OURSLER
Lease 1001127709 · Butler County, Kansas · Sec 4 T23S R4E · DOR 114464
Oil1981–20252 wells
Operator
Bear Petroleum, LLC
Cumulative (state figure)
16,160.21 bbl
First production
1981
Last production
2025
Location (PLSS)
Sec 4 T23S R4E
Monthly oil production
89 months filed with the Kansas Geological Survey, Feb 1981 to Dec 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
16,160.20 bbl
Months filed
89
Most wells in a month
1
| Month | Oil (bbl) | Wells |
|---|---|---|
| Dec 2025 | 154.62 | 1 |
| Jul 2025 | 145.45 | 1 |
| Mar 2025 | 155.92 | 1 |
| Oct 2024 | 153.88 | 1 |
| Jun 2024 | 151.41 | 1 |
| Feb 2024 | 141.98 | 1 |
| Sep 2023 | 151.71 | 1 |
| Jun 2023 | 161.43 | 1 |
| Mar 2023 | 157.80 | 1 |
| Nov 2022 | 156.09 | 1 |
| Dec 2021 | 152.94 | 1 |
| Jul 2020 | 165.73 | 1 |
| Mar 2020 | 151.19 | 1 |
| Dec 2019 | 164.23 | 1 |
| Sep 2019 | 153.65 | 1 |
| Nov 2018 | 152.40 | 1 |
| May 2017 | 158.88 | 1 |
| Dec 2016 | 156.22 | 1 |
| Jul 2016 | 161.62 | 1 |
| Mar 2016 | 162.50 | 1 |
| Oct 2015 | 154.24 | 1 |
| May 2015 | 156.65 | 1 |
| Jan 2015 | 161.52 | 1 |
| Dec 2013 | 163.19 | 1 |
| Oct 2013 | 159.41 | 1 |
| Jul 2013 | 159.39 | 1 |
| May 2013 | 163.50 | 1 |
| Mar 2013 | 164.83 | 1 |
| Jan 2013 | 168.76 | 1 |
| Oct 2012 | 170.21 | 1 |
| Aug 2012 | 162.18 | 1 |
| Jun 2012 | 160.18 | 1 |
| May 2012 | 156.90 | 1 |
| Mar 2012 | 160.14 | 1 |
| Jan 2012 | 163.25 | 1 |
| Dec 2011 | 166.60 | 1 |
| Oct 2011 | 166.59 | 1 |
| Aug 2011 | 158.79 | 1 |
| Jun 2011 | 156.89 | 1 |
| May 2011 | 170.60 | 1 |
| Apr 2011 | 170.39 | 1 |
| Jan 2011 | 172.21 | 1 |
| Nov 2010 | 166.14 | 1 |
| Apr 1986 | 163.00 | 1 |
| Oct 1985 | 179.00 | 1 |
| Aug 1985 | 177.00 | 1 |
| Jun 1985 | 169.00 | 1 |
| May 1985 | 172.00 | 1 |
| Mar 1985 | 171.00 | 1 |
| Dec 1984 | 179.00 | 1 |
| Oct 1984 | 167.00 | 1 |
| Aug 1984 | 170.00 | 1 |
| Jul 1984 | 169.00 | 1 |
| May 1984 | 166.00 | 1 |
| Mar 1984 | 171.00 | 1 |
| Jan 1984 | 172.00 | 1 |
| Nov 1983 | 171.00 | 1 |
| Oct 1983 | 167.00 | 1 |
| Sep 1983 | 166.00 | 1 |
| Jul 1983 | 154.00 | 1 |
| Jun 1983 | 165.00 | 1 |
| May 1983 | 132.00 | 1 |
| Apr 1983 | 145.00 | 1 |
| Mar 1983 | 347.00 | 1 |
| Feb 1983 | 146.00 | 1 |
| Jan 1983 | 172.00 | 1 |
| Dec 1982 | 171.00 | 1 |
| Nov 1982 | 172.00 | 1 |
| Oct 1982 | 171.00 | 1 |
| Sep 1982 | 170.00 | 1 |
| Aug 1982 | 161.00 | 1 |
| Jul 1982 | 167.00 | 1 |
| Jun 1982 | 332.00 | 1 |
| May 1982 | 162.00 | 1 |
| Apr 1982 | 335.00 | 1 |
| Mar 1982 | 339.00 | 1 |
| Feb 1982 | 337.00 | 1 |
| Jan 1982 | 343.00 | 1 |
| Dec 1981 | 163.00 | 1 |
| Nov 1981 | 169.00 | 1 |
| Oct 1981 | 170.00 | 1 |
| Sep 1981 | 169.00 | 1 |
| Aug 1981 | 168.00 | 1 |
| Jul 1981 | 161.00 | 1 |
| Jun 1981 | 308.00 | 1 |
| May 1981 | 337.00 | 1 |
| Apr 1981 | 168.00 | 1 |
| Mar 1981 | 484.00 | 1 |
| Feb 1981 | 151.00 | 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
2 wells the state's well register assigns to this lease. Every one has a page.
Location
38.078884, -96.996155 · Sec 4 T23S R4E
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001127709. The state’s own record.