NIGHTINGALE 1 & 2 (1979 - 1998)
Lease 1001125924 · McPherson County, Kansas · W2NWNW Sec 7 T20S R1W · DOR 112697
Oil1979–1998
Operator
Koehn, Carolyn
Cumulative (state figure)
19,475.45 bbl
First production
1979
Last production
1998
Location (PLSS)
W2NWNW Sec 7 T20S R1W
Monthly oil production
112 months filed with the Kansas Geological Survey, Jan 1980 to Mar 1998. 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
19,052.50 bbl
Months filed
112
Most wells in a month
1
This lease was producing before 1980, and the series begins in January 1980. The total above covers the months shown, not the life of the lease; the state's own cumulative is 19,475.45 bbl.
| Month | Oil (bbl) | Wells |
|---|---|---|
| Mar 1998 | 142.35 | 1 |
| Dec 1997 | 158.77 | 1 |
| May 1997 | 143.82 | 1 |
| Jan 1997 | 164.36 | 1 |
| Nov 1996 | 155.12 | 1 |
| Aug 1996 | 139.00 | 1 |
| May 1996 | 108.15 | 1 |
| Mar 1996 | 99.63 | 1 |
| Feb 1996 | 104.25 | 1 |
| Nov 1995 | 145.00 | 1 |
| Aug 1995 | 154.00 | 1 |
| Apr 1995 | 137.00 | 1 |
| Dec 1994 | 132.00 | 1 |
| Sep 1993 | 166.00 | 1 |
| Aug 1993 | 163.00 | 1 |
| Jul 1993 | 164.00 | 1 |
| Jun 1993 | 163.00 | 1 |
| May 1993 | 167.00 | 1 |
| Apr 1993 | 171.00 | 1 |
| Mar 1993 | 167.00 | 1 |
| Feb 1993 | 168.00 | 1 |
| Jan 1993 | 173.00 | 1 |
| Dec 1992 | 168.00 | 1 |
| Nov 1992 | 167.00 | 1 |
| Oct 1992 | 333.00 | 1 |
| Jul 1992 | 158.00 | 1 |
| Oct 1991 | 167.00 | 1 |
| Aug 1991 | 161.00 | 1 |
| May 1991 | 164.00 | 1 |
| Mar 1991 | 162.00 | 1 |
| Nov 1990 | 161.00 | 1 |
| Jun 1990 | 326.00 | 1 |
| Apr 1990 | 169.00 | 1 |
| Feb 1990 | 173.00 | 1 |
| Sep 1989 | 159.00 | 1 |
| Jul 1989 | 153.00 | 1 |
| Apr 1989 | 164.00 | 1 |
| Feb 1989 | 157.00 | 1 |
| Nov 1988 | 154.00 | 1 |
| Aug 1988 | 146.00 | 1 |
| Jun 1988 | 162.00 | 1 |
| Apr 1988 | 114.00 | 1 |
| Mar 1988 | 147.00 | 1 |
| Jan 1988 | 149.00 | 1 |
| Dec 1987 | 131.00 | 1 |
| Nov 1987 | 116.00 | 1 |
| Oct 1987 | 114.00 | 1 |
| Sep 1987 | 103.00 | 1 |
| Aug 1987 | 110.00 | 1 |
| Jul 1987 | 114.00 | 1 |
| Jun 1987 | 114.00 | 1 |
| May 1987 | 91.00 | 1 |
| Apr 1987 | 115.00 | 1 |
| Mar 1987 | 117.00 | 1 |
| Feb 1987 | 118.00 | 1 |
| Jan 1987 | 172.00 | 1 |
| Oct 1986 | 102.00 | 1 |
| Aug 1986 | 112.00 | 1 |
| Jun 1986 | 114.00 | 1 |
| Apr 1986 | 113.00 | 1 |
| Feb 1986 | 111.00 | 1 |
| Nov 1985 | 114.00 | 1 |
| Sep 1985 | 112.00 | 1 |
| Jun 1985 | 113.00 | 1 |
| Apr 1985 | 114.00 | 1 |
| Feb 1985 | 115.00 | 1 |
| Nov 1984 | 114.00 | 1 |
| Sep 1984 | 113.00 | 1 |
| Jul 1984 | 112.00 | 1 |
| Jun 1984 | 112.00 | 1 |
| May 1984 | 226.00 | 1 |
| Apr 1984 | 228.00 | 1 |
| Mar 1984 | 114.00 | 1 |
| Feb 1984 | 228.00 | 1 |
| Jan 1984 | 114.00 | 1 |
| Nov 1983 | 114.00 | 1 |
| Oct 1983 | 112.00 | 1 |
| Aug 1983 | 112.00 | 1 |
| Jun 1983 | 112.00 | 1 |
| May 1983 | 113.00 | 1 |
| Apr 1983 | 114.00 | 1 |
| Feb 1983 | 115.00 | 1 |
| Jan 1983 | 116.00 | 1 |
| Dec 1982 | 113.00 | 1 |
| Nov 1982 | 114.00 | 1 |
| Oct 1982 | 113.00 | 1 |
| Sep 1982 | 113.00 | 1 |
| Aug 1982 | 112.00 | 1 |
| Jul 1982 | 226.00 | 1 |
| Jun 1982 | 113.00 | 1 |
| May 1982 | 149.00 | 1 |
| Apr 1982 | 229.00 | 1 |
| Mar 1982 | 115.00 | 1 |
| Feb 1982 | 229.00 | 1 |
| Jan 1982 | 117.00 | 1 |
| Dec 1981 | 234.00 | 1 |
| Nov 1981 | 277.00 | 1 |
| Oct 1981 | 230.00 | 1 |
| Sep 1981 | 379.00 | 1 |
| Aug 1981 | 114.00 | 1 |
| Jul 1981 | 481.00 | 1 |
| Jun 1981 | 266.00 | 1 |
| May 1981 | 461.00 | 1 |
| Apr 1981 | 494.00 | 1 |
| Mar 1981 | 449.00 | 1 |
| Feb 1981 | 437.00 | 1 |
| Jan 1981 | 427.00 | 1 |
| Jun 1980 | 132.00 | 1 |
| May 1980 | 161.00 | 1 |
| Apr 1980 | 159.00 | 1 |
| Feb 1980 | 162.00 | 1 |
| Jan 1980 | 543.00 | 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
38.331707, -97.480597 · W2NWNW Sec 7 T20S R1W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001125924. The state’s own record.