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MASON

Lease 1001114868 · Harper County, Kansas · CSWNW Sec 5 T33S R5W · DOR 106037

Oil1964–20265 wells
Operator
Flatlander Petroleum LLC
Cumulative (state figure)
126,654.71 bbl
First production
1964
Last production
2026
Location (PLSS)
CSWNW Sec 5 T33S R5W

Monthly oil production

269 months filed with the Kansas Geological Survey, Jan 1980 to Mar 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
43,177.70 bbl
Months filed
269
Most wells in a month
2

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 126,654.71 bbl.

MonthOil (bbl)Wells
Mar 2026165.951
Dec 2025154.941
Aug 2025150.431
May 2025160.361
Feb 2025159.621
Nov 2024157.461
Jul 2024157.411
Mar 2024160.661
Nov 2023160.541
Aug 2023160.091
Jun 2023158.091
Mar 2023157.521
Nov 2022168.201
Aug 2022160.461
May 2022158.041
Feb 2022161.401
Nov 202130.121
Oct 2021160.821
May 2020161.411
Feb 2020156.431
Oct 2019162.281
Aug 2019163.361
May 2019160.481
Jan 2019160.801
Nov 2018160.791
Oct 201827.391
Jul 2018156.461
May 2018164.711
Mar 2018160.231
Jan 2018164.041
Nov 2017157.381
Aug 2017166.001
May 2017161.741
Mar 2017162.361
Jan 2017164.071
Nov 2016160.791
Sep 2016160.151
Jul 2016162.681
May 2016163.021
Mar 2016183.701
Feb 2016161.811
Dec 2015163.261
Oct 2015164.701
Aug 2015160.431
Jul 2015160.451
Apr 2015159.931
Sep 20143.981
Jun 2014170.961
May 2014158.681
Apr 2014160.671
Feb 2014174.761
Jan 2014160.211
Oct 2013180.331
Aug 2013153.261
Jun 2013158.911
May 201321.411
Apr 2013161.261
Feb 201393.041
Jan 2013116.161
Dec 2012110.421
Nov 2012245.051
Sep 2012159.461
Aug 2012160.341
Jul 2012159.351
Apr 201254.831
Mar 201286.481
Feb 2012126.061
Jan 2012165.741
Nov 2011166.731
Oct 2011161.481
Sep 2011157.071
Aug 2011112.231
Jul 2011224.831
Jun 2011119.901
Apr 2011119.741
Mar 2011161.551
Feb 2011159.511
Jan 2011151.371
Dec 2010159.441
Nov 2010178.711
Oct 2010158.521
Sep 2010232.041
Aug 2010161.491
Jul 2010157.741
Jun 2010110.151
May 201059.881
Mar 201049.951
Feb 201078.611
Dec 200937.811
Nov 200960.681
Oct 200961.731
Sep 200966.821
Aug 200970.521
Jul 2009152.031
May 200976.651
Apr 2009100.151
Mar 2009101.831
Jan 2009155.911
Nov 2008161.051
Jun 2008133.431
May 200823.381
Apr 2008163.681
Feb 2008162.521
Jan 2008164.461
Nov 2007153.151
Sep 2007156.981
Aug 2007156.371
Jul 2007159.581
May 2007163.711
Apr 2007220.181
Feb 2007159.371
Jan 2007161.521
Dec 20062.921
Nov 2006158.711
Sep 2006163.211
Jul 2006154.221
May 2006163.001
Apr 2006163.531
Feb 2006163.691
Dec 2005164.641
Nov 2005164.851
Oct 2005159.471
Sep 2005160.241
Jul 2005162.791
Jun 2005163.261
May 2005161.811
Apr 2005162.611
Mar 2005139.911
Feb 2005163.181
Dec 2004166.421
Nov 2004162.581
Oct 2004163.781
Sep 2004162.181
Aug 2004160.241
Jul 2004163.191
Jun 2004164.761
May 2004342.431
Mar 2004162.631
Nov 2003159.681
Apr 2002166.131
Jan 2002165.901
Nov 2001166.111
Oct 2001162.981
Sep 2001156.661
Aug 2001162.501
Jul 2001157.981
Jul 200046.751
Jun 1995103.002
Feb 1995166.002
Dec 1994174.002
Sep 1994165.002
Jul 1994165.002
Jun 1994167.002
Mar 1994166.002
Jan 1994165.002
Nov 1993160.002
Sep 1993165.002
Jul 1993160.002
Jun 1993161.002
Apr 1993165.002
Mar 1993193.002
Dec 1992163.002
Oct 1992163.002
Sep 1992167.002
Jul 1992165.002
May 1992163.002
Mar 1992163.002
Jan 1992162.002
Dec 1991167.002
Oct 1991168.002
Aug 1991166.002
Jun 1991167.002
Apr 1991165.002
Mar 1991171.002
Jan 1991193.002
Nov 1990168.002
Sep 1990160.002
Aug 1990166.002
Jun 1990165.002
May 199050.002
Apr 1990168.002
Mar 1990167.002
Feb 199027.002
Jan 1990168.001
Oct 1989168.002
Sep 1989166.002
Jul 1989167.002
Jun 1989167.002
Apr 1989167.002
Mar 1989170.002
Jan 1989170.002
Dec 1988167.002
Oct 1988165.002
Sep 1988167.002
Jul 1988165.002
May 1988163.002
Apr 1988195.002
Feb 1988208.002
Jan 1988174.002
Nov 1987170.002
Oct 1987168.002
Aug 1987166.002
Jun 1987163.002
May 1987166.002
Apr 1987161.002
Mar 1987161.002
Jan 1987167.002
Dec 1986199.002
Oct 1986164.002
Sep 1986193.002
Jul 1986191.002
May 1986165.002
Mar 1986160.002
Feb 1986167.002
Jan 1986167.002
Nov 1985170.002
Oct 1985196.002
Aug 1985165.002
Jul 1985194.002
May 1985164.002
Apr 1985195.002
Mar 1985199.002
Jan 1985194.002
Dec 1984167.002
Oct 1984168.002
Sep 1984188.002
Aug 1984161.002
Jul 1984194.002
May 1984161.002
Apr 1984163.002
Mar 1984174.002
Jan 1984195.002
Dec 1983196.002
Oct 1983195.002
Sep 1983197.002
Aug 1983185.002
Jun 1983175.002
May 1983166.002
Apr 1983218.002
Mar 1983204.002
Jan 1983168.002
Dec 1982167.002
Nov 1982218.002
Sep 1982375.002
Jul 1982195.002
Jun 1982218.002
Apr 1982164.002
Mar 1982161.002
Feb 1982157.002
Jan 1982173.002
Dec 1981172.002
Nov 1981217.002
Aug 1981213.002
Jul 1981214.002
Jun 1981214.002
May 1981203.002
Mar 1981156.002
Jan 1981354.002
Dec 1980194.002
Nov 1980157.002
Oct 1980186.002
Sep 1980212.002
Aug 1980167.002
Jul 1980205.002
Jun 1980211.002
May 1980168.002
Apr 1980211.002
Mar 1980162.002
Jan 1980214.002

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
Mason1White Pine Petroleum CorporationPlugged and Abandoned
Mason Trust2Flatlander Petroleum LLCProducing
Mason, C.1unavailablePlugged and Abandoned
Mason Trust4White Pine Petroleum CorporationExpired Intent to Drill (C-1)
Mason Trust3White Pine Petroleum CorporationPlugged and Abandoned

Location

37.206095, -97.890710 · CSWNW Sec 5 T33S R5W

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001114868. The state’s own record.