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COLAHAN B

Lease 1001117310 · Ellis County, Kansas · SWNWNW Sec 25 T11S R17W · DOR 107857

Oil1940–202630 wells
Operator
Vess Oil Corporation
Cumulative (state figure)
8,649,958.96 bbl
First production
1940
Last production
2026
Location (PLSS)
SWNWNW Sec 25 T11S R17W

Monthly oil production

543 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
1,015,895.00 bbl
Months filed
543
Most wells in a month
17

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 8,649,958.96 bbl.

MonthOil (bbl)Wells
Apr 2026998.989
Mar 2026852.719
Feb 2026778.829
Jan 2026912.489
Dec 2025970.029
Nov 2025935.399
Oct 2025967.159
Sep 2025802.939
Aug 2025911.119
Jul 2025828.999
Jun 2025890.099
May 2025909.339
Apr 2025880.639
Mar 2025813.469
Feb 2025746.219
Jan 2025890.779
Dec 2024917.259
Nov 2024926.719
Oct 20241,027.299
Sep 2024884.869
Aug 2024991.829
Jul 2024965.669
Jun 2024948.329
May 2024977.709
Apr 2024979.219
Mar 20241,005.379
Feb 2024942.889
Jan 2024894.719
Dec 2023911.109
Nov 2023877.879
Oct 2023975.229
Sep 2023971.559
Aug 20231,048.769
Jul 20231,044.729
Jun 20231,018.009
May 20231,010.859
Apr 2023947.309
Mar 20231,089.159
Feb 2023989.039
Jan 20231,046.649
Dec 20221,021.569
Nov 20221,052.829
Oct 20221,026.139
Sep 20221,059.589
Aug 20221,197.669
Jul 20221,270.349
Jun 20221,081.779
May 20221,025.419
Apr 2022939.439
Mar 2022965.779
Feb 2022921.259
Jan 2022411.599
Dec 2021461.649
Nov 2021984.9411
Oct 20211,005.1511
Sep 20211,038.1511
Aug 20211,028.6611
Jul 20211,114.3911
Jun 20211,055.9011
May 20211,034.3711
Apr 20211,033.7311
Mar 20211,042.7411
Feb 2021819.0011
Jan 20211,072.0111
Dec 20201,019.6011
Nov 20201,021.4611
Oct 20201,069.5211
Sep 20201,044.0211
Aug 20201,023.7011
Jul 20201,018.5911
Jun 20201,207.1011
May 20201,175.3811
Apr 2020951.2811
Mar 20201,087.5711
Feb 2020970.2211
Jan 20201,095.5811
Dec 20191,066.8911
Nov 2019978.2011
Oct 2019911.0411
Sep 2019995.6311
Aug 20191,045.9111
Jul 2019981.3411
Jun 20191,082.6911
May 20191,207.1311
Apr 20191,100.1211
Mar 2019927.7611
Feb 2019845.2711
Jan 20191,174.6511
Dec 20181,170.5811
Nov 20181,076.4811
Oct 20181,107.6311
Sep 20181,139.3011
Aug 20181,144.5611
Jul 20181,187.5211
Jun 20181,073.8511
May 20181,187.9311
Apr 20181,079.2011
Mar 20181,153.8611
Feb 20181,156.1111
Jan 20181,195.5411
Dec 20171,296.1511
Nov 20171,316.9411
Oct 20171,333.0811
Sep 20171,229.4211
Aug 20171,350.7411
Jul 20171,421.0911
Jun 20171,375.8711
May 20171,406.7411
Apr 20171,231.7911
Mar 2017888.2811
Feb 20171,061.7811
Jan 20171,187.8811
Dec 20161,137.6811
Nov 20161,046.4411
Oct 20161,135.0111
Sep 20161,111.4511
Aug 20161,112.1911
Jul 20161,228.0911
Jun 20161,118.1811
May 2016932.1811
Apr 20161,094.2511
Mar 20161,076.3111
Feb 20161,094.9511
Jan 20161,160.0511
Dec 20151,117.7611
Nov 20151,207.3211
Oct 20151,228.6011
Sep 20151,169.2311
Aug 20151,146.1511
Jul 20151,166.2011
Jun 20151,241.1011
May 20151,320.8311
Apr 20151,153.4511
Mar 20151,298.7011
Feb 20151,216.9011
Jan 20151,336.5511
Dec 20141,258.6111
Nov 20141,228.1211
Oct 20141,220.0011
Sep 20141,137.1311
Aug 20141,292.9511
Jul 20141,326.8111
Jun 20141,325.3311
May 20141,420.9311
Apr 20141,460.6311
Mar 20141,471.8111
Feb 20141,291.0211
Jan 20141,513.3511
Dec 20131,513.7111
Nov 20131,309.6311
Oct 20131,495.1911
Sep 20131,437.1111
Aug 20131,503.1111
Jul 20131,535.3311
Jun 20131,461.9611
May 20131,684.3211
Apr 20131,663.9511
Mar 20131,717.2711
Feb 20131,661.2711
Jan 20131,652.2011
Dec 20121,877.8411
Nov 20121,892.6811
Oct 20121,524.3111
Sep 20121,519.3811
Aug 20121,589.5311
Jul 20121,519.1211
Jun 20121,502.4411
May 20121,447.4111
Apr 20121,493.1511
Mar 20121,343.8011
Feb 20121,498.3711
Jan 20121,648.8211
Dec 20111,662.0511
Nov 20111,577.3711
Oct 20111,651.5211
Sep 20111,626.0111
Aug 20111,714.8811
Jul 20111,794.6311
Jun 20111,658.6011
May 20111,534.6611
Apr 20111,518.3211
Mar 20111,689.8211
Feb 20111,283.2911
Jan 20111,469.5511
Dec 20101,671.2511
Nov 20101,741.4811
Oct 20101,660.069
Sep 20101,801.869
Aug 20101,895.859
Jul 20101,875.619
Jun 20101,866.889
May 20101,983.289
Apr 20101,857.559
Mar 20102,235.849
Feb 20102,057.509
Jan 20102,601.109
Dec 20092,935.969
Nov 20092,545.479
Oct 20091,808.729
Sep 20091,620.299
Aug 20091,617.069
Jul 20091,709.759
Jun 20091,729.659
May 20092,120.509
Apr 20092,046.379
Mar 20091,823.439
Feb 2009965.979
Jan 2009996.559
Dec 20081,043.439
Nov 2008869.899
Oct 20081,151.419
Sep 2008943.369
Aug 20081,292.809
Jul 2008781.619
Jun 2008998.259
May 2008945.039
Apr 2008987.809
Mar 20081,141.139
Feb 20081,003.409
Jan 20081,169.769
Dec 20071,145.019
Nov 20071,091.999
Oct 20071,110.279
Sep 20071,100.039
Aug 20071,006.409
Jul 20071,184.249
Jun 20071,188.408
May 20071,176.359
Apr 20071,233.798
Mar 20071,388.828
Feb 20071,204.398
Jan 20071,626.068
Dec 2006844.158
Nov 2006909.558
Oct 2006998.738
Sep 2006953.378
Aug 2006929.978
Jul 2006887.768
Jun 2006904.688
May 20061,033.438
Apr 2006999.708
Mar 20061,055.508
Feb 2006975.628
Jan 20061,064.738
Dec 2005976.548
Nov 2005918.428
Oct 2005895.138
Sep 2005888.188
Aug 2005901.908
Jul 2005958.228
Jun 20051,009.268
May 2005837.078
Apr 2005787.748
Mar 2005892.678
Feb 2005694.908
Jan 2005884.978
Dec 2004940.058
Nov 2004910.148
Oct 2004921.218
Sep 2004896.638
Aug 2004908.528
Jul 2004892.548
Jun 2004863.568
May 2004934.348
Apr 2004955.708
Mar 2004964.998
Feb 2004932.348
Jan 2004893.468
Dec 2003949.568
Nov 2003848.288
Oct 2003776.718
Sep 2003780.438
Aug 2003670.448
Jul 2003850.258
Jun 2003809.748
May 2003779.368
Apr 2003743.368
Mar 2003819.168
Feb 2003707.148
Jan 2003809.768
Dec 2002758.788
Nov 2002768.468
Oct 2002823.138
Sep 2002858.548
Aug 2002899.768
Jul 2002894.658
Jun 2002836.038
May 2002791.578
Apr 2002862.288
Mar 2002873.118
Feb 2002666.298
Jan 2002840.758
Dec 2001954.668
Nov 2001896.218
Oct 2001919.258
Sep 2001893.178
Aug 2001893.978
Jul 2001903.818
Jun 20011,009.808
May 20011,049.048
Apr 2001978.608
Mar 2001914.338
Feb 2001804.418
Jan 2001948.338
Dec 20001,115.508
Nov 20001,122.758
Oct 20001,175.788
Sep 20001,080.478
Aug 20001,030.548
Jul 20001,103.708
Jun 2000965.968
May 20001,027.508
Apr 20001,129.908
Mar 20001,083.718
Feb 20001,072.728
Jan 20001,204.358
Dec 19991,173.258
Nov 19991,094.838
Oct 19991,219.528
Sep 19991,125.908
Aug 19991,167.648
Jul 19991,134.138
Jun 19991,107.338
May 19991,177.378
Apr 19991,004.648
Mar 19991,234.468
Feb 19991,048.9817
Jan 19991,173.3817
Dec 19981,231.0717
Nov 19981,164.8317
Oct 19981,347.8017
Sep 19981,218.4017
Aug 19981,301.0617
Jul 19981,282.5417
Jun 1998877.1617
May 19981,418.1917
Apr 19981,319.0817
Mar 19981,165.1017
Feb 19981,010.9417
Jan 19981,269.3317
Dec 19971,521.1317
Nov 19971,297.4217
Oct 19971,347.3517
Sep 19971,357.0517
Aug 19971,306.6317
Jul 19971,495.9717
Jun 19971,573.7817
May 19971,571.3617
Apr 19971,148.2717
Mar 19971,150.1517
Feb 19971,271.9917
Jan 19971,044.4217
Dec 19961,147.6717
Nov 19961,133.3217
Oct 19961,189.9717
Sep 19961,259.0117
Aug 19961,157.6617
Jul 19961,279.7617
Jun 19961,380.6317
May 19961,237.0117
Apr 19961,121.8417
Mar 19961,105.9517
Feb 19961,121.3017
Jan 19961,244.2617
Dec 19951,301.0017
Nov 19951,503.0017
Oct 19951,428.0017
Sep 19951,530.0017
Aug 19951,245.0017
Jul 19951,437.0017
Jun 19951,397.0017
May 19951,420.0017
Apr 19951,348.0017
Mar 19951,549.0017
Feb 19951,445.0017
Jan 19951,696.0017
Dec 19941,839.0017
Nov 19941,255.0017
Oct 19941,260.0017
Sep 19941,360.0017
Aug 19941,270.0017
Jul 19941,529.0017
Jun 19941,574.0017
May 19941,041.0017
Apr 19941,094.0017
Mar 19941,011.0017
Feb 1994837.0017
Jan 1994781.0017
Dec 1993831.0017
Nov 19931,162.0017
Oct 19931,171.0017
Sep 19931,450.0017
Aug 19931,974.0017
Jul 19931,813.0017
Jun 19931,816.0017
May 19931,723.0017
Apr 19931,768.0017
Mar 19931,908.0017
Feb 19931,518.0017
Jan 19931,845.0017
Dec 19921,810.0017
Nov 19921,713.0017
Oct 19921,828.0017
Sep 19921,696.0017
Aug 19921,771.0017
Jul 19921,909.0017
Jun 19921,739.0017
May 19921,875.0017
Apr 19921,879.0017
Mar 19921,823.0017
Feb 19921,485.0017
Jan 19921,946.0017
Dec 19912,117.0017
Nov 19911,811.0017
Oct 19912,005.0017
Sep 19911,989.0017
Aug 19911,984.0017
Jul 19912,118.0017
Jun 19912,233.0017
May 19911,982.0017
Apr 19912,035.0017
Mar 19912,135.0017
Feb 19912,055.0017
Jan 19912,057.0017
Dec 19902,212.0017
Nov 19902,153.0017
Oct 19902,165.0017
Sep 19902,282.0017
Aug 19902,369.0017
Jul 19902,221.0017
Jun 19902,350.0017
May 19902,505.0017
Apr 19902,445.0017
Mar 19902,215.0017
Feb 19902,198.0017
Jan 19902,445.0017
Dec 19894,062.0017
Nov 19894,030.0017
Oct 19893,854.0017
Sep 19893,788.0017
Aug 19893,861.0017
Jul 19894,223.0017
Jun 19894,003.0017
May 19894,365.0017
Apr 19894,124.0017
Mar 19894,165.0017
Feb 19893,975.0017
Jan 19894,625.0017
Dec 19884,190.0017
Nov 19883,926.0017
Oct 19884,498.0017
Sep 19883,894.0017
Aug 19884,214.0017
Jul 19884,315.0017
Jun 19883,883.0017
May 19884,562.0017
Apr 19883,996.0017
Mar 19884,301.0017
Feb 19884,124.0017
Jan 19884,245.0017
Dec 19874,207.0017
Nov 19874,268.0017
Oct 19874,184.0017
Sep 19874,399.0017
Aug 19874,079.0017
Jul 19874,266.0017
Jun 19874,637.0017
May 19874,607.0017
Apr 19874,514.0017
Mar 19874,614.0017
Feb 19874,676.0017
Jan 19875,364.0017
Feb 19866,034.0017
Jan 19866,513.0017
Dec 19856,918.0017
Nov 19856,821.0017
Oct 19857,486.0017
Sep 19857,061.0017
Aug 19855,652.0017
Jul 19855,786.0017
Jun 19855,258.0017
May 19855,087.0017
Apr 19854,787.0017
Mar 19855,566.0017
Feb 19855,045.0017
Jan 19855,985.0017
Dec 19845,170.0017
Oct 19844,049.0017
Sep 19843,551.0017
Aug 19843,749.0017
Jul 19844,100.0017
Jun 19848,461.0017
Apr 19843,777.0017
Mar 19844,231.0017
Feb 19843,854.0017
Jan 19844,303.0017
Dec 19834,410.0017
Nov 19834,519.0017
Oct 19834,736.0017
Sep 19834,608.0017
Aug 19833,981.0017
Jul 19834,143.0017
May 19834,395.0017
Apr 19834,211.0017
Mar 19834,480.0017
Feb 19833,501.0017
Jan 19833,641.0017
Dec 19823,703.0017
Nov 19823,684.0017
Oct 19823,774.0017
Sep 19823,105.0017
Aug 19823,453.0017
Jul 19823,948.0017
Jun 19824,057.0017
May 19823,711.0017
Apr 19823,972.0017
Mar 19824,332.0017
Feb 19823,837.0017
Jan 19824,057.0017
Dec 19814,316.0017
Nov 19814,138.0017
Oct 19814,377.0017
Sep 19814,264.0017
Aug 19813,761.0017
Jul 19813,942.0017
Jun 19814,340.0017
May 19813,922.0017
Apr 19814,255.0017
Mar 19814,133.0017
Feb 19813,592.0017
Jan 19814,042.0017
Dec 19803,826.0016
Nov 19803,663.0016
Oct 19803,679.0016
Sep 19803,988.0016
Aug 19803,842.0016
Jul 19803,675.0016
Jun 19803,278.0016
May 19803,312.0016
Apr 19803,990.0016
Mar 19803,803.0016
Feb 19803,580.0016
Jan 19803,972.0016

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

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

WellNo.OperatorStatus
Colahan 'B'1unavailablePlugged and Abandoned
COLAHAN 'B'2unavailablePlugged and Abandoned
COLAHAN 'B'4Vess Oil CorporationInactive Well
COLAHAN 'B'5OXY USA Inc.Plugged and Abandoned
Colahan 'B'6Vess Oil CorporationPlugged and Abandoned
COLAHAN 'B'7unavailablePlugged and Abandoned
Colahan 'B'8Vess Oil CorporationProducing
COLAHAN 'B'9unavailableRecompleted
Colahan 'B'10Vess Oil CorporationPlugged and Abandoned
COLAHAN 'B'11Vess Oil CorporationProducing
COLAHAN 'B'12OXY USA Inc.Plugged and Abandoned
COLAHAN 'B'20Vess Oil CorporationPlugged and Abandoned
COLAHAN 'B'21unavailablePlugged and Abandoned
COLAHAN 'B'15unavailablePlugged and Abandoned
COLAHAN 'B'14unavailablePlugged and Abandoned
COLAHAN 'B'3unavailablePlugged and Abandoned
COLAHAN 'B'18OXY USA Inc.Plugged and Abandoned
COLAHAN 'B'19unavailablePlugged and Abandoned
COLAHAN 'B'22Vess Oil CorporationProducing
COLAHAN 'B'23Vess Oil CorporationProducing
COLAHAN 'B'24Vess Oil CorporationProducing
COLAHAN 'B'25unavailablePlugged and Abandoned
COLAHAN 'B'26A-SWDVess Oil CorporationRecompleted
Colahan 'B'27OXY USA Inc.Plugged and Abandoned
Colahan 'B'28Vess Oil CorporationProducing
COLAHAN 'B'29Vess Oil CorporationInactive Well
Colahan 'B'31Vess Oil CorporationProducing
Colahan 'B'32Vess Oil CorporationProducing
Colahan 'B'33Vess Oil CorporationProducing
Colahan 'B'29unavailable—

Location

39.071907, -99.165607 · SWNWNW Sec 25 T11S R17W

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001117310. The state’s own record.