NICHOLSON UNIT

Lease 1001121085 · Ellis County, Kansas · Sec 30 T11S R20W · DOR 110907

Oil1975–202617 wells
Operator
Landmark Resources, Inc.
Cumulative (state figure)
479,551.30 bbl
First production
1975
Last production
2026
Location (PLSS)
Sec 30 T11S R20W

Monthly oil production

553 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
430,320.30 bbl
Months filed
553
Most wells in a month
8

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 479,551.30 bbl.

MonthOil (bbl)Wells
Apr 2026490.964
Mar 2026660.974
Feb 2026328.264
Jan 2026658.644
Dec 2025334.774
Nov 2025491.134
Oct 2025654.334
Sep 2025489.124
Aug 2025486.084
Jul 2025486.384
Jun 2025487.844
May 2025653.984
Apr 2025490.594
Mar 2025490.314
Feb 2025495.174
Jan 2025495.524
Dec 2024662.034
Nov 2024328.494
Oct 2024495.284
Sep 2024487.905
Aug 2024647.735
Jul 2024486.585
Jun 2024482.145
May 2024488.245
Apr 2024490.995
Mar 2024505.725
Feb 2024483.225
Jan 2024494.635
Dec 2023489.215
Nov 2023497.075
Oct 2023657.415
Sep 2023485.025
Aug 2023486.475
Jul 2023324.195
Jun 2023481.565
May 2023494.125
Apr 2023480.295
Mar 2023491.675
Feb 2023497.895
Jan 2023489.735
Dec 2022486.935
Nov 2022330.985
Oct 2022647.595
Sep 2022481.825
Aug 2022482.125
Jul 2022484.435
Jun 2022648.485
May 2022644.045
Apr 2022654.075
Mar 2022656.755
Feb 2022492.885
Jan 2022497.335
Dec 2021481.145
Nov 2021655.105
Oct 2021653.355
Sep 2021648.705
Aug 2021486.815
Jul 2021641.855
Jun 2021645.745
May 2021486.205
Apr 2021492.125
Mar 2021662.595
Feb 2021821.605
Jan 2021657.425
Dec 2020494.895
Nov 2020655.555
Oct 2020656.325
Sep 2020649.465
Aug 2020479.205
Jul 2020654.035
Jun 2020323.975
May 2020326.695
Apr 2020164.165
Mar 2020645.335
Feb 2020823.525
Jan 2020489.165
Dec 2019652.845
Nov 2019489.195
Oct 2019805.985
Sep 2019648.795
Aug 2019487.965
Jul 2019969.225
Jun 2019646.015
May 2019651.665
Apr 2019659.805
Mar 2019670.525
Feb 2019648.005
Jan 2019825.125
Dec 2018495.385
Nov 2018494.005
Oct 2018821.255
Sep 2018654.075
Aug 2018636.405
Jul 2018648.815
Jun 2018632.855
May 2018649.435
Apr 2018817.685
Mar 2018654.555
Feb 2018658.325
Jan 2018829.465
Dec 2017819.805
Nov 2017643.195
Oct 2017813.835
Sep 2017643.025
Aug 2017969.665
Jul 2017818.465
Jun 2017806.815
May 2017972.695
Apr 2017977.825
Mar 2017823.675
Feb 20171,148.005
Jan 20171,157.675
Dec 2016637.855
Nov 2016652.545
Oct 2016327.305
Sep 2016312.615
Aug 2016808.215
Jul 2016809.265
Jun 2016486.585
May 2016650.515
Apr 2016483.175
Mar 2016647.395
Feb 2016490.025
Jan 2016660.075
Dec 2015322.125
Nov 2015813.945
Oct 2015817.395
Sep 2015649.355
Aug 2015973.975
Jul 2015646.515
Jun 2015802.225
May 2015806.115
Apr 2015647.105
Mar 2015643.945
Feb 2015650.545
Jan 2015985.905
Dec 20141,475.935
Nov 2014824.265
Oct 2014979.155
Sep 2014165.405
Aug 2014485.024
Jul 2014480.334
Jun 2014487.694
May 2014489.224
Apr 2014658.384
Mar 2014650.184
Feb 2014481.094
Jan 2014660.654
Dec 2013651.784
Nov 2013493.604
Oct 2013648.584
Sep 2013643.594
Aug 2013645.834
Jul 2013473.924
Jun 2013814.354
May 2013486.314
Apr 2013652.434
Mar 2013646.204
Feb 2013320.074
Jan 2013661.864
Dec 2012493.104
Nov 2012648.574
Oct 2012650.074
Sep 2012489.074
Aug 2012638.484
Jul 2012637.324
Jun 2012484.734
May 2012790.564
Apr 2012641.184
Mar 2012485.514
Feb 2012488.184
Jan 2012657.984
Dec 2011496.294
Nov 2011646.204
Oct 2011647.864
Sep 2011658.754
Aug 2011647.494
Jul 2011476.584
Jun 2011640.364
May 2011642.124
Apr 2011652.404
Mar 2011818.244
Feb 2011329.314
Jan 2011657.124
Dec 2010638.934
Nov 2010638.764
Oct 2010478.624
Sep 2010642.024
Aug 2010648.054
Jul 2010804.274
Jun 2010474.054
May 2010637.494
Apr 2010647.724
Mar 2010645.704
Feb 2010662.764
Jan 2010658.004
Dec 2009661.804
Nov 2009638.714
Oct 2009483.084
Sep 2009481.956
Aug 2009643.336
Jul 2009805.066
Jun 2009647.746
May 2009489.826
Apr 2009652.326
Mar 2009668.016
Feb 2009663.846
Jan 2009650.216
Dec 2008497.576
Nov 2008327.166
Oct 2008798.746
Sep 2008648.556
Aug 2008643.366
Jul 2008660.186
Jun 2008488.606
May 2008658.735
Apr 2008656.515
Mar 2008651.825
Feb 2008493.095
Jan 2008817.435
Dec 2007492.785
Nov 2007819.335
Oct 2007808.135
Sep 2007480.805
Aug 2007673.675
Jul 2007647.175
Jun 2007661.025
May 2007803.045
Apr 2007826.275
Mar 2007651.645
Feb 2007321.675
Dec 2006652.755
Nov 2006658.585
Oct 2006660.015
Sep 2006493.895
Aug 2006647.105
Jul 2006654.035
Jun 2006490.495
May 2006808.475
Apr 2006492.905
Mar 2006658.025
Feb 2006500.935
Jan 2006662.065
Dec 2005666.825
Nov 2005491.685
Oct 2005498.675
Sep 2005653.525
Aug 2005683.085
Jul 2005651.905
Jun 2005657.675
May 2005657.835
Apr 2005664.475
Mar 2005664.565
Feb 2005667.145
Jan 2005502.995
Dec 2004659.965
Nov 2004664.315
Oct 2004660.245
Sep 2004655.755
Aug 2004822.405
Jul 2004652.355
Jun 2004658.825
May 2004824.245
Apr 2004657.785
Mar 2004663.665
Feb 2004660.895
Jan 2004663.315
Dec 2003661.155
Nov 2003661.355
Oct 2003818.595
Sep 2003656.995
Aug 2003653.285
Jul 2003815.775
Jun 2003657.765
May 2003659.225
Apr 2003826.385
Mar 2003666.585
Feb 2003666.425
Jan 2003668.575
Dec 2002667.015
Nov 2002668.145
Oct 2002829.565
Sep 2002631.095
Aug 2002661.205
Jul 2002652.325
Jun 2002660.785
May 2002832.535
Apr 2002666.735
Mar 2002838.825
Feb 2002664.915
Jan 2002670.285
Dec 2001835.305
Nov 2001669.775
Oct 2001964.755
Sep 2001648.505
Aug 2001820.435
Jul 2001642.185
Jun 2001786.925
May 2001817.635
Apr 2001815.045
Mar 2001819.735
Feb 2001664.195
Jan 2001821.655
Dec 2000788.175
Nov 2000819.235
Oct 2000819.015
Sep 2000658.445
Aug 2000807.745
Jul 2000776.145
Jun 2000815.375
May 2000817.295
Apr 2000816.315
Mar 2000833.415
Feb 2000835.685
Jan 2000829.925
Dec 1999666.725
Nov 1999825.575
Oct 1999833.615
Sep 1999657.155
Aug 1999806.455
Jul 1999823.095
Jun 19991,980.545
May 1999812.215
Apr 1999824.755
Mar 1999744.688
Feb 1999836.358
Jan 1999669.698
Dec 1998666.148
Nov 1998827.298
Oct 1998806.818
Sep 1998793.328
Aug 1998834.988
Jul 1998814.438
Jun 1998823.048
May 1998986.108
Apr 1998666.458
Mar 1998813.018
Feb 1998822.028
Jan 1998835.718
Dec 1997671.508
Nov 1997819.108
Oct 1997833.028
Sep 1997801.448
Aug 1997821.738
Jul 1997820.248
Jun 19971,874.978
May 1997523.578
Apr 19972,197.548
Mar 19971,910.758
Feb 1997835.698
Jan 1997818.568
Dec 1996971.478
Nov 1996821.198
Oct 1996832.258
Sep 1996991.278
Aug 1996824.958
Jul 1996807.598
Jun 1996825.718
May 1996989.258
Apr 1996836.178
Mar 1996976.138
Feb 1996833.528
Jan 1996992.838
Dec 1995950.008
Nov 19951,003.008
Oct 1995831.008
Sep 1995941.008
Aug 1995947.008
Jul 1995964.008
Jun 1995957.008
May 1995856.008
Apr 1995960.008
Mar 19951,000.008
Feb 1995826.008
Jan 19951,172.008
Dec 1994999.008
Nov 19941,001.008
Oct 1994985.008
Sep 1994988.008
Aug 19941,003.008
Jul 19941,142.008
Jun 1994982.008
May 1994962.008
Apr 19941,117.008
Mar 1994967.008
Feb 19941,092.008
Jan 19941,119.008
Dec 1993981.008
Nov 19931,140.008
Oct 19931,155.008
Sep 19931,119.008
Aug 19931,191.008
Jul 19931,250.008
Jun 19931,294.008
May 19931,116.008
Apr 19931,296.008
Mar 19931,148.008
Feb 19931,291.008
Jan 19931,162.008
Dec 19921,311.008
Nov 19921,364.008
Oct 19921,263.008
Sep 19921,446.008
Aug 19921,081.008
Jul 19921,166.008
Jun 19921,315.008
May 19921,181.008
Apr 19921,332.008
Mar 19921,085.008
Feb 1992979.008
Jan 1992886.008
Dec 1991962.008
Nov 1991860.008
Oct 1991975.008
Sep 1991961.008
Aug 1991990.008
Jul 19911,018.008
Jun 1991968.008
May 19911,075.008
Apr 19911,101.008
Mar 19911,149.008
Feb 19911,138.008
Jan 19911,381.008
Dec 19901,332.008
Nov 19901,041.008
Oct 1990844.008
Sep 1990779.008
Aug 1990832.008
Jul 1990841.008
Jun 1990866.008
May 1990895.008
Apr 1990850.008
Mar 1990934.008
Feb 1990841.008
Jan 1990945.008
Dec 1989948.008
Nov 1989966.008
Oct 1989997.008
Sep 1989901.008
Aug 19891,095.008
Jul 19891,028.008
Jun 1989981.008
May 19891,021.008
Apr 19891,016.008
Mar 1989955.008
Feb 1989845.008
Jan 1989953.008
Dec 1988949.008
Nov 1988887.008
Oct 1988915.008
Sep 1988899.008
Aug 1988928.008
Jul 1988966.008
Jun 1988924.008
May 1988957.008
Apr 19881,024.008
Mar 1988900.008
Feb 1988838.008
Jan 1988885.008
Dec 1987861.008
Nov 1987894.008
Oct 1987915.008
Sep 1987857.008
Aug 1987928.008
Jul 1987903.008
Jun 1987911.008
May 1987921.008
Apr 19871,010.008
Mar 1987685.008
Feb 1987798.008
Jan 1987905.008
Dec 1986843.008
Nov 1986753.008
Oct 1986840.008
Sep 1986821.008
Aug 1986852.008
Jul 1986878.008
Jun 1986810.008
May 1986775.008
Apr 1986848.008
Mar 1986877.008
Feb 1986824.008
Jan 1986858.008
Dec 1985865.008
Nov 1985774.008
Oct 1985904.008
Sep 1985870.008
Aug 1985854.008
Jul 1985848.008
Jun 1985830.008
May 1985948.008
Apr 1985925.008
Mar 1985963.008
Feb 1985869.008
Jan 1985986.008
Dec 1984932.008
Nov 1984812.008
Sep 19841,011.008
Aug 1984999.008
Jun 1984985.008
May 19841,036.008
Apr 19841,002.008
Mar 1984860.008
Feb 1984814.008
Jan 1984932.008
Dec 1983807.008
Nov 1983869.008
Oct 1983924.008
Sep 1983872.008
Aug 1983957.008
Jul 1983892.008
Jun 1983880.008
May 1983909.008
Apr 1983840.008
Mar 1983921.008
Feb 1983839.008
Jan 1983889.008
Dec 19821,049.008
Nov 19821,039.008
Oct 1982904.008
Sep 1982966.008
Aug 19821,056.008
Jul 19821,088.008
Jun 19821,072.008
May 19821,144.008
Apr 1982992.008
Mar 1982994.008
Feb 1982927.008
Jan 1982896.008
Dec 19811,078.008
Nov 19811,108.008
Oct 1981998.008
Sep 1981826.008
Aug 1981746.008
Jul 1981958.008
Jun 1981937.008
May 1981956.008
Apr 1981967.008
Mar 1981971.008
Feb 1981720.008
Jan 19811,022.008
Dec 1980957.008
Nov 19801,036.008
Oct 1980948.008
Sep 1980989.008
Aug 1980935.008
Jul 19801,011.008
Jun 19801,003.008
May 19801,092.008
Apr 19801,164.008
Mar 19801,891.008
Feb 1980446.008
Jan 19801,142.008

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

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

WellNo.OperatorStatus
Nicholson1Landmark Resources, Inc.Producing
NICHOLSON6Landmark Resources, Inc.Producing
NICHOLSON5Landmark Resources, Inc.Producing
NICHOLSON3Landmark Resources, Inc.Producing
NICHOLSON4Landmark Resources, Inc.Converted to EOR Well
NICHOLSON, J.W. 'B'1unavailablePlugged and Abandoned
NICHOLSON1unavailablePlugged and Abandoned
NICHOLSON2unavailablePlugged and Abandoned
NICHOLSON1unavailablePlugged and Abandoned
NICHOLSON2unavailablePlugged and Abandoned
NICHOLSON3unavailablePlugged and Abandoned
NICHOLSON 'A'1unavailablePlugged and Abandoned
NICHOLSON4unavailablePlugged and Abandoned
NICHOLSON UNIT8Landmark Resources, Inc.Recompleted
NICHOLSON UNIT9Conoco, Inc.Plugged and Abandoned
NICHOLSON1Ritchie, A. ScottPlugged and Abandoned
Nicholson10Consolidated Oil & Gas, Inc.Plugged and Abandoned

Location

39.066174, -99.583550 · Sec 30 T11S R20W

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001121085. The state’s own record.