GASSMAN
Lease 1001120374 · Decatur County, Kansas · NWNWSW Sec 31 T4S R26W · DOR 127794
Oil1972–1981
Operator
EDMISTON OIL COM
Cumulative (state figure)
44,045 bbl
First production
1972
Last production
1981
Location (PLSS)
NWNWSW Sec 31 T4S R26W
Monthly oil production
15 months filed with the Kansas Geological Survey, Jan 1980 to May 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
3,831 bbl
Months filed
15
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 44,045 bbl.
| Month | Oil (bbl) | Wells |
|---|---|---|
| May 1981 | 423 | 1 |
| Apr 1981 | 179 | 1 |
| Mar 1981 | 218 | 1 |
| Feb 1981 | 218 | 1 |
| Jan 1981 | 345 | 1 |
| Dec 1980 | 255 | 1 |
| Nov 1980 | 215 | 1 |
| Oct 1980 | 313 | 1 |
| Sep 1980 | 186 | 1 |
| Aug 1980 | 216 | 1 |
| Jul 1980 | 209 | 1 |
| Apr 1980 | 198 | 1 |
| Mar 1980 | 221 | 1 |
| Feb 1980 | 217 | 1 |
| Jan 1980 | 418 | 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
39.660695, -100.290598 · NWNWSW Sec 31 T4S R26W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001120374. The state’s own record.