COSLETT
Lease 1001161049 · Harper County, Kansas · CNWSW Sec 34 T31S R5W
Oil1979–1981
Operator
ASH WILEY R JR
Cumulative (state figure)
9,061 bbl
First production
1979
Last production
1981
Location (PLSS)
CNWSW Sec 34 T31S R5W
Monthly oil production
17 months filed with the Kansas Geological Survey, Jan 1980 to Dec 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
4,080 bbl
Months filed
17
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 9,061 bbl.
| Month | Oil (bbl) | Wells |
|---|---|---|
| Dec 1981 | 163 | 1 |
| Nov 1981 | 161 | 1 |
| Aug 1981 | 162 | 1 |
| Jul 1981 | 157 | 1 |
| Apr 1981 | 205 | 1 |
| Feb 1981 | 160 | 1 |
| Dec 1980 | 354 | 1 |
| Nov 1980 | 191 | 1 |
| Oct 1980 | 190 | 1 |
| Sep 1980 | 215 | 1 |
| Aug 1980 | 215 | 1 |
| Jun 1980 | 414 | 1 |
| May 1980 | 212 | 1 |
| Apr 1980 | 217 | 1 |
| Mar 1980 | 219 | 1 |
| Feb 1980 | 392 | 1 |
| Jan 1980 | 453 | 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
37.304077, -97.855639 · CNWSW Sec 34 T31S R5W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001161049. The state’s own record.