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ISAAC

Lease 1001119425 · Pawnee County, Kansas · NE Sec 5 T20S R20W · DOR 109521

Oil1969–20263 wells
Operator
Vess Oil Corporation
Cumulative (state figure)
459,377.88 bbl
First production
1969
Last production
2026
Location (PLSS)
NE Sec 5 T20S R20W

Monthly oil production

490 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
165,406.90 bbl
Months filed
490
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 459,377.88 bbl.

MonthOil (bbl)Wells
Apr 2026163.362
Mar 2026165.652
Jan 2026320.312
Dec 2025326.172
Nov 2025163.702
Oct 2025479.112
Sep 2025318.632
Aug 2025146.172
Jul 2025325.282
Jun 2025462.312
May 2025154.312
Mar 2025296.982
Jan 2025153.692
Dec 2024159.252
Nov 2024152.722
Oct 2024161.052
Sep 2024153.282
Aug 2024314.282
Jul 2024471.132
Jun 2024152.992
May 2024314.462
Apr 2024315.352
Feb 2024312.352
Jan 2024315.452
Nov 2023317.162
Oct 2023311.202
Sep 2023156.022
Aug 2023315.222
Jul 2023316.892
Jun 2023313.972
May 2023151.952
Apr 2023322.252
Mar 2023162.992
Feb 2023316.712
Jan 2023153.152
Dec 2022317.652
Nov 2022314.742
Oct 2022324.912
Sep 2022319.892
Aug 2022318.052
Jul 2022324.572
Jun 2022316.822
May 2022323.592
Apr 2022319.702
Mar 2022161.762
Feb 2022470.082
Jan 2022158.912
Dec 2021320.942
Nov 2021316.872
Oct 2021323.852
Sep 2021321.112
Aug 2021317.182
Jul 2021478.032
Jun 2021312.922
May 2021316.782
Apr 2021165.172
Mar 2021481.662
Feb 2021318.782
Jan 2021472.352
Dec 2020162.672
Nov 2020480.542
Oct 2020633.942
Sep 2020154.292
Aug 2020155.922
May 2020154.792
Mar 2020156.892
Feb 2020157.172
Dec 2019155.072
Nov 2019154.112
Oct 2019160.712
Aug 2019157.702
Jul 2019159.512
Jun 2019159.491
May 2019155.611
Apr 2019157.271
Mar 2019154.091
Jan 2019156.151
Dec 2018163.421
Oct 2018159.891
Sep 2018154.951
Aug 2018159.261
Jul 2018153.891
Jun 2018158.831
May 2018152.111
Apr 2018156.261
Mar 2018156.881
Feb 2018310.361
Dec 2017161.481
Nov 2017165.851
Oct 2017160.031
Sep 2017150.221
Aug 2017154.261
Jun 2017157.141
May 2017157.391
Mar 2017159.421
Feb 2017156.631
Jan 2017149.741
Nov 2016152.841
Oct 2016155.701
Sep 2016159.321
Aug 2016105.801
Jul 2016158.301
Jun 2016158.751
May 2016156.131
Apr 2016158.201
Mar 2016161.251
Feb 2016155.011
Jan 2016158.311
Nov 2015161.051
Oct 2015163.871
Sep 2015158.761
Jul 2015159.561
Jun 2015159.451
May 2015158.811
Apr 2015159.841
Mar 2015157.751
Jan 2015150.791
Dec 2014155.941
Nov 2014156.451
Oct 2014161.381
Sep 2014160.411
Aug 2014159.551
Jul 2014160.071
May 2014161.861
Apr 2014159.231
Mar 2014161.641
Feb 2014159.351
Jan 2014159.711
Nov 2013163.391
Oct 2013159.321
Sep 2013156.781
Aug 2013160.151
Jul 2013159.981
Jun 2013160.051
May 2013159.681
Apr 2013163.681
Mar 2013162.931
Feb 2013151.721
Jan 2013158.871
Dec 2012163.161
Oct 2012319.721
Sep 2012161.391
Aug 2012158.781
Jul 2012155.571
May 2012160.201
Apr 2012159.921
Feb 2012159.871
Jan 2012160.591
Dec 2011187.621
Nov 2011161.701
Oct 2011162.531
Sep 2011160.291
Aug 2011159.431
Jul 2011160.461
Jun 2011160.141
May 2011161.601
Mar 2011156.791
Feb 2011158.671
Jan 2011149.221
Dec 2010159.641
Nov 2010162.941
Oct 2010155.521
Jun 2010160.661
Apr 2010156.341
Feb 2010158.951
Nov 2009160.631
Oct 2009161.941
Aug 2009160.111
Jul 2009156.121
May 2009158.301
Apr 2009157.871
Jan 2009157.551
Nov 2008160.391
Oct 2008162.261
Aug 2008161.151
Jun 2008159.591
Apr 2008161.861
Mar 2008155.581
Jan 2008161.631
Dec 2007159.861
Nov 2007163.831
Oct 2007159.901
Aug 2007160.961
Jul 2007156.111
Jun 2007153.731
May 2007155.831
Apr 2007162.611
Mar 2007321.751
Dec 2006163.401
Sep 2006161.341
Jul 2006157.671
May 2006158.061
Mar 2006162.821
Jan 2006161.081
Nov 2005161.801
Sep 2005156.631
Aug 2005161.501
Jun 2005160.801
May 2005163.491
Mar 2005157.181
Jan 2005161.483
Dec 2004161.393
Nov 2004161.213
Sep 2004161.573
Aug 2004161.763
Jun 2004157.553
May 2004160.183
Apr 2004159.323
Feb 2004156.253
Jan 2004162.673
Dec 2003161.023
Oct 2003160.613
Sep 2003161.693
Aug 2003157.723
Jul 2003159.253
Jun 2003162.513
May 2003162.593
Mar 2003163.113
Feb 2003161.393
Jan 2003163.723
Dec 2002160.073
Nov 2002162.973
Oct 2002160.653
Sep 2002159.343
Aug 2002156.203
Jul 2002160.773
Jun 2002159.573
May 2002324.453
Apr 2002162.303
Mar 2002161.313
Feb 2002165.463
Jan 2002324.093
Dec 2001162.873
Nov 2001164.063
Oct 2001163.443
Sep 2001162.473
Aug 2001317.163
Jul 2001160.243
Jun 2001320.093
May 2001162.573
Apr 2001163.073
Mar 2001326.863
Jan 2001157.513
Dec 2000323.253
Nov 2000161.013
Oct 2000163.773
Sep 2000313.763
Aug 2000160.173
Jul 2000321.293
Jun 2000161.303
May 2000162.023
Apr 2000160.733
Mar 2000180.343
Feb 2000163.873
Jan 2000164.713
Dec 1999328.013
Nov 1999161.703
Oct 1999163.733
Sep 1999321.053
Aug 1999160.533
Jul 1999161.023
Jun 1999324.993
May 1999159.943
Apr 1999320.233
Mar 1999160.613
Feb 1999166.013
Jan 1999160.803
Dec 1998161.513
Nov 1998325.223
Oct 1998162.753
Sep 1998163.373
Aug 1998321.893
Jul 1998320.463
Jun 1998162.283
May 1998321.973
Apr 1998324.483
Feb 1998162.483
Jan 1998482.803
Nov 1997151.303
Oct 1997163.383
Sep 1997327.723
Aug 1997323.533
Jul 1997161.423
Jun 1997327.233
May 1997326.793
Apr 1997163.263
Mar 1997328.583
Feb 1997159.583
Jan 1997320.013
Dec 1996325.953
Nov 1996164.513
Oct 1996332.353
Sep 1996165.403
Aug 1996331.383
Jul 1996165.323
Jun 1996330.353
May 1996312.393
Apr 1996287.493
Mar 1996206.913
Feb 1996159.103
Jan 1996162.983
Dec 1995322.003
Nov 1995158.003
Oct 1995322.003
Sep 1995325.003
Aug 1995325.003
Jul 1995328.003
Jun 1995325.003
May 1995332.003
Apr 1995327.003
Mar 1995324.003
Feb 1995163.003
Jan 1995486.003
Dec 1994329.003
Nov 1994331.003
Oct 1994492.003
Sep 1994330.003
Aug 1994329.003
Jul 1994161.003
Jun 1994481.003
May 1994333.003
Apr 1994331.003
Mar 1994324.003
Feb 1994164.003
Jan 1994482.003
Dec 1993328.003
Nov 1993492.003
Oct 1993332.003
Sep 1993492.003
Aug 1993494.003
Jul 1993327.003
Jun 1993483.003
May 1993329.003
Apr 1993496.003
Mar 1993496.003
Feb 1993338.003
Jan 1993484.003
Dec 1992494.003
Nov 1992488.003
Oct 1992495.003
Sep 1992487.003
Aug 1992490.003
Jul 1992492.003
Jun 1992328.003
May 1992494.003
Apr 1992491.003
Mar 1992325.003
Feb 1992498.003
Jan 1992497.003
Dec 1991333.003
Nov 1991494.003
Oct 1991488.003
Sep 1991499.003
Aug 1991487.003
Jul 1991489.003
Jun 1991326.003
May 1991660.003
Apr 1991539.003
Mar 1991493.003
Feb 1991489.003
Jan 1991498.003
Dec 1990489.003
Nov 1990328.003
Oct 1990495.003
Sep 1990642.003
Aug 1990498.003
Jul 1990482.003
Jun 1990472.003
May 1990659.003
Apr 1990498.003
Mar 1990660.003
Feb 1990659.003
Jan 1990487.003
Dec 1989660.003
Nov 1989660.003
Oct 1989657.003
Sep 1989651.003
Aug 1989653.003
Jul 1989652.003
Jun 1989665.003
May 1989330.003
Apr 1989494.003
Mar 1989329.003
Feb 1989487.003
Jan 1989497.003
Dec 1988497.003
Nov 1988494.003
Oct 1988494.003
Sep 1988495.003
Aug 1988491.003
Jul 1988470.003
Jun 1988659.003
May 1988659.003
Apr 1988468.003
Mar 1988658.003
Feb 1988656.003
Jan 1988820.003
Dec 1987656.003
Nov 1987660.003
Oct 1987828.003
Sep 1987494.003
Aug 1987492.003
Jul 1987789.003
Jun 1987492.003
May 1987826.003
Apr 1987657.003
Mar 1987495.003
Feb 1987658.003
Jan 1987651.003
Dec 1986661.003
Nov 1986833.003
Oct 1986664.003
Sep 1986513.003
Aug 19861,022.003
Jun 1986506.003
May 1986640.003
Apr 1986640.003
Mar 1986639.003
Feb 1986641.003
Jan 1986631.003
Dec 1985751.003
Nov 1985646.003
Oct 1985386.003
Sep 1985379.003
Aug 1985491.003
Jul 1985508.003
Jun 1985378.003
May 1985495.003
Apr 1985655.003
Mar 1985654.003
Feb 1985658.003
Jan 1985652.003
Dec 1984977.003
Nov 1984829.003
Oct 1984661.003
Sep 1984660.003
Aug 1984646.003
Jul 1984819.003
Jun 1984483.003
May 1984828.003
Apr 1984639.003
Mar 1984979.003
Feb 1984819.003
Jan 1984970.003
Dec 1983843.003
Nov 1983988.003
Oct 1983983.003
Sep 1983956.003
Aug 19831,326.003
Jul 1983419.003
Jun 1983277.003
May 1983431.003
Apr 1983444.003
Mar 1983572.003
Feb 1983470.003
Jan 1983610.003
Dec 1982613.003
Nov 1982417.003
Oct 1982431.003
Sep 1982426.003
Aug 1982432.003
Jul 1982447.003
Jun 1982451.003
May 1982621.003
Apr 1982455.003
Mar 1982588.003
Feb 1982503.003
Jan 1982422.003
Dec 1981555.003
Nov 1981579.003
Oct 1981595.003
Sep 1981618.003
Aug 1981461.003
May 1981619.003
Apr 1981589.003
Mar 1981369.003
Feb 1981615.003
Jan 1981618.003
Dec 1980570.003
Nov 1980613.003
Oct 1980635.003
Sep 1980864.003
Aug 1980565.003
Jul 1980628.003
Jun 1980641.003
May 1980811.003
Apr 1980628.003
Mar 1980838.003
Feb 1980629.003
Jan 1980987.003

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

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

WellNo.OperatorStatus
Isaac1Vess Oil CorporationProducing
Isaac2Vess Oil CorporationProducing
Isaac4Vess Oil CorporationPlugged and Abandoned

Location

38.345753, -99.552097 · NE Sec 5 T20S R20W

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001119425. The state’s own record.