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SIMPSON #3-#5

Lease 1001138397 · Ellis County, Kansas · SWNWSE Sec 12 T11S R17W · DOR 125215

Oil1986–20252 wells
Operator
Mai Oil Operations, Inc.
Cumulative (state figure)
88,673.57 bbl
First production
1986
Last production
2025
Location (PLSS)
SWNWSE Sec 12 T11S R17W

Monthly oil production

332 months filed with the Kansas Geological Survey, Sep 1986 to Dec 2025. 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
88,673.60 bbl
Months filed
332
Most wells in a month
2
MonthOil (bbl)Wells
Dec 2025177.352
Aug 2025175.142
Apr 2025171.602
Nov 2024173.082
Jul 2024169.312
Feb 2024178.632
Oct 2023170.612
Jun 2023168.382
Mar 2023173.882
Nov 2022177.612
Jul 2022163.582
Mar 2022167.502
Dec 2021172.802
Sep 2021156.882
Jun 2021179.402
Apr 2021175.012
Mar 2020167.832
Nov 2019162.502
Aug 2019169.762
May 2019167.562
Feb 2019176.312
Nov 2018165.312
Aug 2018174.272
May 2018167.582
Mar 2018169.252
Jan 2018171.812
Nov 2017166.792
Sep 2017163.242
Jul 2017166.862
May 2017166.172
Apr 2017169.402
Feb 2017168.582
Dec 2016170.662
Nov 2016167.542
Sep 2016163.912
Jul 2016159.132
Jun 2016157.662
May 2016172.292
Apr 2016175.402
Dec 2015160.782
Nov 2015160.562
Sep 2015160.952
Aug 2015156.842
Jun 2015161.772
May 2015147.912
Mar 2015160.472
Jan 2015140.542
Dec 2014158.742
Oct 2014170.482
Aug 2014149.242
Jul 2014160.142
May 2014155.102
Apr 2014174.392
Feb 2014176.312
Dec 2013156.692
Nov 2013180.032
Sep 2013171.752
Aug 2013172.232
May 2013163.282
Mar 2013174.082
Dec 2012166.192
Oct 2012183.762
Aug 2012174.242
Jun 2012156.012
May 2012176.652
Mar 2012171.892
Jan 2012166.202
Dec 2011177.222
Oct 2011180.432
Aug 2011170.242
Jul 2011167.842
May 2011169.952
Apr 2011171.772
Feb 2011160.222
Jan 2011175.562
Nov 2010164.302
Oct 2010173.932
Aug 2010169.832
Jul 2010165.902
May 2010162.812
Apr 2010169.992
Mar 2010175.702
Feb 20106.722
Jan 2010164.352
Dec 2009173.892
Nov 2009177.292
Sep 2009154.922
Aug 2009164.992
Jul 2009161.392
Jun 2009169.022
May 2009182.182
Mar 2009156.152
Feb 2009160.712
Jan 2009171.712
Dec 2008174.312
Nov 2008178.332
Oct 2008165.272
Sep 2008178.362
Aug 2008173.892
Jul 2008172.872
Jun 2008155.292
Apr 2008167.502
Feb 2008170.622
Dec 2007182.782
Oct 2007175.852
Aug 2007154.342
Jul 2007183.082
May 2007179.732
Mar 2007167.972
Feb 2007180.292
Dec 2006191.342
Oct 2006171.062
Sep 2006190.112
Jul 2006180.772
Jun 2006187.802
Apr 2006185.132
Feb 2006182.392
Jan 2006191.282
Nov 2005185.022
Sep 2005157.012
Jul 2005166.362
Jun 2005183.432
Apr 2005155.602
Mar 2005190.942
Jan 2005163.112
Dec 2004193.332
Oct 2004168.202
Sep 2004192.462
Jul 2004172.522
Jun 2004189.482
Apr 2004167.572
Mar 2004191.462
Jan 2004157.662
Dec 2003194.742
Oct 2003162.832
Sep 2003188.562
Jul 2003160.442
Jun 2003171.352
May 2003177.352
Mar 2003161.542
Feb 2003166.482
Jan 2003169.752
Dec 2002183.492
Oct 2002160.512
Sep 2002158.212
Aug 2002169.442
Jul 2002170.122
May 2002153.442
Apr 2002158.242
Mar 2002172.212
Feb 2002172.132
Jan 2002173.882
Nov 2001163.052
Oct 2001157.902
Sep 2001171.442
Aug 2001169.372
Jul 2001179.912
May 2001159.072
Apr 2001161.782
Mar 2001167.552
Feb 2001182.512
Jan 2001179.762
Nov 2000148.412
Oct 2000157.452
Sep 2000143.562
Aug 2000143.082
Jul 2000148.452
Jun 2000157.042
May 2000172.952
Apr 2000160.092
Mar 2000156.262
Feb 2000158.492
Jan 2000159.082
Dec 1999173.872
Nov 1999160.682
Oct 1999167.032
Sep 1999167.882
Aug 1999165.722
Jul 1999167.052
Jun 1999170.502
May 1999156.462
Apr 1999190.352
Mar 1999166.122
Feb 1999163.312
Jan 1999171.142
Dec 1998188.682
Nov 1998156.852
Oct 1998161.452
Sep 1998173.742
Aug 1998165.942
Jul 1998183.402
Jun 1998185.052
May 1998167.632
Apr 1998193.372
Mar 1998184.222
Feb 1998190.032
Jan 1998200.512
Dec 1997199.742
Nov 1997208.872
Oct 1997194.412
Sep 1997190.012
Aug 1997194.012
Jun 1997156.352
May 1997176.272
Apr 1997190.132
Mar 1997189.452
Feb 1997183.202
Jan 1997199.392
Dec 1996178.612
Nov 1996174.432
Oct 1996174.752
Sep 1996175.852
Aug 1996325.812
Jul 1996157.782
Jun 1996163.032
May 1996182.162
Apr 1996173.982
Mar 1996334.202
Feb 1996170.612
Jan 1996166.332
Dec 1995167.001
Nov 1995336.001
Oct 1995157.001
Sep 1995168.001
Aug 1995168.001
Jul 1995331.001
Jun 1995156.001
May 1995169.001
Apr 1995312.001
Mar 1995160.001
Feb 1995327.001
Jan 1995163.001
Dec 1994331.001
Nov 1994171.001
Oct 1994176.001
Sep 1994341.001
Aug 1994174.001
Jul 1994344.001
Jun 1994174.001
May 1994340.001
Apr 1994173.001
Mar 1994343.001
Feb 1994216.001
Jan 1994206.001
Dec 1993372.001
Nov 1993207.001
Oct 1993204.001
Sep 1993403.001
Aug 1993197.001
Jul 1993203.001
Jun 1993398.001
May 1993199.001
Apr 1993407.001
Mar 1993207.001
Feb 1993354.001
Jan 1993409.001
Dec 1992210.001
Nov 1992364.001
Oct 1992401.001
Sep 1992205.001
Aug 1992338.001
Jul 1992348.001
Jun 1992349.001
May 1992361.001
Apr 1992394.001
Mar 1992410.001
Feb 1992409.001
Jan 1992198.001
Dec 1991406.001
Nov 1991417.001
Oct 1991412.001
Sep 1991403.001
Aug 1991197.001
Jul 1991392.001
Jun 1991398.001
May 1991408.001
Apr 1991413.001
Mar 1991412.001
Feb 1991416.001
Jan 1991417.001
Dec 1990417.001
Nov 1990206.001
Oct 1990614.001
Sep 1990206.001
Aug 1990419.001
Jul 1990576.001
Jun 1990407.001
May 1990410.001
Apr 1990413.001
Mar 1990412.001
Feb 1990417.001
Jan 1990414.001
Dec 1989413.001
Nov 1989413.001
Oct 1989613.001
Sep 1989410.001
Aug 1989405.001
Jul 1989606.001
Jun 1989409.001
May 1989629.001
Apr 1989614.001
Mar 1989411.001
Feb 1989628.001
Jan 1989417.001
Dec 1988616.001
Nov 1988623.001
Oct 1988604.001
Sep 1988609.001
Aug 1988608.001
Jul 1988602.001
Jun 1988610.001
May 1988614.001
Apr 1988617.001
Mar 1988616.001
Feb 1988813.001
Jan 1988619.001
Dec 1987827.001
Nov 1987608.001
Oct 1987824.001
Sep 1987615.001
Aug 1987810.001
Jul 1987811.001
Jun 19871,019.001
May 1987814.001
Apr 1987821.001
Mar 19871,033.001
Feb 1987822.001
Jan 19871,037.001
Dec 19861,236.001
Nov 19861,006.001
Oct 19861,576.001
Sep 1986800.001

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
SIMPSON3Mai Oil Operations, Inc.Producing
SIMPSON5Mai Oil Operations, Inc.Producing

Location

39.108561, -99.156244 · SWNWSE Sec 12 T11S R17W

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001138397. The state’s own record.