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SIEFKES (A)

Lease 1001116011 · Stafford County, Kansas · SWNENE Sec 34 T21S R12W · DOR 107168

Oil1964–202610 wells
Operator
Farmer, John O., Inc.
Cumulative (state figure)
340,144.06 bbl
First production
1964
Last production
2026
Location (PLSS)
SWNENE Sec 34 T21S R12W

Monthly oil production

522 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
135,845.10 bbl
Months filed
522
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 340,144.06 bbl.

MonthOil (bbl)Wells
Apr 2026156.123
Mar 2026154.693
Jan 2026158.823
Dec 2025165.903
Nov 2025155.813
Sep 2025150.763
Jul 2025147.083
Jun 2025155.353
Apr 2025140.593
Mar 2025163.363
Feb 2025154.633
Jan 2025163.943
Dec 2024156.563
Oct 2024152.403
Sep 2024157.943
Aug 2024162.453
Jun 2024159.133
May 2024164.653
Apr 2024155.893
Mar 2024161.553
Feb 2024159.113
Jan 2024158.823
Dec 2023152.453
Nov 2023315.743
Oct 2023163.493
Sep 2023154.333
Aug 2023158.593
Jul 2023156.223
Jun 2023159.173
May 2023155.543
Apr 2023154.953
Mar 2023157.143
Feb 2023158.043
Jan 2023318.223
Dec 2022163.473
Nov 2022153.713
Oct 2022156.363
Sep 2022150.953
Aug 2022158.023
Jun 2022307.762
May 2022155.142
Apr 2022160.792
Mar 2022162.942
Feb 2022162.072
Jan 2022324.482
Dec 2021155.672
Nov 2021162.912
Oct 2021155.682
Sep 2021160.652
Aug 2021157.582
Jul 2021162.802
Jun 2021155.752
May 2021159.592
Apr 2021159.312
Mar 2021158.172
Feb 2021161.462
Jan 2021157.652
Dec 2020162.732
Nov 2020161.212
Sep 2020155.752
Aug 2020160.062
Jul 2020158.572
May 2020162.943
Mar 2020160.143
Feb 2020163.893
Jan 2020159.993
Dec 2019160.383
Nov 2019160.803
Oct 2019161.743
Sep 2019153.043
Aug 2019161.113
Jul 2019159.493
Jun 2019161.393
May 2019162.643
Apr 2019162.743
Mar 2019159.383
Feb 2019351.053
Dec 2018161.663
Nov 2018164.693
Oct 2018157.153
Sep 2018157.093
Aug 2018160.353
Jul 2018160.513
Jun 2018160.503
May 2018159.683
Apr 2018163.073
Mar 2018162.993
Feb 2018169.153
Jan 2018168.523
Dec 2017165.073
Nov 2017167.043
Sep 2017159.683
Aug 2017160.983
Jul 2017163.353
Jun 2017159.313
May 2017164.643
Apr 2017163.033
Mar 2017163.903
Feb 2017159.033
Jan 2017164.463
Dec 2016326.273
Nov 2016162.813
Sep 2016327.143
Aug 2016160.453
Jul 2016161.573
Jun 2016168.683
May 2016163.763
Apr 2016169.083
Mar 2016160.773
Feb 2016167.403
Jan 2016161.763
Dec 2015163.683
Nov 2015164.503
Oct 2015165.273
Sep 2015158.623
Aug 2015164.503
Jul 2015162.603
Jun 2015165.283
May 2015163.033
Apr 2015161.853
Mar 2015160.453
Feb 2015161.283
Jan 2015165.653
Dec 2014165.313
Nov 2014163.823
Oct 2014166.663
Sep 2014171.413
Aug 2014164.393
Jul 2014163.853
Jun 2014160.703
May 2014161.972
Apr 2014166.012
Mar 2014164.672
Feb 2014165.472
Jan 2014165.582
Dec 2013327.662
Nov 2013167.372
Oct 2013161.042
Sep 2013164.152
Aug 2013161.762
Jul 2013164.662
Jun 2013161.352
May 2013154.622
Apr 2013162.482
Mar 2013167.572
Feb 2013162.632
Jan 2013167.932
Dec 2012160.342
Nov 2012163.322
Oct 2012162.292
Sep 2012163.282
Aug 2012201.102
Jul 2012158.052
Jun 2012159.472
May 2012179.872
Apr 2012161.052
Mar 2012163.812
Feb 2012162.862
Jan 2012321.822
Dec 2011167.062
Nov 2011156.122
Oct 2011161.862
Sep 2011158.722
Jul 2011156.052
Jun 2011161.532
May 2011165.322
Apr 2011162.712
Mar 2011162.452
Jan 2011166.392
Dec 2010164.972
Nov 2010162.302
Oct 2010163.492
Sep 2010162.092
Jul 2010156.612
Jun 2010160.672
May 2010162.812
Apr 2010156.963
Mar 2010158.283
Feb 2010165.133
Jan 2010169.193
Nov 2009160.393
Oct 2009167.853
Sep 2009161.933
Aug 2009160.663
Jul 2009162.233
Jun 2009161.183
May 2009160.193
Apr 2009168.123
Mar 2009162.763
Feb 2009162.413
Jan 2009167.373
Dec 2008327.243
Nov 2008168.183
Oct 2008164.023
Sep 2008165.803
Aug 2008158.723
Jul 2008318.673
Jun 2008163.773
May 2008161.833
Apr 2008157.873
Mar 2008326.773
Feb 2008164.073
Jan 2008165.203
Dec 2007161.933
Nov 2007165.163
Oct 2007162.163
Sep 2007326.033
Aug 2007163.723
Jul 2007162.163
Jun 2007167.003
May 2007319.503
Apr 2007160.093
Mar 2007164.863
Feb 2007164.663
Jan 2007170.263
Dec 2006161.863
Nov 2006331.223
Oct 2006161.083
Sep 2006158.683
Aug 2006160.213
Jul 2006320.453
Jun 2006162.413
May 2006163.253
Apr 2006161.583
Mar 2006333.223
Feb 2006163.353
Jan 2006166.613
Dec 2005165.813
Nov 2005328.353
Oct 2005168.653
Sep 2005158.323
Aug 2005320.353
Jul 2005162.273
Jun 2005161.893
May 2005332.433
Apr 2005160.263
Mar 2005162.693
Feb 2005166.123
Jan 2005329.863
Dec 2004161.203
Nov 2004165.913
Oct 2004161.553
Sep 2004160.953
Aug 2004319.893
Jul 2004157.083
Jun 2004159.553
May 2004163.183
Apr 2004160.253
Mar 2004328.223
Feb 2004163.263
Jan 2004162.683
Dec 2003330.623
Nov 2003166.313
Oct 2003161.743
Sep 2003322.873
Aug 2003162.133
Jul 2003161.163
Jun 2003161.273
May 2003324.683
Apr 2003335.413
Mar 2003164.243
Feb 2003165.753
Jan 2003331.493
Dec 2002162.723
Oct 2002165.053
Sep 2002157.803
Aug 2002159.573
Jun 2002164.943
Mar 2002160.003
Jan 2002162.813
Oct 2001162.933
Aug 2001160.303
Jun 2001164.203
Apr 2001326.793
Mar 2001162.623
Feb 2001169.603
Jan 2001161.393
Dec 2000166.593
Nov 2000162.433
Oct 2000165.163
Sep 2000158.063
Aug 2000161.343
Jul 2000160.173
Jun 2000322.493
May 2000161.263
Apr 2000160.953
Mar 2000164.443
Feb 2000329.503
Jan 2000324.643
Dec 1999328.213
Nov 1999158.513
Oct 1999158.223
Aug 1999122.173
Apr 1999163.752
Mar 1999165.182
Feb 1999334.492
Jan 1999165.312
Dec 1998166.262
Nov 1998320.202
Oct 1998163.142
Sep 1998325.622
Aug 1998161.952
Jul 1998321.362
Jun 1998321.292
May 1998164.123
Apr 1998163.593
Mar 1998165.033
Feb 1998326.823
Jan 1998163.893
Dec 1997324.883
Nov 1997165.263
Oct 1997157.883
Sep 1997158.003
Aug 1997319.463
Jul 1997154.973
Jun 1997322.743
May 1997157.543
Apr 1997305.733
Mar 1997160.873
Feb 1997317.723
Jan 1997158.213
Dec 1996165.693
Nov 1996327.303
Oct 1996165.853
Sep 1996328.083
Aug 1996164.993
Jul 1996317.353
Jun 1996324.403
May 1996165.173
Apr 1996330.863
Mar 1996166.703
Feb 1996328.163
Jan 1996334.663
Dec 1995162.003
Nov 1995168.003
Oct 1995324.003
Sep 1995330.003
Aug 1995161.003
Jul 1995164.003
Jun 1995310.003
May 1995166.003
Apr 1995333.003
Mar 1995166.003
Feb 1995334.003
Jan 1995323.003
Dec 1994168.003
Nov 1994334.003
Oct 1994166.003
Sep 1994330.003
Aug 1994329.003
Jul 1994165.003
Jun 1994315.003
May 1994326.003
Apr 1994167.003
Mar 1994332.003
Feb 1994335.003
Jan 1994167.003
Dec 1993334.003
Nov 1993278.003
Oct 1993330.003
Sep 1993164.003
Aug 1993327.003
Jul 1993312.003
Jun 1993331.003
May 1993333.003
Apr 1993332.003
Mar 1993331.003
Feb 1993165.003
Jan 1993167.003
Dec 1992334.003
Nov 1992167.003
Oct 1992331.003
Sep 1992331.003
Aug 1992162.003
Jul 1992327.003
Jun 1992330.003
May 1992166.003
Apr 1992333.003
Mar 1992328.003
Feb 1992167.003
Jan 1992332.003
Dec 1991331.003
Nov 1991166.003
Oct 1991330.003
Sep 1991326.003
Aug 1991329.003
Jul 1991164.003
Jun 1991318.003
May 1991326.003
Apr 1991328.003
Mar 1991169.003
Feb 1991334.003
Jan 1991334.003
Dec 1990332.003
Nov 1990156.003
Oct 1990325.003
Sep 1990328.003
Aug 1990323.003
Jul 1990320.003
Jun 1990327.003
May 1990325.003
Apr 1990334.003
Mar 1990157.003
Feb 1990331.003
Jan 1990332.003
Dec 1989326.003
Nov 1989333.003
Oct 1989325.003
Sep 1989208.003
Aug 1989324.003
Jul 1989328.003
Jun 1989329.003
May 1989325.003
Apr 1989329.003
Mar 1989336.003
Feb 1989322.003
Jan 1989332.003
Dec 1988333.003
Nov 1988326.003
Oct 1988331.003
Sep 1988329.003
Aug 1988325.003
Jul 1988320.003
Jun 1988485.003
May 1988330.003
Apr 1988331.003
Mar 1988333.003
Feb 1988336.003
Jan 1988504.003
Dec 1987497.003
Nov 1987334.003
Oct 1987496.003
Sep 1987494.003
Aug 1987822.003
Jul 1987484.003
Jun 1987330.003
May 1987497.003
Apr 1987333.003
Mar 1987503.003
Feb 1987335.003
Jan 1987502.003
Dec 1986502.003
Nov 1986505.003
Oct 1986425.003
Sep 1986493.003
Aug 1986654.003
Jul 1986653.003
Jun 1986491.003
May 1986496.003
Apr 1986658.003
Mar 1986501.003
Feb 1986674.003
Jan 1986843.003
Dec 19851,174.003
Nov 19851,340.003
Oct 1985819.003
Sep 1985163.003
Jul 1985166.003
Jun 1985166.003
Apr 1985166.003
Mar 1985168.003
Jan 1985165.003
Dec 1984168.003
Nov 1984152.003
Oct 1984166.003
Sep 1984164.003
Aug 1984165.003
Jul 1984164.003
Jun 1984329.003
May 1984165.003
Apr 1984332.003
Mar 1984169.003
Feb 1984309.003
Jan 1984170.003
Dec 1983330.003
Nov 1983168.003
Oct 1983342.003
Sep 1983144.003
Aug 19835,603.003
Jul 1983168.003
Jun 1983167.003
May 1983335.003
Apr 1983309.003
Mar 1983170.003
Feb 1983329.003
Jan 1983335.003
Dec 1982322.003
Nov 1982170.003
Oct 1982334.003
Sep 1982335.003
Aug 1982333.003
Jul 1982301.003
Jun 1982335.003
May 1982490.003
Apr 1982159.003
Mar 1982519.003
Feb 1982330.003
Jan 1982346.003
Dec 1981327.003
Nov 1981342.003
Oct 1981339.003
Sep 1981502.003
Aug 1981314.003
Jul 1981323.003
Jun 1981591.003
May 1981331.003
Apr 1981498.003
Mar 1981501.003
Feb 1981331.003
Jan 1981661.003
Dec 1980663.003
Nov 1980332.003
Oct 1980660.003
Sep 1980497.003
Aug 1980799.003
Jul 1980815.003
Jun 19801,000.003
May 19801,152.003
Apr 19801,275.003
Mar 19801,286.003
Feb 1980335.003
Jan 1980162.003

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

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

WellNo.OperatorStatus
Siefkes 'A'1Farmer, John O., Inc.Plugged and Abandoned
E. Siefkes 'D'3unavailablePlugged and Abandoned
Siefkes3Elysium Energy, L.L.C.Recompleted
Siefkes 'A'3Farmer, John O., Inc.Producing
Siefkes4unavailableConverted to SWD Well
SIEFKES 'A'4Farmer, John O., Inc.Authorized Injection Well
SIEFKES 'A'5Farmer, John O., Inc.Producing
SIEFKES 'A'6Phillips Petroleum Co.Plugged and Abandoned
Robert Siefkes 'A'1NPF Energy CorporationPlugged and Abandoned
E. SIEFKES1unavailablePlugged and Abandoned

Location

38.184990, -98.623031 · SWNENE Sec 34 T21S R12W

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001116011. The state’s own record.