BIRZER
Lease 1001127726 · Barton County, Kansas · NWNESE Sec 18 T19S R11W · DOR 114481
Oil1981–20261 well
Operator
Wirtz Oil, LLC
Cumulative (state figure)
56,912.91 bbl
First production
1981
Last production
2026
Location (PLSS)
NWNESE Sec 18 T19S R11W
Monthly oil production
255 months filed with the Kansas Geological Survey, Feb 1981 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
56,912.90 bbl
Months filed
255
Most wells in a month
1
| Month | Oil (bbl) | Wells |
|---|---|---|
| Mar 2026 | 168.38 | 1 |
| Nov 2025 | 152.37 | 1 |
| Aug 2025 | 159.14 | 1 |
| May 2025 | 150.15 | 1 |
| Mar 2025 | 159.58 | 1 |
| Dec 2024 | 166.79 | 1 |
| Sep 2024 | 154.62 | 1 |
| Jul 2024 | 161.41 | 1 |
| Mar 2024 | 157.28 | 1 |
| Nov 2023 | 161.02 | 1 |
| Jun 2023 | 155.59 | 1 |
| Feb 2023 | 159.56 | 1 |
| Nov 2022 | 167.31 | 1 |
| Aug 2022 | 159.76 | 1 |
| Mar 2022 | 101.85 | 1 |
| Jan 2022 | 163.87 | 1 |
| Sep 2021 | 159.82 | 1 |
| Jun 2021 | 155.47 | 1 |
| Mar 2021 | 161.39 | 1 |
| Dec 2020 | 166.88 | 1 |
| Aug 2020 | 157.18 | 1 |
| Jun 2020 | 157.55 | 1 |
| Feb 2020 | 159.02 | 1 |
| Nov 2019 | 183.36 | 1 |
| Jul 2019 | 158.30 | 1 |
| May 2019 | 159.28 | 1 |
| Feb 2019 | 164.71 | 1 |
| Oct 2018 | 160.62 | 1 |
| Jul 2018 | 160.93 | 1 |
| Mar 2018 | 163.05 | 1 |
| Nov 2017 | 161.88 | 1 |
| Aug 2017 | 152.18 | 1 |
| Jun 2017 | 159.94 | 1 |
| Mar 2017 | 188.89 | 1 |
| Dec 2016 | 162.70 | 1 |
| Sep 2016 | 158.12 | 1 |
| May 2016 | 156.84 | 1 |
| Jan 2016 | 161.00 | 1 |
| Oct 2015 | 163.00 | 1 |
| Jun 2015 | 158.77 | 1 |
| Jan 2015 | 164.74 | 1 |
| Sep 2014 | 157.97 | 1 |
| May 2014 | 162.63 | 1 |
| Jan 2014 | 159.54 | 1 |
| Aug 2013 | 159.18 | 1 |
| Apr 2013 | 160.07 | 1 |
| Dec 2012 | 163.14 | 1 |
| Nov 2011 | 160.74 | 1 |
| Jul 2011 | 160.69 | 1 |
| Mar 2011 | 161.64 | 1 |
| Oct 2010 | 154.98 | 1 |
| Jun 2010 | 160.10 | 1 |
| Feb 2010 | 164.22 | 1 |
| Jul 2009 | 156.70 | 1 |
| Apr 2009 | 163.05 | 1 |
| Nov 2008 | 159.59 | 1 |
| Jul 2008 | 160.48 | 1 |
| Apr 2008 | 154.85 | 1 |
| Nov 2007 | 162.76 | 1 |
| Jul 2007 | 157.21 | 1 |
| Mar 2007 | 165.09 | 1 |
| Oct 2006 | 158.74 | 1 |
| Jun 2006 | 160.45 | 1 |
| Feb 2006 | 158.30 | 1 |
| Oct 2005 | 162.89 | 1 |
| Jun 2005 | 160.64 | 1 |
| Feb 2005 | 163.79 | 1 |
| Oct 2004 | 155.89 | 1 |
| Jun 2004 | 154.65 | 1 |
| Mar 2004 | 161.94 | 1 |
| Nov 2003 | 162.12 | 1 |
| Aug 2003 | 159.47 | 1 |
| Apr 2003 | 153.52 | 1 |
| Jan 2003 | 162.42 | 1 |
| Sep 2002 | 161.10 | 1 |
| Jun 2002 | 159.46 | 1 |
| Mar 2002 | 161.57 | 1 |
| Nov 2001 | 164.43 | 1 |
| Aug 2001 | 159.38 | 1 |
| Apr 2001 | 157.72 | 1 |
| Jan 2001 | 163.88 | 1 |
| Sep 2000 | 168.75 | 1 |
| May 2000 | 162.86 | 1 |
| Feb 2000 | 160.87 | 1 |
| Nov 1999 | 162.60 | 1 |
| Aug 1999 | 159.30 | 1 |
| May 1999 | 160.48 | 1 |
| Mar 1999 | 163.29 | 1 |
| Oct 1998 | 201.82 | 1 |
| Jun 1998 | 169.98 | 1 |
| Mar 1998 | 162.13 | 1 |
| Dec 1997 | 166.10 | 1 |
| Aug 1997 | 160.51 | 1 |
| Jun 1997 | 160.55 | 1 |
| Mar 1997 | 163.22 | 1 |
| Dec 1996 | 159.95 | 1 |
| Sep 1996 | 161.47 | 1 |
| Jun 1996 | 162.30 | 1 |
| Mar 1996 | 164.13 | 1 |
| Jan 1996 | 165.31 | 1 |
| Oct 1995 | 157.00 | 1 |
| Aug 1995 | 161.00 | 1 |
| May 1995 | 163.00 | 1 |
| Feb 1995 | 163.00 | 1 |
| Dec 1994 | 164.00 | 1 |
| Sep 1994 | 162.00 | 1 |
| Jul 1994 | 160.00 | 1 |
| May 1994 | 162.00 | 1 |
| Mar 1994 | 163.00 | 1 |
| Dec 1993 | 165.00 | 1 |
| Oct 1993 | 163.00 | 1 |
| Aug 1993 | 160.00 | 1 |
| Jun 1993 | 152.00 | 1 |
| Apr 1993 | 159.00 | 1 |
| Jan 1993 | 163.00 | 1 |
| Nov 1992 | 146.00 | 1 |
| Oct 1992 | 151.00 | 1 |
| Sep 1992 | 161.00 | 1 |
| Jul 1992 | 162.00 | 1 |
| Jun 1992 | 161.00 | 1 |
| May 1992 | 161.00 | 1 |
| Apr 1992 | 162.00 | 1 |
| Mar 1992 | 163.00 | 1 |
| Feb 1992 | 164.00 | 1 |
| Jan 1992 | 164.00 | 1 |
| Dec 1991 | 164.00 | 1 |
| Nov 1991 | 165.00 | 1 |
| Oct 1991 | 149.00 | 1 |
| Aug 1991 | 307.00 | 1 |
| Jul 1991 | 160.00 | 1 |
| Jun 1991 | 305.00 | 1 |
| May 1991 | 327.00 | 1 |
| Apr 1991 | 326.00 | 1 |
| Mar 1991 | 329.00 | 1 |
| Feb 1991 | 326.00 | 1 |
| Jan 1991 | 164.00 | 1 |
| Dec 1990 | 333.00 | 1 |
| Nov 1990 | 465.00 | 1 |
| Oct 1990 | 492.00 | 1 |
| Sep 1990 | 320.00 | 1 |
| Aug 1990 | 162.00 | 1 |
| Jul 1990 | 160.00 | 1 |
| Jun 1990 | 161.00 | 1 |
| May 1990 | 162.00 | 1 |
| Apr 1990 | 325.00 | 1 |
| Mar 1990 | 163.00 | 1 |
| Feb 1990 | 166.00 | 1 |
| Jan 1990 | 166.00 | 1 |
| Dec 1989 | 164.00 | 1 |
| Nov 1989 | 166.00 | 1 |
| Oct 1989 | 326.00 | 1 |
| Sep 1989 | 161.00 | 1 |
| Aug 1989 | 161.00 | 1 |
| Jul 1989 | 280.00 | 1 |
| Jun 1989 | 162.00 | 1 |
| May 1989 | 325.00 | 1 |
| Apr 1989 | 165.00 | 1 |
| Mar 1989 | 165.00 | 1 |
| Feb 1989 | 336.00 | 1 |
| Jan 1989 | 165.00 | 1 |
| Dec 1988 | 164.00 | 1 |
| Nov 1988 | 164.00 | 1 |
| Oct 1988 | 286.00 | 1 |
| Sep 1988 | 146.00 | 1 |
| Aug 1988 | 322.00 | 1 |
| Jul 1988 | 161.00 | 1 |
| Jun 1988 | 321.00 | 1 |
| May 1988 | 157.00 | 1 |
| Apr 1988 | 162.00 | 1 |
| Mar 1988 | 318.00 | 1 |
| Feb 1988 | 163.00 | 1 |
| Jan 1988 | 326.00 | 1 |
| Dec 1987 | 166.00 | 1 |
| Nov 1987 | 327.00 | 1 |
| Oct 1987 | 163.00 | 1 |
| Sep 1987 | 161.00 | 1 |
| Aug 1987 | 315.00 | 1 |
| Jul 1987 | 320.00 | 1 |
| Jun 1987 | 161.00 | 1 |
| May 1987 | 163.00 | 1 |
| Apr 1987 | 322.00 | 1 |
| Mar 1987 | 326.00 | 1 |
| Feb 1987 | 164.00 | 1 |
| Jan 1987 | 328.00 | 1 |
| Dec 1986 | 164.00 | 1 |
| Nov 1986 | 164.00 | 1 |
| Oct 1986 | 308.00 | 1 |
| Sep 1986 | 315.00 | 1 |
| Aug 1986 | 162.00 | 1 |
| Jul 1986 | 322.00 | 1 |
| Jun 1986 | 162.00 | 1 |
| May 1986 | 157.00 | 1 |
| Apr 1986 | 323.00 | 1 |
| Mar 1986 | 162.00 | 1 |
| Feb 1986 | 321.00 | 1 |
| Jan 1986 | 153.00 | 1 |
| Dec 1985 | 316.00 | 1 |
| Nov 1985 | 163.00 | 1 |
| Oct 1985 | 325.00 | 1 |
| Sep 1985 | 157.00 | 1 |
| Aug 1985 | 315.00 | 1 |
| Jul 1985 | 318.00 | 1 |
| Jun 1985 | 159.00 | 1 |
| May 1985 | 325.00 | 1 |
| Apr 1985 | 161.00 | 1 |
| Mar 1985 | 325.00 | 1 |
| Feb 1985 | 321.00 | 1 |
| Jan 1985 | 167.00 | 1 |
| Dec 1984 | 304.00 | 1 |
| Nov 1984 | 163.00 | 1 |
| Oct 1984 | 322.00 | 1 |
| Sep 1984 | 315.00 | 1 |
| Aug 1984 | 159.00 | 1 |
| Jul 1984 | 296.00 | 1 |
| Jun 1984 | 321.00 | 1 |
| May 1984 | 320.00 | 1 |
| Apr 1984 | 321.00 | 1 |
| Mar 1984 | 327.00 | 1 |
| Feb 1984 | 162.00 | 1 |
| Jan 1984 | 327.00 | 1 |
| Dec 1983 | 336.00 | 1 |
| Nov 1983 | 163.00 | 1 |
| Oct 1983 | 304.00 | 1 |
| Sep 1983 | 319.00 | 1 |
| Aug 1983 | 316.00 | 1 |
| Jul 1983 | 318.00 | 1 |
| Jun 1983 | 320.00 | 1 |
| May 1983 | 290.00 | 1 |
| Apr 1983 | 320.00 | 1 |
| Mar 1983 | 327.00 | 1 |
| Feb 1983 | 325.00 | 1 |
| Jan 1983 | 329.00 | 1 |
| Dec 1982 | 321.00 | 1 |
| Nov 1982 | 322.00 | 1 |
| Oct 1982 | 161.00 | 1 |
| Sep 1982 | 478.00 | 1 |
| Aug 1982 | 316.00 | 1 |
| Jul 1982 | 319.00 | 1 |
| Jun 1982 | 323.00 | 1 |
| May 1982 | 321.00 | 1 |
| Apr 1982 | 324.00 | 1 |
| Mar 1982 | 491.00 | 1 |
| Feb 1982 | 328.00 | 1 |
| Jan 1982 | 328.00 | 1 |
| Dec 1981 | 494.00 | 1 |
| Nov 1981 | 323.00 | 1 |
| Oct 1981 | 325.00 | 1 |
| Sep 1981 | 528.00 | 1 |
| Aug 1981 | 660.00 | 1 |
| Jul 1981 | 320.00 | 1 |
| Jun 1981 | 321.00 | 1 |
| May 1981 | 646.00 | 1 |
| Apr 1981 | 677.00 | 1 |
| Mar 1981 | 758.00 | 1 |
| Feb 1981 | 972.00 | 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
1 well the state's well register assigns to this lease. Every one has a page.
| Well | No. | Operator | Status |
|---|---|---|---|
| BIRZER | 1 | Wirtz Oil, LLC | Producing |
Location
38.397445, -98.575781 · NWNESE Sec 18 T19S R11W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001127726. The state’s own record.