WILLEMS 'A'
Lease 1001129557 · Comanche County, Kansas · NW Sec 35 T33S R20W · DOR 116300
Oil1981–19904 wells
Operator
Marathon Oil Company
Cumulative (state figure)
59,825 bbl
First production
1981
Last production
1990
Location (PLSS)
NW Sec 35 T33S R20W
Monthly oil production
69 months filed with the Kansas Geological Survey, Oct 1981 to Aug 1990. 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
59,825 bbl
Months filed
69
Most wells in a month
5
| Month | Oil (bbl) | Wells |
|---|---|---|
| Aug 1990 | 87 | 4 |
| May 1990 | 183 | 4 |
| Dec 1989 | 390 | 4 |
| Aug 1989 | 394 | 4 |
| May 1989 | 324 | 4 |
| Mar 1989 | 457 | 4 |
| Dec 1988 | 200 | 4 |
| Oct 1988 | 256 | 4 |
| Jun 1988 | 241 | 4 |
| Feb 1988 | 239 | 4 |
| Sep 1987 | 189 | 4 |
| Jul 1987 | 426 | 4 |
| Jun 1987 | 168 | 4 |
| Apr 1987 | 407 | 4 |
| Jan 1987 | 233 | 4 |
| Sep 1986 | 255 | 4 |
| Jun 1986 | 258 | 4 |
| Apr 1986 | 250 | 4 |
| Mar 1986 | 255 | 4 |
| Feb 1986 | 249 | 4 |
| Dec 1985 | 235 | 4 |
| Nov 1985 | 253 | 4 |
| Oct 1985 | 243 | 4 |
| Aug 1985 | 255 | 4 |
| Jul 1985 | 255 | 4 |
| Jun 1985 | 236 | 4 |
| May 1985 | 223 | 4 |
| Apr 1985 | 248 | 4 |
| Mar 1985 | 256 | 4 |
| Feb 1985 | 216 | 4 |
| Jan 1985 | 250 | 4 |
| Dec 1984 | 265 | 5 |
| Nov 1984 | 402 | 5 |
| Oct 1984 | 478 | 5 |
| Sep 1984 | 480 | 5 |
| Jul 1984 | 639 | 5 |
| Jun 1984 | 242 | 5 |
| May 1984 | 722 | 5 |
| Apr 1984 | 498 | 5 |
| Mar 1984 | 249 | 5 |
| Feb 1984 | 413 | 5 |
| Jan 1984 | 469 | 5 |
| Dec 1983 | 256 | 5 |
| Nov 1983 | 479 | 5 |
| Oct 1983 | 618 | 5 |
| Sep 1983 | 507 | 5 |
| Aug 1983 | 860 | 5 |
| Jul 1983 | 495 | 5 |
| Jun 1983 | 666 | 5 |
| May 1983 | 705 | 5 |
| Apr 1983 | 914 | 5 |
| Mar 1983 | 1,143 | 5 |
| Feb 1983 | 901 | 5 |
| Jan 1983 | 731 | 5 |
| Dec 1982 | 1,364 | 5 |
| Nov 1982 | 1,478 | 5 |
| Oct 1982 | 1,734 | 5 |
| Sep 1982 | 1,920 | 5 |
| Aug 1982 | 2,740 | 5 |
| Jul 1982 | 2,531 | 5 |
| Jun 1982 | 2,439 | 5 |
| May 1982 | 2,739 | 5 |
| Apr 1982 | 3,474 | 5 |
| Mar 1982 | 4,291 | 5 |
| Feb 1982 | 3,536 | 5 |
| Jan 1982 | 4,480 | 5 |
| Dec 1981 | 2,189 | 1 |
| Nov 1981 | 2,543 | 1 |
| Oct 1981 | 1,104 | 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
4 wells the state's well register assigns to this lease. Every one has a page.
| Well | No. | Operator | Status |
|---|---|---|---|
| Willems 'A' | 1 | Marathon Oil Company | Plugged and Abandoned |
| Willems 'A' | 3 | Marathon Oil Company | Plugged and Abandoned |
| Willems 'A' | 2 | Marathon Oil Company | Plugged and Abandoned |
| Willems 'A' | 4 | Marathon Oil Company | Plugged and Abandoned |
Location
37.130641, -99.465342 · NW Sec 35 T33S R20W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001129557. The state’s own record.