WILLFIN JOINT VENT
Lease 1001136232 · Anderson County, Kansas · Sec 21 T20S R20E · DOR 123012
Oil1985–1991
Operator
ARBUCKLE SERVICE
Cumulative (state figure)
154 bbl
First production
1985
Last production
1991
Location (PLSS)
Sec 21 T20S R20E
Monthly oil production
5 months filed with the Kansas Geological Survey, Apr 1985 to Jul 1991. 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
154 bbl
Months filed
5
Most wells in a month
1
| Month | Oil (bbl) | Wells |
|---|---|---|
| Jul 1991 | 30 | 1 |
| Jul 1989 | 43 | 1 |
| Jul 1987 | 19 | 1 |
| Feb 1987 | 39 | 1 |
| Apr 1985 | 23 | 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
38.295445, -95.203228 · Sec 21 T20S R20E
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001136232. The state’s own record.