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Yearly and monthly production

O'BRIEN A-P Lease
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Lease: O'BRIEN A-P
Operator: Ritchie Exploration, Inc.
Location: C SE SW T20S, R21W, Sec. 6
Cumulative Production: 506052.99 barrels (from 1964 to 2024)
KS Dept. of Revenue Lease Code: 109393
KS Dept. of Revenue Lease Name: O'BRIEN A-P
View T1 PDF (from KCC)
View T1 PDF (from KCC)
Field: Schaben
County: Ness
Producing Zone: Mississippian
Well Data (may be an incomplete list):
T20S R21W, Sec. 6, SE SW
Lease: O'BRIEN 'A' 1
Operator: CITIES SERVICE OIL COMPANY
Current Operator: Ritchie Exploration, Inc.
API Number: 15-135-19044
T20S R21W, Sec. 6, N2 S2 NE SW
Lease: O'BRIEN 'A' 5
Operator: CITIES SERVICE OIL CO.
Current Operator: Ritchie Exploration, Inc.
API Number: 15-135-19046
T20S R21W, Sec. 6, SW SW
Lease: O'BRIEN 'A' 3
Operator: CITIES SERVICE OIL CO.
Current Operator: OXY USA Inc.
API Number: 15-135-19045
T20S R21W, Sec. 7, SW NW
Lease: O'Brien 'A' 4
Operator: CITIES SERVICE OIL CO.
Current Operator: Ritchie Exploration, Inc.
API Number: 15-135-19052

Data are received monthly from the Kansas Department of Revenue.



Annual Oil Production, (bbls)

Year Production Wells
Production Plots

1964 28,805 5
1965 53,401 5
1966 43,651 5
1967 27,324 5
1968 22,684 5
1969 26,983 5
1970 20,289 5
1971 18,270 5
1972 14,530 5
1973 11,859 5
1974 10,133 5
1975 8,518 5
1976 7,171 5
1977 6,279 5
1978 10,540 5
1979 11,834 5
1980 8,989 5
1981 8,618 5
1982 7,714 5
1983 2,540 5
1984 - -
1985 - -
1986 - -
1987 9,412 5
1988 10,431 5
1989 16,061 5
1990 4,604 5
1991 4,905 5
1992 3,669 5
1993 2,740 5
1994 5,253 5
1995 4,459 5
1996 3,781 2
1997 3,484 3
1998 3,668 3
1999 3,315 3
2000 3,980 3
2001 3,652 3
2002 3,708 3
2003 3,497 3
2004 3,482 3
2005 3,473 3
2006 3,130 3
2007 2,946 3
2008 3,090 3
2009 2,905 3
2010 2,778 3
2011 3,498 3
2012 4,773 3
2013 4,519 3
2014 4,670 3
2015 3,866 3
2016 3,658 3
2017 3,441 3
2018 3,200 3
2019 2,839 3
2020 1,615 3
2021 2,268 3
2022 2,086 3
2023 2,580 3
2024 485 3
Reported through 3-2024.
Note: bbls is barrels; mcf is 1000 cubic feet.
  Recent Monthly Oil Production, (bbls)
(Complete production available in file saved
using blue button at top of page.)
Year Month Production Wells Reporter or Purchaser/
Reporting Customer
2014 1 498.1 3 CHS McPherson Refinery Inc (100%)
2014 2 332.37 3 CHS McPherson Refinery Inc (100%)
2014 3 487.35 3 CHS McPherson Refinery Inc (100%)
2014 4 334.64 3 CHS McPherson Refinery Inc (100%)
2014 5 509.7 3 CHS McPherson Refinery Inc (100%)
2014 6 330.76 3 CHS McPherson Refinery Inc (100%)
2014 7 322.09 3 CHS McPherson Refinery Inc (100%)
2014 8 497.41 3 CHS McPherson Refinery Inc (100%)
2014 9 344.62 3 CHS McPherson Refinery Inc (100%)
2014 10 335.09 3 CHS McPherson Refinery Inc (100%)
2014 11 336.84 3 CHS McPherson Refinery Inc (100%)
2014 12 340.96 3 CHS McPherson Refinery Inc (100%)
2015 1 345.37 3 CHS McPherson Refinery Inc (100%)
2015 2 348.65 3 CHS McPherson Refinery Inc (100%)
2015 3 347.01 3 CHS McPherson Refinery Inc (100%)
2015 4 329.64 3 CHS McPherson Refinery Inc (100%)
2015 5 319.69 3 CHS McPherson Refinery Inc (100%)
2015 6 327.09 3 CHS McPherson Refinery Inc (100%)
2015 7 508.33 3 CHS McPherson Refinery Inc (100%)
2015 8 163.05 3 CHS McPherson Refinery Inc (100%)
2015 9 332.21 3 CHS McPherson Refinery Inc (100%)
2015 10 335.98 3 CHS McPherson Refinery Inc (100%)
2015 11 175.45 3 CHS McPherson Refinery Inc (100%)
2015 12 333.07 3 CHS McPherson Refinery Inc (100%)
2016 1 172.68 3 CHS McPherson Refinery Inc (100%)
2016 2 349.37 3 CHS McPherson Refinery Inc (100%)
2016 3 347.88 3 CHS McPherson Refinery Inc (100%)
2016 4 180.18 3 CHS McPherson Refinery Inc (100%)
2016 5 340.51 3 CHS McPherson Refinery Inc (100%)
2016 6 527.6 3 CHS McPherson Refinery Inc (100%)
2016 7 327.67 3 CHS McPherson Refinery Inc (100%)
2016 8 337.42 3 CHS McPherson Refinery Inc (100%)
2016 9 337.78 3 CHS McPherson Refinery Inc (100%)
2016 10 175.6 3 CHS McPherson Refinery Inc (100%)
2016 11 346.79 3 CHS McPherson Refinery Inc (100%)
2016 12 214.13 3 CHS McPherson Refinery Inc (81%) ,
HIGH PLAINS OIL RECLAIMING INC (19%)
2017 1 182.4 3 CHS McPherson Refinery Inc (100%)
2017 2 353.29 3 CHS McPherson Refinery Inc (100%)
2017 3 340.2 3 CHS McPherson Refinery Inc (100%)
2017 4 350.99 3 CHS McPherson Refinery Inc (100%)
2017 5 166.12 3 CHS McPherson Refinery Inc (100%)
2017 6 343.17 3 CHS McPherson Refinery Inc (100%)
2017 7 332.64 3 CHS McPherson Refinery Inc (100%)
2017 8 332.44 3 CHS McPherson Refinery Inc (100%)
2017 9 171.32 3 CHS McPherson Refinery Inc (100%)
2017 10 345.98 3 CHS McPherson Refinery Inc (100%)
2017 11 176.06 3 CHS McPherson Refinery Inc (100%)
2017 12 346.43 3 CHS McPherson Refinery Inc (100%)
2018 1 338.26 3 CHS McPherson Refinery Inc (100%)
2018 2 216.62 3 CHS McPherson Refinery Inc (78%) ,
HIGH PLAINS OIL RECLAIMING INC (22%)
2018 3 183.95 3 CHS McPherson Refinery Inc (89%) ,
HIGH PLAINS OIL RECLAIMING INC (11%)
2018 4 331.62 3 CHS McPherson Refinery Inc (100%)
2018 5 325.87 3 CHS McPherson Refinery Inc (100%)
2018 6 324.79 3 CHS McPherson Refinery Inc (100%)
2018 7 160.22 3 CHS McPherson Refinery Inc (100%)
2018 8 324.72 3 CHS McPherson Refinery Inc (100%)
2018 9 163.64 3 CHS McPherson Refinery Inc (100%)
2018 10 328.31 3 CHS McPherson Refinery Inc (100%)
2018 11 336.41 3 CHS McPherson Refinery Inc (100%)
2018 12 165.6 3 CHS McPherson Refinery Inc (100%)
2019 1 335.33 3 CHS McPherson Refinery Inc (100%)
2019 2 165.6 3 CHS McPherson Refinery Inc (100%)
2019 3 327.86 3 CHS McPherson Refinery Inc (100%)
2019 4 163.32 3 CHS McPherson Refinery Inc (100%)
2019 5 163.91 3 CHS McPherson Refinery Inc (100%)
2019 6 371.05 3 CHS McPherson Refinery Inc (86%) ,
HIGH PLAINS OIL RECLAIMING INC (14%)
2019 7 160.79 3 CHS McPherson Refinery Inc (100%)
2019 8 326.97 3 CHS McPherson Refinery Inc (100%)
2019 9 164.91 3 CHS McPherson Refinery Inc (100%)
2019 10 162.59 3 CHS McPherson Refinery Inc (100%)
2019 11 331.33 3 CHS McPherson Refinery Inc (100%)
2019 12 164.87 3 CHS McPherson Refinery Inc (100%)
2020 1 164.09 3 CHS McPherson Refinery Inc (100%)
2020 3 328.14 3 CHS McPherson Refinery Inc (100%)
2020 8 153.78 3 CHS McPherson Refinery Inc (100%)
2020 9 161.14 3 CHS McPherson Refinery Inc (100%)
2020 10 322.14 3 CHS McPherson Refinery Inc (100%)
2020 11 324.79 3 CHS McPherson Refinery Inc (100%)
2020 12 161.34 3 CHS McPherson Refinery Inc (100%)
2021 1 163.24 3 CHS McPherson Refinery Inc (100%)
2021 2 166.05 3 CHS McPherson Refinery Inc (100%)
2021 3 321.2 3 CHS McPherson Refinery Inc (100%)
2021 4 164.22 3 CHS McPherson Refinery Inc (100%)
2021 5 159.18 3 CHS McPherson Refinery Inc (100%)
2021 6 324.74 3 CHS McPherson Refinery Inc (100%)
2021 7 160.65 3 CHS McPherson Refinery Inc (100%)
2021 8 160.48 3 CHS McPherson Refinery Inc (100%)
2021 9 160.85 3 CHS McPherson Refinery Inc (100%)
2021 10 163.31 3 CHS McPherson Refinery Inc (100%)
2021 11 161.62 3 CHS McPherson Refinery Inc (100%)
2021 12 162.07 3 CHS McPherson Refinery Inc (100%)
2022 1 322.92 3 CHS McPherson Refinery Inc (100%)
2022 2 163.56 3 CHS McPherson Refinery Inc (100%)
2022 3 159.42 3 CHS McPherson Refinery Inc (100%)
2022 4 322.27 3 CHS McPherson Refinery Inc (100%)
2022 5 163.57 3 CHS McPherson Refinery Inc (100%)
2022 6 158.18 3 CHS McPherson Refinery Inc (100%)
2022 7 158.54 3 CHS McPherson Refinery Inc (100%)
2022 8 159.84 3 CHS McPherson Refinery Inc (100%)
2022 10 158.12 3 CHS McPherson Refinery Inc (100%)
2022 11 160.46 3 CHS McPherson Refinery Inc (100%)
2022 12 159.07 3 CHS McPherson Refinery Inc (100%)
2023 1 160.71 3 CHS McPherson Refinery Inc (100%)
2023 2 322.28 3 CHS McPherson Refinery Inc (100%)
2023 3 320.23 3 CHS McPherson Refinery Inc (100%)
2023 4 158.86 3 CHS McPherson Refinery Inc (100%)
2023 5 319.81 3 CHS McPherson Refinery Inc (100%)
2023 6 159.13 3 CHS McPherson Refinery Inc (100%)
2023 7 158.33 3 CHS McPherson Refinery Inc (100%)
2023 8 160.89 3 CHS McPherson Refinery Inc (100%)
2023 9 320.33 3 CHS McPherson Refinery Inc (100%)
2023 10 157.77 3 CHS McPherson Refinery Inc (100%)
2023 11 177.64 3 CHS McPherson Refinery Inc (92%) ,
CFMI LLC (8%)
2023 12 163.6 3 CHS McPherson Refinery Inc (100%)
2024 1 160.96 3 CHS McPherson Refinery Inc (100%)
2024 2 163.51 3 CHS McPherson Refinery Inc (100%)
2024 3 160.97 3 CHS McPherson Refinery Inc (100%)



Pre-1987 cumulative data and monthly volume data is provided under license agreement to the KGS by IHS Energy. As such, it may be reviewed and used for public service and research purposes. It may not be downloaded or used for purposes of re-packaging, reselling or dissemination to third parties.

Kansas Geological Survey
Comments to webadmin@kgs.ku.edu
URL=http://www.kgs.ku.edu/Magellan/Field/lease.html
Programs Updated May 27, 2014
Data from Kansas Dept. of Revenue files monthly.