MCMILLAN
Lease 1001116264 · Stafford County, Kansas · SWSENE Sec 25 T21S R12W · DOR 107419
Oil1973–20263 wells
Operator
Mai Oil Operations, Inc.
Cumulative (state figure)
73,683.31 bbl
First production
1973
Last production
2026
Location (PLSS)
SWSENE Sec 25 T21S R12W
Monthly oil production
331 months filed with the Kansas Geological Survey, Jan 1980 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
61,838.30 bbl
Months filed
331
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 73,683.31 bbl.
| Month | Oil (bbl) | Wells |
|---|---|---|
| Mar 2026 | 154.95 | 1 |
| Dec 2025 | 156.48 | 1 |
| Oct 2025 | 159.11 | 1 |
| Sep 2025 | 164.12 | 1 |
| May 2025 | 154.14 | 1 |
| Feb 2025 | 152.85 | 1 |
| Jul 2024 | 153.32 | 1 |
| May 2024 | 153.94 | 1 |
| Feb 2024 | 157.34 | 1 |
| Nov 2023 | 159.94 | 1 |
| Aug 2023 | 154.80 | 1 |
| Jun 2023 | 154.79 | 1 |
| Apr 2023 | 151.08 | 1 |
| Jan 2023 | 158.17 | 1 |
| Oct 2022 | 151.51 | 1 |
| Aug 2022 | 158.94 | 1 |
| May 2022 | 152.34 | 1 |
| Apr 2022 | 156.35 | 1 |
| Feb 2022 | 153.81 | 1 |
| Nov 2021 | 162.91 | 1 |
| Sep 2021 | 154.34 | 1 |
| Aug 2021 | 152.48 | 1 |
| Jun 2021 | 153.07 | 1 |
| Apr 2021 | 148.73 | 1 |
| Feb 2021 | 168.70 | 1 |
| Dec 2020 | 161.02 | 1 |
| Oct 2020 | 155.94 | 1 |
| Aug 2020 | 166.92 | 1 |
| May 2020 | 149.13 | 1 |
| Mar 2020 | 164.98 | 1 |
| Jan 2020 | 160.86 | 1 |
| Oct 2019 | 158.18 | 1 |
| Jun 2019 | 171.83 | 1 |
| Apr 2019 | 164.11 | 1 |
| Jan 2019 | 162.36 | 1 |
| Nov 2018 | 160.95 | 1 |
| Aug 2018 | 157.70 | 1 |
| May 2018 | 157.41 | 1 |
| Mar 2018 | 162.63 | 1 |
| Nov 2017 | 158.06 | 1 |
| Aug 2017 | 157.56 | 1 |
| Jun 2017 | 157.56 | 1 |
| Mar 2017 | 154.73 | 1 |
| Dec 2016 | 153.48 | 1 |
| Sep 2016 | 155.93 | 1 |
| Jun 2016 | 114.46 | 1 |
| Feb 2015 | 160.87 | 1 |
| Nov 2014 | 165.48 | 1 |
| Sep 2014 | 161.62 | 1 |
| Jun 2014 | 161.06 | 1 |
| Mar 2014 | 156.94 | 1 |
| Dec 2013 | 157.35 | 1 |
| Sep 2013 | 158.29 | 1 |
| Jun 2013 | 165.75 | 1 |
| Apr 2013 | 160.11 | 1 |
| Jan 2013 | 164.11 | 1 |
| Nov 2012 | 157.98 | 1 |
| Aug 2012 | 158.94 | 1 |
| May 2012 | 155.52 | 1 |
| Mar 2012 | 161.93 | 1 |
| Jan 2012 | 159.69 | 1 |
| Oct 2011 | 143.39 | 1 |
| Sep 2011 | 5.26 | 1 |
| Jul 2011 | 158.09 | 1 |
| May 2011 | 163.60 | 1 |
| Mar 2011 | 159.12 | 1 |
| Dec 2010 | 160.80 | 1 |
| Sep 2010 | 162.32 | 1 |
| Jun 2010 | 159.88 | 1 |
| Apr 2010 | 152.40 | 1 |
| Feb 2010 | 162.30 | 1 |
| Nov 2009 | 182.83 | 1 |
| Aug 2009 | 162.40 | 1 |
| May 2009 | 287.71 | 1 |
| Apr 2009 | 3.24 | 1 |
| Jan 2009 | 145.48 | 1 |
| Oct 2008 | 162.67 | 1 |
| Aug 2008 | 158.52 | 1 |
| May 2008 | 156.60 | 1 |
| Apr 2008 | 12.86 | 1 |
| Feb 2008 | 173.22 | 1 |
| Oct 2007 | 166.52 | 1 |
| Aug 2007 | 159.46 | 1 |
| Jun 2007 | 175.07 | 1 |
| Mar 2007 | 164.87 | 1 |
| Jan 2007 | 166.56 | 1 |
| Nov 2006 | 157.72 | 1 |
| Sep 2006 | 166.78 | 1 |
| Jun 2006 | 154.01 | 1 |
| Mar 2006 | 182.24 | 1 |
| Jan 2006 | 163.12 | 1 |
| Nov 2005 | 153.87 | 1 |
| Sep 2005 | 157.18 | 1 |
| Jun 2005 | 159.05 | 1 |
| Apr 2005 | 160.25 | 1 |
| Feb 2005 | 168.82 | 1 |
| Dec 2004 | 165.66 | 1 |
| Oct 2004 | 158.19 | 1 |
| Aug 2004 | 163.45 | 1 |
| Jun 2004 | 162.15 | 1 |
| Apr 2004 | 159.10 | 1 |
| Jan 2004 | 166.79 | 1 |
| Oct 2003 | 162.83 | 1 |
| Aug 2003 | 158.91 | 1 |
| Jun 2003 | 155.74 | 1 |
| Mar 2003 | 167.97 | 1 |
| Jan 2003 | 164.95 | 1 |
| Nov 2002 | 161.63 | 1 |
| Sep 2002 | 159.70 | 1 |
| Jun 2002 | 157.43 | 1 |
| Apr 2002 | 158.16 | 1 |
| Feb 2002 | 160.06 | 1 |
| Dec 2001 | 157.72 | 1 |
| Oct 2001 | 157.34 | 1 |
| Aug 2001 | 164.23 | 1 |
| Jun 2001 | 159.05 | 1 |
| Apr 2001 | 160.00 | 1 |
| Feb 2001 | 162.88 | 1 |
| Dec 2000 | 161.02 | 1 |
| Oct 2000 | 157.87 | 1 |
| Aug 2000 | 159.65 | 1 |
| Jul 2000 | 156.66 | 1 |
| May 2000 | 163.69 | 1 |
| Apr 2000 | 161.45 | 1 |
| Feb 2000 | 160.99 | 1 |
| Jan 2000 | 159.98 | 1 |
| Nov 1999 | 157.62 | 1 |
| Sep 1999 | 163.79 | 1 |
| Jul 1999 | 156.68 | 1 |
| Feb 1999 | 163.18 | 1 |
| Jan 1999 | 159.86 | 1 |
| Nov 1998 | 159.25 | 1 |
| Sep 1998 | 159.11 | 1 |
| Aug 1998 | 168.58 | 1 |
| Jun 1998 | 154.16 | 1 |
| Apr 1998 | 161.26 | 1 |
| Mar 1998 | 159.95 | 1 |
| Jan 1998 | 157.12 | 1 |
| Dec 1997 | 160.35 | 1 |
| Oct 1997 | 159.14 | 1 |
| Sep 1997 | 165.52 | 1 |
| Jul 1997 | 160.48 | 1 |
| May 1997 | 162.86 | 1 |
| Apr 1997 | 164.90 | 1 |
| Feb 1997 | 161.55 | 1 |
| Dec 1996 | 161.67 | 1 |
| Nov 1996 | 162.67 | 1 |
| Sep 1996 | 166.78 | 1 |
| Aug 1996 | 162.17 | 1 |
| Jul 1996 | 164.62 | 1 |
| May 1996 | 163.32 | 1 |
| Mar 1996 | 164.17 | 1 |
| Feb 1996 | 164.44 | 1 |
| Dec 1995 | 164.00 | 1 |
| Nov 1995 | 166.00 | 1 |
| Sep 1995 | 166.00 | 1 |
| Aug 1995 | 158.00 | 1 |
| Jul 1995 | 163.00 | 1 |
| May 1995 | 164.00 | 1 |
| Mar 1995 | 169.00 | 1 |
| Feb 1995 | 164.00 | 1 |
| Dec 1994 | 175.00 | 1 |
| Oct 1994 | 172.00 | 1 |
| Sep 1994 | 170.00 | 1 |
| Aug 1994 | 160.00 | 1 |
| Jun 1994 | 165.00 | 1 |
| May 1994 | 162.00 | 1 |
| Apr 1994 | 165.00 | 1 |
| Mar 1994 | 165.00 | 1 |
| Jan 1994 | 161.00 | 1 |
| Dec 1993 | 161.00 | 1 |
| Nov 1993 | 198.00 | 1 |
| Oct 1993 | 161.00 | 1 |
| Sep 1993 | 161.00 | 1 |
| Aug 1993 | 160.00 | 1 |
| Jul 1993 | 171.00 | 1 |
| Jun 1993 | 159.00 | 1 |
| May 1993 | 161.00 | 1 |
| Apr 1993 | 165.00 | 1 |
| Mar 1993 | 162.00 | 1 |
| Jan 1993 | 165.00 | 1 |
| Dec 1992 | 164.00 | 1 |
| Nov 1992 | 168.00 | 1 |
| Oct 1992 | 160.00 | 1 |
| Sep 1992 | 167.00 | 1 |
| Aug 1992 | 159.00 | 1 |
| Jul 1992 | 162.00 | 1 |
| Jun 1992 | 160.00 | 1 |
| May 1992 | 160.00 | 1 |
| Apr 1992 | 162.00 | 1 |
| Feb 1992 | 169.00 | 1 |
| Jan 1992 | 163.00 | 1 |
| Dec 1991 | 163.00 | 1 |
| Nov 1991 | 167.00 | 1 |
| Oct 1991 | 161.00 | 1 |
| Sep 1991 | 163.00 | 1 |
| Aug 1991 | 182.00 | 1 |
| Jul 1991 | 183.00 | 1 |
| Jun 1991 | 161.00 | 1 |
| May 1991 | 183.00 | 1 |
| Apr 1991 | 161.00 | 1 |
| Mar 1991 | 185.00 | 1 |
| Feb 1991 | 186.00 | 1 |
| Jan 1991 | 201.00 | 1 |
| Dec 1990 | 186.00 | 1 |
| Nov 1990 | 184.00 | 1 |
| Oct 1990 | 164.00 | 1 |
| Sep 1990 | 184.00 | 1 |
| Aug 1990 | 329.00 | 1 |
| Jul 1990 | 160.00 | 1 |
| Jun 1990 | 169.00 | 1 |
| Apr 1990 | 164.00 | 1 |
| Mar 1990 | 167.00 | 1 |
| Feb 1990 | 163.00 | 1 |
| Jan 1990 | 172.00 | 1 |
| Dec 1989 | 164.00 | 1 |
| Nov 1989 | 169.00 | 1 |
| Oct 1989 | 200.00 | 1 |
| Sep 1989 | 161.00 | 1 |
| Aug 1989 | 163.00 | 1 |
| Jul 1989 | 197.00 | 1 |
| May 1989 | 198.00 | 1 |
| Apr 1989 | 194.00 | 1 |
| Mar 1989 | 199.00 | 1 |
| Feb 1989 | 201.00 | 1 |
| Jan 1989 | 200.00 | 1 |
| Dec 1988 | 202.00 | 1 |
| Nov 1988 | 201.00 | 1 |
| Oct 1988 | 198.00 | 1 |
| Sep 1988 | 198.00 | 1 |
| Aug 1988 | 185.00 | 1 |
| Jul 1988 | 197.00 | 1 |
| Jun 1988 | 196.00 | 1 |
| May 1988 | 192.00 | 1 |
| Apr 1988 | 199.00 | 1 |
| Mar 1988 | 200.00 | 1 |
| Jan 1988 | 196.00 | 1 |
| Dec 1987 | 202.00 | 1 |
| Nov 1987 | 201.00 | 1 |
| Oct 1987 | 199.00 | 1 |
| Sep 1987 | 199.00 | 1 |
| Aug 1987 | 198.00 | 1 |
| Jul 1987 | 196.00 | 1 |
| Jun 1987 | 196.00 | 1 |
| May 1987 | 197.00 | 1 |
| Apr 1987 | 198.00 | 1 |
| Mar 1987 | 202.00 | 1 |
| Feb 1987 | 201.00 | 1 |
| Jan 1987 | 202.00 | 1 |
| Dec 1986 | 201.00 | 1 |
| Nov 1986 | 202.00 | 1 |
| Oct 1986 | 199.00 | 1 |
| Sep 1986 | 198.00 | 1 |
| Aug 1986 | 198.00 | 1 |
| Jul 1986 | 198.00 | 1 |
| Jun 1986 | 197.00 | 1 |
| May 1986 | 200.00 | 1 |
| Apr 1986 | 197.00 | 1 |
| Mar 1986 | 199.00 | 1 |
| Feb 1986 | 200.00 | 1 |
| Jan 1986 | 402.00 | 1 |
| Dec 1985 | 201.00 | 1 |
| Oct 1985 | 402.00 | 1 |
| Sep 1985 | 198.00 | 1 |
| Aug 1985 | 199.00 | 1 |
| Jul 1985 | 196.00 | 1 |
| Jun 1985 | 197.00 | 1 |
| May 1985 | 200.00 | 1 |
| Apr 1985 | 201.00 | 1 |
| Mar 1985 | 400.00 | 1 |
| Feb 1985 | 203.00 | 1 |
| Jan 1985 | 202.00 | 1 |
| Dec 1984 | 202.00 | 1 |
| Nov 1984 | 200.00 | 1 |
| Oct 1984 | 402.00 | 1 |
| Sep 1984 | 198.00 | 1 |
| Aug 1984 | 197.00 | 1 |
| Jul 1984 | 184.00 | 1 |
| Jun 1984 | 197.00 | 1 |
| May 1984 | 400.00 | 1 |
| Apr 1984 | 201.00 | 1 |
| Mar 1984 | 200.00 | 1 |
| Feb 1984 | 401.00 | 1 |
| Jan 1984 | 204.00 | 1 |
| Nov 1983 | 202.00 | 1 |
| Oct 1983 | 199.00 | 1 |
| Sep 1983 | 395.00 | 1 |
| Aug 1983 | 195.00 | 1 |
| Jul 1983 | 197.00 | 1 |
| Jun 1983 | 394.00 | 1 |
| May 1983 | 199.00 | 1 |
| Apr 1983 | 200.00 | 1 |
| Mar 1983 | 363.00 | 1 |
| Feb 1983 | 201.00 | 1 |
| Jan 1983 | 201.00 | 1 |
| Dec 1982 | 201.00 | 1 |
| Nov 1982 | 401.00 | 1 |
| Oct 1982 | 399.00 | 1 |
| Sep 1982 | 198.00 | 1 |
| Aug 1982 | 193.00 | 1 |
| Jul 1982 | 379.00 | 1 |
| Jun 1982 | 197.00 | 1 |
| May 1982 | 199.00 | 1 |
| Apr 1982 | 342.00 | 1 |
| Mar 1982 | 363.00 | 1 |
| Feb 1982 | 202.00 | 1 |
| Jan 1982 | 191.00 | 1 |
| Dec 1981 | 329.00 | 1 |
| Nov 1981 | 168.00 | 1 |
| Oct 1981 | 326.00 | 1 |
| Sep 1981 | 362.00 | 1 |
| Aug 1981 | 161.00 | 1 |
| Jul 1981 | 165.00 | 1 |
| Jun 1981 | 193.00 | 1 |
| May 1981 | 195.00 | 1 |
| Apr 1981 | 323.00 | 1 |
| Mar 1981 | 165.00 | 1 |
| Feb 1981 | 399.00 | 1 |
| Jan 1981 | 202.00 | 1 |
| Dec 1980 | 403.00 | 1 |
| Nov 1980 | 197.00 | 1 |
| Oct 1980 | 200.00 | 1 |
| Sep 1980 | 377.00 | 1 |
| Aug 1980 | 198.00 | 1 |
| Jul 1980 | 393.00 | 1 |
| Jun 1980 | 194.00 | 1 |
| May 1980 | 199.00 | 1 |
| Apr 1980 | 399.00 | 1 |
| Mar 1980 | 203.00 | 1 |
| Feb 1980 | 201.00 | 1 |
| Jan 1980 | 405.00 | 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 |
|---|---|---|---|
| McMillan 'A' | 2 | H & B Petroleum Corp. | Authorized Injection Well |
| McMillan 'A' | 1 | unavailable | Plugged and Abandoned |
| McMillan | 1 | Mai Oil Operations, Inc. | Producing |
Location
38.195925, -98.585620 · SWSENE Sec 25 T21S R12W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001116264. The state’s own record.