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ZORN

Lease 1001125731 · Barton County, Kansas · SENESW Sec 31 T16S R11W · DOR 112504

Oil1979–20264 wells
Operator
John Roy Evans Oil Company LLC
Cumulative (state figure)
131,777.35 bbl
First production
1979
Last production
2026
Location (PLSS)
SENESW Sec 31 T16S R11W

Monthly oil production

456 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
128,242.40 bbl
Months filed
456
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 131,777.35 bbl.

MonthOil (bbl)Wells
Apr 2026156.584
Mar 2026162.204
Feb 202619.804
Jan 2026169.424
Nov 2025161.164
Oct 2025161.534
Sep 2025153.924
Aug 2025152.414
Jul 2025156.604
Jun 2025317.214
May 2025160.634
Apr 2025162.754
Mar 2025158.644
Feb 2025323.924
Jan 2025165.014
Dec 2024161.244
Nov 2024163.704
Oct 2024156.144
Sep 2024323.054
Aug 2024313.474
Jul 2024158.614
Jun 2024161.594
May 2024319.964
Mar 2024161.824
Jan 2024159.134
Dec 2023164.134
Nov 2023156.994
Oct 2023320.554
Sep 2023162.204
Aug 2023325.134
Jul 2023319.784
Jun 2023165.434
May 2023334.164
Apr 2023323.944
Mar 2023325.534
Feb 2023330.614
Jan 2023329.364
Dec 2022160.994
Nov 2022493.554
Oct 2022318.444
Sep 2022323.144
Aug 2022298.044
Jul 2022327.224
Jun 2022489.014
May 2022327.744
Apr 2022502.904
Mar 2022328.474
Feb 2022332.914
Jan 2022330.644
Dec 2021323.964
Nov 2021338.944
Oct 2021159.904
Sep 2021319.644
Aug 2021163.474
Jul 2021154.924
Jun 2021324.074
May 2021319.744
Apr 2021323.304
Mar 2021329.384
Feb 2021330.004
Jan 2021320.304
Dec 2020496.574
Nov 2020164.934
Oct 2020332.014
Sep 2020328.164
Aug 2020310.724
Jul 2020157.134
Jun 2020319.874
Apr 2020323.594
Mar 2020489.584
Feb 2020317.434
Jan 2020322.884
Dec 2019327.164
Nov 2019348.634
Oct 2019491.124
Sep 2019327.434
Aug 2019486.944
Jul 2019486.034
Jun 2019482.444
May 2019160.164
Apr 2019164.834
Mar 2019331.714
Feb 2019492.474
Jan 2019494.504
Dec 2018326.714
Nov 2018333.634
Oct 2018477.054
Sep 2018646.544
Aug 2018486.344
Jul 2018643.994
Jun 2018477.884
May 2018946.024
Apr 2018320.564
Mar 2018331.194
Feb 2018497.714
Jan 2018332.724
Dec 2017346.654
Nov 2017487.144
Oct 2017322.204
Sep 2017494.434
Aug 2017160.684
Jul 2017319.134
Jun 2017326.764
May 2017493.274
Apr 2017488.564
Mar 2017495.874
Feb 2017506.144
Jan 2017505.534
Dec 2016162.154
Nov 2016353.444
Oct 2016320.124
Sep 2016165.144
Aug 2016324.464
Jul 2016351.664
Jun 2016325.674
May 2016327.304
Apr 2016317.394
Mar 2016326.994
Feb 2016164.444
Jan 2016329.444
Dec 2015499.314
Nov 2015326.164
Oct 2015321.004
Sep 2015314.654
Aug 2015488.004
Jul 2015326.134
Jun 2015482.784
May 2015323.814
Apr 2015327.104
Mar 2015495.594
Feb 2015498.224
Jan 2015332.324
Dec 2014508.454
Nov 2014333.994
Oct 2014493.764
Sep 2014659.364
Aug 2014337.014
Jul 2014657.214
Jun 2014487.434
May 2014330.804
Apr 2014328.554
Mar 2014326.054
Feb 2014162.874
Jan 2014509.964
Dec 2013357.284
Nov 2013163.444
Oct 2013501.094
Sep 2013336.854
Aug 2013509.794
Jul 2013504.834
Jun 2013323.054
May 2013326.184
Apr 2013339.104
Mar 2013644.964
Feb 2013323.204
Jan 2013489.694
Dec 2012500.573
Nov 2012480.133
Oct 2012482.143
Sep 2012484.883
Aug 2012649.263
Jul 2012479.233
Jun 2012479.803
May 2012644.233
Apr 2012810.413
Mar 2012641.863
Feb 2012662.513
Jan 2012827.873
Dec 2011832.373
Nov 2011817.233
Oct 2011963.163
Sep 2011643.903
Aug 2011630.753
Jul 2011320.943
Jun 2011485.513
May 2011482.613
Apr 2011655.633
Mar 2011325.333
Feb 2011486.863
Jan 2011159.193
Dec 2010494.562
Nov 2010485.802
Oct 2010328.292
Sep 2010326.662
Aug 2010156.292
Jul 2010158.892
Jun 2010161.292
May 2010160.582
Apr 2010160.502
Dec 2009165.212
Sep 2009165.622
Apr 2009163.612
Dec 2008168.502
Sep 2008160.962
Jul 2008159.032
May 2008162.652
Aug 2007158.432
Jun 2007159.672
Mar 2007166.892
Jul 2006159.552
May 2006157.582
Mar 2006158.402
Dec 2005156.782
Sep 2005156.382
Jul 2005152.252
May 2005158.552
Mar 2005163.262
Dec 2004162.232
Oct 2004160.282
Sep 2004153.552
Jun 2004155.382
May 2004155.502
Mar 2004162.142
Jan 2004161.352
Dec 2003160.212
Aug 2003174.962
Jun 2003159.172
May 2003167.152
Feb 2003166.912
Jan 2003164.822
Nov 2002169.032
Sep 2002160.002
Aug 2002159.972
Jun 2002157.172
Apr 2002161.902
Feb 2002158.892
Dec 2001164.402
Nov 2001157.012
Sep 2001160.132
Aug 2001159.502
Jun 2001321.112
May 2001161.642
Feb 2001159.682
Jan 2001163.922
Oct 2000341.242
Jul 2000160.652
Jun 2000162.052
May 2000160.462
Apr 2000164.382
Mar 2000160.302
Jan 2000149.202
Oct 1999160.792
Aug 1999163.282
Jul 1999156.742
May 1999163.712
Apr 1999166.372
Mar 1999162.482
Feb 1999166.492
Jan 1999158.842
Nov 1998162.772
Oct 1998160.912
Sep 1998157.642
Aug 1998162.182
Jul 1998157.502
May 1998154.032
Apr 1998159.642
Mar 1998161.662
Feb 1998155.382
Nov 1997158.422
Oct 1997315.582
Aug 1997158.512
Jul 1997315.862
May 1997159.202
Apr 1997157.292
Mar 1997159.852
Feb 1997156.452
Jan 1997161.522
Dec 1996162.352
Nov 1996164.412
Oct 1996165.312
Sep 1996166.242
Aug 1996161.282
Jul 1996158.242
Jun 1996320.652
May 1996160.332
Apr 1996163.252
Mar 1996164.792
Feb 1996273.422
Jan 1996196.032
Dec 1995304.001
Oct 1995157.001
Sep 1995161.001
Aug 1995305.001
Jul 1995164.001
Jun 1995160.001
May 1995327.001
Apr 1995162.001
Mar 1995192.001
Feb 1995292.001
Jan 1995166.001
Dec 1994164.001
Nov 1994163.001
Oct 1994311.001
Sep 1994161.001
Aug 1994161.001
Jul 1994324.001
Jun 1994161.001
May 1994165.001
Apr 1994323.001
Mar 1994316.001
Jan 1994491.001
Nov 1993163.001
Oct 1993314.001
Sep 1993164.001
Aug 1993331.001
Jul 1993165.001
Jun 1993163.001
May 1993314.001
Apr 1993322.001
Mar 1993165.001
Feb 1993317.001
Jan 1993163.001
Dec 1992331.001
Nov 1992275.001
Oct 1992214.001
Sep 1992156.001
Aug 1992318.001
Jul 1992321.001
Jun 1992162.001
May 1992320.001
Apr 1992333.001
Mar 1992326.001
Feb 1992165.001
Jan 1992322.001
Dec 1991330.001
Nov 1991321.001
Oct 1991328.001
Sep 1991329.001
Aug 1991329.001
Jul 1991326.001
Jun 1991328.001
May 1991325.001
Apr 1991493.001
Mar 1991330.001
Feb 1991323.001
Jan 1991492.001
Dec 1990612.001
Nov 1990819.001
Oct 1990330.001
Sep 199043.001
Aug 1990163.001
Jul 1990161.001
Jun 1990163.001
May 1990161.001
Mar 1990160.001
Feb 1990163.001
Jan 1990164.001
Nov 1989150.001
Oct 1989166.001
Sep 1989165.001
Aug 1989163.001
Jun 1989156.001
May 1989157.001
Apr 1989158.001
Mar 1989167.001
Feb 1989166.001
Jan 1989161.001
Nov 1988161.001
Oct 1988162.001
Sep 1988161.001
Aug 1988158.001
Jul 1988157.001
Jun 1988159.001
May 1988164.001
Apr 1988165.001
Mar 1988151.001
Feb 1988163.001
Jan 1988165.001
Nov 1987165.001
Oct 1987161.001
Sep 1987164.001
Aug 1987164.001
Jul 1987159.001
Jun 1987163.001
May 1987145.001
Apr 1987330.001
Mar 1987162.001
Feb 1987164.001
Jan 1987165.001
Dec 1986163.001
Nov 1986202.001
Oct 1986285.001
Sep 1986261.001
Aug 1986158.001
Jul 1986128.001
Jun 1986323.001
May 1986165.001
Apr 1986312.001
Mar 1986326.001
Jan 1986318.001
Dec 1985202.001
Nov 1985130.001
Oct 1985332.001
Sep 1985321.001
Aug 1985163.001
Jul 1985320.001
Jun 1985163.001
May 1985486.001
Apr 1985162.001
Mar 1985329.001
Feb 1985167.001
Jan 1985464.001
Dec 1984289.001
Nov 1984342.001
Oct 1984345.001
Sep 1984522.001
Aug 1984174.001
Jul 1984332.001
Jun 1984509.001
May 1984703.001
Apr 1984672.001
Feb 1984168.001
Jan 1984162.001
Dec 1983182.001
Oct 1983172.001
Sep 1983165.001
Aug 1983176.001
Jul 1983164.001
Jun 1983164.001
May 1983166.001
Apr 1983165.001
Mar 1983170.001
Feb 1983167.001
Jan 1983175.001
Dec 1982173.001
Oct 1982325.001
Sep 1982162.001
Aug 1982161.001
Jul 1982166.001
May 1982335.001
Mar 1982168.001
Feb 1982170.001
Jan 1982340.001
Dec 1981165.001
Nov 1981168.001
Oct 1981160.001
Sep 1981166.001
Aug 1981316.001
Jul 1981269.001
Jun 1981162.001
May 1981334.001
Apr 1981166.001
Mar 1981166.001
Feb 1981168.001
Jan 1981334.001
Dec 1980164.001
Nov 1980329.001
Oct 1980329.001
Sep 1980165.001
Aug 1980502.001
Jul 1980326.001
Jun 1980328.001
May 1980494.001
Mar 1980327.001
Feb 1980486.001
Jan 1980332.001

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

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

WellNo.OperatorStatus
ZORN 'A'1John Roy Evans Oil Company LLCProducing
ZORN 'A'3John Roy Evans Oil Company LLCProducing
Zorn 'A'4John Roy Evans Oil Company LLCProducing
Zorn 'A'5John Roy Evans Oil Company LLCProducing

Location

38.613423, -98.581859 · SENESW Sec 31 T16S R11W

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001125731. The state’s own record.