HEFFERMAN
Lease 1001125904 · Russell County, Kansas · N2NWNE Sec 4 T15S R13W · DOR 112677
Oil1979–20264 wells
Operator
Bennett & Schulte Oil Co., A General Partnership
Cumulative (state figure)
112,885.16 bbl
First production
1979
Last production
2026
Location (PLSS)
N2NWNE Sec 4 T15S R13W
Monthly oil production
407 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
112,406.20 bbl
Months filed
407
Most wells in a month
4
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 112,885.16 bbl.
| Month | Oil (bbl) | Wells |
|---|---|---|
| Mar 2026 | 162.96 | 3 |
| Dec 2025 | 156.06 | 3 |
| Oct 2025 | 32.50 | 3 |
| Sep 2025 | 158.80 | 3 |
| Jul 2025 | 154.71 | 3 |
| May 2025 | 158.40 | 3 |
| Mar 2025 | 157.86 | 3 |
| Dec 2024 | 163.68 | 3 |
| Oct 2024 | 159.99 | 3 |
| Jul 2024 | 157.10 | 3 |
| May 2024 | 164.22 | 3 |
| Mar 2024 | 155.16 | 3 |
| Jan 2024 | 169.51 | 3 |
| Oct 2023 | 159.83 | 3 |
| Aug 2023 | 155.15 | 3 |
| Jun 2023 | 163.91 | 3 |
| Apr 2023 | 162.78 | 3 |
| Jan 2023 | 167.44 | 3 |
| Nov 2022 | 161.44 | 3 |
| Sep 2022 | 163.34 | 3 |
| Jun 2022 | 157.12 | 3 |
| Apr 2022 | 165.11 | 3 |
| Feb 2022 | 163.49 | 3 |
| Nov 2021 | 162.39 | 3 |
| Sep 2021 | 161.36 | 3 |
| Jun 2021 | 162.08 | 3 |
| Apr 2021 | 165.72 | 3 |
| Mar 2021 | 15.26 | 3 |
| Feb 2021 | 166.48 | 3 |
| Nov 2020 | 165.94 | 3 |
| Sep 2020 | 159.36 | 3 |
| Jul 2020 | 161.66 | 3 |
| Jun 2020 | 164.99 | 3 |
| Mar 2020 | 164.35 | 3 |
| Jan 2020 | 164.48 | 3 |
| Nov 2019 | 162.23 | 3 |
| Sep 2019 | 160.10 | 3 |
| Jul 2019 | 160.37 | 3 |
| May 2019 | 162.24 | 3 |
| Mar 2019 | 156.59 | 3 |
| Feb 2019 | 166.90 | 3 |
| Sep 2018 | 163.32 | 3 |
| Jun 2018 | 153.35 | 3 |
| May 2018 | 157.09 | 3 |
| Feb 2018 | 159.55 | 3 |
| Dec 2017 | 165.90 | 3 |
| Oct 2017 | 165.25 | 3 |
| Aug 2017 | 154.36 | 3 |
| Jun 2017 | 165.56 | 3 |
| Apr 2017 | 156.70 | 3 |
| Feb 2017 | 153.88 | 3 |
| Dec 2016 | 157.04 | 3 |
| Oct 2016 | 163.79 | 3 |
| Aug 2016 | 161.08 | 3 |
| Jun 2016 | 154.47 | 3 |
| Apr 2016 | 158.80 | 3 |
| Feb 2016 | 162.99 | 3 |
| Dec 2015 | 157.32 | 3 |
| Nov 2015 | 159.88 | 3 |
| Sep 2015 | 161.49 | 3 |
| Jul 2015 | 157.57 | 3 |
| May 2015 | 162.14 | 3 |
| Mar 2015 | 162.24 | 3 |
| Jan 2015 | 163.00 | 3 |
| Oct 2014 | 164.04 | 3 |
| Aug 2014 | 161.71 | 3 |
| Jun 2014 | 160.16 | 3 |
| Apr 2014 | 164.34 | 3 |
| Feb 2014 | 162.84 | 3 |
| Dec 2013 | 165.17 | 3 |
| Oct 2013 | 165.08 | 3 |
| Aug 2013 | 159.24 | 3 |
| Jun 2013 | 158.67 | 3 |
| Apr 2013 | 157.48 | 3 |
| Feb 2013 | 158.65 | 3 |
| Dec 2012 | 164.39 | 3 |
| Sep 2012 | 156.48 | 3 |
| Aug 2012 | 159.91 | 3 |
| May 2012 | 159.16 | 3 |
| Apr 2012 | 156.90 | 3 |
| Feb 2012 | 166.55 | 3 |
| Dec 2011 | 163.70 | 3 |
| Oct 2011 | 157.56 | 3 |
| Aug 2011 | 161.10 | 3 |
| Jun 2011 | 156.73 | 3 |
| Apr 2011 | 157.74 | 3 |
| Mar 2011 | 162.28 | 3 |
| Jan 2011 | 165.52 | 3 |
| Nov 2010 | 166.22 | 3 |
| Oct 2010 | 162.95 | 3 |
| Aug 2010 | 162.30 | 3 |
| Jun 2010 | 160.14 | 3 |
| Apr 2010 | 163.33 | 3 |
| Mar 2010 | 165.10 | 3 |
| Jan 2010 | 168.90 | 3 |
| Nov 2009 | 165.53 | 3 |
| Sep 2009 | 162.02 | 3 |
| Aug 2009 | 161.97 | 3 |
| Jun 2009 | 156.81 | 3 |
| Apr 2009 | 159.93 | 3 |
| Mar 2009 | 165.54 | 3 |
| Jan 2009 | 159.88 | 3 |
| Dec 2008 | 160.13 | 3 |
| Oct 2008 | 163.52 | 3 |
| Sep 2008 | 157.73 | 3 |
| Jul 2008 | 155.44 | 3 |
| May 2008 | 161.56 | 3 |
| Apr 2008 | 159.37 | 3 |
| Feb 2008 | 158.01 | 3 |
| Jan 2008 | 160.42 | 3 |
| Nov 2007 | 160.29 | 3 |
| Oct 2007 | 164.26 | 3 |
| Aug 2007 | 163.10 | 3 |
| Jun 2007 | 160.36 | 3 |
| May 2007 | 163.14 | 3 |
| Mar 2007 | 164.26 | 3 |
| Feb 2007 | 162.10 | 3 |
| Dec 2006 | 164.81 | 3 |
| Nov 2006 | 165.89 | 3 |
| Sep 2006 | 161.58 | 3 |
| Jul 2006 | 161.69 | 3 |
| Jun 2006 | 162.98 | 3 |
| May 2006 | 160.60 | 3 |
| Mar 2006 | 164.08 | 3 |
| Feb 2006 | 163.04 | 3 |
| Dec 2005 | 165.54 | 3 |
| Nov 2005 | 164.88 | 3 |
| Sep 2005 | 161.61 | 3 |
| Aug 2005 | 164.51 | 3 |
| Jul 2005 | 162.23 | 3 |
| May 2005 | 167.27 | 3 |
| Mar 2005 | 164.39 | 3 |
| Feb 2005 | 166.41 | 3 |
| Jan 2005 | 161.89 | 3 |
| Nov 2004 | 166.76 | 3 |
| Oct 2004 | 164.33 | 3 |
| Aug 2004 | 165.29 | 3 |
| Jul 2004 | 160.41 | 3 |
| May 2004 | 159.34 | 4 |
| Apr 2004 | 164.00 | 4 |
| Mar 2004 | 167.15 | 4 |
| Jan 2004 | 164.51 | 4 |
| Dec 2003 | 167.97 | 4 |
| Nov 2003 | 162.59 | 4 |
| Sep 2003 | 161.99 | 4 |
| Jul 2003 | 163.35 | 4 |
| Jun 2003 | 164.33 | 4 |
| Apr 2003 | 164.09 | 4 |
| Feb 2003 | 164.11 | 4 |
| Jan 2003 | 164.35 | 4 |
| Dec 2002 | 162.04 | 4 |
| Oct 2002 | 166.39 | 4 |
| Sep 2002 | 159.94 | 4 |
| Jul 2002 | 164.72 | 4 |
| Jun 2002 | 163.74 | 4 |
| May 2002 | 163.26 | 4 |
| Mar 2002 | 165.29 | 4 |
| Feb 2002 | 163.91 | 4 |
| Jan 2002 | 163.62 | 4 |
| Dec 2001 | 166.99 | 4 |
| Oct 2001 | 164.50 | 4 |
| Sep 2001 | 161.42 | 4 |
| Jul 2001 | 158.42 | 4 |
| Jun 2001 | 164.45 | 4 |
| May 2001 | 164.01 | 4 |
| Mar 2001 | 164.32 | 4 |
| Feb 2001 | 166.34 | 4 |
| Jan 2001 | 166.47 | 4 |
| Nov 2000 | 165.34 | 4 |
| Oct 2000 | 163.18 | 4 |
| Sep 2000 | 162.96 | 4 |
| Jul 2000 | 159.45 | 4 |
| Jun 2000 | 160.60 | 4 |
| May 2000 | 164.89 | 4 |
| Apr 2000 | 164.49 | 4 |
| Feb 2000 | 168.18 | 4 |
| Jan 2000 | 166.69 | 4 |
| Dec 1999 | 167.35 | 4 |
| Nov 1999 | 166.74 | 4 |
| Sep 1999 | 163.29 | 4 |
| Aug 1999 | 162.51 | 4 |
| Jul 1999 | 168.58 | 4 |
| Jun 1999 | 168.52 | 4 |
| Apr 1999 | 170.14 | 4 |
| Mar 1999 | 172.18 | 4 |
| Feb 1999 | 166.11 | 4 |
| Dec 1998 | 169.09 | 4 |
| Nov 1998 | 169.96 | 4 |
| Oct 1998 | 168.73 | 4 |
| Aug 1998 | 169.36 | 4 |
| Jul 1998 | 167.13 | 4 |
| Jun 1998 | 169.41 | 4 |
| May 1998 | 168.91 | 4 |
| Apr 1998 | 168.96 | 4 |
| Feb 1998 | 167.38 | 4 |
| Jan 1998 | 169.76 | 4 |
| Dec 1997 | 171.28 | 4 |
| Nov 1997 | 171.87 | 4 |
| Oct 1997 | 168.60 | 4 |
| Sep 1997 | 166.12 | 4 |
| Jul 1997 | 161.71 | 4 |
| Jun 1997 | 162.99 | 4 |
| May 1997 | 168.50 | 4 |
| Apr 1997 | 168.65 | 4 |
| Mar 1997 | 169.06 | 4 |
| Feb 1997 | 170.35 | 4 |
| Jan 1997 | 169.87 | 4 |
| Dec 1996 | 171.25 | 4 |
| Nov 1996 | 168.43 | 4 |
| Oct 1996 | 167.71 | 4 |
| Sep 1996 | 167.17 | 4 |
| Aug 1996 | 169.03 | 4 |
| Jul 1996 | 164.50 | 4 |
| Jun 1996 | 167.10 | 4 |
| May 1996 | 166.00 | 4 |
| Apr 1996 | 169.10 | 4 |
| Mar 1996 | 170.47 | 4 |
| Feb 1996 | 170.33 | 4 |
| Jan 1996 | 167.84 | 4 |
| Dec 1995 | 169.00 | 3 |
| Nov 1995 | 171.00 | 3 |
| Oct 1995 | 170.00 | 3 |
| Sep 1995 | 167.00 | 3 |
| Aug 1995 | 168.00 | 3 |
| Jul 1995 | 165.00 | 3 |
| Jun 1995 | 167.00 | 3 |
| May 1995 | 168.00 | 3 |
| Apr 1995 | 336.00 | 3 |
| Mar 1995 | 172.00 | 3 |
| Feb 1995 | 170.00 | 3 |
| Jan 1995 | 170.00 | 3 |
| Dec 1994 | 169.00 | 3 |
| Nov 1994 | 169.00 | 3 |
| Oct 1994 | 338.00 | 3 |
| Sep 1994 | 169.00 | 3 |
| Aug 1994 | 167.00 | 3 |
| Jul 1994 | 168.00 | 3 |
| Jun 1994 | 335.00 | 3 |
| May 1994 | 166.00 | 3 |
| Apr 1994 | 170.00 | 3 |
| Mar 1994 | 341.00 | 3 |
| Feb 1994 | 172.00 | 3 |
| Jan 1994 | 172.00 | 3 |
| Dec 1993 | 340.00 | 3 |
| Nov 1993 | 169.00 | 3 |
| Oct 1993 | 338.00 | 3 |
| Sep 1993 | 169.00 | 3 |
| Aug 1993 | 334.00 | 3 |
| Jul 1993 | 167.00 | 3 |
| Jun 1993 | 168.00 | 3 |
| May 1993 | 332.00 | 3 |
| Apr 1993 | 341.00 | 3 |
| Mar 1993 | 338.00 | 3 |
| Feb 1993 | 170.00 | 3 |
| Jan 1993 | 342.00 | 3 |
| Dec 1992 | 170.00 | 3 |
| Nov 1992 | 340.00 | 3 |
| Oct 1992 | 336.00 | 3 |
| Sep 1992 | 337.00 | 3 |
| Aug 1992 | 337.00 | 3 |
| Jul 1992 | 337.00 | 3 |
| Jun 1992 | 328.00 | 3 |
| May 1992 | 335.00 | 3 |
| Apr 1992 | 337.00 | 3 |
| Mar 1992 | 340.00 | 3 |
| Feb 1992 | 169.00 | 3 |
| Jan 1992 | 509.00 | 3 |
| Dec 1991 | 335.00 | 3 |
| Nov 1991 | 336.00 | 3 |
| Oct 1991 | 505.00 | 3 |
| Sep 1991 | 336.00 | 3 |
| Aug 1991 | 333.00 | 3 |
| Jul 1991 | 326.00 | 3 |
| Jun 1991 | 335.00 | 3 |
| May 1991 | 335.00 | 3 |
| Apr 1991 | 334.00 | 3 |
| Mar 1991 | 342.00 | 3 |
| Feb 1991 | 345.00 | 3 |
| Jan 1991 | 344.00 | 3 |
| Dec 1990 | 345.00 | 3 |
| Nov 1990 | 342.00 | 3 |
| Oct 1990 | 342.00 | 3 |
| Sep 1990 | 336.00 | 3 |
| Aug 1990 | 500.00 | 3 |
| Jul 1990 | 325.00 | 3 |
| Jun 1990 | 335.00 | 3 |
| May 1990 | 505.00 | 3 |
| Apr 1990 | 342.00 | 3 |
| Mar 1990 | 513.00 | 3 |
| Feb 1990 | 342.00 | 3 |
| Jan 1990 | 333.00 | 3 |
| Dec 1989 | 517.00 | 3 |
| Nov 1989 | 341.00 | 3 |
| Oct 1989 | 513.00 | 3 |
| Sep 1989 | 515.00 | 3 |
| Aug 1989 | 341.00 | 3 |
| Jul 1989 | 504.00 | 3 |
| Jun 1989 | 511.00 | 3 |
| May 1989 | 508.00 | 3 |
| Apr 1989 | 514.00 | 3 |
| Mar 1989 | 514.00 | 3 |
| Feb 1989 | 343.00 | 3 |
| Jan 1989 | 686.00 | 3 |
| Dec 1988 | 516.00 | 3 |
| Nov 1988 | 513.00 | 3 |
| Oct 1988 | 513.00 | 3 |
| Sep 1988 | 674.00 | 3 |
| Aug 1988 | 508.00 | 3 |
| Jul 1988 | 680.00 | 3 |
| Jun 1988 | 675.00 | 3 |
| May 1988 | 512.00 | 3 |
| Apr 1988 | 689.00 | 3 |
| Mar 1988 | 687.00 | 3 |
| Feb 1988 | 682.00 | 3 |
| Jan 1988 | 681.00 | 3 |
| Dec 1987 | 863.00 | 3 |
| Nov 1987 | 860.00 | 3 |
| Oct 1987 | 691.00 | 3 |
| Sep 1987 | 1,012.00 | 3 |
| Aug 1987 | 853.00 | 3 |
| Jul 1987 | 1,013.00 | 3 |
| Jun 1987 | 1,017.00 | 3 |
| May 1987 | 849.00 | 3 |
| Apr 1987 | 849.00 | 3 |
| Mar 1987 | 1,199.00 | 3 |
| Feb 1987 | 850.00 | 3 |
| Jan 1987 | 1,021.00 | 3 |
| Dec 1986 | 1,563.00 | 3 |
| Nov 1986 | 175.00 | 3 |
| Oct 1986 | 1,193.00 | 3 |
| Sep 1986 | 1,198.00 | 3 |
| Aug 1986 | 1,178.00 | 3 |
| Jul 1986 | 1,067.00 | 3 |
| Jun 1986 | 950.00 | 3 |
| May 1986 | 1,155.00 | 3 |
| Apr 1986 | 1,004.00 | 3 |
| Mar 1986 | 1,325.00 | 3 |
| Feb 1986 | 808.00 | 3 |
| Jan 1986 | 1,042.00 | 3 |
| Dec 1985 | 1,319.00 | 3 |
| Nov 1985 | 989.00 | 3 |
| Oct 1985 | 1,527.00 | 3 |
| Sep 1985 | 1,241.00 | 3 |
| Aug 1985 | 1,376.00 | 3 |
| Jul 1985 | 903.00 | 3 |
| Jun 1985 | 81.00 | 3 |
| May 1985 | 165.00 | 3 |
| Apr 1985 | 166.00 | 3 |
| Mar 1985 | 166.00 | 3 |
| Feb 1985 | 168.00 | 3 |
| Jan 1985 | 167.00 | 3 |
| Dec 1984 | 165.00 | 2 |
| Nov 1984 | 167.00 | 2 |
| Oct 1984 | 163.00 | 2 |
| Sep 1984 | 143.00 | 2 |
| Aug 1984 | 163.00 | 2 |
| Jul 1984 | 164.00 | 2 |
| Jun 1984 | 163.00 | 2 |
| May 1984 | 164.00 | 2 |
| Apr 1984 | 167.00 | 2 |
| Mar 1984 | 166.00 | 2 |
| Feb 1984 | 166.00 | 2 |
| Jan 1984 | 167.00 | 2 |
| Dec 1983 | 166.00 | 2 |
| Nov 1983 | 166.00 | 2 |
| Oct 1983 | 165.00 | 2 |
| Sep 1983 | 164.00 | 2 |
| Aug 1983 | 164.00 | 2 |
| Jul 1983 | 326.00 | 2 |
| Jun 1983 | 166.00 | 2 |
| May 1983 | 165.00 | 2 |
| Apr 1983 | 166.00 | 2 |
| Mar 1983 | 332.00 | 2 |
| Feb 1983 | 168.00 | 2 |
| Jan 1983 | 334.00 | 2 |
| Dec 1982 | 166.00 | 2 |
| Nov 1982 | 331.00 | 2 |
| Oct 1982 | 164.00 | 2 |
| Sep 1982 | 328.00 | 2 |
| Aug 1982 | 164.00 | 2 |
| Jul 1982 | 163.00 | 2 |
| Jun 1982 | 165.00 | 2 |
| May 1982 | 164.00 | 2 |
| Apr 1982 | 164.00 | 2 |
| Mar 1982 | 330.00 | 2 |
| Feb 1982 | 167.00 | 2 |
| Jan 1982 | 168.00 | 2 |
| Dec 1981 | 166.00 | 2 |
| Nov 1981 | 330.00 | 2 |
| Oct 1981 | 164.00 | 2 |
| Sep 1981 | 164.00 | 2 |
| Aug 1981 | 164.00 | 2 |
| Jul 1981 | 328.00 | 2 |
| Jun 1981 | 165.00 | 2 |
| May 1981 | 166.00 | 2 |
| Apr 1981 | 328.00 | 2 |
| Mar 1981 | 330.00 | 2 |
| Jan 1981 | 166.00 | 2 |
| Dec 1980 | 330.00 | 2 |
| Nov 1980 | 330.00 | 2 |
| Oct 1980 | 165.00 | 2 |
| Sep 1980 | 162.00 | 2 |
| Jul 1980 | 163.00 | 2 |
| May 1980 | 164.00 | 2 |
| Mar 1980 | 317.00 | 2 |
| Feb 1980 | 168.00 | 2 |
| Jan 1980 | 19.00 | 2 |
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
4 wells the state's well register assigns to this lease. Every one has a page.
| Well | No. | Operator | Status |
|---|---|---|---|
| C. HEFFERMAN | 1 | unavailable | Plugged and Abandoned |
| HEFFERNAN | 1 | Bennett & Schulte Oil Co., A General Partnership | Producing |
| HEFFERNAN | 2 | Bennett & Schulte Oil Co., A General Partnership | Producing |
| HEFFERNAN | 3 | Bennett & Schulte Oil Co., A General Partnership | Producing |
Location
38.782997, -98.768775 · N2NWNE Sec 4 T15S R13W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001125904. The state’s own record.