SLEEPER SARA 'A'
Lease 1001151122 · Stafford County, Kansas · NW Sec 4 T22S R11W · DOR 216012
Gas1988–1991
Operator
Hallwood Petroleum, Inc.
Cumulative (state figure)
99,584 MCF
First production
1988
Last production
1991
Location (PLSS)
NW Sec 4 T22S R11W
Monthly gas production
36 months filed with the Kansas Geological Survey, Dec 1988 to Dec 1991. Volumes are MCF at lease level — a lease can cover many wells, so this is not a well's output.
Total over the months shown
99,584 MCF
Months filed
36
Most wells in a month
1
| Month | Gas (MCF) | Wells |
|---|---|---|
| Dec 1991 | 266 | 1 |
| Nov 1991 | 431 | 1 |
| Oct 1991 | 260 | 1 |
| Sep 1991 | 540 | 1 |
| Aug 1991 | 514 | 1 |
| Jul 1991 | 902 | 1 |
| Jun 1991 | 1,161 | 1 |
| May 1991 | 1,042 | 1 |
| Apr 1991 | 1,337 | 1 |
| Mar 1991 | 1,509 | 1 |
| Feb 1991 | 1,263 | 1 |
| Jan 1991 | 877 | 1 |
| Dec 1990 | 1,212 | 1 |
| Nov 1990 | 3,248 | 1 |
| Oct 1990 | 4,480 | 1 |
| Sep 1990 | 6,312 | 1 |
| Aug 1990 | 10,478 | 1 |
| Jul 1990 | 1,078 | 1 |
| Jun 1990 | 1,769 | 1 |
| May 1990 | 3,287 | 1 |
| Apr 1990 | 3,194 | 1 |
| Mar 1990 | 2,548 | 1 |
| Feb 1990 | 2,184 | 1 |
| Jan 1990 | 2,599 | 1 |
| Dec 1989 | 2,910 | 1 |
| Nov 1989 | 3,895 | 1 |
| Oct 1989 | 4,296 | 1 |
| Sep 1989 | 2,950 | 1 |
| Aug 1989 | 3,536 | 1 |
| Jul 1989 | 3,846 | 1 |
| Jun 1989 | 3,420 | 1 |
| May 1989 | 9,277 | 1 |
| Apr 1989 | 7,198 | 1 |
| Feb 1989 | 446 | 1 |
| Jan 1989 | 2,398 | 1 |
| Dec 1988 | 2,921 | 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
38.169180, -98.541517 · NW Sec 4 T22S R11W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001151122. The state’s own record.