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HERL-A

Lease 1001117648 · Ellis County, Kansas · NWNWSE Sec 28 T14S R17W · DOR 108195

Oil1962–20268 wells
Operator
Mai Oil Operations, Inc.
Cumulative (state figure)
82,425.78 bbl
First production
1962
Last production
2026
Location (PLSS)
NWNWSE Sec 28 T14S R17W

Monthly oil production

292 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
60,677.80 bbl
Months filed
292
Most wells in a month
4

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 82,425.78 bbl.

MonthOil (bbl)Wells
Apr 2026160.912
Mar 2026158.012
Jan 2026162.032
Dec 2025149.772
Nov 2025155.952
Sep 2025156.512
Aug 2025162.742
Jul 2025150.302
Jun 2025157.262
Apr 2025148.032
Mar 2025154.222
Feb 2025150.562
Dec 2024156.152
Nov 2024160.182
Oct 2024143.742
Sep 2024154.062
Jul 2024158.992
Jun 2024151.552
May 2024154.472
Apr 2024162.632
Feb 2024167.982
Jan 2024153.992
Dec 2023154.222
Oct 2023157.452
Sep 2023160.062
Aug 2023155.422
Jun 2023155.152
May 2023153.142
Apr 2023158.042
Mar 2023154.882
Feb 2023155.812
Dec 2022159.232
Nov 2022150.782
Oct 2022152.802
Sep 2022159.472
Jul 2022152.532
Jun 2022159.012
May 2022152.092
Mar 2022171.902
Feb 2022178.872
Jan 2022136.882
Dec 2021150.692
Oct 2021152.302
Sep 2021160.272
Aug 2021146.942
Jul 2021159.002
Jun 2021148.862
May 2021148.422
Apr 2021158.312
Mar 2021163.452
Feb 2021142.023
Jan 2021156.043
Dec 2020150.863
Nov 2020159.573
Oct 2020150.523
Sep 2020139.953
Aug 2020142.963
Jul 2020148.193
Jun 2020154.653
May 2020154.553
Apr 2020163.903
Mar 2020154.503
Feb 2020165.933
Jan 2020150.063
Dec 2019149.243
Nov 2019154.783
Oct 2019157.133
Sep 2019157.703
Aug 2019149.143
Jul 2019156.293
Jun 2019157.753
May 2019154.343
Apr 2019154.203
Mar 2019296.283
Feb 2019152.003
Dec 2018216.403
Nov 2018167.043
Oct 2018164.013
Sep 2018156.333
Aug 2018140.763
Jul 2018138.723
Jun 2018143.073
May 2018291.453
Apr 2018153.033
Mar 2018144.933
Feb 2018150.443
Jan 2018153.853
Dec 2017157.303
Nov 2017314.433
Oct 2017139.533
Sep 2017286.053
Aug 2017151.623
Jul 2017143.293
Jun 2017147.743
May 2017303.313
Apr 2017154.613
Mar 2017160.823
Feb 2017158.433
Jan 2017317.933
Dec 2016160.143
Nov 2016149.273
Oct 2016300.913
Sep 2016156.143
Aug 2016159.093
Jul 2016307.693
Jun 2016300.933
May 2016161.263
Apr 2016163.463
Mar 2016316.973
Feb 2016156.933
Jan 2016314.113
Dec 2015296.183
Nov 2015317.633
Oct 2015164.023
Sep 2015155.893
Aug 2015304.033
Jul 2015160.433
Jun 2015158.353
May 2015304.353
Apr 2015322.373
Mar 2015147.883
Feb 2015158.483
Jan 2015314.083
Dec 2014161.573
Nov 2014163.303
Oct 2014157.593
Sep 2014288.153
Aug 2014295.103
Jul 2014150.903
Jun 2014153.763
May 2014424.683
Apr 2014165.363
Mar 2014304.823
Feb 2014321.373
Jan 2014319.593
Dec 2013156.863
Nov 2013440.653
Oct 2013314.103
Sep 2013161.993
Aug 2013306.633
Jul 2013304.883
Jun 2013308.843
May 2013335.603
Apr 2013334.903
Mar 2013316.943
Feb 2013317.503
Jan 2013312.041
Dec 2012327.061
Nov 2012325.581
Oct 2012320.831
Sep 2012210.361
Aug 2012351.201
Jul 2012174.541
Jun 2012350.671
May 2012350.771
Apr 2012172.241
Mar 2012324.521
Feb 2012302.521
Jan 2012356.661
Dec 2011503.501
Nov 2011345.661
Oct 2011348.031
Sep 2011325.251
Aug 2011347.161
Jul 2011352.651
Jun 2011525.541
May 2011521.971
Apr 2011525.261
Mar 2011172.531
Feb 2011175.201
Dec 2010178.771
Oct 2010175.481
Aug 2010172.591
Jun 2010174.771
Apr 2010175.861
Feb 2010146.041
Jan 2010176.161
Nov 2009175.891
Sep 2009174.661
Jul 2009174.161
May 2009175.741
Mar 2009150.611
Feb 2009174.241
Dec 2008174.561
Oct 2008169.451
Sep 2008173.891
Jul 2008184.361
May 2008175.981
Mar 2008173.751
Jan 2008157.211
Nov 2007159.681
Sep 2007164.561
Jul 2007184.821
May 2007184.001
Mar 2007177.731
Jan 2007168.501
Nov 2006159.591
Sep 2006161.451
Jul 2006181.361
May 2006182.161
Mar 2006170.741
Jan 2006164.181
Nov 2005117.811
Sep 2005131.911
Jul 2005163.501
May 2005162.501
Mar 2005156.521
Jan 2005139.881
Nov 2004177.381
Sep 2004194.681
Jul 2004178.741
May 2004173.951
Mar 2004186.881
Jan 2004162.131
Nov 2003157.251
Sep 2003169.741
Jul 2003175.791
May 2003179.091
Mar 2003173.041
Jan 2003175.511
Dec 2002169.841
Sep 2002172.801
Jul 2002167.301
May 2002183.641
Mar 2002179.991
Jan 2002180.971
Nov 2001181.461
Sep 2001166.741
Jul 2001183.331
May 2001180.701
Mar 2001172.281
Dec 2000170.871
Oct 2000164.461
Sep 2000165.651
Jul 2000166.971
May 2000168.621
Mar 2000172.271
Jan 2000167.271
Nov 1999181.421
Sep 1999179.681
Jul 1999182.421
May 1999163.651
Mar 1999161.591
Feb 1999163.321
Oct 1998168.611
Aug 1998173.691
Jun 1998166.661
Apr 1998164.781
Feb 1998164.611
Dec 1997164.671
Oct 1997163.701
Jul 1997186.701
May 1997182.791
Mar 1997184.011
Jan 1997168.631
Nov 1996182.281
Sep 1996179.201
Jul 1996173.721
May 1996176.781
Apr 1996175.931
Feb 1996171.491
Dec 1995178.004
Oct 1995235.004
Oct 1993334.004
Nov 1992349.004
Nov 199117.004
Sep 1991335.004
Apr 1991427.004
Sep 1990364.004
Apr 199042.004
Mar 1990242.004
Jul 1989239.004
Jun 1989190.004
Dec 1988383.004
May 1988433.004
Apr 1987397.004
Jun 1986301.004
Feb 1986389.004
May 1985409.004
Jun 1984153.004
May 1984201.004
Sep 1983410.004
Feb 1983406.004
Aug 1982442.004
May 198281.004
Apr 198296.004
Sep 1981418.004
Jun 1981409.004
Feb 1981353.004
Sep 1980360.004
Apr 1980412.004
Jan 1980207.004

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

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

WellNo.OperatorStatus
Herl4unavailableConverted to SWD Well
Herl1unavailablePlugged and Abandoned
Herl2unavailablePlugged and Abandoned
Herl3Mai Oil Operations, Inc.Producing
Herl 'A'5Mai Oil Operations, Inc.Producing
Herl 'A'6Mai Oil Operations, Inc.Plugged and Abandoned
Herl 'A'7Mai Oil Operations, Inc.Recompleted
HERL A7 SWDMai Oil Operations, Inc.Authorized Injection Well

Location

38.805018, -99.215243 · NWNWSE Sec 28 T14S R17W

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001117648. The state’s own record.