Big Chief
Lease 1043853093 · Barber County, Kansas · Sec 6 T35S R11W · DOR 141396
Oil2011–20254 wells
Operator
Chieftain Oil Co., Inc.
Cumulative (state figure)
91,588.99 bbl
First production
2011
Last production
2025
Location (PLSS)
Sec 6 T35S R11W
Monthly oil production
86 months filed with the Kansas Geological Survey, Feb 2011 to Nov 2025. 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
91,589.00 bbl
Months filed
86
Most wells in a month
4
| Month | Oil (bbl) | Wells |
|---|---|---|
| Nov 2025 | 153.75 | 2 |
| Aug 2025 | 165.91 | 3 |
| Dec 2024 | 154.62 | 3 |
| Mar 2024 | 158.35 | 3 |
| Feb 2024 | 139.53 | 3 |
| May 2023 | 304.06 | 3 |
| Jul 2022 | 157.48 | 3 |
| Dec 2021 | 151.29 | 3 |
| Jun 2021 | 162.26 | 4 |
| Dec 2020 | 156.13 | 4 |
| Jul 2020 | 157.68 | 4 |
| Feb 2020 | 157.70 | 4 |
| Nov 2019 | 154.47 | 4 |
| Oct 2019 | 154.10 | 4 |
| Sep 2019 | 161.32 | 4 |
| May 2019 | 158.15 | 4 |
| Oct 2018 | 158.26 | 4 |
| May 2018 | 155.55 | 4 |
| Mar 2018 | 156.97 | 4 |
| Dec 2017 | 155.10 | 4 |
| Nov 2017 | 313.51 | 4 |
| Sep 2017 | 155.40 | 4 |
| Jun 2017 | 150.93 | 4 |
| May 2017 | 162.90 | 4 |
| Feb 2017 | 318.85 | 4 |
| Jan 2017 | 157.86 | 4 |
| Nov 2016 | 155.89 | 4 |
| Oct 2016 | 152.72 | 4 |
| Jul 2016 | 317.43 | 4 |
| May 2016 | 155.18 | 4 |
| Apr 2016 | 156.49 | 4 |
| Mar 2016 | 156.63 | 4 |
| Dec 2015 | 311.17 | 4 |
| Oct 2015 | 155.13 | 4 |
| Sep 2015 | 152.66 | 4 |
| Aug 2015 | 156.69 | 4 |
| Jul 2015 | 156.64 | 4 |
| May 2015 | 309.74 | 4 |
| Apr 2015 | 156.45 | 4 |
| Dec 2014 | 310.46 | 4 |
| Nov 2014 | 158.12 | 4 |
| Oct 2014 | 315.45 | 4 |
| Sep 2014 | 313.53 | 4 |
| Aug 2014 | 154.93 | 4 |
| Jul 2014 | 626.33 | 4 |
| Jun 2014 | 156.38 | 4 |
| May 2014 | 154.30 | 4 |
| Apr 2014 | 621.67 | 4 |
| Mar 2014 | 463.17 | 4 |
| Feb 2014 | 621.73 | 4 |
| Jan 2014 | 1,406.53 | 1 |
| Dec 2013 | 1,217.55 | 1 |
| Nov 2013 | 1,833.91 | 1 |
| Oct 2013 | 2,495.47 | 1 |
| Sep 2013 | 2,025.84 | 1 |
| Aug 2013 | 2,038.44 | 1 |
| Jul 2013 | 2,489.54 | 1 |
| Jun 2013 | 2,178.43 | 1 |
| May 2013 | 3,125.22 | 1 |
| Apr 2013 | 3,267.63 | 1 |
| Mar 2013 | 3,559.56 | 1 |
| Feb 2013 | 3,416.60 | 1 |
| Jan 2013 | 4,124.22 | 1 |
| Dec 2012 | 4,699.61 | 1 |
| Nov 2012 | 4,813.94 | 1 |
| Oct 2012 | 2,016.84 | 1 |
| Sep 2012 | 1,392.79 | 1 |
| Aug 2012 | 1,565.87 | 1 |
| Jul 2012 | 1,531.52 | 1 |
| Jun 2012 | 1,719.60 | 1 |
| May 2012 | 2,164.48 | 1 |
| Apr 2012 | 2,318.75 | 1 |
| Mar 2012 | 2,467.74 | 1 |
| Feb 2012 | 2,774.88 | 1 |
| Jan 2012 | 3,069.13 | 1 |
| Dec 2011 | 2,935.92 | 1 |
| Nov 2011 | 3,102.62 | 1 |
| Oct 2011 | 1,893.71 | 1 |
| Sep 2011 | 1,433.18 | 1 |
| Aug 2011 | 1,262.03 | 1 |
| Jul 2011 | 1,113.17 | 1 |
| Jun 2011 | 1,101.70 | 1 |
| May 2011 | 1,427.98 | 1 |
| Apr 2011 | 1,109.08 | 1 |
| Mar 2011 | 947.47 | 1 |
| Feb 2011 | 627.02 | 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.
Location
37.028645, -98.557842 · Sec 6 T35S R11W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1043853093. The state’s own record.