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O'LEARY

Lease 1001113997 · Barton County, Kansas · SESENE Sec 8 T16S R11W · DOR 105875

Oil1977–20264 wells
Operator
Mai Oil Operations, Inc.
Cumulative (state figure)
99,667.83 bbl
First production
1977
Last production
2026
Location (PLSS)
SESENE Sec 8 T16S R11W

Monthly oil production

309 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
79,142.80 bbl
Months filed
309
Most wells in a month
3

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 99,667.83 bbl.

MonthOil (bbl)Wells
Mar 2026164.953
Feb 2026164.693
Dec 2025164.653
Oct 2025167.293
Sep 2025165.083
Jul 2025162.553
May 2025165.643
Apr 2025164.933
Feb 2025166.883
Jan 2025166.793
Nov 2024167.983
Sep 2024163.083
Aug 2024162.633
Jun 2024162.413
Apr 2024166.003
Mar 2024167.603
Feb 2024167.043
Dec 2023169.483
Nov 2023165.893
Sep 2023164.633
Aug 2023156.843
Jun 2023165.043
May 2023159.313
Mar 2023166.923
Jan 2023169.673
Dec 2022166.963
Oct 2022164.923
Sep 2022164.013
Jul 2022162.293
Jun 2022165.063
May 2022164.603
Mar 2022170.253
Feb 2022169.173
Dec 2021163.493
Nov 2021165.473
Sep 2021163.183
Aug 2021157.233
Jul 2021162.963
Jun 2021166.923
Apr 2021162.153
Mar 2021168.023
Feb 2021161.363
Jan 2021168.263
Dec 2020155.133
May 2020162.973
Mar 2020165.183
Jan 2020166.263
Nov 2019166.483
Oct 2019165.733
Sep 2019163.233
Jul 2019164.403
Jun 2019163.653
May 2019330.143
Mar 2019165.313
Feb 2019166.643
Jan 2019167.283
Dec 2018170.243
Oct 2018164.983
Sep 2018165.703
Aug 2018164.173
Jul 2018164.983
Jun 2018163.203
Apr 2018166.103
Mar 2018162.493
Jan 2018168.643
Dec 2017167.183
Nov 2017165.323
Sep 2017165.763
Aug 2017162.583
Jul 2017162.563
May 2017163.793
Apr 2017165.843
Mar 2017166.013
Jan 2017165.193
Dec 2016169.783
Nov 2016165.473
Oct 2016165.353
Sep 2016162.983
Aug 2016166.273
Jul 2016166.743
Jun 2016166.123
May 2016164.913
Apr 2016167.023
Feb 2016167.013
Jan 2016167.043
Dec 2015167.343
Nov 2015166.923
Oct 2015164.323
Sep 2015162.583
Aug 2015163.103
Jul 2015162.433
Jun 2015325.183
May 2015135.193
Apr 2015162.283
Mar 2015167.743
Feb 2015166.503
Jan 2015164.503
Dec 2014329.823
Nov 2014167.253
Oct 2014163.893
Sep 2014163.583
Aug 2014325.573
Jul 2014156.343
Jun 2014329.863
May 2014163.473
Apr 2014164.833
Mar 2014325.873
Feb 2014164.353
Jan 2014322.763
Dec 2013330.423
Nov 2013165.223
Oct 2013166.853
Sep 2013315.053
Aug 2013323.893
Jul 2013324.393
Jun 2013325.433
May 2013320.913
Apr 2013331.943
Mar 2013337.433
Feb 2013337.443
Jan 2013503.563
Dec 2012166.873
Nov 2012169.313
Oct 2012166.913
Sep 2012165.153
Aug 2012165.123
Jul 2012160.943
Jun 2012163.773
May 2012331.633
Apr 2012166.983
Mar 2012166.903
Feb 2012168.723
Jan 2012166.713
Dec 2011163.713
Nov 2011335.313
Oct 2011166.403
Sep 2011167.083
Aug 2011161.103
Jul 2011323.693
Jun 2011160.923
May 2011331.963
Apr 2011164.823
Mar 2011164.653
Feb 2011335.653
Jan 2011166.293
Dec 2010335.103
Nov 2010166.823
Oct 2010165.143
Sep 2010328.653
Aug 2010161.503
Jul 2010324.973
Jun 2010328.743
May 2010166.333
Apr 2010330.123
Mar 2010497.073
Feb 2010169.523
Jan 2010333.603
Dec 2009337.653
Nov 2009328.593
Oct 2009330.333
Sep 2009329.303
Aug 2009326.113
Jul 2009497.793
Jun 2009493.293
May 2009499.102
Apr 2009166.252
Mar 2009167.742
Feb 2009167.092
Jan 2009332.412
Dec 2008163.162
Nov 2008167.302
Oct 2008326.762
Sep 2008161.622
Aug 2008321.222
Jul 2008164.622
Jun 2008324.502
May 2008164.182
Apr 2008330.562
Mar 2008165.122
Feb 2008338.432
Jan 2008331.972
Dec 2007373.782
Nov 2007167.992
Oct 2007495.302
Sep 2007330.022
Aug 2007486.282
Jul 2007330.882
Jun 2007165.752
May 2007492.512
Apr 2007493.332
Mar 2007335.882
Feb 2007334.462
Jan 2007508.082
Dec 2006497.512
Nov 2006492.912
Oct 2006494.632
Sep 2006489.442
Aug 2006645.812
Jul 2006658.422
Jun 2006663.362
May 2006822.792
Apr 2006827.392
Mar 20061,174.962
Feb 2006843.732
Jan 20061,170.522
Dec 20051,008.512
Nov 20051,166.612
Oct 20051,498.192
Sep 20051,824.802
Aug 20052,325.342
Jul 20052,643.072
Jun 2005331.992
May 2005165.822
Mar 2005167.392
Nov 2004167.722
Sep 2004165.432
Aug 2004165.112
Jun 2004160.222
Apr 2004167.672
Sep 2003161.312
Jul 2003159.092
Apr 2003162.742
Feb 2003166.362
Dec 2002166.522
Oct 2002161.242
Aug 2002162.632
Jun 2002163.772
Apr 2002327.162
Mar 2002166.552
Feb 2002166.362
Nov 2001164.582
Jul 2001161.412
May 2001166.212
Apr 2001164.442
Feb 2001170.202
Dec 2000166.362
Oct 2000165.142
Sep 2000166.002
Jul 2000162.702
May 2000165.742
Mar 2000164.552
Feb 2000160.952
Jan 2000165.082
Nov 1999162.282
Oct 1999157.842
Aug 1999163.982
Jul 1999331.652
May 1999331.202
Apr 1999172.252
Mar 1999175.452
Jan 1999174.272
Oct 1998162.792
Aug 1998162.252
Jul 1998161.362
Jun 1998162.422
May 1998163.572
Apr 1998162.302
Feb 1998167.092
Jan 1998329.672
Nov 1997162.542
Oct 1997163.702
Jul 198754.002
May 198761.002
Jan 1987155.002
Dec 1985162.001
Nov 1985164.001
May 1985160.001
Mar 1985321.001
Dec 1984161.001
Oct 1984167.001
Aug 1984153.001
Jul 1984142.001
Jun 1984158.001
May 1984162.001
Mar 1984118.001
Feb 1984144.001
Jan 1984159.001
Oct 1983169.001
Aug 1983168.001
Jun 1983159.001
Apr 1983177.001
Mar 1983318.001
Dec 1982162.001
Oct 1982175.001
Aug 1982175.001
Jul 1982160.001
May 1982171.001
Mar 1982167.001
Feb 1982167.001
Dec 1981168.002
Oct 1981146.002
Sep 1981160.002
Jun 1981166.002
May 1981165.002
Mar 1981166.002
Feb 1981148.002
Jan 1981164.002
Dec 1980172.002
Nov 1980168.002
Oct 1980167.002
Sep 1980335.002
Aug 1980164.002
Jul 1980164.002
Jun 1980163.002
May 1980334.002
Apr 1980336.002
Mar 1980172.002
Feb 1980167.002
Jan 1980170.002

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

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

WellNo.OperatorStatus
O'LEARY 'B'5Mai Oil Operations, Inc.Producing
O'LEARY 'B'1Mai Oil Operations, Inc.Producing
O'LEARY 'B'2unavailablePlugged and Abandoned
O'Leary5Mai Oil Operations, Inc.Producing

Location

38.675159, -98.554593 · SESENE Sec 8 T16S R11W

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001113997. The state’s own record.