | 164 | 1 |
| May 1989 | 331 | 1 |
| Apr 1989 | 163 | 1 |
| Mar 1989 | 321 | 1 |
| Feb 1989 | 322 | 1 |
| Jan 1989 | 328 | 1 |
| Dec 1988 | 163 | 1 |
| Nov 1988 | 320 | 1 |
| Oct 1988 | 320 | 1 |
| Sep 1988 | 321 | 1 |
| Aug 1988 | 324 | 1 |
| Jul 1988 | 161 | 1 |
| Jun 1988 | 319 | 1 |
| May 1988 | 165 | 1 |
| Apr 1988 | 315 | 1 |
| Mar 1988 | 325 | 1 |
| Feb 1988 | 160 | 1 |
| Jan 1988 | 332 | 1 |
| Dec 1987 | 336 | 1 |
| Nov 1987 | 165 | 1 |
| Oct 1987 | 312 | 1 |
| Sep 1987 | 157 | 1 |
| Aug 1987 | 326 | 1 |
| Jul 1987 | 167 | 1 |
| Jun 1987 | 164 | 1 |
| May 1987 | 331 | 1 |
| Apr 1987 | 165 | 1 |
| Mar 1987 | 165 | 1 |
| Feb 1987 | 336 | 1 |
| Jan 1987 | 337 | 1 |
| Dec 1986 | 167 | 1 |
| Nov 1986 | 165 | 1 |
| Oct 1986 | 315 | 1 |
| Sep 1986 | 157 | 1 |
| Aug 1986 | 329 | 1 |
| Jul 1986 | 162 | 1 |
| Jun 1986 | 324 | 1 |
| May 1986 | 153 | 1 |
| Apr 1986 | 317 | 1 |
| Mar 1986 | 325 | 1 |
| Feb 1986 | 165 | 1 |
| Jan 1986 | 160 | 1 |
| Dec 1985 | 160 | 1 |
| Oct 1985 | 161 | 1 |
| Sep 1985 | 158 | 1 |
| Jul 1985 | 158 | 1 |
| May 1985 | 163 | 1 |
| Mar 1985 | 165 | 1 |
| Feb 1985 | 167 | 1 |
| Dec 1984 | 165 | 1 |
| Oct 1984 | 164 | 1 |
| Sep 1984 | 161 | 1 |
| Aug 1984 | 163 | 1 |
| Jun 1984 | 163 | 1 |
| May 1984 | 164 | 1 |
| Mar 1984 | 166 | 1 |
| Feb 1984 | 166 | 1 |
| Dec 1983 | 165 | 1 |
| Nov 1983 | 166 | 1 |
| Sep 1983 | 167 | 1 |
| Aug 1983 | 162 | 1 |
| Jul 1983 | 158 | 1 |
| Jun 1983 | 145 | 1 |
| May 1983 | 168 | 1 |
| Apr 1983 | 161 | 1 |
| Mar 1983 | 155 | 1 |
| Feb 1983 | 166 | 1 |
| Jan 1983 | 172 | 1 |
| Dec 1982 | 158 | 1 |
| Nov 1982 | 163 | 1 |
| Oct 1982 | 151 | 1 |
| Sep 1982 | 156 | 1 |
| Aug 1982 | 163 | 1 |
| Jul 1982 | 164 | 1 |
| Jun 1982 | 331 | 1 |
| Dec 1981 | 154 | 1 |
Lease-level volumes as filed with the Kansas Geological Survey. A blank well count is a month the state filed no count for, not a month with no wells.
Wells on this lease
The state’s well register assigns no well to this lease. 23,174 of 98,639 Kansas leases are in that position — a lease is a production unit, and the register does not always name the holes under it.
Location
37.890392, -97.051056 · Sec 12 T25S R3E
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001129387. The state’s own record.