MILLHEISLER 'A'

Lease 1001108615 · Butler County, Kansas · Sec 4 T26S R5E · DOR 101697

Oil1965–202616 wells
Operator
Lachenmayr Oil LLC
Cumulative (state figure)
899,009.53 bbl
First production
1965
Last production
2026
Location (PLSS)
Sec 4 T26S R5E

Monthly oil production

534 months filed with the Kansas Geological Survey, Jan 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
131,690.50 bbl
Months filed
534
Most wells in a month
5

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 899,009.53 bbl.

MonthOil (bbl)Wells
Apr 202648.895
Mar 202658.405
Feb 202684.045
Jan 202661.455
Dec 202531.395
Nov 202570.515
Oct 2025114.755
Sep 202588.755
Aug 202563.835
Jul 2025126.695
Jun 202551.285
May 2025156.255
Apr 2025102.065
Mar 202573.465
Jan 202542.825
Dec 2024117.295
Nov 202468.835
Oct 2024126.735
Sep 2024104.795
Aug 2024116.805
Jul 202491.245
Jun 2024125.295
May 2024100.865
Apr 2024141.155
Mar 2024101.885
Feb 2024119.965
Jan 202491.805
Dec 2023150.975
Nov 2023238.755
Oct 2023211.025
Sep 2023157.205
Aug 2023255.415
Jul 2023246.005
Jun 2023229.595
May 2023207.685
Apr 2023197.535
Mar 2023168.695
Feb 2023232.375
Jan 2023130.155
Dec 2022156.685
Nov 2022205.595
Oct 2022214.555
Sep 2022159.135
Aug 2022192.035
Jul 2022159.355
Jun 2022153.695
May 2022284.895
Apr 2022192.725
Mar 2022267.325
Feb 2022192.095
Jan 2022229.235
Dec 2021160.265
Nov 2021215.455
Oct 2021195.615
Sep 2021245.135
Aug 2021159.745
Jul 2021161.945
Jun 2021156.255
May 2021243.385
Apr 2021206.465
Mar 2021153.415
Feb 2021117.465
Jan 2021208.315
Dec 2020234.415
Nov 2020161.745
Oct 2020217.635
Sep 2020163.435
Aug 2020149.645
Jul 202075.065
Jun 202078.645
May 202086.475
Apr 2020143.375
Mar 2020229.565
Feb 2020202.405
Jan 2020233.035
Dec 2019152.305
Nov 2019143.215
Oct 2019198.095
Sep 2019209.965
Aug 2019265.995
Jul 2019154.535
Jun 2019120.825
May 2019252.525
Apr 2019151.375
Mar 2019230.395
Feb 2019115.145
Jan 2019303.815
Dec 2018156.685
Nov 2018262.645
Oct 2018292.465
Sep 2018160.265
Aug 2018220.695
Jul 2018253.515
Jun 2018245.475
May 2018267.015
Apr 2018290.495
Mar 2018151.935
Feb 2018160.915
Jan 2018152.895
Dec 2017225.625
Nov 2017292.265
Oct 2017320.895
Sep 2017156.025
Jul 2017310.375
Jun 2017318.075
Apr 2017236.695
Mar 2017168.605
Feb 2017311.745
Jan 2017162.655
Dec 2016209.515
Nov 2016314.275
Oct 2016178.695
Sep 2016157.565
Aug 2016159.705
Jul 2016317.545
Jun 2016152.565
May 2016159.045
Apr 2016158.865
Mar 2016158.175
Feb 2016317.455
Jan 2016327.515
Dec 2015164.765
Nov 2015161.945
Oct 2015162.535
Sep 2015161.545
Aug 2015159.595
Jul 2015318.795
Jun 2015160.825
May 2015334.035
Apr 2015166.815
Mar 2015325.155
Feb 2015159.255
Jan 2015325.335
Dec 2014155.805
Nov 2014318.305
Oct 2014160.275
Sep 2014314.485
Aug 2014322.005
Jul 2014160.555
Jun 2014261.165
May 2014314.385
Apr 2014314.565
Mar 2014155.875
Feb 2014292.385
Jan 2014153.395
Dec 2013314.555
Nov 2013323.905
Oct 2013152.985
Sep 2013317.935
Aug 2013160.635
Jul 2013319.335
Jun 2013314.365
May 2013312.255
Apr 2013314.725
Mar 2013311.745
Feb 2013158.555
Jan 2013319.425
Dec 2012223.295
Nov 2012318.595
Oct 2012322.475
Sep 2012322.475
Aug 2012323.885
Jul 2012321.765
Jun 2012322.075
May 2012158.405
Apr 2012320.455
Mar 2012320.705
Feb 2012163.355
Jan 2012296.595
Dec 2011272.865
Nov 2011324.985
Oct 2011323.235
Sep 2011159.515
Aug 2011293.665
Jul 2011320.665
Jun 2011321.565
May 2011329.675
Apr 2011164.845
Mar 2011328.565
Feb 2011313.085
Jan 2011323.485
Dec 2010165.525
Nov 2010329.485
Oct 2010326.525
Sep 2010327.185
Aug 2010326.085
Jul 2010324.975
Jun 2010325.865
May 2010324.995
Apr 2010331.255
Mar 2010337.845
Feb 2010162.795
Jan 2010475.005
Dec 2009328.015
Nov 2009328.535
Oct 2009322.595
Sep 2009328.105
Aug 2009325.725
Jul 2009322.775
Jun 2009321.135
May 2009325.985
Apr 2009320.705
Mar 2009319.985
Feb 2009477.505
Jan 2009327.235
Dec 2008332.265
Nov 2008168.395
Oct 2008490.435
Sep 2008324.985
Aug 2008326.435
Jul 2008326.765
Jun 2008246.995
May 2008389.345
Apr 2008325.775
Mar 2008310.935
Feb 2008311.495
Jan 2008315.135
Dec 2007473.315
Nov 2007324.005
Oct 2007324.705
Sep 2007324.795
Aug 2007322.895
Jul 2007323.985
Jun 2007483.195
May 2007321.765
Apr 2007323.035
Mar 2007483.435
Feb 2007301.045
Jan 2007329.145
Dec 2006360.465
Nov 2006331.245
Oct 2006322.585
Sep 2006292.355
Aug 2006401.785
Jul 2006323.755
Jun 2006396.025
May 2006321.315
Apr 2006481.315
Mar 2006311.785
Feb 2006318.975
Jan 2006320.095
Dec 2005422.675
Nov 2005478.125
Oct 2005323.465
Sep 2005465.925
Aug 2005468.955
Jul 2005320.255
Jun 2005317.805
May 2005320.135
Apr 2005380.655
Mar 2005322.565
Feb 2005318.155
Jan 2005325.145
Dec 2004326.795
Nov 2004221.785
Oct 2004329.275
Sep 2004328.925
Aug 2004325.665
Jul 2004330.185
Jun 2004298.345
May 2004263.175
Apr 2004444.225
Mar 2004264.205
Feb 2004306.875
Jan 2004389.125
Dec 2003321.325
Nov 2003403.065
Oct 2003325.515
Sep 2003418.355
Aug 2003427.815
Jul 2003324.045
Jun 2003430.845
May 2003266.095
Apr 2003373.185
Mar 2003229.635
Feb 2003306.735
Jan 2003326.405
Dec 2002329.105
Nov 2002287.835
Oct 2002391.015
Sep 2002387.795
Aug 2002322.284
Jul 2002379.724
Jun 2002408.594
May 2002325.434
Apr 2002427.784
Mar 2002107.884
Feb 2002260.504
Jan 2002281.724
Dec 2001257.544
Nov 2001364.684
Oct 2001283.844
Sep 2001280.534
Aug 2001250.524
Jul 2001263.714
Jun 2001278.314
May 2001209.814
Apr 2001289.284
Mar 2001347.014
Feb 2001296.164
Jan 2001329.814
Dec 2000144.434
Nov 2000153.174
Oct 2000161.364
Sep 2000310.984
Aug 2000107.474
Jul 2000341.204
Jun 2000277.264
May 2000235.954
Apr 2000267.684
Mar 2000233.304
Feb 2000220.664
Jan 2000244.644
Dec 1999150.294
Nov 1999235.594
Oct 1999213.584
Sep 1999312.214
Aug 1999258.624
Jul 1999117.354
Jun 1999219.034
May 1999123.014
Apr 1999113.024
Mar 1999212.484
Feb 1999121.074
Jan 1999189.324
Dec 1998117.734
Nov 1998254.484
Oct 1998216.714
Sep 1998116.134
Aug 199892.434
Jul 1998212.694
Jun 1998259.774
May 199891.674
Apr 1998135.204
Mar 1998212.634
Feb 1998191.644
Jan 1998204.674
Dec 1997303.334
Nov 1997408.694
Oct 1997280.784
Sep 1997318.424
Aug 1997300.224
Jul 1997373.124
Jun 1997224.084
May 1997407.884
Apr 1997264.014
Mar 1997334.814
Feb 1997351.834
Jan 1997367.494
Dec 1996355.234
Nov 1996443.284
Oct 1996407.764
Sep 1996374.884
Aug 1996485.024
Jul 1996380.244
Jun 1996309.254
May 1996406.644
Apr 1996397.244
Mar 1996360.974
Feb 1996295.544
Jan 1996285.184
Dec 1995388.004
Nov 1995361.004
Oct 1995368.004
Sep 1995341.004
Aug 1995451.004
Jul 1995325.004
Jun 1995427.004
May 1995333.004
Apr 1995448.004
Mar 1995469.004
Feb 1995368.004
Jan 1995487.004
Dec 1994409.004
Nov 1994454.004
Oct 1994285.004
Sep 1994444.004
Aug 1994153.004
Jul 1994478.004
Jun 1994434.004
May 1994514.004
Apr 1994544.004
Mar 1994350.004
Feb 1994423.004
Jan 1994364.004
Dec 1993519.004
Nov 1993358.004
Oct 1993358.004
Sep 1993402.004
Aug 1993165.004
Jul 1993145.004
Jun 199392.004
May 199376.004
Apr 199378.004
Mar 199394.004
Feb 199385.004
Jan 1993175.004
Dec 1992266.004
Nov 199289.004
Oct 1992173.004
Sep 1992178.004
Aug 1992174.004
Jul 1992264.004
Jun 1992186.004
May 1992159.004
Apr 199285.004
Mar 1992162.004
Feb 1992175.004
Jan 199286.004
Dec 1991176.004
Nov 199194.004
Oct 1991179.004
Sep 199185.004
Aug 1991165.004
Jul 1991176.004
Jun 1991175.004
May 1991179.004
Apr 1991187.004
Mar 1991177.004
Feb 1991175.004
Jan 1991117.004
Dec 1990174.004
Nov 1990179.004
Oct 1990188.004
Sep 1990181.004
Aug 1990181.004
Jul 1990121.004
Jun 199083.004
May 1990175.004
Apr 1990171.004
Mar 1990173.004
Feb 1990168.004
Jan 1990174.004
Dec 1989220.004
Nov 198994.004
Oct 1989165.004
Sep 198989.004
Aug 198992.004
Jul 1989165.004
Jun 1989178.004
May 198940.004
Feb 1989139.004
Jan 1989186.004
Dec 198880.004
Nov 1988160.004
Oct 1988165.004
Sep 1988255.004
Jul 1988164.004
May 198879.004
Apr 198865.004
Mar 1988105.004
Feb 198894.004
Jan 1988129.004
Dec 1987153.004
Nov 1987178.004
Oct 1987143.004
Sep 1987155.004
Aug 1987137.004
Jul 1987167.004
Jun 1987165.004
May 1987168.004
Apr 1987161.004
Mar 198785.004
Feb 1987159.004
Jan 1987161.004
Feb 1986249.004
Jan 1986193.004
Dec 1985185.004
Nov 1985175.004
Oct 1985196.004
Sep 1985167.004
Aug 1985185.004
Jul 1985179.004
Jun 1985161.004
Apr 1985184.004
Mar 1985183.004
Feb 1985163.004
Jan 1985192.004
Dec 1984181.005
Oct 1984199.005
Sep 1984160.005
Aug 1984185.005
Jul 1984196.005
Jun 1984488.005
Apr 1984321.005
Mar 1984311.005
Feb 1984267.005
Jan 1984333.005
Dec 1983157.005
Oct 1983300.005
Sep 1983260.005
Aug 1983326.005
Jul 1983309.005
May 1983250.005
Apr 1983233.005
Mar 1983265.005
Feb 1983226.005
Jan 1983368.005
Dec 1982232.005
Nov 1982216.005
Oct 1982253.005
Sep 1982239.005
Aug 1982255.005
Jul 1982232.005
Jun 1982264.005
May 1982263.005
Apr 1982254.005
Mar 1982225.005
Feb 1982194.005
Jan 1982245.005
Dec 1981210.005
Nov 1981254.005
Oct 1981233.005
Sep 1981270.005
Aug 1981204.005
Jul 1981243.005
Jun 1981245.005
May 1981247.005
Apr 1981222.005
Mar 1981183.005
Feb 1981187.005
Jan 1981194.005
Dec 1980198.005
Nov 1980156.005
Oct 1980229.005
Sep 1980268.005
Aug 1980273.005
Jul 1980278.005
Jun 1980282.005
May 1980259.005
Apr 1980322.005
Mar 1980330.005
Feb 1980229.005
Jan 1980268.005

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

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

WellNo.OperatorStatus
MILLHEISLER7-ALachenmayr Oil LLCAuthorized Injection Well
MILLHEISLER2-AunavailablePlugged and Abandoned
MILLHEISLER5-ALachenmayr Oil LLCProducing
MILLHEISLER6-ALachenmayr Oil LLCProducing
MILLHEISLER11-BLachenmayr Oil LLCProducing
MILLHEISLER5-BLachenmayr Oil LLCProducing
MILLHEISLER4-BLachenmayr Oil LLCProducing
MILLHEISLER2unavailablePlugged and Abandoned
MILLHEISLER8unavailablePlugged and Abandoned
MILLHEISLER2unavailablePlugged and Abandoned
MILLHEISLER1-AunavailablePlugged and Abandoned
MILLHEISLER7-AunavailablePlugged and Abandoned
MILLHEISLER8-AunavailablePlugged and Abandoned
MILLHEISLER10OXY USA Inc.Plugged and Abandoned
MILLHEISLER1unavailable—
MILLHEISLER9unavailable—

Location

37.817425, -96.889263 · Sec 4 T26S R5E

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001108615. The state’s own record.