UNDERWOOD
Lease 1001113594 · Barton County, Kansas · SWSWSW Sec 9 T17S R13W · DOR 105475
Oil1958–20261 well
Operator
Richlan Drilling, a General Partnership
Cumulative (state figure)
208,070.61 bbl
First production
1958
Last production
2026
Location (PLSS)
SWSWSW Sec 9 T17S R13W
Monthly oil production
381 months filed with the Kansas Geological Survey, Feb 1980 to Apr 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
82,286.60 bbl
Months filed
381
Most wells in a month
1
This lease was producing before 1980, and the series begins in January 1980. The total above covers the months shown, not the life of the lease; the state's own cumulative is 208,070.61 bbl.
| Month | Oil (bbl) | Wells |
|---|---|---|
| Apr 2026 | 169.44 | 1 |
| Feb 2026 | 168.64 | 1 |
| Dec 2025 | 161.90 | 1 |
| Oct 2025 | 170.22 | 1 |
| Aug 2025 | 163.98 | 1 |
| Jul 2025 | 180.58 | 1 |
| May 2025 | 170.66 | 1 |
| Mar 2025 | 158.82 | 1 |
| Feb 2025 | 177.57 | 1 |
| Dec 2024 | 170.46 | 1 |
| Nov 2024 | 192.01 | 1 |
| Sep 2024 | 169.50 | 1 |
| Aug 2024 | 164.80 | 1 |
| Jun 2024 | 156.93 | 1 |
| Apr 2024 | 192.51 | 1 |
| Feb 2024 | 160.80 | 1 |
| Dec 2023 | 182.05 | 1 |
| Oct 2023 | 167.50 | 1 |
| Sep 2023 | 177.50 | 1 |
| Jul 2023 | 162.58 | 1 |
| Jun 2023 | 178.21 | 1 |
| Apr 2023 | 177.77 | 1 |
| Mar 2023 | 173.76 | 1 |
| Jan 2023 | 181.27 | 1 |
| Nov 2022 | 174.33 | 1 |
| Sep 2022 | 170.73 | 1 |
| Aug 2022 | 171.50 | 1 |
| Jun 2022 | 163.15 | 1 |
| May 2022 | 174.59 | 1 |
| Mar 2022 | 175.38 | 1 |
| Jan 2022 | 166.65 | 1 |
| Dec 2021 | 173.59 | 1 |
| Oct 2021 | 183.44 | 1 |
| Sep 2021 | 179.09 | 1 |
| Jul 2021 | 177.79 | 1 |
| Jun 2021 | 170.53 | 1 |
| Apr 2021 | 162.31 | 1 |
| Mar 2021 | 191.27 | 1 |
| Jan 2021 | 174.51 | 1 |
| Dec 2020 | 183.94 | 1 |
| Sep 2020 | 165.86 | 1 |
| Aug 2020 | 184.01 | 1 |
| Jun 2020 | 168.01 | 1 |
| May 2020 | 187.91 | 1 |
| Mar 2020 | 192.37 | 1 |
| Jan 2020 | 170.05 | 1 |
| Dec 2019 | 167.57 | 1 |
| Nov 2019 | 171.42 | 1 |
| Sep 2019 | 154.67 | 1 |
| Aug 2019 | 185.90 | 1 |
| Jul 2019 | 171.01 | 1 |
| May 2019 | 157.74 | 1 |
| Apr 2019 | 181.19 | 1 |
| Mar 2019 | 183.95 | 1 |
| Feb 2019 | 182.73 | 1 |
| Dec 2018 | 180.64 | 1 |
| Nov 2018 | 182.02 | 1 |
| Oct 2018 | 166.74 | 1 |
| Sep 2018 | 174.27 | 1 |
| Jul 2018 | 161.20 | 1 |
| Jun 2018 | 172.82 | 1 |
| May 2018 | 172.22 | 1 |
| Apr 2018 | 165.69 | 1 |
| Mar 2018 | 161.85 | 1 |
| Jan 2018 | 156.54 | 1 |
| Dec 2017 | 164.64 | 1 |
| Nov 2017 | 166.91 | 1 |
| Oct 2017 | 154.68 | 1 |
| Aug 2017 | 164.05 | 1 |
| Jul 2017 | 8.82 | 1 |
| Jun 2017 | 161.21 | 1 |
| Apr 2017 | 172.36 | 1 |
| Feb 2017 | 164.47 | 1 |
| Jan 2017 | 164.77 | 1 |
| Dec 2016 | 163.47 | 1 |
| Nov 2016 | 158.35 | 1 |
| Oct 2016 | 168.60 | 1 |
| Aug 2016 | 158.80 | 1 |
| Jul 2016 | 162.84 | 1 |
| Jun 2016 | 162.29 | 1 |
| May 2016 | 177.15 | 1 |
| Apr 2016 | 172.96 | 1 |
| Mar 2016 | 169.16 | 1 |
| Feb 2016 | 165.25 | 1 |
| Dec 2015 | 170.14 | 1 |
| Nov 2015 | 138.19 | 1 |
| Oct 2015 | 146.24 | 1 |
| Aug 2015 | 160.72 | 1 |
| Jul 2015 | 166.42 | 1 |
| Jun 2015 | 163.38 | 1 |
| Apr 2015 | 147.73 | 1 |
| Mar 2015 | 163.79 | 1 |
| Feb 2015 | 172.06 | 1 |
| Dec 2014 | 161.44 | 1 |
| Nov 2014 | 162.62 | 1 |
| Oct 2014 | 161.71 | 1 |
| Sep 2014 | 156.82 | 1 |
| Jul 2014 | 159.60 | 1 |
| Jun 2014 | 156.27 | 1 |
| May 2014 | 156.38 | 1 |
| Apr 2014 | 165.69 | 1 |
| Feb 2014 | 155.56 | 1 |
| Jan 2014 | 171.85 | 1 |
| Dec 2013 | 190.62 | 1 |
| Oct 2013 | 169.55 | 1 |
| Sep 2013 | 164.96 | 1 |
| Aug 2013 | 169.21 | 1 |
| Jul 2013 | 159.01 | 1 |
| Jun 2013 | 157.30 | 1 |
| May 2013 | 168.81 | 1 |
| Apr 2013 | 162.03 | 1 |
| Mar 2013 | 156.12 | 1 |
| Feb 2013 | 162.82 | 1 |
| Jan 2013 | 175.64 | 1 |
| Dec 2012 | 165.62 | 1 |
| Nov 2012 | 168.72 | 1 |
| Oct 2012 | 171.17 | 1 |
| Sep 2012 | 171.30 | 1 |
| Aug 2012 | 163.73 | 1 |
| Jul 2012 | 180.26 | 1 |
| Jun 2012 | 153.73 | 1 |
| May 2012 | 160.39 | 1 |
| Apr 2012 | 167.25 | 1 |
| Mar 2012 | 167.07 | 1 |
| Jan 2012 | 177.33 | 1 |
| Dec 2011 | 174.76 | 1 |
| Nov 2011 | 172.74 | 1 |
| Oct 2011 | 177.22 | 1 |
| Sep 2011 | 171.37 | 1 |
| Aug 2011 | 175.41 | 1 |
| Jul 2011 | 159.90 | 1 |
| Jun 2011 | 151.97 | 1 |
| May 2011 | 157.46 | 1 |
| Apr 2011 | 157.59 | 1 |
| Mar 2011 | 334.34 | 1 |
| Feb 2011 | 169.71 | 1 |
| Jan 2011 | 166.54 | 1 |
| Dec 2010 | 171.08 | 1 |
| Nov 2010 | 171.12 | 1 |
| Oct 2010 | 169.40 | 1 |
| Sep 2010 | 161.20 | 1 |
| Aug 2010 | 318.12 | 1 |
| Jul 2010 | 184.02 | 1 |
| Jun 2010 | 165.75 | 1 |
| May 2010 | 321.34 | 1 |
| Apr 2010 | 170.85 | 1 |
| Mar 2010 | 372.88 | 1 |
| Feb 2010 | 336.46 | 1 |
| Jan 2010 | 334.32 | 1 |
| Dec 2009 | 186.48 | 1 |
| Nov 2009 | 348.20 | 1 |
| Oct 2009 | 354.81 | 1 |
| Sep 2009 | 340.61 | 1 |
| Aug 2009 | 337.69 | 1 |
| Jul 2009 | 332.83 | 1 |
| Jun 2009 | 156.80 | 1 |
| May 2009 | 338.96 | 1 |
| Apr 2009 | 332.93 | 1 |
| Mar 2009 | 337.04 | 1 |
| Feb 2009 | 340.15 | 1 |
| Jan 2009 | 335.58 | 1 |
| Dec 2008 | 360.20 | 1 |
| Nov 2008 | 357.96 | 1 |
| Oct 2008 | 173.81 | 1 |
| Sep 2008 | 340.22 | 1 |
| Aug 2008 | 327.67 | 1 |
| Jul 2008 | 151.01 | 1 |
| Jun 2008 | 351.98 | 1 |
| May 2008 | 159.48 | 1 |
| Apr 2008 | 178.10 | 1 |
| Mar 2008 | 175.28 | 1 |
| Feb 2008 | 363.75 | 1 |
| Jan 2008 | 336.81 | 1 |
| Dec 2007 | 331.15 | 1 |
| Nov 2007 | 161.08 | 1 |
| Oct 2007 | 322.10 | 1 |
| Sep 2007 | 164.75 | 1 |
| Aug 2007 | 332.74 | 1 |
| Jul 2007 | 156.03 | 1 |
| Jun 2007 | 358.45 | 1 |
| May 2007 | 501.48 | 1 |
| Apr 2007 | 361.50 | 1 |
| Mar 2007 | 349.91 | 1 |
| Feb 2007 | 342.28 | 1 |
| Jan 2007 | 334.40 | 1 |
| Dec 2006 | 189.12 | 1 |
| Nov 2006 | 170.03 | 1 |
| Oct 2006 | 189.05 | 1 |
| Sep 2006 | 171.16 | 1 |
| Jul 2006 | 161.62 | 1 |
| May 2006 | 171.16 | 1 |
| Mar 2006 | 179.74 | 1 |
| Jan 2006 | 171.94 | 1 |
| Nov 2005 | 163.92 | 1 |
| Oct 2005 | 169.80 | 1 |
| Aug 2005 | 159.81 | 1 |
| Jun 2005 | 164.16 | 1 |
| May 2005 | 160.37 | 1 |
| Mar 2005 | 161.46 | 1 |
| Feb 2005 | 171.32 | 1 |
| Jan 2005 | 172.14 | 1 |
| Dec 2004 | 169.53 | 1 |
| Nov 2004 | 174.17 | 1 |
| Oct 2004 | 176.40 | 1 |
| Aug 2004 | 169.84 | 1 |
| Jul 2004 | 172.88 | 1 |
| Jun 2004 | 163.97 | 1 |
| May 2004 | 159.81 | 1 |
| Apr 2004 | 170.56 | 1 |
| Mar 2004 | 166.59 | 1 |
| Feb 2004 | 164.41 | 1 |
| Jan 2004 | 165.21 | 1 |
| Dec 2003 | 164.41 | 1 |
| Nov 2003 | 165.20 | 1 |
| Oct 2003 | 167.36 | 1 |
| Sep 2003 | 170.82 | 1 |
| Aug 2003 | 162.77 | 1 |
| Jul 2003 | 163.36 | 1 |
| Jun 2003 | 169.69 | 1 |
| May 2003 | 168.67 | 1 |
| Apr 2003 | 172.71 | 1 |
| Mar 2003 | 172.86 | 1 |
| Jan 2003 | 177.23 | 1 |
| Dec 2002 | 176.71 | 1 |
| Nov 2002 | 160.37 | 1 |
| Oct 2002 | 171.85 | 1 |
| Sep 2002 | 175.16 | 1 |
| Aug 2002 | 173.48 | 1 |
| Jul 2002 | 174.10 | 1 |
| Jun 2002 | 340.85 | 1 |
| Apr 2002 | 185.93 | 1 |
| Mar 2002 | 175.85 | 1 |
| Feb 2002 | 166.08 | 1 |
| Jan 2002 | 173.05 | 1 |
| Dec 2001 | 178.93 | 1 |
| Oct 2001 | 169.65 | 1 |
| Sep 2001 | 177.78 | 1 |
| Jul 2001 | 179.25 | 1 |
| May 2001 | 170.83 | 1 |
| Apr 2001 | 164.72 | 1 |
| Mar 2001 | 175.26 | 1 |
| Feb 2001 | 182.29 | 1 |
| Jan 2001 | 182.19 | 1 |
| Dec 2000 | 175.74 | 1 |
| Oct 2000 | 179.25 | 1 |
| Sep 2000 | 178.56 | 1 |
| Aug 2000 | 173.27 | 1 |
| Jun 2000 | 178.70 | 1 |
| May 2000 | 179.61 | 1 |
| Apr 2000 | 171.52 | 1 |
| Feb 2000 | 173.10 | 1 |
| Jan 2000 | 174.20 | 1 |
| Dec 1999 | 194.78 | 1 |
| Oct 1999 | 181.16 | 1 |
| Sep 1999 | 174.54 | 1 |
| Aug 1999 | 187.95 | 1 |
| Jun 1999 | 368.98 | 1 |
| May 1999 | 181.69 | 1 |
| Apr 1999 | 180.31 | 1 |
| Feb 1999 | 190.43 | 1 |
| Jan 1999 | 151.76 | 1 |
| Dec 1998 | 191.36 | 1 |
| Nov 1998 | 185.92 | 1 |
| Jul 1998 | 179.96 | 1 |
| Jun 1998 | 173.23 | 1 |
| May 1998 | 173.86 | 1 |
| Mar 1998 | 174.85 | 1 |
| Dec 1997 | 182.06 | 1 |
| Nov 1997 | 189.38 | 1 |
| Sep 1997 | 172.29 | 1 |
| Jul 1997 | 167.02 | 1 |
| May 1997 | 187.35 | 1 |
| Apr 1997 | 166.86 | 1 |
| Feb 1997 | 176.53 | 1 |
| Dec 1996 | 181.13 | 1 |
| Oct 1996 | 173.11 | 1 |
| Aug 1996 | 164.78 | 1 |
| Jun 1996 | 166.17 | 1 |
| Apr 1996 | 178.30 | 1 |
| Feb 1996 | 205.88 | 1 |
| Dec 1995 | 209.00 | 1 |
| Sep 1995 | 203.00 | 1 |
| Jun 1995 | 205.00 | 1 |
| Apr 1995 | 210.00 | 1 |
| Jan 1995 | 210.00 | 1 |
| Nov 1994 | 185.00 | 1 |
| Aug 1994 | 207.00 | 1 |
| Jun 1994 | 214.00 | 1 |
| Apr 1994 | 209.00 | 1 |
| Feb 1994 | 214.00 | 1 |
| Dec 1993 | 215.00 | 1 |
| Oct 1993 | 204.00 | 1 |
| Aug 1993 | 216.00 | 1 |
| Jun 1993 | 210.00 | 1 |
| May 1993 | 212.00 | 1 |
| Mar 1993 | 221.00 | 1 |
| Jan 1993 | 207.00 | 1 |
| Dec 1992 | 217.00 | 1 |
| Oct 1992 | 218.00 | 1 |
| Sep 1992 | 209.00 | 1 |
| Aug 1992 | 168.00 | 1 |
| Jul 1992 | 179.00 | 1 |
| Jun 1992 | 429.00 | 1 |
| May 1992 | 194.00 | 1 |
| Apr 1992 | 417.00 | 1 |
| Mar 1992 | 208.00 | 1 |
| Feb 1992 | 407.00 | 1 |
| Jan 1992 | 420.00 | 1 |
| Dec 1991 | 439.00 | 1 |
| Nov 1991 | 406.00 | 1 |
| Oct 1991 | 424.00 | 1 |
| Sep 1991 | 424.00 | 1 |
| Aug 1991 | 627.00 | 1 |
| Jul 1991 | 640.00 | 1 |
| May 1991 | 425.00 | 1 |
| Apr 1991 | 430.00 | 1 |
| Mar 1991 | 652.00 | 1 |
| Feb 1991 | 847.00 | 1 |
| Jan 1991 | 642.00 | 1 |
| Dec 1990 | 766.00 | 1 |
| Nov 1990 | 822.00 | 1 |
| Oct 1990 | 638.00 | 1 |
| Sep 1990 | 623.00 | 1 |
| Aug 1990 | 870.00 | 1 |
| Jul 1990 | 540.00 | 1 |
| Jun 1990 | 211.00 | 1 |
| Apr 1990 | 179.00 | 1 |
| Feb 1990 | 221.00 | 1 |
| Dec 1989 | 205.00 | 1 |
| Sep 1989 | 174.00 | 1 |
| Jul 1989 | 205.00 | 1 |
| Apr 1989 | 204.00 | 1 |
| Feb 1989 | 207.00 | 1 |
| Jan 1989 | 195.00 | 1 |
| Oct 1988 | 209.00 | 1 |
| Jul 1988 | 201.00 | 1 |
| Jun 1988 | 221.00 | 1 |
| Nov 1987 | 174.00 | 1 |
| Jul 1987 | 215.00 | 1 |
| May 1987 | 219.00 | 1 |
| Feb 1987 | 223.00 | 1 |
| Nov 1986 | 215.00 | 1 |
| Aug 1986 | 209.00 | 1 |
| Jun 1986 | 215.00 | 1 |
| Mar 1986 | 211.00 | 1 |
| Dec 1985 | 220.00 | 1 |
| Sep 1985 | 203.00 | 1 |
| Jul 1985 | 215.00 | 1 |
| Apr 1985 | 209.00 | 1 |
| Feb 1985 | 217.00 | 1 |
| Nov 1984 | 214.00 | 1 |
| Sep 1984 | 209.00 | 1 |
| Jun 1984 | 219.00 | 1 |
| Apr 1984 | 222.00 | 1 |
| Feb 1984 | 224.00 | 1 |
| Nov 1983 | 222.00 | 1 |
| Sep 1983 | 219.00 | 1 |
| Jun 1983 | 217.00 | 1 |
| Apr 1983 | 222.00 | 1 |
| Feb 1983 | 217.00 | 1 |
| Dec 1982 | 166.00 | 1 |
| Oct 1982 | 221.00 | 1 |
| Aug 1982 | 217.00 | 1 |
| Jun 1982 | 219.00 | 1 |
| Apr 1982 | 220.00 | 1 |
| Feb 1982 | 225.00 | 1 |
| Dec 1981 | 218.00 | 1 |
| Oct 1981 | 224.00 | 1 |
| Aug 1981 | 217.00 | 1 |
| Jul 1981 | 208.00 | 1 |
| May 1981 | 220.00 | 1 |
| Mar 1981 | 223.00 | 1 |
| Jan 1981 | 212.00 | 1 |
| Dec 1980 | 224.00 | 1 |
| Oct 1980 | 217.00 | 1 |
| Sep 1980 | 205.00 | 1 |
| Jul 1980 | 192.00 | 1 |
| Jun 1980 | 205.00 | 1 |
| Apr 1980 | 219.00 | 1 |
| Mar 1980 | 223.00 | 1 |
| Feb 1980 | 222.00 | 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 |
|---|---|---|---|
| UNDERWOOD | 1 | Richlan Drilling, a General Partnership | Producing |
Location
38.580588, -98.774014 · SWSWSW Sec 9 T17S R13W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001113594. The state’s own record.