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Yearly and monthly production

YEISER 1 Lease 		Save To File
Lease: YEISER 1
Operator: Casillas Petroleum Corp
Location: T26S, R34W, Sec. 17
Cumulative Production: 7146624 mcf (from 1957 to 2026)
KS Dept. of Revenue Lease Code: 204397
KS Dept. of Revenue Lease Name: YEISER 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):
T26S R34W, Sec. 17, NE NE SW
Lease: YEISER 1
Operator: HELMERICH & PAYNE INC
Current Operator: Casillas Petroleum Corp
API Number: 15-055-00730
Cumulative production pre-1958 is 935046

Data are received monthly from the Kansas Department of Revenue.


Annual Gas Production, (mcf)

Year Production Wells
Production Plots

1958 63,228 1
1959 99,020 1
1960 217,568 1
1961 240,211 1
1962 211,491 1
1963 207,245 1
1964 201,004 1
1965 173,432 1
1966 139,356 1
1967 155,536 1
1968 165,183 1
1969 197,769 1
1970 188,144 1
1971 189,108 1
1972 183,594 1
1973 162,649 1
1974 192,282 1
1975 159,321 1
1976 215,324 1
1977 226,267 1
1978 188,667 1
1979 174,581 1
1980 130,680 1
1981 117,162 1
1982 111,813 1
1983 102,757 1
1984 58,290 1
1985 105,096 1
1986 36,372 1
1987 93,766 1
1988 70,481 1
1989 135,784 1
1990 110,660 1
1991 105,756 1
1992 97,878 1
1993 83,466 1
1994 75,212 1
1995 72,979 1
1996 80,137 1
1997 68,496 1
1998 58,573 1
1999 51,872 1
2000 48,326 1
2001 44,047 1
2002 43,041 1
2003 38,362 1
2004 34,626 1
2005 27,706 1
2006 24,952 1
2007 22,054 1
2008 18,216 1
2009 16,998 1
2010 16,960 1
2011 16,066 1
2012 15,252 1
2013 12,862 1
2014 12,625 1
2015 12,131 1
2016 11,852 1
2017 10,627 1
2018 9,196 1
2019 9,127 1
2020 9,094 1
2021 7,748 1
2022 3,313 1
2023 3,694 1
2024 10,441 1
2025 9,553 1
2026 4,499 1
Reported through 6-2026.
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 1 960 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 2 752 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 3 994 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 4 1014 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 5 1054 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 6 1008 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 7 1098 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 8 1188 1 Cimarex Energy Co. (46%) ,
Regency Field Services LLC (46%) ,
Casillas Petroleum Corp (7%)
2014 9 1115 1 Cimarex Energy Co. (46%) ,
Regency Field Services LLC (46%) ,
Casillas Petroleum Corp (7%)
2014 10 1171 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2014 11 1193 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2014 12 1078 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2015 1 922 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2015 2 877 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2015 3 933 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2015 4 954 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2015 5 1113 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2015 6 931 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2015 7 1066 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2015 8 1103 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2015 9 1075 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2015 10 1120 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (93%)
2015 11 1053 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2015 12 984 1 CASILLAS PETROLEUM CORP (9%) ,
REGENCY FIELD SERVICES LLC (91%)
2016 1 1015 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 2 917 1 CASILLAS PETROLEUM CORP (9%) ,
REGENCY FIELD SERVICES LLC (91%)
2016 3 1021 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 4 1032 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 5 1058 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 6 997 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 7 1012 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 8 1032 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 9 932 1 CASILLAS PETROLEUM CORP (9%) ,
REGENCY FIELD SERVICES LLC (91%)
2016 10 943 1 CASILLAS PETROLEUM CORP (9%) ,
REGENCY FIELD SERVICES LLC (91%)
2016 11 1010 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 12 883 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2017 1 873 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2017 2 829 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2017 3 918 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2017 4 892 1 Regency Field Services LLC (89%) ,
Casillas Petroleum Corp (11%)
2017 5 914 1 Regency Field Services LLC (89%) ,
Casillas Petroleum Corp (11%)
2017 6 905 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2017 7 1033 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2017 8 996 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2017 9 945 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2017 10 859 1 Regency Field Services LLC (89%) ,
Casillas Petroleum Corp (11%)
2017 11 843 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2017 12 620 1 Regency Field Services LLC (88%) ,
Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 1 658 1 Regency Field Services LLC (87%) ,
Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 2 677 1 Regency Field Services LLC (89%) ,
Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 3 915 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2018 4 984 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2018 5 953 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2018 6 90 1 Regency Field Services LLC (0%) ,
Casillas Petroleum Corp (100%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 7 775 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2018 8 734 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2018 9 952 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2018 10 841 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2018 11 823 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2018 12 794 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2019 1 749 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2019 2 745 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2019 3 815 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2019 4 568 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2019 5 626 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2019 6 714 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2019 7 801 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2019 8 874 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2019 9 808 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2019 10 900 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2019 11 655 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2019 12 872 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2020 1 829 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2020 2 773 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2020 3 651 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2020 4 709 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2020 5 719 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2020 6 652 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2020 7 782 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2020 8 823 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2020 9 600 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2020 10 878 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2020 11 764 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2020 12 914 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 1 885 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 2 530 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2021 3 561 1 Casillas Petroleum Corp (15%) ,
ETC TEXAS PIPELINE LTD (85%)
2021 4 106 1 Casillas Petroleum Corp (76%) ,
ETC TEXAS PIPELINE LTD (24%)
2021 5 163 1 Casillas Petroleum Corp (52%) ,
ETC TEXAS PIPELINE LTD (48%)
2021 6 604 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2021 7 823 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2021 8 934 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 9 705 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2021 10 784 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2021 11 711 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2021 12 942 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2022 1 640 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2022 2 780 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2022 3 953 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2022 4 277 1 Casillas Petroleum Corp (29%) ,
ETC TEXAS PIPELINE LTD (71%)
2022 5 84 1 Casillas Petroleum Corp (100%)
2022 6 81 1 Casillas Petroleum Corp (100%)
2022 7 84 1 Casillas Petroleum Corp (100%)
2022 8 84 1 Casillas Petroleum Corp (100%)
2022 9 81 1 Casillas Petroleum Corp (100%)
2022 10 84 1 Casillas Petroleum Corp (100%)
2022 11 81 1 Casillas Petroleum Corp (100%)
2022 12 84 1 Casillas Petroleum Corp (100%)
2023 7 208 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2023 8 855 1 Casillas Petroleum Corp (5%) ,
ETC TEXAS PIPELINE LTD (95%)
2023 9 600 1 Casillas Petroleum Corp (7%) ,
ET Gathering and Processing LLC (93%)
2023 10 523 1 Casillas Petroleum Corp (7%) ,
ET Gathering and Processing LLC (93%)
2023 11 608 1 Casillas Petroleum Corp (5%) ,
ET Gathering and Processing LLC (95%)
2023 12 900 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2024 1 955 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2024 2 930 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2024 3 976 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2024 4 840 1 Casillas Petroleum Corp (7%) ,
ET Gathering and Processing LLC (93%)
2024 5 825 1 Casillas Petroleum Corp (8%) ,
ET Gathering and Processing LLC (92%)
2024 6 753 1 Casillas Petroleum Corp (7%) ,
ET Gathering and Processing LLC (93%)
2024 7 860 1 Casillas Petroleum Corp (7%) ,
ET Gathering and Processing LLC (93%)
2024 8 868 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2024 9 802 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2024 10 876 1 Casillas Petroleum Corp (5%) ,
ET Gathering and Processing LLC (95%)
2024 11 821 1 Casillas Petroleum Corp (5%) ,
ET Gathering and Processing LLC (95%)
2024 12 935 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2025 1 920 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2025 2 760 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2025 3 536 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2025 4 917 1 Casillas Petroleum Corp (5%) ,
ET Gathering and Processing LLC (95%)
2025 5 826 1 Casillas Petroleum Corp (5%) ,
ET Gathering and Processing LLC (95%)
2025 6 764 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2025 7 883 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2025 8 815 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2025 9 674 1 Casillas Petroleum Corp (7%) ,
ET Gathering and Processing LLC (93%)
2025 10 771 1 Casillas Petroleum Corp (7%) ,
ET Gathering and Processing LLC (93%)
2025 11 795 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2025 12 892 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2026 1 745 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2026 2 657 1 Casillas Petroleum Corp (5%) ,
ET Gathering and Processing LLC (95%)
2026 3 514 1 Casillas Petroleum Corp (4%) ,
ET Gathering and Processing LLC (96%)
2026 4 978 1 Casillas Petroleum Corp (5%) ,
ET Gathering and Processing LLC (95%)
2026 5 823 1 Casillas Petroleum Corp (5%) ,
ET Gathering and Processing LLC (95%)
2026 6 782 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)


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.