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SPENA B

Lease 1001121786 · Trego County, Kansas · Sec 31 T11S R22W · DOR 111267

Oil1977–20262 wells
Operator
Ritchie Exploration, Inc.
Cumulative (state figure)
96,445.49 bbl
First production
1977
Last production
2026
Location (PLSS)
Sec 31 T11S R22W

Monthly oil production

297 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
66,120.50 bbl
Months filed
297
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 96,445.49 bbl.

MonthOil (bbl)Wells
Mar 2026153.841
Sep 2025158.811
Mar 2025157.341
Aug 2024157.661
Feb 2024161.781
Jul 2023155.761
Dec 2022158.401
May 2022162.831
Feb 20229.101
Oct 2021164.261
Jul 202112.901
Jun 202115.121
Apr 202114.841
Mar 2021158.971
Nov 2020163.341
Mar 2020166.311
Aug 2019163.641
Feb 2019164.521
Jul 2018163.271
Jan 2018165.731
Jun 2017161.961
Dec 2016166.411
Jun 2016160.651
May 2016163.221
Jul 2015162.981
Dec 2014162.391
Jul 2014155.931
Jan 2014161.861
Jul 2013164.712
Feb 2013167.002
Aug 2012164.212
Mar 2012165.762
Oct 2011160.652
May 2011162.612
Jan 2011174.302
Oct 2010164.042
Aug 2010161.322
Jun 2010161.672
Apr 2010158.902
Mar 2010166.202
Jan 2010164.672
Nov 2009160.042
Aug 2009164.292
Jul 2009159.642
May 2009161.742
Mar 2009158.842
Feb 2009161.502
Dec 2008163.242
Oct 2008164.902
Sep 2008159.102
Jul 2008161.722
May 2008163.832
Apr 2008164.322
Mar 2008160.102
Feb 2008166.142
Dec 2007163.212
Nov 2007165.462
Aug 2007161.862
Apr 2007164.532
Jan 2007169.232
Oct 2006164.932
Jul 2006160.572
Apr 2006163.812
Jan 2006167.122
Oct 2005164.302
Jul 2005160.532
Apr 2005162.882
Jan 2005168.102
Nov 2004167.112
Aug 2004163.962
Jun 2004162.572
Mar 2004164.242
Dec 2003163.072
Oct 2003164.462
Jul 2003164.172
May 2003167.442
Feb 2003168.082
Dec 2002166.852
Oct 2002164.972
Jul 2002163.182
May 2002161.382
Mar 2002163.812
Jan 2002165.942
Nov 2001163.992
Sep 2001160.412
Jul 2001160.022
May 2001161.492
Mar 2001164.732
Jan 2001164.052
Nov 2000164.182
Sep 2000160.972
Aug 2000159.942
Jun 2000161.172
Apr 2000163.092
Feb 2000162.332
Jan 2000327.062
Nov 1999162.802
Sep 1999160.042
Jul 1999160.782
Jun 1999162.532
Apr 1999164.092
Feb 1999164.132
Jan 1999162.132
Oct 199815.262
Sep 1998322.602
Jun 1998161.632
May 1998162.132
Mar 1998166.442
Jan 1998161.982
Dec 1997166.862
Oct 1997160.942
Aug 1997162.672
Jul 1997160.712
May 1997162.952
Apr 1997162.792
Mar 1997164.292
Jan 1997164.042
Nov 1996162.542
Oct 1996162.292
Aug 1996158.692
Jul 1996160.012
May 1996160.562
Apr 1996165.362
Feb 1996165.812
Jan 1996182.992
Nov 1995165.001
Oct 1995163.001
Sep 1995162.001
Jul 1995157.001
Jun 1995160.001
Apr 1995163.001
Mar 1995162.001
Feb 1995163.001
Dec 1994166.001
Nov 1994165.001
Sep 1994157.001
Aug 1994155.001
Jul 1994160.001
May 1994159.001
Apr 1994165.001
Mar 1994162.001
Feb 1994163.001
Jan 1994164.001
Nov 1993165.001
Oct 1993154.001
Sep 1993161.001
Jul 1993159.001
Jun 1993176.001
Apr 1993164.001
Mar 1993164.001
Dec 1992165.001
Nov 1992166.001
Sep 1992162.001
Aug 1992163.001
Jun 1992161.001
May 1992164.001
Apr 1992161.001
Feb 1992159.001
Jan 1992161.001
Dec 1991165.001
Oct 1991160.001
Sep 1991162.001
Aug 1991162.001
Jul 1991162.001
May 1991162.001
Apr 1991164.001
Mar 1991164.001
Feb 1991329.001
Dec 1990165.001
Oct 1990164.001
Sep 1990163.001
Aug 1990162.001
Jul 1990157.001
Jun 1990162.001
Apr 1990161.001
Mar 1990164.001
Feb 1990165.001
Jan 1990165.001
Dec 1989165.001
Nov 1989164.001
Oct 1989161.001
Sep 1989162.001
Aug 1989161.001
Jun 1989154.001
May 1989162.001
Apr 1989148.001
Mar 1989163.001
Feb 1989164.001
Jan 1989167.001
Dec 1988165.001
Nov 1988167.001
Oct 1988164.001
Sep 1988329.001
Aug 1988160.001
Jul 1988148.001
Jun 1988160.001
May 1988163.001
Apr 1988163.001
Mar 1988165.001
Feb 1988163.001
Jan 1988332.001
Dec 1987163.001
Nov 1987160.001
Oct 1987161.001
Sep 1987162.001
Aug 1987163.001
Jul 1987159.001
Jun 1987162.001
May 1987324.001
Apr 1987163.001
Mar 1987166.001
Feb 1987162.001
Jan 1987166.001
Dec 1986328.001
Nov 1986162.001
Oct 1986162.001
Sep 1986161.001
Aug 1986162.001
Jul 1986160.001
Jun 1986161.001
May 1986162.001
Apr 1986317.001
Mar 1986165.001
Feb 1986165.001
Jan 1986161.001
Dec 1985334.001
Nov 1985165.001
Oct 1985165.001
Sep 1985310.001
Aug 1985161.001
Jul 1985323.001
Jun 1985164.001
May 1985325.001
Apr 1985161.001
Mar 1985165.001
Feb 1985333.001
Jan 1985166.001
Dec 1984330.001
Nov 1984165.001
Oct 1984327.001
Sep 1984149.001
Aug 1984323.001
Jul 1984312.001
Jun 1984164.001
May 1984311.001
Apr 1984325.001
Mar 1984331.001
Feb 1984330.001
Jan 1984165.001
Dec 1983328.001
Nov 1983329.001
Oct 1983321.001
Sep 1983322.001
Aug 1983319.001
Jul 1983320.001
Jun 1983317.001
May 1983326.001
Apr 1983492.001
Mar 1983163.001
Feb 1983493.001
Jan 1983331.001
Dec 1982320.001
Nov 1982313.001
Oct 1982488.001
Sep 1982324.001
Aug 1982324.001
Jul 1982484.001
Jun 1982317.001
May 1982511.001
Apr 1982411.001
Mar 1982343.001
Feb 1982439.001
Jan 1982395.001
Dec 1981621.001
Nov 1981378.001
Oct 1981419.001
Sep 1981652.001
Aug 1981379.001
Jul 1981615.001
Jun 1981588.001
May 1981418.001
Apr 1981418.001
Mar 1981569.001
Feb 1981570.001
Jan 1981537.001
Dec 1980603.001
Nov 1980573.001
Oct 1980653.001
Sep 1980636.001
Aug 1980579.001
Jul 1980683.001
Jun 1980733.001
May 1980784.001
Apr 1980783.001
Mar 1980508.001
Feb 1980722.001
Jan 1980804.001

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

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

WellNo.OperatorStatus
Spena 'B'1Ritchie Exploration, Inc.Plugged and Abandoned
Spena 'B'2Ritchie Exploration, Inc.Producing

Location

39.051861, -99.806023 · Sec 31 T11S R22W

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001121786. The state’s own record.