ISERN 'A' ALVIN
Lease 1001112302 · Barton County, Kansas · SWNWSW Sec 25 T19S R11W · DOR 104585
Oil1947–1987
Operator
OKMAR OIL COMPAN
Cumulative (state figure)
136,694 bbl
First production
1947
Last production
1987
Location (PLSS)
SWNWSW Sec 25 T19S R11W
Monthly oil production
30 months filed with the Kansas Geological Survey, Feb 1980 to Mar 1987. 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
4,826 bbl
Months filed
30
Most wells in a month
3
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 136,694 bbl.
| Month | Oil (bbl) | Wells |
|---|---|---|
| Mar 1987 | 136 | 3 |
| Oct 1986 | 134 | 3 |
| Jul 1986 | 160 | 3 |
| Apr 1986 | 172 | 3 |
| Jan 1986 | 145 | 3 |
| Aug 1985 | 154 | 3 |
| May 1985 | 159 | 3 |
| Mar 1985 | 118 | 3 |
| Jan 1985 | 169 | 3 |
| Oct 1984 | 149 | 3 |
| Jul 1984 | 170 | 3 |
| Apr 1984 | 172 | 3 |
| Jan 1984 | 174 | 3 |
| Dec 1983 | 204 | 3 |
| Nov 1983 | 75 | 3 |
| Aug 1983 | 168 | 3 |
| Jul 1983 | 172 | 3 |
| Apr 1983 | 162 | 3 |
| Jan 1983 | 173 | 3 |
| Nov 1982 | 175 | 3 |
| Sep 1982 | 174 | 3 |
| Aug 1982 | 176 | 3 |
| Mar 1982 | 179 | 3 |
| Oct 1981 | 169 | 3 |
| Jul 1981 | 174 | 3 |
| Apr 1981 | 161 | 3 |
| Jan 1981 | 176 | 3 |
| Oct 1980 | 173 | 3 |
| Jul 1980 | 151 | 3 |
| Feb 1980 | 152 | 3 |
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
38.366343, -98.497303 · SWNWSW Sec 25 T19S R11W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001112302. The state’s own record.