HEFFERNAN JOHN
Lease 1001113434 · Russell County, Kansas · N2N2NW Sec 4 T15S R13W · DOR 105375
Oil1945–20263 wells
Operator
Fossil Creek Energy, LLC
Cumulative (state figure)
198,236.47 bbl
First production
1945
Last production
2026
Location (PLSS)
N2N2NW Sec 4 T15S R13W
Monthly oil production
473 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
118,367.50 bbl
Months filed
473
Most wells in a month
3
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 198,236.47 bbl.
| Month | Oil (bbl) | Wells |
|---|---|---|
| Apr 2026 | 167.63 | 3 |
| Mar 2026 | 164.51 | 3 |
| Feb 2026 | 172.36 | 3 |
| Dec 2025 | 166.90 | 3 |
| Nov 2025 | 171.55 | 3 |
| Oct 2025 | 167.24 | 3 |
| Sep 2025 | 162.06 | 3 |
| Aug 2025 | 174.80 | 3 |
| Jun 2025 | 157.88 | 3 |
| May 2025 | 157.62 | 3 |
| Apr 2025 | 197.24 | 3 |
| Mar 2025 | 165.55 | 3 |
| Dec 2024 | 166.49 | 3 |
| Nov 2024 | 171.03 | 3 |
| Sep 2024 | 162.86 | 3 |
| Aug 2024 | 167.40 | 3 |
| Jul 2024 | 164.50 | 3 |
| May 2024 | 153.46 | 3 |
| Apr 2024 | 156.47 | 3 |
| Mar 2024 | 160.63 | 3 |
| Feb 2024 | 190.10 | 3 |
| Dec 2023 | 176.90 | 3 |
| Nov 2023 | 158.62 | 3 |
| Oct 2023 | 165.99 | 3 |
| Aug 2023 | 151.78 | 3 |
| Jul 2023 | 168.58 | 3 |
| Jun 2023 | 164.42 | 3 |
| May 2023 | 166.25 | 3 |
| Apr 2023 | 177.23 | 3 |
| Feb 2023 | 161.42 | 3 |
| Jan 2023 | 184.84 | 3 |
| Dec 2022 | 175.98 | 3 |
| Nov 2022 | 162.88 | 3 |
| Sep 2022 | 164.05 | 3 |
| Aug 2022 | 167.55 | 3 |
| Jul 2022 | 180.95 | 3 |
| Jun 2022 | 171.13 | 3 |
| Apr 2022 | 161.07 | 3 |
| Mar 2022 | 170.70 | 3 |
| Feb 2022 | 172.52 | 3 |
| Jan 2022 | 167.02 | 3 |
| Dec 2021 | 176.23 | 3 |
| Nov 2021 | 171.30 | 3 |
| Oct 2021 | 166.07 | 3 |
| Sep 2021 | 171.43 | 2 |
| Aug 2021 | 165.95 | 2 |
| Jun 2021 | 203.85 | 2 |
| May 2021 | 159.98 | 2 |
| Apr 2021 | 171.71 | 2 |
| Mar 2021 | 168.48 | 2 |
| Feb 2021 | 176.07 | 2 |
| Dec 2020 | 163.90 | 2 |
| Nov 2020 | 175.87 | 2 |
| Oct 2020 | 181.54 | 2 |
| Sep 2020 | 181.03 | 2 |
| Aug 2020 | 177.69 | 2 |
| Jul 2020 | 160.32 | 2 |
| Jun 2020 | 168.18 | 2 |
| May 2020 | 161.12 | 2 |
| Apr 2020 | 161.89 | 2 |
| Mar 2020 | 171.88 | 2 |
| Feb 2020 | 170.21 | 2 |
| Jan 2020 | 172.55 | 2 |
| Dec 2019 | 185.71 | 2 |
| Nov 2019 | 180.42 | 2 |
| Oct 2019 | 177.03 | 3 |
| Aug 2019 | 148.64 | 3 |
| Jul 2019 | 173.87 | 3 |
| Jun 2019 | 171.59 | 3 |
| May 2019 | 176.08 | 3 |
| Apr 2019 | 175.05 | 3 |
| Mar 2019 | 170.09 | 3 |
| Feb 2019 | 169.05 | 3 |
| Jan 2019 | 177.21 | 3 |
| Dec 2018 | 169.14 | 3 |
| Oct 2018 | 171.50 | 3 |
| Sep 2018 | 168.45 | 3 |
| Aug 2018 | 161.48 | 3 |
| Jul 2018 | 165.46 | 3 |
| May 2018 | 166.35 | 3 |
| Apr 2018 | 158.69 | 3 |
| Mar 2018 | 171.25 | 3 |
| Feb 2018 | 165.58 | 3 |
| Jan 2018 | 167.18 | 3 |
| Dec 2017 | 160.93 | 3 |
| Nov 2017 | 163.38 | 3 |
| Sep 2017 | 158.99 | 3 |
| Aug 2017 | 163.24 | 3 |
| Jul 2017 | 162.36 | 3 |
| Jun 2017 | 158.37 | 3 |
| May 2017 | 160.58 | 3 |
| Apr 2017 | 162.32 | 3 |
| Mar 2017 | 162.93 | 3 |
| Feb 2017 | 172.67 | 3 |
| Jan 2017 | 163.03 | 3 |
| Dec 2016 | 160.92 | 3 |
| Nov 2016 | 125.74 | 3 |
| Oct 2016 | 157.85 | 3 |
| Sep 2016 | 163.10 | 3 |
| Aug 2016 | 175.01 | 3 |
| Jul 2016 | 157.71 | 3 |
| Jun 2016 | 164.57 | 3 |
| May 2016 | 169.15 | 3 |
| Apr 2016 | 159.32 | 3 |
| Mar 2016 | 164.34 | 3 |
| Feb 2016 | 179.60 | 3 |
| Jan 2016 | 174.52 | 3 |
| Dec 2015 | 176.33 | 3 |
| Nov 2015 | 172.83 | 3 |
| Oct 2015 | 164.62 | 3 |
| Sep 2015 | 175.32 | 3 |
| Aug 2015 | 162.98 | 3 |
| Jul 2015 | 156.41 | 3 |
| Jun 2015 | 158.84 | 3 |
| May 2015 | 176.72 | 3 |
| Apr 2015 | 176.94 | 3 |
| Mar 2015 | 176.07 | 3 |
| Feb 2015 | 174.91 | 3 |
| Jan 2015 | 167.67 | 3 |
| Dec 2014 | 177.19 | 3 |
| Nov 2014 | 184.48 | 3 |
| Oct 2014 | 173.97 | 3 |
| Sep 2014 | 176.88 | 3 |
| Aug 2014 | 167.44 | 3 |
| Jul 2014 | 174.02 | 3 |
| Jun 2014 | 165.78 | 3 |
| May 2014 | 159.02 | 3 |
| Apr 2014 | 181.92 | 3 |
| Mar 2014 | 336.96 | 3 |
| Jan 2014 | 332.05 | 3 |
| Dec 2013 | 171.18 | 3 |
| Nov 2013 | 170.28 | 3 |
| Oct 2013 | 171.89 | 3 |
| Sep 2013 | 337.51 | 3 |
| Aug 2013 | 161.14 | 3 |
| Jul 2013 | 170.43 | 3 |
| Jun 2013 | 167.36 | 3 |
| May 2013 | 159.56 | 3 |
| Apr 2013 | 163.63 | 3 |
| Mar 2013 | 175.43 | 3 |
| Feb 2013 | 175.79 | 3 |
| Jan 2013 | 168.04 | 3 |
| Dec 2012 | 171.18 | 3 |
| Nov 2012 | 167.83 | 3 |
| Oct 2012 | 166.97 | 3 |
| Sep 2012 | 165.24 | 3 |
| Aug 2012 | 163.22 | 3 |
| Jul 2012 | 316.67 | 3 |
| Jun 2012 | 167.96 | 3 |
| May 2012 | 176.51 | 3 |
| Apr 2012 | 167.69 | 3 |
| Mar 2012 | 164.94 | 3 |
| Feb 2012 | 161.70 | 3 |
| Jan 2012 | 337.72 | 3 |
| Dec 2011 | 185.32 | 3 |
| Nov 2011 | 162.94 | 3 |
| Oct 2011 | 175.36 | 3 |
| Sep 2011 | 171.60 | 3 |
| Aug 2011 | 358.43 | 3 |
| Jul 2011 | 166.75 | 3 |
| Jun 2011 | 170.28 | 3 |
| May 2011 | 168.67 | 3 |
| Apr 2011 | 173.42 | 3 |
| Mar 2011 | 338.24 | 3 |
| Feb 2011 | 188.70 | 3 |
| Jan 2011 | 183.72 | 3 |
| Dec 2010 | 172.26 | 3 |
| Nov 2010 | 358.86 | 3 |
| Oct 2010 | 170.49 | 3 |
| Sep 2010 | 178.35 | 3 |
| Aug 2010 | 163.88 | 3 |
| Jul 2010 | 342.73 | 3 |
| Jun 2010 | 189.37 | 3 |
| May 2010 | 167.90 | 3 |
| Apr 2010 | 334.21 | 3 |
| Mar 2010 | 175.61 | 3 |
| Feb 2010 | 173.12 | 3 |
| Jan 2010 | 177.80 | 3 |
| Dec 2009 | 332.11 | 3 |
| Nov 2009 | 171.56 | 3 |
| Oct 2009 | 321.20 | 3 |
| Sep 2009 | 171.73 | 3 |
| Aug 2009 | 163.55 | 3 |
| Jul 2009 | 163.60 | 3 |
| Jun 2009 | 335.61 | 3 |
| May 2009 | 165.52 | 3 |
| Apr 2009 | 340.34 | 3 |
| Mar 2009 | 171.81 | 3 |
| Feb 2009 | 171.42 | 3 |
| Jan 2009 | 334.72 | 3 |
| Dec 2008 | 176.71 | 3 |
| Nov 2008 | 179.73 | 3 |
| Oct 2008 | 343.00 | 3 |
| Sep 2008 | 178.84 | 3 |
| Aug 2008 | 162.29 | 3 |
| Jul 2008 | 341.85 | 3 |
| Jun 2008 | 166.87 | 3 |
| May 2008 | 163.37 | 3 |
| Apr 2008 | 344.55 | 3 |
| Mar 2008 | 170.98 | 3 |
| Feb 2008 | 332.11 | 3 |
| Jan 2008 | 172.31 | 3 |
| Dec 2007 | 178.69 | 3 |
| Nov 2007 | 351.34 | 3 |
| Oct 2007 | 170.74 | 3 |
| Sep 2007 | 331.14 | 3 |
| Aug 2007 | 167.10 | 3 |
| Jul 2007 | 336.71 | 3 |
| Jun 2007 | 163.48 | 3 |
| May 2007 | 165.11 | 3 |
| Apr 2007 | 348.19 | 3 |
| Mar 2007 | 171.45 | 3 |
| Feb 2007 | 176.48 | 3 |
| Jan 2007 | 330.24 | 3 |
| Dec 2006 | 171.59 | 3 |
| Nov 2006 | 339.66 | 3 |
| Oct 2006 | 174.43 | 3 |
| Sep 2006 | 167.57 | 3 |
| Aug 2006 | 336.13 | 3 |
| Jul 2006 | 168.19 | 3 |
| Jun 2006 | 335.39 | 3 |
| May 2006 | 170.41 | 3 |
| Apr 2006 | 347.40 | 3 |
| Mar 2006 | 174.98 | 3 |
| Feb 2006 | 170.96 | 3 |
| Jan 2006 | 328.44 | 3 |
| Dec 2005 | 179.94 | 3 |
| Nov 2005 | 325.68 | 3 |
| Oct 2005 | 172.66 | 3 |
| Sep 2005 | 320.24 | 3 |
| Aug 2005 | 178.48 | 3 |
| Jul 2005 | 326.58 | 3 |
| Jun 2005 | 177.39 | 3 |
| May 2005 | 338.64 | 3 |
| Apr 2005 | 185.45 | 3 |
| Mar 2005 | 360.93 | 3 |
| Feb 2005 | 182.23 | 3 |
| Jan 2005 | 184.76 | 3 |
| Dec 2004 | 338.27 | 3 |
| Nov 2004 | 170.51 | 3 |
| Oct 2004 | 341.32 | 3 |
| Sep 2004 | 171.06 | 3 |
| Aug 2004 | 346.00 | 3 |
| Jul 2004 | 166.89 | 3 |
| Jun 2004 | 331.91 | 3 |
| May 2004 | 173.67 | 3 |
| Apr 2004 | 338.77 | 3 |
| Mar 2004 | 162.94 | 3 |
| Feb 2004 | 350.96 | 3 |
| Jan 2004 | 181.38 | 3 |
| Dec 2003 | 344.30 | 3 |
| Nov 2003 | 177.01 | 3 |
| Oct 2003 | 340.48 | 3 |
| Sep 2003 | 188.29 | 3 |
| Aug 2003 | 177.25 | 3 |
| Jul 2003 | 350.50 | 3 |
| Jun 2003 | 168.78 | 3 |
| May 2003 | 345.66 | 3 |
| Apr 2003 | 175.81 | 3 |
| Mar 2003 | 345.06 | 3 |
| Feb 2003 | 173.54 | 3 |
| Jan 2003 | 354.95 | 3 |
| Dec 2002 | 186.19 | 3 |
| Nov 2002 | 359.06 | 3 |
| Oct 2002 | 180.73 | 3 |
| Sep 2002 | 331.98 | 3 |
| Aug 2002 | 158.40 | 3 |
| Jul 2002 | 334.18 | 3 |
| Jun 2002 | 346.70 | 3 |
| May 2002 | 177.13 | 3 |
| Apr 2002 | 351.16 | 3 |
| Mar 2002 | 170.40 | 3 |
| Feb 2002 | 350.42 | 3 |
| Jan 2002 | 172.95 | 3 |
| Dec 2001 | 344.32 | 3 |
| Nov 2001 | 342.21 | 3 |
| Oct 2001 | 171.95 | 3 |
| Sep 2001 | 357.39 | 3 |
| Aug 2001 | 173.21 | 3 |
| Jul 2001 | 348.97 | 3 |
| Jun 2001 | 348.12 | 3 |
| May 2001 | 175.26 | 3 |
| Apr 2001 | 342.76 | 3 |
| Mar 2001 | 342.37 | 3 |
| Feb 2001 | 173.18 | 3 |
| Jan 2001 | 167.68 | 3 |
| Dec 2000 | 358.38 | 3 |
| Nov 2000 | 177.13 | 3 |
| Oct 2000 | 362.88 | 3 |
| Sep 2000 | 176.49 | 3 |
| Aug 2000 | 342.90 | 3 |
| Jul 2000 | 340.25 | 3 |
| Jun 2000 | 363.64 | 3 |
| May 2000 | 182.30 | 3 |
| Apr 2000 | 352.05 | 3 |
| Mar 2000 | 184.05 | 3 |
| Feb 2000 | 356.68 | 3 |
| Jan 2000 | 183.67 | 3 |
| Dec 1999 | 358.62 | 3 |
| Nov 1999 | 356.43 | 3 |
| Oct 1999 | 176.65 | 3 |
| Sep 1999 | 339.99 | 3 |
| Aug 1999 | 181.80 | 3 |
| Jul 1999 | 348.57 | 3 |
| Jun 1999 | 345.41 | 3 |
| May 1999 | 171.41 | 3 |
| Apr 1999 | 338.70 | 3 |
| Mar 1999 | 350.32 | 3 |
| Feb 1999 | 175.88 | 3 |
| Jan 1999 | 353.24 | 3 |
| Dec 1998 | 379.54 | 3 |
| Nov 1998 | 214.69 | 3 |
| Oct 1998 | 395.49 | 3 |
| Sep 1998 | 203.30 | 3 |
| Aug 1998 | 417.30 | 3 |
| Jul 1998 | 210.49 | 3 |
| Jun 1998 | 197.57 | 3 |
| May 1998 | 397.29 | 3 |
| Apr 1998 | 208.09 | 3 |
| Mar 1998 | 213.71 | 1 |
| Feb 1998 | 398.42 | 1 |
| Jan 1998 | 203.10 | 1 |
| Dec 1997 | 411.80 | 1 |
| Nov 1997 | 199.96 | 1 |
| Oct 1997 | 400.40 | 1 |
| Sep 1997 | 206.84 | 1 |
| Aug 1997 | 404.29 | 3 |
| Jul 1997 | 171.73 | 1 |
| Jun 1997 | 397.70 | 1 |
| May 1997 | 399.46 | 1 |
| Apr 1997 | 215.28 | 1 |
| Mar 1997 | 413.82 | 1 |
| Feb 1997 | 196.90 | 1 |
| Jan 1997 | 414.48 | 1 |
| Dec 1996 | 209.49 | 1 |
| Nov 1996 | 413.30 | 1 |
| Oct 1996 | 201.80 | 1 |
| Sep 1996 | 214.18 | 1 |
| Aug 1996 | 375.84 | 1 |
| Jul 1996 | 404.48 | 1 |
| Jun 1996 | 208.77 | 1 |
| May 1996 | 422.81 | 1 |
| Apr 1996 | 420.23 | 1 |
| Mar 1996 | 215.73 | 1 |
| Feb 1996 | 424.82 | 1 |
| Jan 1996 | 221.23 | 1 |
| Dec 1995 | 429.00 | 1 |
| Nov 1995 | 215.00 | 1 |
| Oct 1995 | 425.00 | 1 |
| Sep 1995 | 409.00 | 1 |
| Aug 1995 | 208.00 | 1 |
| Jul 1995 | 393.00 | 1 |
| Jun 1995 | 430.00 | 1 |
| May 1995 | 435.00 | 1 |
| Apr 1995 | 426.00 | 1 |
| Mar 1995 | 206.00 | 1 |
| Feb 1995 | 430.00 | 1 |
| Jan 1995 | 436.00 | 1 |
| Dec 1994 | 432.00 | 1 |
| Nov 1994 | 423.00 | 1 |
| Oct 1994 | 409.00 | 1 |
| Sep 1994 | 213.00 | 1 |
| Aug 1994 | 410.00 | 1 |
| Jul 1994 | 424.00 | 1 |
| Jun 1994 | 423.00 | 1 |
| May 1994 | 416.00 | 1 |
| Apr 1994 | 436.00 | 1 |
| Mar 1994 | 219.00 | 1 |
| Feb 1994 | 444.00 | 1 |
| Jan 1994 | 430.00 | 1 |
| Dec 1993 | 442.00 | 1 |
| Nov 1993 | 436.00 | 1 |
| Oct 1993 | 432.00 | 1 |
| Sep 1993 | 435.00 | 1 |
| Aug 1993 | 216.00 | 1 |
| Jul 1993 | 444.00 | 1 |
| Jun 1993 | 431.00 | 1 |
| May 1993 | 435.00 | 1 |
| Apr 1993 | 667.00 | 1 |
| Mar 1993 | 439.00 | 1 |
| Feb 1993 | 439.00 | 1 |
| Jan 1993 | 433.00 | 1 |
| Dec 1992 | 441.00 | 1 |
| Nov 1992 | 436.00 | 1 |
| Oct 1992 | 433.00 | 1 |
| Sep 1992 | 648.00 | 1 |
| Aug 1992 | 432.00 | 1 |
| Jul 1992 | 650.00 | 1 |
| Jun 1992 | 432.00 | 1 |
| May 1992 | 435.00 | 1 |
| Apr 1992 | 663.00 | 1 |
| Mar 1992 | 649.00 | 1 |
| Feb 1992 | 440.00 | 1 |
| Jan 1992 | 661.00 | 1 |
| Dec 1991 | 662.00 | 1 |
| Nov 1991 | 439.00 | 1 |
| Oct 1991 | 863.00 | 1 |
| Sep 1991 | 656.00 | 1 |
| Aug 1991 | 842.00 | 1 |
| Jul 1991 | 974.00 | 1 |
| Jun 1991 | 835.00 | 1 |
| May 1991 | 851.00 | 1 |
| Mar 1991 | 206.00 | 1 |
| Jan 1991 | 198.00 | 1 |
| Oct 1990 | 205.00 | 1 |
| Aug 1990 | 198.00 | 1 |
| Jun 1990 | 201.00 | 1 |
| Apr 1990 | 199.00 | 1 |
| Feb 1990 | 199.00 | 1 |
| Dec 1989 | 199.00 | 1 |
| Oct 1989 | 197.00 | 1 |
| Aug 1989 | 207.00 | 1 |
| Jun 1989 | 199.00 | 1 |
| Apr 1989 | 202.00 | 1 |
| Sep 1988 | 195.00 | 1 |
| Jul 1988 | 207.00 | 1 |
| Mar 1988 | 204.00 | 1 |
| Feb 1988 | 199.00 | 1 |
| Dec 1987 | 217.00 | 1 |
| Nov 1987 | 198.00 | 1 |
| Sep 1987 | 203.00 | 1 |
| Jul 1987 | 203.00 | 1 |
| May 1987 | 196.00 | 1 |
| Feb 1987 | 210.00 | 1 |
| Jan 1987 | 195.00 | 1 |
| Nov 1986 | 200.00 | 1 |
| Jun 1986 | 208.00 | 1 |
| Apr 1986 | 206.00 | 1 |
| Feb 1986 | 204.00 | 1 |
| Dec 1985 | 226.00 | 1 |
| Sep 1985 | 220.00 | 1 |
| Jul 1985 | 212.00 | 1 |
| Jun 1985 | 196.00 | 1 |
| Apr 1985 | 208.00 | 1 |
| Dec 1984 | 206.00 | 1 |
| Oct 1984 | 215.00 | 1 |
| Aug 1984 | 208.00 | 1 |
| May 1984 | 206.00 | 1 |
| Apr 1984 | 208.00 | 1 |
| Jan 1984 | 212.00 | 1 |
| Dec 1983 | 221.00 | 1 |
| Oct 1983 | 208.00 | 1 |
| Aug 1983 | 240.00 | 1 |
| Apr 1983 | 203.00 | 1 |
| Feb 1983 | 207.00 | 1 |
| Jan 1983 | 223.00 | 1 |
| Nov 1982 | 216.00 | 1 |
| Sep 1982 | 209.00 | 1 |
| Aug 1982 | 215.00 | 1 |
| Jun 1982 | 216.00 | 1 |
| May 1982 | 212.00 | 1 |
| Apr 1982 | 215.00 | 1 |
| Mar 1982 | 356.00 | 1 |
| Feb 1982 | 215.00 | 1 |
| Jan 1982 | 207.00 | 1 |
| Nov 1981 | 211.00 | 1 |
| Oct 1981 | 214.00 | 1 |
| Sep 1981 | 210.00 | 1 |
| Jul 1981 | 207.00 | 1 |
| Jun 1981 | 211.00 | 1 |
| May 1981 | 214.00 | 1 |
| Mar 1981 | 216.00 | 1 |
| Feb 1981 | 215.00 | 1 |
| Jan 1981 | 211.00 | 1 |
| Nov 1980 | 214.00 | 1 |
| Oct 1980 | 208.00 | 1 |
| Sep 1980 | 212.00 | 1 |
| Jul 1980 | 200.00 | 1 |
| Jun 1980 | 213.00 | 1 |
| May 1980 | 213.00 | 1 |
| Apr 1980 | 221.00 | 1 |
| Mar 1980 | 212.00 | 1 |
| Feb 1980 | 217.00 | 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 |
|---|---|---|---|
| JOHN A. HEFFERNAN | 1 | Fossil Creek Energy, LLC | Producing |
| J. A. HEFFERNAN | 2 | Fossil Creek Energy, LLC | Producing |
| J. A. HEFFERNAN | 3 | Fossil Creek Energy, LLC | Producing |
Location
38.782983, -98.775748 · N2N2NW Sec 4 T15S R13W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001113434. The state’s own record.