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Yearly and monthly production

BROWN 'A' 1 Lease 		Save To File
Lease: BROWN 'A' 1
Operator: Casillas Petroleum Corp
Location: C NW T25S, R34W, Sec. 34
Cumulative Production: 8041244 mcf (from 1957 to 2026)
KS Dept. of Revenue Lease Code: 200278
KS Dept. of Revenue Lease Name: BROWN A-1
View T1 PDF (from KCC)
View T1 PDF (from KCC)
Field: Hugoton Gas Area
County: Finney
Producing Zone: Chase Group
Well Data (may be an incomplete list):
T25S R34W, Sec. 34, S2 SE NW
Lease: BROWN 'A' 1
Operator: HELMERICH & PAYNE
Current Operator: Casillas Petroleum Corp
API Number: 15-055-00624
Cumulative production pre-1958 is 1689363

Data are received monthly from the Kansas Department of Revenue.


Annual Gas Production, (mcf)

Year Production Wells
Production Plots

1958 107,216 1
1959 172,523 1
1960 118,359 1
1961 149,565 1
1962 160,363 1
1963 127,151 1
1964 182,437 1
1965 271,978 1
1966 248,313 1
1967 263,781 1
1968 174,541 1
1969 239,852 1
1970 255,589 1
1971 220,061 1
1972 217,036 1
1973 205,931 1
1974 263,273 1
1975 191,347 1
1976 299,886 1
1977 222,830 1
1978 236,638 1
1979 177,888 1
1980 152,876 1
1981 87,679 1
1982 94,390 1
1983 81,560 1
1984 92,646 1
1985 87,251 1
1986 40,391 1
1987 79,300 1
1988 93,310 1
1989 72,504 1
1990 76,982 1
1991 88,795 1
1992 67,939 1
1993 57,188 1
1994 35,395 1
1995 58,006 1
1996 49,981 1
1997 42,369 1
1998 39,164 1
1999 27,918 1
2000 30,019 1
2001 25,864 1
2002 29,780 1
2003 29,635 1
2004 31,612 1
2005 26,725 1
2006 22,716 1
2007 17,802 1
2008 14,656 1
2009 12,404 1
2010 13,643 1
2011 11,971 1
2012 10,778 1
2013 10,694 1
2014 10,511 1
2015 11,581 1
2016 10,705 1
2017 10,510 1
2018 9,401 1
2019 10,558 1
2020 10,285 1
2021 12,853 1
2022 9,986 1
2023 10,657 1
2024 11,318 1
2025 10,079 1
2026 2,936 1
Reported through 4-2026.
Note: bbls is barrels; mcf is 1000 cubic feet. 		  Recent Monthly Gas Production, (mcf)
(Complete production available in file saved
using blue button at top of page.)
Year Month Production Wells Reporter or Purchaser/
Reporting Customer
2014 1 784 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 2 938 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 3 800 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 4 786 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 5 782 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 6 670 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 7 658 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 8 934 1 Cimarex Energy Co. (44%) ,
Regency Field Services LLC (44%) ,
Casillas Petroleum Corp (12%)
2014 9 982 1 Cimarex Energy Co. (44%) ,
Regency Field Services LLC (44%) ,
Casillas Petroleum Corp (11%)
2014 10 982 1 Regency Field Services LLC (88%) ,
Casillas Petroleum Corp (12%)
2014 11 928 1 Regency Field Services LLC (88%) ,
Casillas Petroleum Corp (12%)
2014 12 1267 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2015 1 1072 1 Regency Field Services LLC (89%) ,
Casillas Petroleum Corp (11%)
2015 2 1019 1 Regency Field Services LLC (89%) ,
Casillas Petroleum Corp (11%)
2015 3 1157 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2015 4 1152 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2015 5 1227 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2015 6 993 1 Regency Field Services LLC (89%) ,
Casillas Petroleum Corp (11%)
2015 7 894 1 Regency Field Services LLC (87%) ,
Casillas Petroleum Corp (13%)
2015 8 794 1 Regency Field Services LLC (86%) ,
Casillas Petroleum Corp (14%)
2015 9 793 1 CASILLAS PETROLEUM CORP (14%) ,
REGENCY FIELD SERVICES LLC (86%)
2015 10 799 1 CASILLAS PETROLEUM CORP (14%) ,
REGENCY FIELD SERVICES LLC (86%)
2015 11 877 1 CASILLAS PETROLEUM CORP (13%) ,
REGENCY FIELD SERVICES LLC (87%)
2015 12 804 1 CASILLAS PETROLEUM CORP (14%) ,
REGENCY FIELD SERVICES LLC (86%)
2016 1 972 1 CASILLAS PETROLEUM CORP (11%) ,
REGENCY FIELD SERVICES LLC (89%)
2016 2 1025 1 CASILLAS PETROLEUM CORP (10%) ,
REGENCY FIELD SERVICES LLC (90%)
2016 3 1162 1 CASILLAS PETROLEUM CORP (10%) ,
REGENCY FIELD SERVICES LLC (90%)
2016 4 975 1 CASILLAS PETROLEUM CORP (11%) ,
REGENCY FIELD SERVICES LLC (89%)
2016 5 955 1 CASILLAS PETROLEUM CORP (12%) ,
REGENCY FIELD SERVICES LLC (88%)
2016 6 835 1 CASILLAS PETROLEUM CORP (13%) ,
REGENCY FIELD SERVICES LLC (87%)
2016 7 810 1 CASILLAS PETROLEUM CORP (14%) ,
REGENCY FIELD SERVICES LLC (86%)
2016 8 833 1 CASILLAS PETROLEUM CORP (14%) ,
REGENCY FIELD SERVICES LLC (86%)
2016 9 789 1 CASILLAS PETROLEUM CORP (15%) ,
REGENCY FIELD SERVICES LLC (85%)
2016 10 747 1 CASILLAS PETROLEUM CORP (15%) ,
REGENCY FIELD SERVICES LLC (85%)
2016 11 665 1 CASILLAS PETROLEUM CORP (17%) ,
REGENCY FIELD SERVICES LLC (83%)
2016 12 937 1 Regency Field Services LLC (87%) ,
Casillas Petroleum Corp (13%)
2017 1 688 1 Regency Field Services LLC (85%) ,
Casillas Petroleum Corp (15%)
2017 2 951 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2017 3 1050 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2017 4 820 1 Regency Field Services LLC (86%) ,
Casillas Petroleum Corp (14%)
2017 5 937 1 Regency Field Services LLC (86%) ,
Casillas Petroleum Corp (14%)
2017 6 967 1 Regency Field Services LLC (88%) ,
Casillas Petroleum Corp (12%)
2017 7 769 1 Regency Field Services LLC (84%) ,
Casillas Petroleum Corp (16%)
2017 8 861 1 Regency Field Services LLC (86%) ,
Casillas Petroleum Corp (14%)
2017 9 772 1 Regency Field Services LLC (85%) ,
Casillas Petroleum Corp (15%)
2017 10 1073 1 Regency Field Services LLC (89%) ,
Casillas Petroleum Corp (11%)
2017 11 834 1 Regency Field Services LLC (87%) ,
Casillas Petroleum Corp (13%)
2017 12 788 1 Regency Field Services LLC (86%) ,
Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 1 949 1 Regency Field Services LLC (89%) ,
Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 2 939 1 Regency Field Services LLC (89%) ,
Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 3 902 1 Regency Field Services LLC (88%) ,
Casillas Petroleum Corp (12%)
2018 4 859 1 Regency Field Services LLC (87%) ,
Casillas Petroleum Corp (13%)
2018 5 827 1 Regency Field Services LLC (86%) ,
Casillas Petroleum Corp (14%)
2018 6 106 1 Regency Field Services LLC (0%) ,
Casillas Petroleum Corp (100%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 7 754 1 Casillas Petroleum Corp (15%) ,
ETC TEXAS PIPELINE LTD (85%)
2018 8 841 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2018 9 773 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2018 10 804 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2018 11 970 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2018 12 677 1 Casillas Petroleum Corp (17%) ,
ETC TEXAS PIPELINE LTD (83%)
2019 1 821 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2019 2 821 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2019 3 901 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2019 4 933 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2019 5 955 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2019 6 904 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2019 7 899 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2019 8 901 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2019 9 855 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2019 10 867 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2019 11 814 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2019 12 887 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2020 1 666 1 Casillas Petroleum Corp (17%) ,
ETC TEXAS PIPELINE LTD (83%)
2020 2 632 1 Casillas Petroleum Corp (17%) ,
ETC TEXAS PIPELINE LTD (83%)
2020 3 824 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2020 4 1005 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2020 5 965 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2020 6 775 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2020 7 826 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2020 8 936 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2020 9 889 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2020 10 946 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2020 11 932 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2020 12 889 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2021 1 850 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2021 2 740 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2021 3 900 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2021 4 1148 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2021 5 1246 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 6 1531 1 Casillas Petroleum Corp (7%) ,
ETC TEXAS PIPELINE LTD (93%)
2021 7 1424 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2021 8 1150 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2021 9 1018 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2021 10 988 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2021 11 883 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2021 12 975 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2022 1 792 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2022 2 797 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2022 3 861 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2022 4 817 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2022 5 857 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2022 6 757 1 Casillas Petroleum Corp (15%) ,
ETC TEXAS PIPELINE LTD (85%)
2022 7 820 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2022 8 965 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2022 9 871 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2022 10 847 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2022 11 804 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2022 12 798 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2023 1 830 1 Casillas Petroleum Corp (15%) ,
ETC TEXAS PIPELINE LTD (85%)
2023 2 725 1 Casillas Petroleum Corp (16%) ,
ETC TEXAS PIPELINE LTD (84%)
2023 3 834 1 Casillas Petroleum Corp (16%) ,
ETC TEXAS PIPELINE LTD (84%)
2023 4 793 1 Casillas Petroleum Corp (16%) ,
ETC TEXAS PIPELINE LTD (84%)
2023 5 922 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2023 6 736 1 Casillas Petroleum Corp (19%) ,
ETC TEXAS PIPELINE LTD (81%)
2023 7 953 1 Casillas Petroleum Corp (17%) ,
ETC TEXAS PIPELINE LTD (83%)
2023 8 906 1 Casillas Petroleum Corp (19%) ,
ETC TEXAS PIPELINE LTD (81%)
2023 9 789 1 Casillas Petroleum Corp (21%) ,
ET Gathering and Processing LLC (79%)
2023 10 1001 1 Casillas Petroleum Corp (16%) ,
ET Gathering and Processing LLC (84%)
2023 11 1079 1 Casillas Petroleum Corp (15%) ,
ET Gathering and Processing LLC (85%)
2023 12 1089 1 Casillas Petroleum Corp (16%) ,
ET Gathering and Processing LLC (84%)
2024 1 868 1 Casillas Petroleum Corp (17%) ,
ET Gathering and Processing LLC (83%)
2024 2 934 1 Casillas Petroleum Corp (17%) ,
ET Gathering and Processing LLC (83%)
2024 3 957 1 Casillas Petroleum Corp (17%) ,
ET Gathering and Processing LLC (83%)
2024 4 934 1 Casillas Petroleum Corp (18%) ,
ET Gathering and Processing LLC (82%)
2024 5 998 1 Casillas Petroleum Corp (17%) ,
ET Gathering and Processing LLC (83%)
2024 6 960 1 Casillas Petroleum Corp (17%) ,
ET Gathering and Processing LLC (83%)
2024 7 948 1 Casillas Petroleum Corp (18%) ,
ET Gathering and Processing LLC (82%)
2024 8 884 1 Casillas Petroleum Corp (19%) ,
ET Gathering and Processing LLC (81%)
2024 9 936 1 Casillas Petroleum Corp (18%) ,
ET Gathering and Processing LLC (82%)
2024 10 980 1 Casillas Petroleum Corp (18%) ,
ET Gathering and Processing LLC (82%)
2024 11 929 1 Casillas Petroleum Corp (19%) ,
ET Gathering and Processing LLC (81%)
2024 12 990 1 Casillas Petroleum Corp (20%) ,
ET Gathering and Processing LLC (80%)
2025 1 841 1 Casillas Petroleum Corp (23%) ,
ET Gathering and Processing LLC (77%)
2025 2 651 1 Casillas Petroleum Corp (23%) ,
ET Gathering and Processing LLC (77%)
2025 3 958 1 Casillas Petroleum Corp (18%) ,
ET Gathering and Processing LLC (82%)
2025 4 810 1 Casillas Petroleum Corp (20%) ,
ET Gathering and Processing LLC (80%)
2025 5 922 1 Casillas Petroleum Corp (20%) ,
ET Gathering and Processing LLC (80%)
2025 6 970 1 Casillas Petroleum Corp (19%) ,
ET Gathering and Processing LLC (81%)
2025 7 859 1 Casillas Petroleum Corp (20%) ,
ET Gathering and Processing LLC (80%)
2025 8 870 1 Casillas Petroleum Corp (23%) ,
ET Gathering and Processing LLC (77%)
2025 9 845 1 Casillas Petroleum Corp (24%) ,
ET Gathering and Processing LLC (76%)
2025 10 805 1 Casillas Petroleum Corp (22%) ,
ET Gathering and Processing LLC (78%)
2025 11 807 1 Casillas Petroleum Corp (22%) ,
ET Gathering and Processing LLC (78%)
2025 12 741 1 Casillas Petroleum Corp (22%) ,
ET Gathering and Processing LLC (78%)
2026 1 661 1 Casillas Petroleum Corp (26%) ,
ET Gathering and Processing LLC (74%)
2026 2 651 1 Casillas Petroleum Corp (24%) ,
ET Gathering and Processing LLC (76%)
2026 3 824 1 Casillas Petroleum Corp (23%) ,
ET Gathering and Processing LLC (77%)
2026 4 800 1 Casillas Petroleum Corp (23%) ,
ET Gathering and Processing LLC (77%)


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.