Williams 4-1
Lease 1001139796 · Morton County, Kansas · SE Sec 4 T31S R40W · DOR 128969
Oil1988–2021
Operator
Enterra Resources, LLC
Cumulative (state figure)
380,554.55 bbl
First production
1988
Last production
2021
Location (PLSS)
SE Sec 4 T31S R40W
Monthly oil production
350 months filed with the Kansas Geological Survey, Dec 1988 to Jan 2021. 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
380,554.50 bbl
Months filed
350
Most wells in a month
2
| Month | Oil (bbl) | Wells |
|---|---|---|
| Jan 2021 | 185.94 | 2 |
| Nov 2020 | 179.34 | 2 |
| Oct 2020 | 185.00 | 2 |
| Sep 2020 | 177.37 | 2 |
| Jul 2020 | 178.39 | 2 |
| Apr 2020 | 275.29 | 2 |
| Mar 2020 | 187.56 | 2 |
| Jan 2020 | 174.61 | 2 |
| Nov 2019 | 188.46 | 2 |
| Oct 2019 | 174.45 | 2 |
| Aug 2019 | 173.30 | 2 |
| Jun 2019 | 173.66 | 2 |
| May 2019 | 176.06 | 2 |
| Apr 2019 | 171.83 | 2 |
| Mar 2019 | 372.18 | 2 |
| Feb 2019 | 185.99 | 2 |
| Jan 2019 | 360.87 | 2 |
| Dec 2018 | 187.24 | 2 |
| Nov 2018 | 181.56 | 2 |
| Oct 2018 | 181.06 | 2 |
| Sep 2018 | 181.22 | 2 |
| Aug 2018 | 178.30 | 2 |
| Jun 2018 | 167.21 | 2 |
| May 2018 | 172.78 | 2 |
| Apr 2018 | 184.00 | 2 |
| Mar 2018 | 365.11 | 2 |
| Feb 2018 | 177.77 | 2 |
| Jan 2018 | 181.39 | 2 |
| Dec 2017 | 362.98 | 2 |
| Nov 2017 | 362.10 | 2 |
| Oct 2017 | 357.73 | 2 |
| Sep 2017 | 357.85 | 2 |
| Aug 2017 | 365.07 | 2 |
| Jul 2017 | 177.43 | 2 |
| Jun 2017 | 356.85 | 2 |
| May 2017 | 362.61 | 2 |
| Apr 2017 | 180.59 | 2 |
| Mar 2017 | 183.39 | 2 |
| Feb 2017 | 361.49 | 2 |
| Jan 2017 | 183.06 | 2 |
| Dec 2016 | 363.96 | 2 |
| Nov 2016 | 184.41 | 2 |
| Oct 2016 | 357.27 | 2 |
| Sep 2016 | 181.32 | 2 |
| Aug 2016 | 181.85 | 2 |
| Jul 2016 | 354.34 | 2 |
| Jun 2016 | 175.10 | 2 |
| May 2016 | 192.30 | 2 |
| Mar 2016 | 529.34 | 2 |
| Feb 2016 | 140.07 | 2 |
| Jan 2016 | 169.74 | — |
| Dec 2015 | 379.61 | — |
| Nov 2015 | 164.83 | — |
| Oct 2015 | 176.74 | — |
| Sep 2015 | 173.29 | — |
| Aug 2015 | 171.12 | — |
| Jul 2015 | 173.37 | — |
| Jun 2015 | 323.26 | — |
| May 2015 | 175.25 | — |
| Apr 2015 | 169.05 | — |
| Mar 2015 | 143.10 | — |
| Feb 2015 | 176.21 | — |
| Jan 2015 | 169.75 | — |
| Dec 2014 | 347.46 | — |
| Nov 2014 | 177.96 | — |
| Sep 2014 | 178.09 | — |
| Jul 2014 | 168.37 | — |
| Jun 2014 | 177.39 | — |
| May 2014 | 362.76 | — |
| Apr 2014 | 173.26 | — |
| Mar 2014 | 358.43 | — |
| Feb 2014 | 177.95 | — |
| Jan 2014 | 178.16 | — |
| Dec 2013 | 344.27 | — |
| Nov 2013 | 191.65 | — |
| Oct 2013 | 357.31 | — |
| Sep 2013 | 168.42 | — |
| Aug 2013 | 177.88 | — |
| Jul 2013 | 352.95 | — |
| Jun 2013 | 172.64 | — |
| May 2013 | 174.11 | — |
| Apr 2013 | 553.57 | — |
| Mar 2013 | 175.39 | — |
| Feb 2013 | 562.58 | — |
| Jan 2013 | 560.63 | — |
| Dec 2012 | 353.93 | — |
| Nov 2012 | 355.11 | — |
| Oct 2012 | 362.70 | — |
| Sep 2012 | 344.21 | — |
| Aug 2012 | 173.62 | — |
| Jul 2012 | 181.00 | — |
| Jun 2012 | 352.21 | — |
| May 2012 | 344.79 | — |
| Apr 2012 | 362.61 | — |
| Mar 2012 | 360.95 | — |
| Feb 2012 | 536.76 | — |
| Jan 2012 | 526.68 | — |
| Nov 2011 | 530.99 | — |
| Oct 2011 | 362.86 | — |
| Sep 2011 | 183.50 | — |
| Aug 2011 | 356.53 | — |
| Jul 2011 | 345.46 | — |
| Jun 2011 | 340.83 | — |
| May 2011 | 348.83 | — |
| Apr 2011 | 370.85 | — |
| Mar 2011 | 546.60 | — |
| Feb 2011 | 339.06 | — |
| Jan 2011 | 354.20 | — |
| Dec 2010 | 568.30 | — |
| Nov 2010 | 174.54 | — |
| Oct 2010 | 366.63 | — |
| Sep 2010 | 171.98 | — |
| Aug 2010 | 519.16 | — |
| Jul 2010 | 183.74 | — |
| Jun 2010 | 355.50 | — |
| May 2010 | 341.43 | — |
| Apr 2010 | 508.21 | — |
| Mar 2010 | 516.96 | — |
| Feb 2010 | 364.06 | — |
| Jan 2010 | 545.55 | — |
| Dec 2009 | 352.47 | — |
| Nov 2009 | 359.44 | — |
| Oct 2009 | 333.32 | — |
| Sep 2009 | 354.70 | — |
| Aug 2009 | 365.45 | — |
| Jul 2009 | 178.01 | — |
| Jun 2009 | 344.41 | — |
| May 2009 | 380.07 | — |
| Apr 2009 | 377.16 | — |
| Mar 2009 | 194.15 | — |
| Feb 2009 | 192.38 | — |
| Jan 2009 | 384.16 | — |
| Dec 2008 | 189.16 | — |
| Nov 2008 | 179.92 | — |
| Oct 2008 | 191.35 | — |
| Aug 2008 | 175.65 | — |
| Jul 2008 | 356.15 | — |
| Jun 2008 | 367.71 | — |
| May 2008 | 184.78 | — |
| Apr 2008 | 345.91 | — |
| Mar 2008 | 363.58 | — |
| Feb 2008 | 362.10 | — |
| Jan 2008 | 558.71 | — |
| Dec 2007 | 376.79 | — |
| Nov 2007 | 179.54 | — |
| Oct 2007 | 368.89 | — |
| Sep 2007 | 351.28 | — |
| Aug 2007 | 368.42 | — |
| Jul 2007 | 183.58 | — |
| Jun 2007 | 356.73 | — |
| May 2007 | 364.49 | — |
| Apr 2007 | 369.74 | — |
| Mar 2007 | 756.31 | — |
| Feb 2007 | 175.94 | — |
| Jan 2007 | 335.65 | — |
| Dec 2006 | 373.30 | — |
| Nov 2006 | 522.06 | — |
| Oct 2006 | 539.87 | — |
| Sep 2006 | 362.89 | — |
| Aug 2006 | 360.81 | — |
| Jul 2006 | 358.06 | — |
| Jun 2006 | 540.49 | — |
| May 2006 | 356.80 | — |
| Apr 2006 | 315.75 | — |
| Mar 2006 | 508.06 | — |
| Feb 2006 | 177.23 | — |
| Jan 2006 | 173.33 | — |
| Dec 2005 | 185.47 | — |
| Nov 2005 | 171.48 | — |
| Oct 2005 | 176.22 | — |
| Sep 2005 | 179.07 | — |
| Aug 2005 | 173.78 | — |
| Jun 2005 | 357.95 | — |
| Apr 2005 | 359.06 | — |
| Mar 2005 | 181.89 | — |
| Feb 2005 | 186.71 | — |
| Jan 2005 | 183.51 | — |
| Dec 2004 | 365.62 | — |
| Nov 2004 | 183.18 | — |
| Oct 2004 | 366.52 | — |
| Sep 2004 | 180.56 | — |
| Aug 2004 | 183.30 | — |
| Jul 2004 | 177.10 | — |
| Jun 2004 | 368.77 | — |
| May 2004 | 178.87 | — |
| Apr 2004 | 178.31 | — |
| Mar 2004 | 574.48 | — |
| Jan 2004 | 186.13 | — |
| Dec 2003 | 181.88 | — |
| Nov 2003 | 184.94 | — |
| Oct 2003 | 179.75 | — |
| Sep 2003 | 277.27 | — |
| Aug 2003 | 180.35 | — |
| Jul 2003 | 271.06 | — |
| Jun 2003 | 183.65 | — |
| May 2003 | 182.09 | — |
| Apr 2003 | 181.21 | — |
| Mar 2003 | 298.58 | — |
| Feb 2003 | 183.66 | — |
| Jan 2003 | 187.20 | — |
| Dec 2002 | 362.50 | — |
| Nov 2002 | 177.55 | — |
| Oct 2002 | 180.09 | — |
| Sep 2002 | 177.71 | — |
| Aug 2002 | 183.03 | — |
| Jul 2002 | 184.36 | — |
| Jun 2002 | 225.89 | — |
| May 2002 | 185.92 | — |
| Mar 2002 | 358.19 | — |
| Jan 2002 | 178.41 | — |
| Dec 2001 | 282.29 | — |
| Oct 2001 | 184.46 | — |
| Sep 2001 | 175.34 | — |
| Aug 2001 | 355.39 | — |
| Jun 2001 | 183.26 | — |
| Mar 2001 | 199.33 | — |
| Feb 2001 | 197.26 | — |
| Jan 2001 | 183.80 | — |
| Dec 2000 | 191.04 | — |
| Oct 2000 | 363.96 | — |
| Sep 2000 | 247.45 | — |
| Aug 2000 | 178.71 | — |
| Jul 2000 | 179.12 | — |
| Jun 2000 | 179.12 | — |
| May 2000 | 383.30 | — |
| Apr 2000 | 399.65 | — |
| Mar 2000 | 189.24 | — |
| Feb 2000 | 401.64 | — |
| Jan 2000 | 196.44 | — |
| Dec 1999 | 188.82 | — |
| Nov 1999 | 397.36 | — |
| Oct 1999 | 576.59 | — |
| Aug 1999 | 198.72 | — |
| Jul 1999 | 569.27 | — |
| Jun 1999 | 371.06 | — |
| May 1999 | 185.17 | — |
| Apr 1999 | 377.02 | — |
| Mar 1999 | 372.72 | — |
| Feb 1999 | 557.91 | — |
| Jan 1999 | 179.62 | — |
| Nov 1998 | 183.97 | — |
| Oct 1998 | 542.64 | — |
| Sep 1998 | 355.81 | — |
| Aug 1998 | 184.06 | — |
| Jul 1998 | 522.95 | — |
| Jun 1998 | 180.55 | — |
| May 1998 | 551.52 | — |
| Apr 1998 | 182.81 | — |
| Mar 1998 | 188.22 | — |
| Feb 1998 | 185.39 | — |
| Jan 1998 | 179.00 | — |
| Dec 1997 | 182.81 | — |
| Oct 1997 | 190.78 | — |
| Sep 1997 | 186.97 | — |
| Jul 1997 | 186.67 | — |
| Jun 1997 | 188.58 | — |
| Apr 1997 | 183.78 | — |
| Mar 1997 | 188.05 | — |
| Jan 1997 | 182.66 | — |
| Nov 1996 | 369.89 | — |
| Oct 1996 | 185.17 | — |
| Sep 1996 | 187.81 | — |
| Aug 1996 | 182.94 | — |
| Jul 1996 | 180.72 | — |
| May 1996 | 548.64 | — |
| Mar 1996 | 338.75 | — |
| Feb 1996 | 353.49 | — |
| Jan 1996 | 185.90 | — |
| Dec 1995 | 179.00 | 1 |
| Nov 1995 | 362.00 | 1 |
| Oct 1995 | 366.00 | 1 |
| Sep 1995 | 178.00 | 1 |
| Aug 1995 | 358.00 | 1 |
| Jul 1995 | 538.00 | 1 |
| Jun 1995 | 183.00 | 1 |
| May 1995 | 725.00 | 1 |
| Apr 1995 | 919.00 | 1 |
| Mar 1995 | 736.00 | 1 |
| Feb 1995 | 549.00 | 1 |
| Jan 1995 | 925.00 | 1 |
| Dec 1994 | 554.00 | 1 |
| Nov 1994 | 553.00 | 1 |
| Oct 1994 | 553.00 | 1 |
| Sep 1994 | 364.00 | 1 |
| Aug 1994 | 545.00 | 1 |
| Jul 1994 | 718.00 | 1 |
| Jun 1994 | 712.00 | 1 |
| May 1994 | 1,077.00 | 1 |
| Apr 1994 | 530.00 | 1 |
| Mar 1994 | 723.00 | 1 |
| Feb 1994 | 538.00 | 1 |
| Jan 1994 | 738.00 | 1 |
| Dec 1993 | 181.00 | 1 |
| Nov 1993 | 742.00 | 1 |
| Oct 1993 | 558.00 | 1 |
| Sep 1993 | 558.00 | 1 |
| Jul 1993 | 183.00 | 1 |
| May 1993 | 570.00 | 1 |
| Mar 1993 | 557.00 | 1 |
| Feb 1993 | 544.00 | 1 |
| Jan 1993 | 1,864.00 | 1 |
| Dec 1992 | 1,480.00 | 1 |
| Nov 1992 | 1,292.00 | 1 |
| Oct 1992 | 1,983.00 | 1 |
| Sep 1992 | 2,358.00 | 1 |
| Aug 1992 | 2,549.00 | 1 |
| Jul 1992 | 2,911.00 | 1 |
| Jun 1992 | 2,536.00 | 1 |
| May 1992 | 3,271.00 | 1 |
| Apr 1992 | 2,341.00 | 1 |
| Mar 1992 | 1,650.00 | 1 |
| Feb 1992 | 2,196.00 | 1 |
| Jan 1992 | 2,761.00 | 1 |
| Dec 1991 | 3,430.00 | 1 |
| Nov 1991 | 4,029.00 | 1 |
| Oct 1991 | 3,100.00 | 1 |
| Sep 1991 | 3,648.00 | 1 |
| Aug 1991 | 5,071.00 | 1 |
| Jul 1991 | 3,661.00 | 1 |
| Jun 1991 | 3,110.00 | 1 |
| May 1991 | 3,828.00 | 1 |
| Apr 1991 | 5,305.00 | 1 |
| Mar 1991 | 5,524.00 | 1 |
| Feb 1991 | 5,348.00 | 1 |
| Jan 1991 | 5,798.00 | 1 |
| Dec 1990 | 5,264.00 | 1 |
| Nov 1990 | 4,564.00 | 1 |
| Oct 1990 | 5,131.00 | 1 |
| Sep 1990 | 6,405.00 | 1 |
| Aug 1990 | 6,890.00 | 1 |
| Jul 1990 | 7,837.00 | 1 |
| Jun 1990 | 6,182.00 | 1 |
| May 1990 | 8,725.00 | 1 |
| Apr 1990 | 8,573.00 | 1 |
| Mar 1990 | 6,377.00 | 1 |
| Feb 1990 | 7,497.00 | 1 |
| Jan 1990 | 7,694.00 | 1 |
| Dec 1989 | 5,600.00 | 1 |
| Nov 1989 | 8,391.00 | 1 |
| Oct 1989 | 8,383.00 | 1 |
| Sep 1989 | 12,322.00 | 1 |
| Aug 1989 | 11,093.00 | 1 |
| Jul 1989 | 11,523.00 | 1 |
| Jun 1989 | 11,968.00 | 1 |
| May 1989 | 10,915.00 | 1 |
| Apr 1989 | 10,049.00 | 1 |
| Mar 1989 | 10,149.00 | 1 |
| Feb 1989 | 10,952.00 | 1 |
| Jan 1989 | 8,739.00 | 1 |
| Dec 1988 | 5,620.00 | 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
The state’s well register assigns no well to this lease. 23,174 of 98,639 Kansas leases are in that position — a lease is a production unit, and the register does not always name the holes under it.
Location
37.377664, -101.669495 · SE Sec 4 T31S R40W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001139796. The state’s own record.