O'BRIEN
Lease 1001121439 · Ness County, Kansas · CNWNW Sec 12 T20S R22W · DOR 111058
Oil1976–20221 well
Operator
American Warrior, Inc.
Cumulative (state figure)
105,774.85 bbl
First production
1976
Last production
2022
Location (PLSS)
CNWNW Sec 12 T20S R22W
Monthly oil production
262 months filed with the Kansas Geological Survey, Jan 1980 to Sep 2022. 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
63,599.80 bbl
Months filed
262
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 105,774.85 bbl.
| Month | Oil (bbl) | Wells |
|---|---|---|
| Sep 2022 | 140.04 | 1 |
| Apr 2017 | 157.06 | 1 |
| Nov 2016 | 160.77 | 1 |
| Nov 2015 | 158.07 | 1 |
| Apr 2015 | 157.60 | 1 |
| Oct 2014 | 159.94 | 1 |
| Feb 2014 | 154.81 | 1 |
| Aug 2013 | 155.64 | 1 |
| Mar 2013 | 163.24 | 1 |
| Oct 2012 | 164.74 | 1 |
| Jun 2012 | 155.14 | 1 |
| Feb 2012 | 153.64 | 1 |
| Oct 2011 | 160.61 | 1 |
| Mar 2011 | 157.63 | 1 |
| Sep 2010 | 160.08 | 1 |
| May 2010 | 163.07 | 1 |
| Jan 2010 | 152.10 | 1 |
| Oct 2009 | 166.38 | 1 |
| May 2009 | 165.11 | 1 |
| Feb 2009 | 161.57 | 1 |
| Oct 2008 | 162.91 | 1 |
| Jun 2008 | 164.17 | 1 |
| Feb 2008 | 166.36 | 1 |
| Oct 2007 | 170.21 | 1 |
| Jul 2007 | 30.06 | 1 |
| Jun 2007 | 164.69 | 1 |
| May 2007 | 73.48 | 1 |
| Mar 2007 | 165.72 | 1 |
| Dec 2006 | 20.04 | 1 |
| Nov 2006 | 157.17 | 1 |
| Jul 2006 | 165.07 | 1 |
| Apr 2006 | 156.16 | 1 |
| Jan 2006 | 162.96 | 1 |
| Sep 2005 | 169.22 | 1 |
| Jul 2005 | 91.85 | 1 |
| May 2005 | 161.86 | 1 |
| Apr 2005 | 110.22 | 1 |
| Feb 2005 | 169.67 | 1 |
| Oct 2004 | 163.51 | 1 |
| Jul 2004 | 162.29 | 1 |
| Apr 2004 | 164.28 | 1 |
| Jan 2004 | 157.44 | 1 |
| Oct 2003 | 167.57 | 1 |
| Jun 2003 | 163.12 | 1 |
| Mar 2003 | 161.99 | 1 |
| Jan 2003 | 162.87 | 1 |
| Nov 2002 | 166.13 | 1 |
| Aug 2002 | 157.33 | 1 |
| Jul 2002 | 150.15 | 1 |
| May 2002 | 166.58 | 1 |
| Mar 2002 | 163.94 | 1 |
| Jan 2002 | 160.19 | 1 |
| Dec 2001 | 164.58 | 1 |
| Oct 2001 | 165.68 | 1 |
| Sep 2001 | 162.14 | 1 |
| Aug 2001 | 162.57 | 1 |
| Jul 2001 | 164.57 | 1 |
| May 2001 | 163.11 | 1 |
| Apr 2001 | 215.01 | 1 |
| Mar 2001 | 165.90 | 1 |
| Feb 2001 | 165.82 | 1 |
| Jan 2001 | 159.50 | 1 |
| Dec 2000 | 163.52 | 1 |
| Nov 2000 | 161.42 | 1 |
| Oct 2000 | 323.75 | 1 |
| Oct 1999 | 126.56 | 1 |
| Dec 1997 | 165.65 | 1 |
| Oct 1997 | 169.99 | 1 |
| Jul 1997 | 158.10 | 1 |
| May 1997 | 165.73 | 1 |
| Apr 1997 | 162.79 | 1 |
| Feb 1997 | 168.69 | 1 |
| Jan 1997 | 161.94 | 1 |
| Nov 1996 | 174.87 | 1 |
| Oct 1996 | 174.22 | 1 |
| Aug 1996 | 166.23 | 1 |
| Jul 1996 | 171.23 | 1 |
| Jun 1996 | 173.88 | 1 |
| May 1996 | 164.59 | 1 |
| Mar 1996 | 156.85 | 1 |
| Feb 1996 | 166.23 | 1 |
| Jan 1996 | 168.28 | 1 |
| Dec 1995 | 168.00 | 1 |
| Nov 1995 | 166.00 | 1 |
| Sep 1995 | 165.00 | 1 |
| Aug 1995 | 162.00 | 1 |
| Jul 1995 | 161.00 | 1 |
| May 1995 | 169.00 | 1 |
| Apr 1995 | 166.00 | 1 |
| Mar 1995 | 169.00 | 1 |
| Feb 1995 | 166.00 | 1 |
| Jan 1995 | 171.00 | 1 |
| Dec 1994 | 168.00 | 1 |
| Nov 1994 | 162.00 | 1 |
| Oct 1994 | 167.00 | 1 |
| Sep 1994 | 327.00 | 1 |
| Aug 1994 | 331.00 | 1 |
| Jul 1994 | 333.00 | 1 |
| Jun 1994 | 476.00 | 1 |
| May 1994 | 187.00 | 1 |
| Apr 1994 | 140.00 | 1 |
| Mar 1994 | 52.00 | 1 |
| Feb 1994 | 186.00 | 1 |
| Jan 1994 | 163.00 | 1 |
| Nov 1993 | 165.00 | 1 |
| Oct 1993 | 167.00 | 1 |
| Sep 1993 | 166.00 | 1 |
| Jul 1993 | 163.00 | 1 |
| Jun 1993 | 165.00 | 1 |
| May 1993 | 164.00 | 1 |
| Apr 1993 | 163.00 | 1 |
| Mar 1993 | 167.00 | 1 |
| Feb 1993 | 162.00 | 1 |
| Dec 1992 | 166.00 | 1 |
| Oct 1992 | 162.00 | 1 |
| Sep 1992 | 165.00 | 1 |
| Jul 1992 | 164.00 | 1 |
| Jun 1992 | 164.00 | 1 |
| May 1992 | 165.00 | 1 |
| Apr 1992 | 168.00 | 1 |
| Mar 1992 | 163.00 | 1 |
| Jan 1992 | 336.00 | 1 |
| Dec 1991 | 163.00 | 1 |
| Nov 1991 | 166.00 | 1 |
| Oct 1991 | 169.00 | 1 |
| Sep 1991 | 160.00 | 1 |
| Aug 1991 | 161.00 | 1 |
| Jul 1991 | 162.00 | 1 |
| Jun 1991 | 165.00 | 1 |
| May 1991 | 166.00 | 1 |
| Apr 1991 | 169.00 | 1 |
| Mar 1991 | 169.00 | 1 |
| Feb 1991 | 172.00 | 1 |
| Jan 1991 | 167.00 | 1 |
| Dec 1990 | 152.00 | 1 |
| Oct 1990 | 183.00 | 1 |
| Sep 1990 | 166.00 | 1 |
| Aug 1990 | 157.00 | 1 |
| Jul 1990 | 166.00 | 1 |
| Jun 1990 | 165.00 | 1 |
| May 1990 | 167.00 | 1 |
| Apr 1990 | 168.00 | 1 |
| Mar 1990 | 163.00 | 1 |
| Feb 1990 | 168.00 | 1 |
| Jan 1990 | 331.00 | 1 |
| Dec 1989 | 170.00 | 1 |
| Nov 1989 | 334.00 | 1 |
| Oct 1989 | 335.00 | 1 |
| Sep 1989 | 165.00 | 1 |
| Aug 1989 | 162.00 | 1 |
| Jul 1989 | 166.00 | 1 |
| Jun 1989 | 167.00 | 1 |
| May 1989 | 165.00 | 1 |
| Apr 1989 | 166.00 | 1 |
| Mar 1989 | 166.00 | 1 |
| Feb 1989 | 161.00 | 1 |
| Jan 1989 | 334.00 | 1 |
| Dec 1988 | 335.00 | 1 |
| Nov 1988 | 168.00 | 1 |
| Oct 1988 | 335.00 | 1 |
| Sep 1988 | 331.00 | 1 |
| Aug 1988 | 323.00 | 1 |
| Jul 1988 | 330.00 | 1 |
| Jun 1988 | 496.00 | 1 |
| May 1988 | 500.00 | 1 |
| Apr 1988 | 166.00 | 1 |
| Mar 1988 | 492.00 | 1 |
| Feb 1988 | 494.00 | 1 |
| Jan 1988 | 164.00 | 1 |
| Dec 1987 | 164.00 | 1 |
| Nov 1987 | 336.00 | 1 |
| Oct 1987 | 165.00 | 1 |
| Sep 1987 | 330.00 | 1 |
| Aug 1987 | 328.00 | 1 |
| Jul 1987 | 164.00 | 1 |
| Jun 1987 | 330.00 | 1 |
| May 1987 | 162.00 | 1 |
| Apr 1987 | 333.00 | 1 |
| Mar 1987 | 168.00 | 1 |
| Feb 1987 | 166.00 | 1 |
| Jan 1987 | 164.00 | 1 |
| Dec 1986 | 168.00 | 1 |
| Nov 1986 | 162.00 | 1 |
| Oct 1986 | 166.00 | 1 |
| Sep 1986 | 491.00 | 1 |
| Jul 1986 | 164.00 | 1 |
| Jun 1986 | 332.00 | 1 |
| May 1986 | 332.00 | 1 |
| Apr 1986 | 167.00 | 1 |
| Mar 1986 | 332.00 | 1 |
| Feb 1986 | 161.00 | 1 |
| Jan 1986 | 327.00 | 1 |
| Nov 1985 | 161.00 | 1 |
| Oct 1985 | 166.00 | 1 |
| Sep 1985 | 332.00 | 1 |
| Aug 1985 | 330.00 | 1 |
| Jul 1985 | 331.00 | 1 |
| Jun 1985 | 328.00 | 1 |
| May 1985 | 490.00 | 1 |
| Apr 1985 | 665.00 | 1 |
| Mar 1985 | 501.00 | 1 |
| Feb 1985 | 668.00 | 1 |
| Jan 1985 | 671.00 | 1 |
| Dec 1984 | 828.00 | 1 |
| Nov 1984 | 643.00 | 1 |
| Oct 1984 | 165.00 | 1 |
| Sep 1984 | 171.00 | 1 |
| Aug 1984 | 163.00 | 1 |
| Jul 1984 | 161.00 | 1 |
| Jun 1984 | 329.00 | 1 |
| May 1984 | 330.00 | 1 |
| Apr 1984 | 335.00 | 1 |
| Mar 1984 | 503.00 | 1 |
| Feb 1984 | 335.00 | 1 |
| Jan 1984 | 673.00 | 1 |
| Dec 1983 | 508.00 | 1 |
| Nov 1983 | 666.00 | 1 |
| Oct 1983 | 665.00 | 1 |
| Sep 1983 | 659.00 | 1 |
| Aug 1983 | 820.00 | 1 |
| Jul 1983 | 658.00 | 1 |
| Jun 1983 | 329.00 | 1 |
| May 1983 | 165.00 | 1 |
| Apr 1983 | 165.00 | 1 |
| Mar 1983 | 162.00 | 1 |
| Feb 1983 | 165.00 | 1 |
| Jan 1983 | 326.00 | 1 |
| Nov 1982 | 168.00 | 1 |
| Oct 1982 | 166.00 | 1 |
| Sep 1982 | 166.00 | 1 |
| Aug 1982 | 161.00 | 1 |
| Jul 1982 | 327.00 | 1 |
| Jun 1982 | 166.00 | 1 |
| May 1982 | 162.00 | 1 |
| Apr 1982 | 165.00 | 1 |
| Mar 1982 | 329.00 | 1 |
| Feb 1982 | 162.00 | 1 |
| Jan 1982 | 334.00 | 1 |
| Dec 1981 | 168.00 | 1 |
| Nov 1981 | 334.00 | 1 |
| Oct 1981 | 168.00 | 1 |
| Sep 1981 | 326.00 | 1 |
| Aug 1981 | 324.00 | 1 |
| Jul 1981 | 324.00 | 1 |
| Jun 1981 | 321.00 | 1 |
| May 1981 | 332.00 | 1 |
| Apr 1981 | 492.00 | 1 |
| Mar 1981 | 333.00 | 1 |
| Feb 1981 | 329.00 | 1 |
| Jan 1981 | 326.00 | 1 |
| Dec 1980 | 492.00 | 1 |
| Nov 1980 | 323.00 | 1 |
| Oct 1980 | 499.00 | 1 |
| Sep 1980 | 495.00 | 1 |
| Aug 1980 | 138.00 | 1 |
| Jul 1980 | 482.00 | 1 |
| Jun 1980 | 649.00 | 1 |
| May 1980 | 473.00 | 1 |
| Apr 1980 | 668.00 | 1 |
| Mar 1980 | 501.00 | 1 |
| Feb 1980 | 668.00 | 1 |
| Jan 1980 | 830.00 | 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'Brien | 1 | American Warrior, Inc. | Plugged and Abandoned |
Location
38.332876, -99.711175 · CNWNW Sec 12 T20S R22W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001121439. The state’s own record.