William 4-11H
Lease 1044220560 · Barber County, Kansas · Sec 11 T35S R10W · DOR 143315
Oil2012–20261 well
Operator
Chieftain Oil Co., Inc.
Cumulative (state figure)
10,429.68 bbl
First production
2012
Last production
2026
Location (PLSS)
Sec 11 T35S R10W
Monthly oil production
22 months filed with the Kansas Geological Survey, Nov 2012 to Mar 2026. 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
10,429.70 bbl
Months filed
22
Most wells in a month
1
| Month | Oil (bbl) | Wells |
|---|---|---|
| Mar 2026 | 346.82 | 1 |
| Oct 2025 | 157.68 | 1 |
| Aug 2025 | 156.20 | 1 |
| Dec 2024 | 169.00 | 1 |
| Dec 2014 | 137.27 | 1 |
| Jun 2014 | 179.96 | 1 |
| Apr 2014 | 174.47 | 1 |
| Feb 2014 | 179.69 | 1 |
| Jan 2014 | 174.24 | 1 |
| Dec 2013 | 175.35 | 1 |
| Oct 2013 | 351.07 | 1 |
| Sep 2013 | 334.16 | 1 |
| Aug 2013 | 184.81 | 1 |
| Jul 2013 | 174.50 | 1 |
| Jun 2013 | 178.42 | 1 |
| May 2013 | 332.74 | 1 |
| Apr 2013 | 873.18 | 1 |
| Mar 2013 | 666.75 | 1 |
| Feb 2013 | 508.65 | 1 |
| Jan 2013 | 1,642.76 | 1 |
| Dec 2012 | 2,007.86 | 1 |
| Nov 2012 | 1,324.10 | 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
1 well the state's well register assigns to this lease. Every one has a page.
| Well | No. | Operator | Status |
|---|---|---|---|
| William 3510 | 4-11H | Chieftain Oil Co., Inc. | Producing |
Location
37.014160, -98.374439 · Sec 11 T35S R10W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1044220560. The state’s own record.