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KOEPSEL

Lease 1001109719 · Riley County, Kansas · NENWNE Sec 36 T11S R8E · DOR 102789

Oil1965–20267 wells
Operator
Vess Oil Corporation
Cumulative (state figure)
531,963.78 bbl
First production
1965
Last production
2026
Location (PLSS)
NENWNE Sec 36 T11S R8E

Monthly oil production

539 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
142,557.80 bbl
Months filed
539
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 531,963.78 bbl.

MonthOil (bbl)Wells
Apr 2026181.713
Mar 2026166.903
Feb 2026165.713
Jan 2026169.523
Dec 2025169.263
Nov 2025174.883
Oct 2025174.883
Sep 2025169.423
Aug 2025168.203
Jul 2025174.613
May 2025214.293
Apr 2025169.993
Mar 2025151.343
Jan 2025168.863
Dec 2024164.463
Nov 2024170.763
Oct 2024163.343
Sep 2024167.833
Aug 2024160.803
Jul 2024162.773
Jun 2024165.383
May 2024160.973
Apr 2024154.933
Mar 2024327.473
Jan 2024170.613
Nov 2023319.873
Sep 2023155.713
Aug 2023167.163
Jul 2023327.543
Jun 2023162.733
May 2023163.693
Apr 2023166.893
Mar 2023177.883
Feb 2023167.883
Jan 2023180.373
Dec 2022175.763
Nov 2022161.953
Oct 2022166.093
Sep 2022171.683
Aug 2022165.163
Jul 2022173.923
Jun 2022173.583
May 2022163.393
Apr 2022171.133
Mar 2022172.843
Feb 2022174.553
Jan 2022181.163
Dec 2021178.333
Nov 2021172.013
Oct 2021177.733
Sep 2021350.183
Aug 2021166.193
Jul 2021187.163
Jun 2021159.703
May 2021159.203
Apr 2021135.633
Mar 2021165.843
Jan 2021322.713
Nov 2020162.403
Oct 2020164.563
Sep 2020158.943
Aug 2020161.423
Jul 2020154.193
Jun 2020155.413
May 2020157.013
Apr 2020161.883
Mar 2020162.253
Feb 2020158.453
Jan 2020159.483
Dec 2019166.943
Nov 2019160.563
Oct 2019159.063
Sep 2019161.723
Aug 2019155.983
Jul 2019156.353
Jun 2019158.553
May 2019160.083
Mar 2019160.293
Feb 2019159.283
Jan 2019161.873
Dec 2018168.333
Nov 2018160.973
Oct 2018161.883
Sep 2018158.243
Aug 2018157.123
Jul 2018162.023
Jun 2018160.373
May 2018161.893
Apr 2018166.573
Mar 2018164.063
Feb 2018163.443
Jan 2018323.153
Dec 2017158.243
Nov 2017164.633
Oct 2017162.773
Sep 2017157.593
Aug 2017168.543
Jul 2017318.263
Jun 2017161.863
May 2017176.283
Apr 2017158.333
Mar 2017164.823
Feb 2017162.653
Jan 2017162.723
Dec 2016329.173
Nov 2016161.903
Oct 2016160.383
Sep 2016161.313
Aug 2016163.073
Jul 2016155.783
Jun 2016326.713
May 2016165.073
Apr 2016163.433
Mar 2016159.573
Feb 2016160.943
Jan 2016161.083
Dec 2015162.813
Nov 2015162.793
Oct 2015162.263
Sep 2015163.473
Aug 2015161.733
Jul 2015323.133
Jun 2015160.893
May 2015163.563
Mar 2015158.634
Feb 2015176.534
Dec 2014157.144
Oct 2014165.274
Sep 2014169.104
Aug 2014165.024
Jul 2014166.814
Jun 2014161.544
May 2014171.594
Apr 2014164.724
Mar 2014158.784
Feb 2014164.434
Jan 2014160.874
Dec 2013163.154
Nov 2013159.844
Oct 2013322.754
Sep 2013155.594
Aug 2013158.694
Jul 2013158.854
Jun 2013158.624
May 2013164.074
Apr 2013323.624
Mar 2013159.344
Feb 2013162.144
Jan 2013161.314
Nov 2012165.324
Oct 2012159.084
Jul 2012160.824
Jun 2012322.974
May 2012158.594
Apr 2012329.794
Mar 2012160.864
Feb 2012161.454
Jan 2012163.734
Dec 2011315.554
Nov 2011159.624
Oct 2011158.164
Sep 2011162.494
Aug 2011154.704
Jul 2011157.574
Jun 2011316.494
May 2011154.434
Apr 2011322.954
Mar 2011166.824
Feb 2011157.874
Jan 2011163.504
Dec 2010322.854
Nov 2010156.864
Oct 2010320.274
Sep 2010157.524
Aug 2010160.024
Jul 2010317.014
Jun 2010160.444
May 2010324.954
Apr 2010163.714
Mar 2010160.174
Feb 2010167.624
Jan 2010320.964
Dec 2009161.534
Nov 2009318.894
Oct 2009165.674
Sep 2009322.214
Aug 2009156.624
Jul 2009323.734
Jun 2009159.574
May 2009322.644
Apr 2009164.204
Mar 2009316.694
Feb 2009155.754
Jan 2009324.114
Dec 2008162.514
Nov 2008159.434
Oct 2008323.874
Sep 2008315.544
Aug 2008157.704
Jul 2008163.534
Jun 2008156.804
May 2008320.424
Mar 2008151.854
Feb 2008157.084
Jan 2008170.044
Dec 2007159.174
Nov 2007158.284
Oct 2007318.994
Sep 2007155.964
Aug 2007308.684
Jul 2007162.554
Jun 2007367.884
May 2007162.644
Apr 2007314.614
Mar 2007319.054
Feb 2007158.824
Jan 2007166.244
Dec 2006315.074
Nov 2006155.044
Oct 2006318.884
Sep 2006161.414
Aug 2006309.474
Jul 2006165.184
Jun 2006314.054
May 2006164.724
Apr 2006167.684
Mar 2006329.764
Feb 2006156.764
Jan 2006316.214
Dec 2005158.194
Nov 2005165.014
Oct 2005321.304
Sep 2005163.944
Aug 2005160.834
Jul 2005314.624
Jun 2005163.284
May 2005162.154
Apr 2005323.934
Mar 2005166.244
Feb 2005322.824
Jan 2005162.104
Dec 2004331.374
Nov 2004162.134
Oct 2004330.234
Sep 2004331.994
Aug 2004161.204
Jul 2004161.694
Jun 2004161.884
May 2004322.044
Apr 2004161.234
Mar 2004161.384
Feb 2004324.584
Jan 2004161.344
Dec 2003162.814
Nov 2003321.474
Oct 2003162.954
Sep 2003165.824
Aug 2003320.214
Jul 2003319.184
Jun 2003163.054
May 2003320.164
Apr 2003321.074
Mar 2003170.294
Feb 2003333.104
Jan 2003169.694
Dec 2002319.654
Nov 2002163.564
Oct 2002325.484
Sep 2002317.074
Aug 2002157.544
Jul 2002310.604
Jun 2002155.984
May 2002317.184
Apr 2002170.474
Mar 2002318.344
Feb 2002314.294
Jan 2002162.344
Dec 2001319.684
Nov 2001325.594
Oct 2001160.974
Sep 2001319.054
Aug 2001155.514
Jul 2001316.874
Jun 2001156.594
May 2001314.294
Apr 2001161.504
Mar 2001162.654
Feb 2001318.204
Jan 2001316.734
Dec 2000160.384
Nov 2000325.304
Oct 2000163.174
Sep 2000309.534
Aug 2000159.534
Jul 2000322.724
Jun 2000318.514
May 2000169.534
Apr 2000326.954
Mar 2000334.524
Feb 2000168.854
Jan 2000341.384
Dec 1999354.034
Nov 1999163.054
Oct 1999320.844
Sep 1999165.904
Aug 1999309.054
Jul 1999164.994
Jun 1999705.884
May 1999324.704
Apr 1999385.534
Mar 1999166.694
Feb 1999160.704
Jan 1999309.764
Dec 1998318.924
Nov 1998324.274
Oct 1998158.284
Sep 1998315.934
Aug 1998318.184
Jul 1998310.954
Jun 1998496.504
May 1998176.824
Apr 1998224.224
Mar 1998309.144
Feb 1998322.094
Jan 1998327.024
Dec 1997222.244
Nov 1997316.184
Oct 1997324.374
Sep 1997316.304
Aug 1997481.414
Jul 1997159.584
Jun 1997319.734
May 1997318.474
Apr 1997319.964
Mar 1997321.384
Feb 1997317.684
Jan 1997313.634
Dec 1996323.604
Nov 1996319.074
Oct 1996334.524
Sep 1996310.764
Aug 1996297.834
Jul 1996306.114
Jun 1996166.184
May 1996305.114
Apr 1996314.024
Mar 1996297.734
Feb 1996316.274
Jan 1996316.474
Dec 1995327.005
Nov 1995333.005
Oct 1995327.005
Sep 1995158.005
Aug 1995503.005
Jul 1995161.005
Jun 1995351.005
May 1995321.005
Apr 1995327.005
Mar 1995326.005
Feb 1995162.005
Jan 1995331.005
Dec 1994326.005
Nov 1994324.005
Oct 1994324.005
Sep 1994335.005
Aug 1994341.005
Jul 1994331.005
Jun 1994359.005
May 1994325.005
Apr 1994339.005
Mar 1994341.005
Feb 1994333.005
Jan 1994331.005
Dec 1993169.005
Nov 1993321.005
Oct 1993356.005
Sep 1993341.005
Aug 1993167.005
Jul 1993340.005
Jun 1993344.005
May 1993333.005
Apr 1993494.005
Mar 1993332.005
Feb 1993343.005
Jan 1993357.005
Dec 1992342.005
Nov 1992341.005
Oct 1992502.005
Sep 1992342.005
Aug 1992350.005
Jul 1992486.005
Jun 1992349.005
May 1992327.005
Apr 1992327.005
Mar 1992499.005
Feb 1992330.005
Jan 1992504.005
Dec 1991325.005
Nov 1991327.005
Oct 1991485.005
Sep 1991325.005
Aug 1991342.005
Jul 1991487.005
Jun 1991158.005
May 1991324.005
Apr 1991330.005
Mar 1991326.005
Feb 1991331.005
Jan 1991159.005
Dec 1990326.005
Nov 1990172.005
Oct 1990324.005
Sep 1990158.005
Aug 1990328.005
Jul 1990331.005
Jun 1990158.005
May 1990325.005
Apr 1990326.005
Mar 1990172.005
Feb 1990331.005
Jan 1990325.005
Dec 1989328.005
Nov 1989321.005
Oct 1989313.005
Sep 1989641.005
Aug 1989474.005
Jul 1989318.005
Jun 1989319.005
May 1989316.005
Apr 1989321.005
Mar 1989313.005
Feb 1989319.005
Jan 1989322.005
Dec 1988326.005
Nov 1988323.005
Oct 1988324.005
Sep 1988323.005
Aug 1988317.005
Jul 1988327.005
Jun 1988485.005
May 1988315.005
Apr 1988325.005
Mar 1988334.005
Feb 1988485.005
Jan 1988324.005
Dec 1987161.005
Nov 1987509.005
Oct 1987315.005
Sep 1987322.005
Aug 1987329.005
Jul 1987481.005
Jun 1987318.005
May 1987176.005
Apr 1987333.005
Mar 1987319.005
Feb 1987345.005
Jan 1987322.005
Dec 1986475.005
Nov 1986323.005
Oct 1986324.005
Sep 1986315.005
Aug 1986484.005
Jul 1986322.005
May 1986325.005
Apr 1986490.005
Mar 1986318.005
Feb 1986165.005
Dec 1985494.005
Nov 1985159.005
Oct 1985320.005
Sep 1985319.005
Aug 1985324.005
Jul 1985325.005
Jun 1985328.005
May 1985319.005
Apr 1985318.005
Mar 1985326.005
Feb 1985482.005
Jan 1985319.005
Dec 1984318.005
Nov 1984354.005
Oct 1984325.005
Sep 1984423.005
Aug 1984320.005
Jul 1984461.005
Jun 1984482.005
May 1984319.005
Apr 1984314.005
Mar 1984245.005
Feb 1984482.005
Jan 1984359.005
Dec 1983471.005
Nov 1983316.005
Oct 1983476.005
Sep 1983471.005
Aug 1983465.005
Jul 1983470.005
Jun 1983315.005
May 1983315.005
Apr 1983316.005
Mar 1983478.005
Feb 1983480.005
Jan 1983319.005
Dec 1982477.005
Nov 1982478.005
Oct 1982476.005
Sep 1982474.005
Aug 1982472.005
Jul 1982470.005
Jun 1982471.005
May 1982474.005
Apr 1982317.005
Mar 1982151.005
Feb 1982159.005
Jan 1982318.005
Dec 1981160.005
Nov 1981471.005
Oct 1981317.005
Sep 1981345.005
Aug 1981471.005
Jul 1981313.005
Jun 1981314.005
May 1981474.005
Apr 1981315.005
Mar 1981317.005
Feb 1981612.005
Jan 1981357.005
Dec 1980358.005
Nov 1980351.005
Oct 1980351.005
Sep 1980501.005
Aug 1980382.005
Jul 1980351.005
Jun 1980525.005
May 1980531.005
Apr 1980353.005
Mar 1980356.005
Feb 1980180.005
Jan 1980334.005

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

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

WellNo.OperatorStatus
KOEPSEL1Vess Oil CorporationProducing
KOEPSEL2OXY USA Inc.Plugged and Abandoned
KOEPSEL3Vess Oil CorporationProducing
KOEPSEL4Thunderbird Drilling, Inc.Plugged and Abandoned
KOEPSEL5Vess Oil CorporationPlugged and Abandoned
KOEPSEL6OXY USA Inc.Plugged and Abandoned
KOEPSEL 'A'8Vess Oil CorporationProducing

Location

39.057034, -96.469614 · NENWNE Sec 36 T11S R8E

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001109719. The state’s own record.