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TAMMEN

Lease 1001111390 · Stafford County, Kansas · SWNENE Sec 6 T21S R12W · DOR 103676

Oil1967–20262 wells
Operator
Collins Oil, LLC
Cumulative (state figure)
111,295.66 bbl
First production
1967
Last production
2026
Location (PLSS)
SWNENE Sec 6 T21S R12W

Monthly oil production

342 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
58,816.70 bbl
Months filed
342
Most wells in a month
2

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 111,295.66 bbl.

MonthOil (bbl)Wells
Mar 2026153.082
Dec 202511.202
Nov 2025153.362
Sep 2025153.112
Jun 2025158.402
Mar 2025153.792
Dec 2024157.382
Sep 2024153.942
Jun 2024154.602
Apr 2024154.192
Feb 2024154.422
Nov 2023164.702
Aug 2023150.682
May 2023152.232
Mar 2023150.952
Nov 2022154.502
Aug 2022150.952
Jun 2022150.372
Mar 2022154.122
Dec 2021158.332
Oct 2021157.042
Jul 2021154.442
Apr 2021159.892
Jan 2021158.632
Nov 2020157.132
Aug 2020154.312
May 2020153.552
Mar 2020155.222
Dec 2019160.972
Sep 2019154.862
Jul 2019147.562
Apr 2019161.332
Feb 2019153.582
Nov 2018152.442
Aug 2018157.372
Jun 2018155.562
Mar 2018149.582
Jan 2018151.482
Oct 2017152.052
Jul 2017149.852
May 2017153.262
Feb 2017162.912
Dec 2016169.742
Sep 2016160.492
May 2016154.382
Mar 2016164.662
Dec 2015163.222
Aug 2015157.232
Jun 2015158.112
Mar 2015156.062
Feb 201512.152
Jan 2015163.322
Oct 2014163.802
Jul 2014168.552
May 2014150.862
Feb 2014169.372
Dec 2013170.222
Sep 2013158.822
Jul 2013151.392
Apr 2013161.392
Feb 2013168.462
Nov 2012157.652
Sep 2012156.672
Jul 2012154.512
Apr 2012164.642
Feb 2012170.122
Dec 2011157.642
Sep 2011163.192
Jul 2011159.542
May 2011168.962
Feb 2011171.762
Nov 2010160.692
Sep 2010142.212
Jul 2010157.592
Apr 2010150.742
Feb 2010161.042
Dec 2009155.472
Oct 2009164.332
Jul 2009160.872
May 2009152.182
Mar 2009155.202
Jan 2009171.592
Oct 2008158.822
Aug 2008160.682
Jun 2008156.492
Apr 2008156.542
Feb 2008157.612
Nov 2007160.072
Sep 2007157.072
Jun 2007161.302
Apr 2007164.962
Feb 2007158.382
Dec 2006164.352
Oct 2006164.772
Aug 2006156.762
Jun 2006165.942
Apr 2006156.322
Feb 2006163.842
Dec 2005162.172
Oct 2005157.652
Aug 2005157.862
Jun 2005156.782
Apr 2005164.212
Feb 2005172.192
Dec 2004175.202
Oct 2004170.982
Aug 2004172.012
Jun 2004170.572
Apr 2004171.912
Mar 2004173.002
Jan 2004172.832
Nov 2003171.482
Sep 2003171.812
Jul 2003168.602
May 2003172.562
Mar 2003173.312
Jan 2003173.672
Dec 2002172.782
Oct 2002170.872
Aug 2002166.512
Jul 2002168.662
May 2002170.962
Mar 2002172.302
Feb 2002175.262
Dec 2001172.542
Oct 2001173.242
Sep 2001168.972
Jul 2001170.472
Jun 2001168.212
Apr 2001169.202
Mar 2001173.812
Jan 2001174.902
Dec 2000171.302
Oct 2000167.912
Sep 2000170.212
Jul 2000171.122
Jun 2000168.572
May 2000171.962
Mar 2000175.822
Feb 2000175.552
Dec 1999174.572
Nov 1999173.462
Oct 1999173.592
Aug 1999169.992
Jul 1999170.362
Jun 1999341.762
Apr 1999174.132
Mar 1999173.692
Feb 1999172.972
Jan 1999176.012
Nov 1998173.482
Oct 1998172.982
Sep 1998171.122
Aug 1998170.952
Jul 1998169.772
May 1998170.942
Apr 1998174.712
Mar 1998176.962
Feb 1998178.722
Jan 1998176.342
Nov 1997176.172
Oct 1997173.842
Sep 1997169.552
Aug 1997174.772
Jul 1997168.082
Jun 1997172.682
May 1997173.452
Mar 1997172.652
Feb 1997178.012
Jan 1997179.072
Dec 1996174.522
Nov 1996176.972
Oct 1996173.932
Sep 1996175.852
Aug 1996174.462
Jul 1996172.332
Jun 1996170.562
May 1996173.902
Apr 1996172.882
Mar 1996355.082
Feb 1996176.452
Jan 1996178.032
Dec 1995360.001
Nov 1995176.001
Oct 1995352.001
Sep 1995172.001
Aug 1995513.001
Jul 1995172.001
Jun 1995523.001
May 1995524.001
Mar 1995174.001
Feb 1995178.001
Dec 1994175.001
Nov 1994174.001
Oct 1994173.001
Aug 1994171.001
Jul 1994171.001
Jun 1994171.001
May 1994174.001
Apr 1994174.001
Feb 1994176.001
Jan 1994177.001
Dec 1993176.001
Nov 1993179.001
Oct 1993175.001
Sep 1993174.001
Aug 1993170.001
Jul 1993171.001
Jun 1993209.001
May 1993174.001
Apr 1993174.001
Mar 1993176.001
Feb 1993177.001
Jan 1993177.001
Dec 1992174.001
Oct 1992174.001
Sep 1992174.001
Aug 1992173.001
Jul 1992173.001
Jun 1992171.001
May 1992176.001
Apr 1992172.001
Mar 1992176.001
Feb 1992176.001
Jan 1992176.001
Dec 1991172.001
Nov 1991176.001
Oct 1991172.001
Sep 1991172.001
Aug 1991173.001
Jul 1991171.001
Jun 1991174.001
May 1991176.001
Apr 1991175.001
Mar 1991173.001
Feb 1991175.001
Jan 1991178.001
Dec 1990177.001
Nov 1990173.001
Oct 1990347.001
Sep 1990172.001
Aug 1990173.001
Jul 1990170.001
Jun 1990172.001
May 1990174.001
Apr 1990175.001
Mar 1990176.001
Feb 1990175.001
Jan 1990176.001
Nov 1989174.001
Oct 1989173.001
Aug 1989170.001
Jul 1989170.001
May 1989170.001
Apr 1989169.001
Mar 1989172.001
Jan 1989174.001
Dec 1988171.001
Oct 1988167.001
Sep 1988170.001
Jul 1988166.001
May 1988169.001
Apr 1988169.001
Feb 1988170.001
Jan 1988170.001
Nov 1987167.001
Oct 1987170.001
Sep 1987167.001
Jul 1987167.001
Jun 1987168.001
May 1987168.001
Mar 1987167.001
Feb 1987168.001
Dec 1986163.001
Nov 1986167.001
Oct 1986168.001
Sep 1986165.001
Aug 1986165.001
Jun 1986169.001
May 1986166.001
Apr 1986169.001
Mar 1986166.001
Jan 1986172.001
Dec 1985169.001
Nov 1985168.001
Oct 1985166.001
Sep 1985164.001
Aug 1985164.001
Jul 1985171.001
May 1985169.001
Apr 1985172.001
Mar 1985168.001
Jan 1985170.001
Dec 1984169.001
Nov 1984166.001
Sep 1984162.001
Aug 1984165.001
Jul 1984165.001
May 1984168.001
Apr 1984165.001
Feb 1984167.001
Jan 1984169.001
Nov 1983168.001
Oct 1983164.001
Sep 1983164.001
Jul 1983164.001
Jun 1983166.001
May 1983166.001
Apr 1983167.001
Feb 1983170.001
Jan 1983171.001
Dec 1982168.001
Oct 1982169.001
Sep 1982166.001
Aug 1982167.001
Jul 1982161.001
Jun 1982166.001
May 1982161.001
Mar 1982170.001
Feb 1982167.001
Jan 1982162.001
Dec 1981166.001
Nov 1981167.001
Oct 1981165.001
Aug 1981165.001
Jul 1981162.001
Jun 1981164.001
May 1981165.001
Apr 1981166.001
Feb 1981163.001
Jan 1981171.001
Dec 1980172.001
Nov 1980168.001
Oct 1980167.001
Sep 1980162.001
Aug 1980163.001
Jun 1980159.001
May 1980166.001
Apr 1980160.001
Mar 1980163.001
Feb 1980170.001
Jan 1980169.001

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

2 wells the state's well register assigns to this lease. Every one has a page.

WellNo.OperatorStatus
TAMMEN2Collins Oil, LLCProducing
Tammen1Collins Oil, LLCProducing

Location

38.258129, -98.677466 · SWNENE Sec 6 T21S R12W

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001111390. The state’s own record.