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OCONNOR JULIAN

Lease 1001120318 · Trego County, Kansas · NENENW Sec 13 T11S R21W · DOR 110387

Oil1951–20265 wells
Operator
Vess Oil Corporation
Cumulative (state figure)
865,393.48 bbl
First production
1951
Last production
2026
Location (PLSS)
NENENW Sec 13 T11S R21W

Monthly oil production

554 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
273,241.50 bbl
Months filed
554
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 865,393.48 bbl.

MonthOil (bbl)Wells
Apr 2026349.285
Mar 2026481.015
Feb 2026228.255
Jan 2026471.275
Dec 2025349.715
Nov 2025352.405
Oct 2025345.975
Sep 2025224.635
Aug 2025235.315
Jul 2025341.135
Jun 2025342.965
May 2025226.645
Apr 2025345.205
Mar 2025348.555
Feb 2025233.005
Jan 2025358.465
Dec 2024347.895
Nov 2024236.055
Oct 2024349.335
Sep 2024340.375
Aug 2024341.785
Jul 2024222.145
Jun 2024339.255
May 2024334.375
Apr 2024221.325
Mar 2024350.705
Feb 2024345.175
Jan 2024354.035
Dec 2023234.545
Nov 2023347.775
Oct 2023344.685
Sep 2023228.995
Aug 2023337.135
Jul 2023343.845
Jun 2023486.025
May 2023237.865
Apr 2023233.265
Mar 2023350.135
Feb 2023230.405
Jan 2023336.475
Dec 2022226.415
Nov 2022334.785
Oct 2022311.215
Sep 2022203.455
Aug 2022308.935
Jul 2022310.375
Jun 2022308.465
May 2022307.705
Apr 2022312.485
Mar 2022209.435
Feb 2022379.555
Jan 2022369.305
Dec 2021245.665
Nov 2021245.405
Oct 2021219.235
Sep 2021211.765
Aug 2021214.055
Jul 2021318.445
Jun 2021316.695
May 2021319.045
Apr 2021322.165
Mar 2021423.175
Feb 2021323.865
Jan 2021425.515
Dec 2020317.875
Nov 2020426.285
Oct 2020319.255
Sep 2020356.535
Aug 2020236.715
Jul 2020240.165
Apr 2020139.785
Mar 2020492.265
Feb 2020633.585
Jan 2020254.955
Dec 2019447.165
Nov 2019220.135
Oct 2019222.955
Sep 2019438.815
Aug 2019217.845
Jul 2019334.945
Jun 2019225.825
May 2019333.575
Apr 2019231.335
Mar 2019367.794
Feb 2019342.284
Jan 2019338.594
Dec 2018340.584
Nov 2018338.584
Oct 2018340.884
Sep 2018336.574
Aug 2018336.314
Jul 2018327.824
Jun 2018634.124
May 2018419.804
Apr 2018563.964
Mar 2018566.094
Feb 2018426.284
Jan 2018573.944
Dec 2017285.284
Nov 2017570.454
Oct 2017531.604
Sep 2017385.774
Aug 2017518.894
Jul 2017348.104
Jun 2017351.254
May 2017349.244
Apr 2017356.834
Mar 2017234.785
Feb 2017335.135
Jan 2017338.855
Dec 2016235.995
Nov 2016351.745
Oct 2016232.515
Sep 2016336.735
Aug 2016218.825
Jul 2016326.545
Jun 2016218.025
May 2016330.405
Apr 2016108.445
Mar 2016220.715
Feb 2016341.895
Jan 2016290.375
Dec 2015428.315
Nov 2015259.925
Oct 2015266.615
Sep 2015335.495
Aug 2015335.155
Jul 2015339.645
Jun 2015254.565
May 2015419.895
Apr 2015339.005
Mar 2015427.185
Feb 2015529.815
Jan 2015239.205
Dec 2014348.525
Nov 2014230.375
Oct 2014349.595
Sep 2014229.685
Aug 2014346.165
Jul 2014229.625
Jun 2014351.405
May 2014353.155
Apr 2014344.045
Mar 2014467.715
Feb 2014353.265
Jan 2014483.095
Dec 2013468.675
Nov 2013310.005
Oct 2013317.855
Sep 2013310.625
Aug 2013413.735
Jul 2013234.905
Jun 2013334.505
May 2013336.195
Apr 2013338.895
Mar 2013120.675
Feb 2013351.725
Jan 2013337.255
Dec 2012344.585
Nov 2012353.005
Oct 2012230.845
Sep 2012337.955
Aug 2012448.765
Jul 2012335.785
Jun 2012338.185
May 2012335.015
Apr 2012338.305
Mar 2012339.875
Feb 2012342.795
Jan 2012339.355
Dec 2011331.075
Nov 2011324.925
Oct 2011321.885
Sep 2011319.685
Aug 2011321.035
Jul 2011318.975
Jun 2011317.805
May 2011323.445
Apr 2011324.925
Mar 2011438.165
Feb 2011213.395
Jan 2011429.535
Dec 2010320.245
Nov 2010320.775
Oct 2010420.705
Sep 2010429.995
Aug 2010313.805
Jul 2010419.735
Jun 2010335.045
May 2010412.715
Apr 2010302.495
Mar 2010391.555
Feb 2010297.515
Jan 2010397.255
Dec 2009305.465
Nov 2009390.295
Oct 2009303.665
Sep 2009297.425
Aug 2009290.115
Jul 2009392.675
Jun 2009296.985
May 2009377.455
Apr 2009391.775
Mar 2009197.595
Feb 2009295.245
Jan 2009413.585
Dec 2008304.165
Nov 2008305.075
Oct 2008400.575
Sep 2008197.175
Aug 2008398.085
Jul 2008287.675
Jun 2008286.545
May 2008300.615
Apr 2008385.395
Mar 2008301.475
Feb 2008416.925
Jan 2008438.895
Dec 2007314.085
Nov 2007403.815
Oct 2007415.885
Sep 2007415.095
Aug 2007316.945
Jul 2007311.235
Jun 2007209.515
May 2007421.065
Apr 2007323.305
Mar 2007412.035
Feb 2007306.325
Jan 2007104.075
Dec 2006292.785
Nov 2006386.915
Oct 2006290.735
Sep 2006282.215
Aug 2006352.345
Jul 2006278.265
Jun 2006296.655
May 2006274.655
Apr 2006466.825
Mar 2006378.895
Feb 2006376.335
Jan 2006373.515
Dec 2005470.015
Nov 2005293.105
Oct 2005428.145
Sep 2005416.625
Aug 2005357.305
Jul 2005444.785
Jun 2005370.545
May 2005367.525
Apr 2005439.965
Mar 2005360.045
Feb 2005272.385
Jan 2005347.535
Dec 2004307.485
Nov 2004392.745
Oct 2004263.315
Sep 2004350.445
Aug 2004441.545
Jul 2004333.105
Jun 2004331.385
May 2004424.735
Apr 2004398.145
Mar 2004418.725
Feb 2004417.075
Jan 2004426.025
Dec 2003171.175
Nov 2003371.845
Oct 2003372.805
Sep 2003371.835
Aug 2003455.785
Jul 2003361.605
Jun 2003456.205
May 2003467.985
Apr 2003373.485
Mar 2003363.455
Feb 2003377.305
Jan 2003377.885
Dec 2002391.395
Nov 2002409.555
Oct 2002493.295
Sep 2002346.165
Aug 2002448.305
Jul 2002365.195
Jun 2002361.585
May 2002475.805
Apr 2002486.335
Mar 2002482.275
Feb 2002518.145
Jan 2002667.975
Dec 2001366.915
Nov 2001476.355
Oct 2001595.895
Sep 2001435.125
Aug 2001466.015
Jul 2001465.295
Jun 2001317.305
May 2001558.765
Apr 2001588.755
Mar 2001480.615
Feb 2001478.185
Jan 2001588.205
Dec 2000487.865
Nov 2000601.265
Oct 2000472.285
Sep 2000581.525
Aug 2000594.765
Jul 2000586.005
Jun 2000490.695
May 2000596.625
Apr 2000602.665
Mar 2000599.655
Feb 2000492.445
Jan 2000614.665
Dec 1999599.195
Nov 1999676.065
Oct 1999581.795
Sep 1999460.125
Aug 1999568.665
Jul 1999558.535
Jun 1999975.105
May 1999583.325
Apr 1999593.695
Mar 1999612.755
Feb 1999577.975
Jan 1999595.105
Dec 1998593.725
Nov 1998598.485
Oct 1998581.215
Sep 1998620.085
Aug 1998716.035
Jul 1998592.795
Jun 1998578.345
May 1998689.815
Apr 1998591.285
Mar 1998588.845
Feb 1998585.435
Jan 1998649.455
Dec 1997612.035
Nov 1997723.305
Oct 1997571.705
Sep 1997543.145
Aug 1997581.115
Jul 1997682.925
Jun 1997566.875
May 1997555.175
Apr 1997553.125
Mar 1997582.395
Feb 1997550.385
Jan 1997567.295
Dec 1996696.735
Nov 1996511.515
Oct 1996665.545
Sep 1996570.845
Aug 1996639.375
Jul 1996551.025
Jun 1996450.205
May 1996683.855
Apr 1996550.135
Mar 1996445.095
Feb 1996545.905
Jan 1996656.885
Dec 1995657.004
Nov 1995690.004
Oct 1995567.004
Sep 1995559.004
Aug 1995574.004
Jul 1995494.004
Jun 1995493.004
May 1995583.004
Apr 1995511.004
Mar 1995513.004
Feb 1995610.004
Jan 1995508.004
Dec 1994602.004
Nov 1994507.004
Oct 1994606.004
Sep 1994621.004
Aug 1994608.004
Jul 1994627.004
Jun 1994603.004
May 1994577.004
Apr 1994493.004
Mar 1994726.004
Feb 1994512.004
Jan 1994715.004
Dec 1993687.004
Nov 1993572.004
Oct 1993609.004
Sep 1993620.004
Aug 1993573.004
Jul 1993548.004
Jun 1993472.004
May 1993417.004
Apr 1993450.004
Mar 1993482.004
Feb 1993464.004
Jan 1993514.004
Dec 1992515.004
Nov 1992508.004
Oct 1992553.004
Sep 1992517.004
Aug 1992492.004
Jul 1992562.004
Jun 1992584.004
May 1992565.004
Apr 1992560.004
Mar 1992567.004
Feb 1992581.004
Jan 1992613.004
Dec 1991572.004
Nov 1991614.004
Oct 1991653.004
Sep 1991637.004
Aug 1991547.004
Jul 1991598.004
Jun 1991598.004
May 1991617.004
Apr 1991589.004
Mar 1991574.004
Feb 1991542.004
Jan 1991600.004
Dec 1990586.004
Nov 1990569.004
Oct 1990620.004
Sep 1990613.004
Aug 1990670.004
Jul 1990658.004
Jun 1990617.004
May 1990702.004
Apr 1990585.004
Mar 1990687.004
Feb 1990623.004
Jan 1990691.004
Dec 1989725.004
Nov 1989704.004
Oct 1989786.004
Sep 1989744.004
Aug 1989849.004
Jul 1989905.004
Jun 1989358.004
May 1989776.004
Apr 1989806.004
Mar 1989910.004
Feb 1989771.004
Jan 1989869.004
Dec 1988875.004
Nov 1988853.004
Oct 1988869.004
Sep 1988849.004
Aug 1988832.004
Jul 1988875.004
Jun 1988761.004
May 1988800.004
Apr 1988919.004
Mar 1988949.004
Feb 1988926.004
Jan 19881,097.004
Dec 1987707.004
Nov 1987237.004
Oct 1987362.004
Sep 1987841.004
Aug 1987865.004
Jul 1987967.004
Jun 1987907.004
May 1987857.004
Apr 1987953.004
Mar 1987719.004
Feb 1987725.004
Jan 1987979.004
Dec 19861,154.004
Nov 1986965.004
Oct 1986596.004
Sep 1986634.004
Aug 1986599.004
Jul 1986647.004
Jun 1986689.004
May 1986702.004
Apr 1986736.004
Mar 1986775.004
Feb 1986607.004
Jan 1986670.004
Dec 1985711.004
Nov 1985775.004
Oct 1985757.004
Sep 1985883.004
Aug 1985532.004
Jul 1985520.004
Jun 1985473.004
May 1985494.004
Apr 1985484.004
Mar 1985526.004
Feb 1985497.004
Jan 1985652.004
Dec 1984700.004
Nov 1984647.004
Oct 1984725.004
Sep 1984694.004
Aug 1984750.004
Jul 1984711.004
Jun 1984752.004
May 1984753.004
Apr 1984811.004
Mar 1984892.004
Feb 1984596.004
Jan 1984657.004
Dec 1983537.004
Nov 1983469.004
Oct 1983704.004
Sep 1983623.004
Aug 1983692.004
Jul 1983643.004
Jun 1983724.004
May 1983685.004
Apr 1983761.004
Mar 1983786.004
Feb 1983740.004
Jan 1983933.004
Dec 1982780.004
Nov 1982749.004
Oct 1982860.004
Sep 1982822.004
Aug 1982803.004
Jul 1982771.004
Jun 1982822.004
May 1982996.004
Apr 1982783.004
Mar 1982839.004
Feb 1982637.004
Jan 1982571.004
Dec 1981749.004
Nov 1981882.004
Oct 1981706.004
Sep 1981787.004
Aug 1981839.004
Jul 1981840.004
Jun 1981903.004
May 1981862.004
Apr 1981830.004
Mar 1981860.004
Feb 1981827.004
Jan 1981468.004
Dec 1980847.004
Nov 1980989.004
Oct 1980647.004
Sep 1980685.004
Aug 1980627.004
Jul 1980800.004
Jun 1980838.004
May 1980919.004
Apr 1980703.004
Mar 1980908.004
Feb 1980720.004
Jan 1980836.004

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

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

WellNo.OperatorStatus
J. J. O'CONNOR 'A'4Vess Oil CorporationProducing
O'Connor, J.J.2Vess Oil CorporationProducing
O'Connor, J.J.3Vess Oil CorporationProducing
O'Connor, J.J.5Vess Oil CorporationProducing
O'Connor1Vess Oil CorporationProducing

Location

39.101383, -99.602375 · NENENW Sec 13 T11S R21W

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001120318. The state’s own record.