O'SULLIVAN
Lease 1001116401 · Stafford County, Kansas · NENENE Sec 10 T25S R15W · DOR 107555
Oil1976–20261 well
Operator
Siroky Oil Management
Cumulative (state figure)
38,225.05 bbl
First production
1976
Last production
2026
Location (PLSS)
NENENE Sec 10 T25S R15W
Monthly oil production
216 months filed with the Kansas Geological Survey, Jan 1980 to Feb 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
35,360.10 bbl
Months filed
216
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 38,225.05 bbl.
| Month | Oil (bbl) | Wells |
|---|---|---|
| Feb 2026 | 161.45 | 1 |
| Dec 2025 | 163.65 | 1 |
| Oct 2025 | 163.32 | 1 |
| Jun 2025 | 157.55 | 1 |
| Mar 2025 | 169.16 | 1 |
| Dec 2024 | 167.11 | 1 |
| Sep 2024 | 163.31 | 1 |
| Jun 2024 | 157.22 | 1 |
| Apr 2024 | 158.59 | 1 |
| Jan 2024 | 160.85 | 1 |
| Oct 2023 | 166.35 | 1 |
| Jul 2023 | 160.77 | 1 |
| May 2023 | 154.88 | 1 |
| Mar 2023 | 151.47 | 1 |
| Dec 2022 | 153.29 | 1 |
| Aug 2022 | 157.11 | 1 |
| Jun 2022 | 166.12 | 1 |
| Mar 2022 | 152.67 | 1 |
| Jan 2022 | 156.81 | 1 |
| Oct 2021 | 160.88 | 1 |
| Jul 2021 | 164.84 | 1 |
| May 2021 | 165.06 | 1 |
| Mar 2021 | 154.00 | 1 |
| Jan 2021 | 163.14 | 1 |
| Dec 2020 | 165.93 | 1 |
| Jul 2020 | 142.76 | 1 |
| Mar 2020 | 149.39 | 1 |
| Nov 2019 | 157.27 | 1 |
| Sep 2019 | 151.94 | 1 |
| Jul 2019 | 146.88 | 1 |
| Apr 2019 | 150.87 | 1 |
| Feb 2019 | 141.10 | 1 |
| Nov 2018 | 157.29 | 1 |
| Sep 2018 | 153.34 | 1 |
| May 2018 | 157.51 | 1 |
| Feb 2018 | 150.46 | 1 |
| Nov 2017 | 151.05 | 1 |
| Sep 2017 | 151.46 | 1 |
| Jul 2017 | 152.22 | 1 |
| Jan 2017 | 152.08 | 1 |
| Nov 2016 | 161.77 | 1 |
| Aug 2016 | 167.68 | 1 |
| Jun 2016 | 157.98 | 1 |
| Mar 2016 | 152.73 | 1 |
| Jan 2016 | 142.70 | 1 |
| Oct 2015 | 136.48 | 1 |
| Aug 2015 | 142.78 | 1 |
| Jun 2015 | 166.39 | 1 |
| Mar 2015 | 164.62 | 1 |
| Dec 2014 | 158.87 | 1 |
| Oct 2014 | 167.88 | 1 |
| Jul 2014 | 155.87 | 1 |
| May 2014 | 159.93 | 1 |
| Feb 2014 | 159.88 | 1 |
| Dec 2013 | 162.39 | 1 |
| Sep 2013 | 167.51 | 1 |
| Jul 2013 | 158.16 | 1 |
| Apr 2013 | 162.10 | 1 |
| Feb 2013 | 163.99 | 1 |
| Nov 2012 | 162.71 | 1 |
| Sep 2012 | 160.54 | 1 |
| Jun 2012 | 154.45 | 1 |
| Apr 2012 | 160.02 | 1 |
| Feb 2012 | 166.37 | 1 |
| Dec 2011 | 172.18 | 1 |
| Sep 2011 | 158.92 | 1 |
| Jun 2011 | 160.52 | 1 |
| Mar 2011 | 153.14 | 1 |
| Jan 2011 | 146.30 | 1 |
| Oct 2010 | 128.96 | 1 |
| Aug 2010 | 163.78 | 1 |
| May 2010 | 157.16 | 1 |
| Feb 2010 | 158.53 | 1 |
| Dec 2009 | 158.43 | 1 |
| Sep 2009 | 153.88 | 1 |
| Jul 2009 | 169.35 | 1 |
| May 2009 | 151.49 | 1 |
| Feb 2009 | 155.98 | 1 |
| Nov 2008 | 160.26 | 1 |
| Sep 2008 | 157.02 | 1 |
| Jul 2008 | 164.10 | 1 |
| Apr 2008 | 159.63 | 1 |
| Jan 2008 | 165.10 | 1 |
| Nov 2007 | 163.88 | 1 |
| Sep 2007 | 154.06 | 1 |
| Jun 2007 | 157.95 | 1 |
| Apr 2007 | 163.50 | 1 |
| Feb 2007 | 162.29 | 1 |
| Nov 2006 | 170.60 | 1 |
| Sep 2006 | 159.89 | 1 |
| Jun 2006 | 161.43 | 1 |
| Apr 2006 | 164.75 | 1 |
| Feb 2006 | 161.72 | 1 |
| Dec 2005 | 143.18 | 1 |
| Sep 2005 | 157.50 | 1 |
| Jul 2005 | 163.68 | 1 |
| May 2005 | 162.15 | 1 |
| Mar 2005 | 157.51 | 1 |
| Dec 2004 | 156.23 | 1 |
| Oct 2004 | 168.03 | 1 |
| Aug 2004 | 159.05 | 1 |
| May 2004 | 150.10 | 1 |
| Mar 2004 | 161.78 | 1 |
| Jan 2004 | 152.51 | 1 |
| Nov 2003 | 158.37 | 1 |
| Sep 2003 | 155.25 | 1 |
| Jul 2003 | 159.13 | 1 |
| Apr 2003 | 157.02 | 1 |
| Feb 2003 | 151.02 | 1 |
| Dec 2002 | 161.12 | 1 |
| Oct 2002 | 153.92 | 1 |
| Aug 2002 | 159.90 | 1 |
| Jun 2002 | 155.26 | 1 |
| Apr 2002 | 169.85 | 1 |
| Feb 2002 | 166.54 | 1 |
| Nov 2001 | 155.22 | 1 |
| Sep 2001 | 153.88 | 1 |
| Jul 2001 | 156.07 | 1 |
| May 2001 | 163.91 | 1 |
| Mar 2001 | 165.07 | 1 |
| Jan 2001 | 175.06 | 1 |
| Oct 2000 | 161.50 | 1 |
| Aug 2000 | 153.37 | 1 |
| Jun 2000 | 156.67 | 1 |
| Apr 2000 | 152.74 | 1 |
| Mar 2000 | 157.21 | 1 |
| Dec 1999 | 159.08 | 1 |
| Oct 1999 | 158.12 | 1 |
| Aug 1999 | 152.98 | 1 |
| Jul 1999 | 154.83 | 1 |
| May 1999 | 153.52 | 1 |
| Feb 1999 | 166.91 | 1 |
| Dec 1998 | 147.37 | 1 |
| Oct 1998 | 165.83 | 1 |
| Aug 1998 | 158.50 | 1 |
| Jul 1998 | 162.37 | 1 |
| May 1998 | 167.32 | 1 |
| Mar 1998 | 166.27 | 1 |
| Jan 1998 | 174.17 | 1 |
| Nov 1997 | 168.95 | 1 |
| Sep 1997 | 172.15 | 1 |
| Jul 1997 | 165.41 | 1 |
| May 1997 | 166.19 | 1 |
| Mar 1997 | 168.61 | 1 |
| Jan 1997 | 154.12 | 1 |
| Nov 1996 | 155.82 | 1 |
| Oct 1996 | 161.34 | 1 |
| Aug 1996 | 156.69 | 1 |
| Jun 1996 | 161.42 | 1 |
| Apr 1996 | 131.07 | 1 |
| Mar 1996 | 160.80 | 1 |
| Jan 1996 | 156.66 | 1 |
| Nov 1995 | 152.00 | 1 |
| Oct 1995 | 166.00 | 1 |
| Aug 1995 | 164.00 | 1 |
| Jun 1995 | 167.00 | 1 |
| Apr 1995 | 108.00 | 1 |
| Mar 1995 | 161.00 | 1 |
| Jan 1995 | 149.00 | 1 |
| Dec 1994 | 158.00 | 1 |
| Oct 1994 | 160.00 | 1 |
| Aug 1994 | 160.00 | 1 |
| Jul 1994 | 155.00 | 1 |
| May 1994 | 106.00 | 1 |
| Apr 1994 | 160.00 | 1 |
| Mar 1994 | 274.00 | 1 |
| Oct 1993 | 160.00 | 1 |
| Jul 1993 | 168.00 | 1 |
| Mar 1993 | 172.00 | 1 |
| Nov 1992 | 171.00 | 1 |
| Jul 1992 | 161.00 | 1 |
| May 1992 | 169.00 | 1 |
| Jan 1992 | 169.00 | 1 |
| Aug 1991 | 159.00 | 1 |
| May 1991 | 163.00 | 1 |
| Feb 1991 | 167.00 | 1 |
| Oct 1990 | 157.00 | 1 |
| Jul 1990 | 161.00 | 1 |
| Apr 1990 | 172.00 | 1 |
| Feb 1990 | 156.00 | 1 |
| Oct 1989 | 166.00 | 1 |
| Aug 1989 | 160.00 | 1 |
| Apr 1989 | 156.00 | 1 |
| Jan 1989 | 159.00 | 1 |
| Nov 1988 | 158.00 | 1 |
| Jul 1988 | 154.00 | 1 |
| Apr 1988 | 319.00 | 1 |
| Nov 1987 | 162.00 | 1 |
| Sep 1987 | 161.00 | 1 |
| Jun 1987 | 198.00 | 1 |
| Feb 1987 | 163.00 | 1 |
| Nov 1986 | 200.00 | 1 |
| May 1986 | 206.00 | 1 |
| Jan 1986 | 227.00 | 1 |
| Oct 1985 | 238.00 | 1 |
| May 1985 | 216.00 | 1 |
| Feb 1985 | 207.00 | 1 |
| Nov 1984 | 203.00 | 1 |
| Sep 1984 | 310.00 | 1 |
| Jul 1984 | 213.00 | 1 |
| Aug 1983 | 160.00 | 1 |
| May 1983 | 160.00 | 1 |
| Feb 1983 | 170.00 | 1 |
| Aug 1982 | 159.00 | 1 |
| Apr 1982 | 161.00 | 1 |
| Dec 1981 | 155.00 | 1 |
| Sep 1981 | 162.00 | 1 |
| Jun 1981 | 160.00 | 1 |
| Mar 1981 | 156.00 | 1 |
| Feb 1981 | 148.00 | 1 |
| Nov 1980 | 162.00 | 1 |
| Oct 1980 | 159.00 | 1 |
| Aug 1980 | 157.00 | 1 |
| Jun 1980 | 158.00 | 1 |
| Apr 1980 | 290.00 | 1 |
| Jan 1980 | 216.00 | 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 |
|---|---|---|---|
| O'Sullivan | 1 | Siroky Oil Management | Producing |
Location
37.897138, -98.950064 · NENENE Sec 10 T25S R15W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001116401. The state’s own record.