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COX 'C'

Lease 1001140172 · Graham County, Kansas · SWNWNE Sec 26 T9S R21W · DOR 129498

Oil1989–20263 wells
Operator
Patterson Energy LLC
Cumulative (state figure)
85,602.81 bbl
First production
1989
Last production
2026
Location (PLSS)
SWNWNE Sec 26 T9S R21W

Monthly oil production

334 months filed with the Kansas Geological Survey, Aug 1989 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
85,602.80 bbl
Months filed
334
Most wells in a month
2
MonthOil (bbl)Wells
Apr 2026157.051
Mar 2026160.211
Feb 2026162.261
Jan 2026322.141
Dec 2025163.241
Nov 2025164.361
Oct 2025158.901
Sep 2025161.701
Aug 2025158.631
Jul 2025315.881
Jun 2025160.571
May 2025163.801
Apr 2025183.361
Mar 2025160.051
Feb 2025164.021
Jan 2025321.751
Dec 2024161.841
Nov 2024164.381
Oct 2024162.011
Sep 2024306.751
Aug 2024159.961
Jul 2024158.801
Jun 2024159.801
May 2024159.291
Apr 2024335.441
Mar 2024164.231
Feb 2024159.761
Jan 2024161.401
Dec 2023161.971
Nov 2023320.761
Oct 2023183.901
Sep 2023162.681
Aug 2023157.941
Jul 2023156.851
Jun 2023318.991
May 2023157.611
Apr 2023162.411
Mar 2023160.741
Feb 2023323.101
Jan 2023160.751
Dec 2022161.831
Nov 2022159.611
Oct 2022325.081
Sep 2022161.181
Aug 2022152.021
May 2022159.151
Apr 2022161.451
Mar 2022325.701
Feb 2022162.641
Jan 2022162.011
Dec 2021309.941
Nov 2021165.841
Oct 20217.001
Nov 2020139.261
Sep 2020164.901
Aug 2020160.251
Jul 2020252.361
Jun 2020159.351
Mar 2020166.731
Feb 2020165.691
Jan 2020172.961
Dec 2019154.461
Nov 2019165.891
Oct 2019163.251
Sep 2019141.531
Aug 2019168.811
Jul 2019312.661
Jun 2019319.871
May 2019160.011
Mar 2019318.521
Feb 2019164.781
Jan 2019166.361
Dec 2018308.481
Nov 2018166.161
Oct 2018165.231
Sep 2018164.911
Aug 2018160.211
Jul 2018321.381
Jun 2018324.411
May 2018487.141
Apr 20183.751
Nov 2017163.071
Aug 2017160.581
Apr 2017162.001
Nov 2016157.821
Aug 2016161.351
Jun 2016161.851
Mar 2016161.541
Jan 2016164.881
Oct 2015158.821
Jul 2015160.751
Apr 2015161.301
Feb 2015164.231
Dec 2014161.161
Sep 2014162.701
Jun 2014161.581
Apr 2014164.641
Jan 2014160.971
Dec 20138.631
Nov 2013162.471
Aug 2013160.071
Jun 2013158.541
Apr 2013162.601
Jan 2013163.491
Nov 2012159.171
Sep 2012159.731
Jun 2012162.321
Apr 2012160.071
Feb 2012163.261
Dec 2011162.091
Nov 2011163.131
Aug 2011161.031
Jul 2011161.711
May 2011164.251
Feb 2011165.081
Dec 2010163.481
Oct 2010163.961
Sep 2010160.771
Jul 2010161.121
May 2010162.981
Mar 2010163.912
Jan 2010162.132
Nov 2009162.702
Sep 2009164.092
Aug 2009162.252
Jun 2009158.672
May 2009162.402
Mar 2009162.242
Jan 2009318.262
Nov 2008161.022
Sep 2008153.612
Aug 20087.502
Jul 2008157.732
Jun 2008151.032
May 2008160.402
Apr 2008155.122
Mar 2008154.532
Feb 2008162.792
Jan 2008156.482
Nov 2007164.822
Oct 2007157.592
Sep 2007198.832
Aug 2007304.682
Jul 2007179.382
Jun 2007318.252
May 2007152.472
Mar 2007155.302
Dec 2006156.382
Nov 2006154.192
Oct 2006318.732
Sep 2006158.632
Aug 2006157.772
Jul 2006313.852
Jun 2006477.872
May 2006160.342
Apr 2006304.012
Mar 2006453.592
Feb 2006153.042
Dec 2005156.562
Nov 2005335.432
Oct 2005177.572
Sep 2005329.952
Aug 2005159.042
Jul 2005324.572
Jun 2005169.212
May 2005337.862
Apr 2005157.402
Mar 2005329.822
Feb 2005338.282
Jan 2005166.482
Dec 2004331.632
Nov 2004174.932
Oct 2004172.222
Sep 2004160.312
Aug 2004152.782
Mar 2003121.482
Dec 2002164.512
Oct 2002159.172
Sep 2002161.392
Jul 2002159.492
Jun 2002159.972
May 2002171.242
Apr 2002164.902
Mar 2002173.472
Feb 2002165.822
Jan 2002168.512
Dec 2001166.452
Nov 2001165.642
Oct 2001167.262
Sep 2001164.632
Aug 2001162.992
Jul 2001328.482
Jun 2001165.282
May 2001169.672
Apr 2001169.062
Mar 2001331.422
Feb 2001174.562
Jan 2001169.292
Dec 2000165.252
Nov 2000152.872
Oct 2000168.062
Sep 2000321.692
Aug 2000164.782
Jul 2000336.062
Jun 2000165.882
May 2000184.532
Apr 2000169.872
Mar 2000330.742
Feb 2000163.972
Jan 2000166.242
Dec 1999164.262
Nov 1999335.872
Oct 1999167.332
Sep 1999159.912
Aug 1999333.052
Jul 1999167.062
Jun 1999166.042
May 1999164.842
Apr 1999329.662
Mar 1999162.302
Feb 1999165.302
Jan 1999338.252
Dec 1998173.402
Nov 1998340.832
Oct 1998167.112
Sep 1998165.492
Aug 1998332.782
Jul 1998162.212
Jun 1998318.412
May 1998329.872
Apr 1998165.022
Mar 1998336.382
Feb 1998166.372
Jan 1998334.102
Dec 1997327.972
Nov 1997166.572
Oct 1997166.382
Sep 1997336.442
Aug 1997329.932
Jul 1997332.602
Jun 1997166.452
May 1997334.152
Apr 1997334.012
Mar 1997337.832
Feb 1997169.942
Jan 1997330.132
Dec 1996335.892
Nov 1996167.692
Oct 1996330.972
Sep 1996335.982
Aug 1996168.492
Jul 1996165.942
Jun 1996328.872
May 1996329.152
Apr 1996164.572
Mar 1996332.222
Feb 1996384.322
Jan 1996340.012
Dec 1995342.002
Nov 1995331.002
Oct 1995334.002
Sep 1995334.002
Aug 1995334.002
Jul 1995332.002
Jun 1995334.002
May 1995338.002
Apr 1995335.002
Mar 1995346.002
Feb 1995394.002
Jan 1995403.002
Dec 1994199.002
Nov 1994573.002
Sep 1994403.002
Aug 1994395.002
Jul 1994398.002
Jun 1994408.002
May 1994393.002
Apr 1994500.002
Mar 1994418.002
Feb 1994590.002
Jan 1994359.002
Dec 1993437.002
Nov 1993415.002
Oct 1993406.002
Sep 1993619.002
Aug 1993416.002
Jul 1993413.002
Jun 1993570.002
May 1993398.002
Apr 1993421.002
Mar 1993421.002
Feb 1993396.002
Jan 1993419.002
Dec 1992410.002
Nov 1992537.002
Oct 1992396.002
Sep 1992563.002
Aug 1992403.002
Jul 1992391.002
Jun 1992474.002
May 1992515.002
Apr 1992413.002
Mar 1992389.002
Feb 1992358.002
Jan 1992364.002
Dec 1991372.002
Nov 1991371.002
Oct 1991381.002
Sep 1991362.002
Aug 1991286.002
Jul 1991536.002
Jun 1991380.002
May 1991369.002
Apr 1991184.002
Mar 1991531.002
Feb 1991413.002
Jan 1991601.002
Dec 1990213.002
Nov 1990599.002
Oct 1990588.002
Sep 1990339.002
Aug 1990401.002
Jul 1990336.002
Jun 1990421.002
May 1990384.002
Apr 1990622.002
Mar 1990404.002
Feb 1990607.002
Jan 1990597.002
Dec 1989631.002
Nov 1989840.002
Oct 1989887.002
Sep 1989400.002
Aug 1989752.002

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.

WellNo.OperatorStatus
Cox 'C'5Patterson Energy LLCAuthorized Injection Well
Cox 'C'1Encore Operating CompanyPlugged and Abandoned
Cox 'C'2Patterson Energy LLCProducing

Location

39.246263, -99.631921 · SWNWNE Sec 26 T9S R21W

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001140172. The state’s own record.