BIDDLE NW UNIT
Lease 1001155231 · Cowley County, Kansas · Sec 31 T31S R5E
Oil1965–1981
Operator
STEWART BROTHERS
Cumulative (state figure)
289,595 bbl
First production
1965
Last production
1981
Location (PLSS)
Sec 31 T31S R5E
Monthly oil production
5 months filed with the Kansas Geological Survey, Jan 1980 to Jul 1981. 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
599 bbl
Months filed
5
Most wells in a month
7
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 289,595 bbl.
| Month | Oil (bbl) | Wells |
|---|---|---|
| Jul 1981 | 130 | 7 |
| Dec 1980 | 89 | 7 |
| Aug 1980 | 119 | 7 |
| May 1980 | 128 | 7 |
| Jan 1980 | 133 | 7 |
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
37.309696, -96.924481 · Sec 31 T31S R5E
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001155231. The state’s own record.