CLAASSEN 'D'
Lease 1001134736 · Butler County, Kansas · SESWSW Sec 4 T25S R3E · DOR 121494
Oil1984–20263 wells
Operator
Darrah Oil Company, LLC
Cumulative (state figure)
123,283.30 bbl
First production
1984
Last production
2026
Location (PLSS)
SESWSW Sec 4 T25S R3E
Monthly oil production
458 months filed with the Kansas Geological Survey, Jun 1984 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
123,283.30 bbl
Months filed
458
Most wells in a month
2
| Month | Oil (bbl) | Wells |
|---|---|---|
| Mar 2026 | 160.59 | 1 |
| Feb 2026 | 161.46 | 1 |
| Dec 2025 | 160.23 | 1 |
| Oct 2025 | 162.33 | 1 |
| Aug 2025 | 157.68 | 1 |
| Jun 2025 | 160.73 | 1 |
| Apr 2025 | 156.01 | 1 |
| Mar 2025 | 158.07 | 1 |
| Jan 2025 | 163.70 | 1 |
| Nov 2024 | 161.82 | 1 |
| Sep 2024 | 159.50 | 1 |
| Aug 2024 | 160.08 | 1 |
| Jun 2024 | 157.51 | 1 |
| May 2024 | 160.79 | 1 |
| Apr 2024 | 161.45 | 1 |
| Feb 2024 | 162.49 | 1 |
| Dec 2023 | 161.63 | 1 |
| Nov 2023 | 160.40 | 1 |
| Sep 2023 | 155.39 | 1 |
| Aug 2023 | 156.61 | 1 |
| Jun 2023 | 158.12 | 1 |
| May 2023 | 159.69 | 1 |
| Mar 2023 | 158.54 | 1 |
| Feb 2023 | 163.79 | 1 |
| Nov 2022 | 160.23 | 1 |
| Sep 2022 | 159.43 | 1 |
| Aug 2022 | 157.53 | 1 |
| Jul 2022 | 155.88 | 1 |
| May 2022 | 158.96 | 1 |
| Mar 2022 | 160.10 | 1 |
| Feb 2022 | 163.19 | 1 |
| Dec 2021 | 211.95 | 1 |
| Oct 2021 | 157.02 | 1 |
| Aug 2021 | 158.22 | 1 |
| Jul 2021 | 151.18 | 1 |
| Jun 2021 | 157.42 | 1 |
| Apr 2021 | 161.26 | 1 |
| Mar 2021 | 161.16 | 1 |
| Jan 2021 | 161.40 | 1 |
| Dec 2020 | 160.35 | 1 |
| Nov 2020 | 158.61 | 1 |
| Oct 2020 | 158.97 | 1 |
| Jul 2020 | 155.14 | 1 |
| Jun 2020 | 160.65 | 1 |
| May 2020 | 160.00 | 1 |
| Mar 2020 | 157.81 | 1 |
| Feb 2020 | 156.35 | 1 |
| Dec 2019 | 163.90 | 1 |
| Nov 2019 | 161.85 | 1 |
| Oct 2019 | 150.21 | 1 |
| Aug 2019 | 157.36 | 1 |
| Jul 2019 | 160.51 | 1 |
| Jun 2019 | 167.89 | 1 |
| Apr 2019 | 158.16 | 1 |
| Mar 2019 | 164.09 | 1 |
| Jan 2019 | 162.02 | 1 |
| Dec 2018 | 162.18 | 1 |
| Nov 2018 | 160.39 | 1 |
| Sep 2018 | 161.46 | 1 |
| Aug 2018 | 160.01 | 1 |
| Jun 2018 | 159.99 | 1 |
| May 2018 | 160.88 | 1 |
| Apr 2018 | 163.51 | 1 |
| Feb 2018 | 162.38 | 1 |
| Jan 2018 | 163.30 | 1 |
| Dec 2017 | 162.27 | 1 |
| Oct 2017 | 160.99 | 1 |
| Sep 2017 | 159.94 | 1 |
| Aug 2017 | 162.51 | 1 |
| Jun 2017 | 158.45 | 1 |
| May 2017 | 162.96 | 1 |
| Apr 2017 | 161.51 | 1 |
| Mar 2017 | 161.42 | 1 |
| Jan 2017 | 162.52 | 1 |
| Dec 2016 | 164.70 | 1 |
| Nov 2016 | 160.69 | 1 |
| Oct 2016 | 163.60 | 1 |
| Aug 2016 | 159.56 | 1 |
| Jul 2016 | 159.19 | 1 |
| Jun 2016 | 157.79 | 1 |
| May 2016 | 162.76 | 1 |
| Apr 2016 | 162.88 | 1 |
| Feb 2016 | 155.91 | 1 |
| Jan 2016 | 162.70 | 1 |
| Dec 2015 | 161.23 | 1 |
| Nov 2015 | 162.28 | 1 |
| Oct 2015 | 160.60 | 1 |
| Sep 2015 | 160.34 | 1 |
| Jul 2015 | 160.24 | 1 |
| Jun 2015 | 158.19 | 1 |
| May 2015 | 157.82 | 1 |
| Apr 2015 | 154.10 | 1 |
| Mar 2015 | 164.22 | 1 |
| Feb 2015 | 162.33 | 1 |
| Jan 2015 | 166.07 | 1 |
| Nov 2014 | 164.82 | 1 |
| Oct 2014 | 159.44 | 1 |
| Sep 2014 | 160.59 | 1 |
| Aug 2014 | 161.14 | 1 |
| Jul 2014 | 157.40 | 1 |
| Jun 2014 | 157.87 | 1 |
| May 2014 | 159.16 | 1 |
| Apr 2014 | 161.35 | 1 |
| Mar 2014 | 160.94 | 1 |
| Feb 2014 | 163.94 | 1 |
| Jan 2014 | 161.93 | 1 |
| Dec 2013 | 162.87 | 1 |
| Nov 2013 | 163.54 | 1 |
| Sep 2013 | 158.55 | 1 |
| Aug 2013 | 158.77 | 1 |
| Jul 2013 | 157.32 | 1 |
| Jun 2013 | 158.63 | 1 |
| May 2013 | 159.87 | 1 |
| Apr 2013 | 324.93 | 1 |
| Mar 2013 | 163.18 | 1 |
| Jan 2013 | 165.46 | 1 |
| Dec 2012 | 164.45 | 1 |
| Nov 2012 | 162.61 | 1 |
| Oct 2012 | 162.62 | 1 |
| Sep 2012 | 160.44 | 1 |
| Aug 2012 | 158.13 | 1 |
| Jul 2012 | 156.08 | 1 |
| Jun 2012 | 157.80 | 1 |
| May 2012 | 159.38 | 1 |
| Apr 2012 | 160.78 | 1 |
| Mar 2012 | 161.26 | 1 |
| Feb 2012 | 164.48 | 1 |
| Jan 2012 | 165.77 | 1 |
| Dec 2011 | 161.37 | 1 |
| Nov 2011 | 166.52 | 1 |
| Oct 2011 | 161.53 | 1 |
| Sep 2011 | 316.43 | 1 |
| Aug 2011 | 160.66 | 1 |
| Jul 2011 | 159.40 | 1 |
| Jun 2011 | 158.35 | 1 |
| May 2011 | 158.65 | 1 |
| Apr 2011 | 161.28 | 1 |
| Mar 2011 | 161.28 | 1 |
| Feb 2011 | 159.85 | 1 |
| Jan 2011 | 162.90 | 1 |
| Dec 2010 | 164.70 | 1 |
| Nov 2010 | 323.79 | 1 |
| Oct 2010 | 160.02 | 1 |
| Sep 2010 | 160.67 | 1 |
| Aug 2010 | 154.92 | 1 |
| Jul 2010 | 155.61 | 1 |
| Jun 2010 | 159.84 | 1 |
| May 2010 | 314.77 | 1 |
| Apr 2010 | 162.57 | 1 |
| Mar 2010 | 160.87 | 1 |
| Feb 2010 | 164.94 | 1 |
| Jan 2010 | 161.95 | 1 |
| Dec 2009 | 327.53 | 1 |
| Nov 2009 | 162.02 | 1 |
| Oct 2009 | 160.93 | 1 |
| Sep 2009 | 162.11 | 1 |
| Aug 2009 | 317.00 | 1 |
| Jul 2009 | 159.54 | 1 |
| Jun 2009 | 161.33 | 1 |
| May 2009 | 158.22 | 1 |
| Apr 2009 | 320.80 | 1 |
| Mar 2009 | 161.93 | 1 |
| Feb 2009 | 161.61 | 1 |
| Jan 2009 | 163.60 | 1 |
| Dec 2008 | 160.65 | 1 |
| Nov 2008 | 322.22 | 1 |
| Oct 2008 | 161.41 | 1 |
| Sep 2008 | 159.69 | 1 |
| Aug 2008 | 158.19 | 1 |
| Jul 2008 | 312.28 | 1 |
| Jun 2008 | 158.53 | 1 |
| May 2008 | 161.39 | 1 |
| Apr 2008 | 320.04 | 1 |
| Mar 2008 | 161.62 | 1 |
| Feb 2008 | 163.77 | 1 |
| Jan 2008 | 162.88 | 1 |
| Dec 2007 | 327.03 | 1 |
| Nov 2007 | 161.20 | 1 |
| Oct 2007 | 161.69 | 1 |
| Sep 2007 | 159.43 | 1 |
| Aug 2007 | 318.96 | 1 |
| Jul 2007 | 158.06 | 1 |
| Jun 2007 | 163.24 | 1 |
| May 2007 | 319.52 | 1 |
| Apr 2007 | 160.78 | 1 |
| Mar 2007 | 160.86 | 1 |
| Feb 2007 | 160.76 | 1 |
| Jan 2007 | 327.55 | 1 |
| Dec 2006 | 160.60 | 1 |
| Nov 2006 | 159.55 | 1 |
| Oct 2006 | 327.15 | 1 |
| Sep 2006 | 164.45 | 1 |
| Aug 2006 | 159.51 | 1 |
| Jul 2006 | 320.79 | 1 |
| Jun 2006 | 155.66 | 1 |
| May 2006 | 315.61 | 1 |
| Apr 2006 | 157.75 | 1 |
| Mar 2006 | 159.54 | 1 |
| Feb 2006 | 317.29 | 1 |
| Jan 2006 | 158.72 | 1 |
| Dec 2005 | 163.42 | 1 |
| Nov 2005 | 319.42 | 1 |
| Oct 2005 | 157.92 | 1 |
| Sep 2005 | 159.71 | 1 |
| Aug 2005 | 313.40 | 1 |
| Jul 2005 | 156.34 | 1 |
| Jun 2005 | 312.04 | 1 |
| May 2005 | 157.82 | 1 |
| Apr 2005 | 322.62 | 1 |
| Mar 2005 | 160.87 | 1 |
| Feb 2005 | 161.06 | 1 |
| Jan 2005 | 325.30 | 1 |
| Dec 2004 | 162.47 | 1 |
| Nov 2004 | 162.02 | 1 |
| Oct 2004 | 316.98 | 1 |
| Sep 2004 | 154.89 | 1 |
| Aug 2004 | 153.32 | 1 |
| Jul 2004 | 311.75 | 1 |
| Jun 2004 | 154.50 | 1 |
| May 2004 | 302.37 | 1 |
| Apr 2004 | 316.23 | 1 |
| Mar 2004 | 159.43 | 1 |
| Feb 2004 | 325.69 | 1 |
| Jan 2004 | 161.55 | 1 |
| Dec 2003 | 322.31 | 1 |
| Nov 2003 | 159.25 | 1 |
| Oct 2003 | 160.90 | 1 |
| Sep 2003 | 320.60 | 1 |
| Aug 2003 | 310.33 | 1 |
| Jul 2003 | 162.97 | 1 |
| Jun 2003 | 320.25 | 1 |
| May 2003 | 159.65 | 1 |
| Apr 2003 | 322.48 | 1 |
| Mar 2003 | 161.01 | 1 |
| Feb 2003 | 311.80 | 1 |
| Jan 2003 | 165.69 | 1 |
| Dec 2002 | 324.78 | 1 |
| Nov 2002 | 162.52 | 1 |
| Oct 2002 | 324.75 | 1 |
| Sep 2002 | 162.13 | 1 |
| Aug 2002 | 317.24 | 1 |
| Jul 2002 | 320.69 | 1 |
| Jun 2002 | 160.96 | 1 |
| May 2002 | 323.09 | 1 |
| Apr 2002 | 323.09 | 1 |
| Mar 2002 | 161.06 | 1 |
| Feb 2002 | 327.08 | 1 |
| Jan 2002 | 163.06 | 1 |
| Dec 2001 | 289.20 | 1 |
| Nov 2001 | 324.43 | 1 |
| Oct 2001 | 320.94 | 1 |
| Sep 2001 | 159.66 | 1 |
| Aug 2001 | 317.97 | 1 |
| Jul 2001 | 320.16 | 1 |
| Jun 2001 | 161.16 | 1 |
| May 2001 | 313.37 | 1 |
| Apr 2001 | 162.02 | 1 |
| Mar 2001 | 289.72 | 1 |
| Feb 2001 | 317.57 | 1 |
| Jan 2001 | 327.27 | 1 |
| Dec 2000 | 165.00 | 1 |
| Nov 2000 | 323.01 | 1 |
| Oct 2000 | 322.30 | 1 |
| Sep 2000 | 158.35 | 1 |
| Aug 2000 | 314.58 | 1 |
| Jul 2000 | 160.39 | 1 |
| Jun 2000 | 322.06 | 1 |
| Apr 2000 | 160.44 | 1 |
| Mar 2000 | 322.49 | 1 |
| Feb 2000 | 327.30 | 1 |
| Jan 2000 | 161.51 | 1 |
| Dec 1999 | 327.67 | 1 |
| Nov 1999 | 159.61 | 1 |
| Oct 1999 | 323.37 | 1 |
| Sep 1999 | 158.70 | 1 |
| Aug 1999 | 314.16 | 1 |
| Jul 1999 | 318.06 | 1 |
| Jun 1999 | 160.53 | 1 |
| May 1999 | 322.03 | 1 |
| Apr 1999 | 159.29 | 1 |
| Mar 1999 | 323.81 | 1 |
| Feb 1999 | 163.69 | 1 |
| Jan 1999 | 323.59 | 2 |
| Dec 1998 | 162.22 | 2 |
| Nov 1998 | 324.00 | 2 |
| Oct 1998 | 164.29 | 2 |
| Sep 1998 | 301.08 | 2 |
| Aug 1998 | 159.83 | 2 |
| Jul 1998 | 162.49 | 2 |
| Jun 1998 | 324.42 | 2 |
| May 1998 | 156.92 | 2 |
| Apr 1998 | 328.29 | 2 |
| Mar 1998 | 166.60 | 2 |
| Feb 1998 | 161.02 | 2 |
| Jan 1998 | 329.27 | 2 |
| Dec 1997 | 164.60 | 2 |
| Nov 1997 | 323.20 | 2 |
| Oct 1997 | 321.56 | 2 |
| Sep 1997 | 322.10 | 2 |
| Aug 1997 | 309.82 | 2 |
| Jul 1997 | 318.24 | 2 |
| Jun 1997 | 159.12 | 2 |
| May 1997 | 311.25 | 2 |
| Apr 1997 | 321.47 | 2 |
| Mar 1997 | 323.13 | 2 |
| Feb 1997 | 326.76 | 2 |
| Jan 1997 | 328.70 | 2 |
| Dec 1996 | 164.62 | 2 |
| Nov 1996 | 324.95 | 2 |
| Oct 1996 | 323.21 | 2 |
| Sep 1996 | 319.57 | 2 |
| Aug 1996 | 320.94 | 2 |
| Jul 1996 | 319.54 | 2 |
| Jun 1996 | 323.49 | 2 |
| May 1996 | 305.77 | 2 |
| Apr 1996 | 324.43 | 2 |
| Mar 1996 | 322.65 | 2 |
| Feb 1996 | 325.97 | 2 |
| Jan 1996 | 324.92 | 2 |
| Dec 1995 | 326.00 | 1 |
| Nov 1995 | 162.00 | 1 |
| Oct 1995 | 323.00 | 1 |
| Sep 1995 | 323.00 | 1 |
| Aug 1995 | 314.00 | 1 |
| Jul 1995 | 329.00 | 1 |
| Jun 1995 | 322.00 | 1 |
| May 1995 | 325.00 | 1 |
| Apr 1995 | 329.00 | 1 |
| Mar 1995 | 306.00 | 1 |
| Feb 1995 | 329.00 | 1 |
| Jan 1995 | 328.00 | 1 |
| Dec 1994 | 328.00 | 1 |
| Nov 1994 | 328.00 | 1 |
| Oct 1994 | 324.00 | 1 |
| Sep 1994 | 161.00 | 1 |
| Aug 1994 | 320.00 | 1 |
| Jul 1994 | 323.00 | 1 |
| Jun 1994 | 319.00 | 1 |
| May 1994 | 163.00 | 1 |
| Apr 1994 | 321.00 | 1 |
| Mar 1994 | 324.00 | 1 |
| Feb 1994 | 164.00 | 1 |
| Jan 1994 | 332.00 | 1 |
| Dec 1993 | 329.00 | 1 |
| Nov 1993 | 328.00 | 1 |
| Oct 1993 | 324.00 | 1 |
| Sep 1993 | 322.00 | 1 |
| Aug 1993 | 482.00 | 1 |
| Jul 1993 | 322.00 | 1 |
| Jun 1993 | 322.00 | 1 |
| May 1993 | 325.00 | 1 |
| Apr 1993 | 320.00 | 1 |
| Mar 1993 | 493.00 | 1 |
| Feb 1993 | 327.00 | 1 |
| Jan 1993 | 324.00 | 1 |
| Dec 1992 | 328.00 | 1 |
| Nov 1992 | 320.00 | 1 |
| Oct 1992 | 327.00 | 1 |
| Sep 1992 | 479.00 | 1 |
| Aug 1992 | 321.00 | 1 |
| Jul 1992 | 317.00 | 1 |
| Jun 1992 | 484.00 | 1 |
| May 1992 | 321.00 | 1 |
| Apr 1992 | 321.00 | 1 |
| Mar 1992 | 323.00 | 1 |
| Feb 1992 | 331.00 | 1 |
| Jan 1992 | 491.00 | 1 |
| Dec 1991 | 319.00 | 1 |
| Nov 1991 | 329.00 | 1 |
| Oct 1991 | 481.00 | 1 |
| Sep 1991 | 323.00 | 1 |
| Aug 1991 | 481.00 | 1 |
| Jul 1991 | 318.00 | 1 |
| Jun 1991 | 319.00 | 1 |
| May 1991 | 318.00 | 1 |
| Apr 1991 | 480.00 | 1 |
| Mar 1991 | 323.00 | 1 |
| Feb 1991 | 328.00 | 1 |
| Jan 1991 | 493.00 | 1 |
| Dec 1990 | 324.00 | 1 |
| Nov 1990 | 326.00 | 1 |
| Oct 1990 | 485.00 | 1 |
| Sep 1990 | 318.00 | 1 |
| Aug 1990 | 482.00 | 1 |
| Jul 1990 | 303.00 | 1 |
| Jun 1990 | 481.00 | 1 |
| May 1990 | 324.00 | 1 |
| Apr 1990 | 324.00 | 1 |
| Mar 1990 | 488.00 | 1 |
| Feb 1990 | 329.00 | 1 |
| Jan 1990 | 327.00 | 1 |
| Dec 1989 | 492.00 | 1 |
| Nov 1989 | 327.00 | 1 |
| Oct 1989 | 481.00 | 1 |
| Sep 1989 | 319.00 | 1 |
| Aug 1989 | 473.00 | 1 |
| Jul 1989 | 318.00 | 1 |
| Jun 1989 | 476.00 | 1 |
| May 1989 | 318.00 | 1 |
| Apr 1989 | 484.00 | 1 |
| Mar 1989 | 328.00 | 1 |
| Feb 1989 | 321.00 | 1 |
| Jan 1989 | 487.00 | 1 |
| Dec 1988 | 492.00 | 1 |
| Nov 1988 | 327.00 | 1 |
| Oct 1988 | 489.00 | 1 |
| Sep 1988 | 322.00 | 1 |
| Aug 1988 | 479.00 | 1 |
| Jul 1988 | 321.00 | 1 |
| Jun 1988 | 485.00 | 1 |
| May 1988 | 484.00 | 1 |
| Apr 1988 | 325.00 | 1 |
| Mar 1988 | 491.00 | 1 |
| Feb 1988 | 327.00 | 1 |
| Jan 1988 | 497.00 | 1 |
| Dec 1987 | 498.00 | 1 |
| Nov 1987 | 328.00 | 1 |
| Oct 1987 | 482.00 | 1 |
| Sep 1987 | 483.00 | 1 |
| Aug 1987 | 474.00 | 1 |
| Jul 1987 | 321.00 | 1 |
| Jun 1987 | 473.00 | 1 |
| May 1987 | 487.00 | 1 |
| Apr 1987 | 491.00 | 1 |
| Mar 1987 | 491.00 | 1 |
| Feb 1987 | 327.00 | 1 |
| Jan 1987 | 500.00 | 1 |
| Dec 1986 | 563.00 | 1 |
| Nov 1986 | 330.00 | 1 |
| Oct 1986 | 492.00 | 1 |
| Sep 1986 | 483.00 | 1 |
| Aug 1986 | 633.00 | 1 |
| Jul 1986 | 484.00 | 1 |
| Jun 1986 | 482.00 | 1 |
| May 1986 | 486.00 | 1 |
| Apr 1986 | 493.00 | 1 |
| Mar 1986 | 489.00 | 1 |
| Feb 1986 | 496.00 | 1 |
| Jan 1986 | 498.00 | 1 |
| Dec 1985 | 731.00 | 1 |
| Nov 1985 | 331.00 | 1 |
| Oct 1985 | 652.00 | 1 |
| Sep 1985 | 491.00 | 1 |
| Aug 1985 | 651.00 | 1 |
| Jul 1985 | 644.00 | 1 |
| Jun 1985 | 490.00 | 1 |
| May 1985 | 652.00 | 1 |
| Apr 1985 | 638.00 | 1 |
| Mar 1985 | 833.00 | 1 |
| Feb 1985 | 493.00 | 1 |
| Jan 1985 | 668.00 | 1 |
| Dec 1984 | 494.00 | 1 |
| Nov 1984 | 662.00 | 1 |
| Oct 1984 | 816.00 | 1 |
| Sep 1984 | 647.00 | 1 |
| Aug 1984 | 793.00 | 1 |
| Jul 1984 | 963.00 | 1 |
| Jun 1984 | 321.00 | 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
3 wells the state's well register assigns to this lease. Every one has a page.
| Well | No. | Operator | Status |
|---|---|---|---|
| CLAASSEN 'D' | 1 | Darrah Oil Company, LLC | Producing |
| CLASSEN 'D' | 2 | Range Oil Company, Inc. | Plugged and Abandoned |
| CLASSEN 'D' | 3 | Range Oil Company, Inc. | Plugged and Abandoned |
Location
37.898837, -97.111677 · SESWSW Sec 4 T25S R3E
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001134736. The state’s own record.