GROFF
Lease 1001128578 · Ellis County, Kansas · NENENE Sec 29 T14S R20W · DOR 115325
Oil1981–19833 wells
Operator
THUNDERBIRD DRIL
Cumulative (state figure)
2,703 bbl
First production
1981
Last production
1983
Location (PLSS)
NENENE Sec 29 T14S R20W
Monthly oil production
15 months filed with the Kansas Geological Survey, Aug 1981 to Jul 1983. 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
2,703 bbl
Months filed
15
Most wells in a month
1
| Month | Oil (bbl) | Wells |
|---|---|---|
| Jul 1983 | 168 | 1 |
| May 1983 | 170 | 1 |
| Mar 1983 | 169 | 1 |
| Dec 1982 | 171 | 1 |
| Oct 1982 | 170 | 1 |
| Aug 1982 | 168 | 1 |
| Jun 1982 | 169 | 1 |
| May 1982 | 169 | 1 |
| Mar 1982 | 171 | 1 |
| Jan 1982 | 172 | 1 |
| Dec 1981 | 172 | 1 |
| Nov 1981 | 170 | 1 |
| Oct 1981 | 170 | 1 |
| Sep 1981 | 168 | 1 |
| Aug 1981 | 326 | 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
3 wells the state's well register assigns to this lease. Every one has a page.
Location
38.811550, -99.560145 · NENENE Sec 29 T14S R20W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001128578. The state’s own record.