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Yearly and monthly production

CITIZENS BUILDING & LOAN 6 Lease 		Save To File
Lease: CITIZENS BUILDING & LOAN 6
Operator: Casillas Petroleum Corp
Location: C SE SE NW T26S, R35W, Sec. 34
Cumulative Production: 7998201 mcf (from 1957 to 2025)
KS Dept. of Revenue Lease Code: 200661
KS Dept. of Revenue Lease Name: CITIZENS B&L 6
View T1 PDF (from KCC)
View T1 PDF (from KCC)
View T1 PDF (from KCC)
Field: Hugoton Gas Area
County: Kearny
Producing Zone: Chase Group
Well Data (may be an incomplete list):
T26S R35W, Sec. 34, SE SE NW
Lease: CITIZENS BUILDING & LOAN 6
Operator: HELMERICH & PAYNE
Current Operator: Casillas Petroleum Corp
API Number: 15-093-00495
Cumulative production pre-1958 is 1135525

Data are received monthly from the Kansas Department of Revenue.


Annual Gas Production, (mcf)

Year Production Wells
Production Plots

1958 70,023 1
1959 120,964 1
1960 102,077 1
1961 111,401 1
1962 120,102 1
1963 124,907 1
1964 324,843 1
1965 252,042 1
1966 231,439 1
1967 258,971 1
1968 231,650 1
1969 210,671 1
1970 248,059 1
1971 181,449 1
1972 208,789 1
1973 225,746 1
1974 213,986 1
1975 195,396 1
1976 267,007 1
1977 225,662 1
1978 250,863 1
1979 202,424 1
1980 196,006 1
1981 77,734 1
1982 135,641 1
1983 133,236 1
1984 97,846 1
1985 95,493 1
1986 42,302 1
1987 126,220 1
1988 90,685 1
1989 114,428 1
1990 62,174 1
1991 90,099 1
1992 90,524 1
1993 94,355 1
1994 77,883 1
1995 76,885 1
1996 85,200 1
1997 76,275 1
1998 67,498 1
1999 58,808 1
2000 53,541 1
2001 48,303 1
2002 43,439 1
2003 35,984 1
2004 38,509 1
2005 33,642 1
2006 29,977 1
2007 26,860 1
2008 25,344 1
2009 22,976 1
2010 22,052 1
2011 20,696 1
2012 19,399 1
2013 17,660 1
2014 16,591 1
2015 16,551 1
2016 15,939 1
2017 14,036 1
2018 12,442 1
2019 13,005 1
2020 12,759 1
2021 12,990 1
2022 11,283 1
2023 11,632 1
2024 11,621 1
2025 7,682 1
Reported through 8-2025.
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 1402 1 Cimarex Energy Co. (54%) ,
Regency Field Services LLC (46%)
2014 2 1334 1 Cimarex Energy Co. (54%) ,
Regency Field Services LLC (46%)
2014 3 1432 1 Cimarex Energy Co. (54%) ,
Regency Field Services LLC (46%)
2014 4 1394 1 Cimarex Energy Co. (54%) ,
Regency Field Services LLC (46%)
2014 5 1360 1 Cimarex Energy Co. (54%) ,
Regency Field Services LLC (46%)
2014 6 1351 1 Cimarex Energy Co. (54%) ,
Regency Field Services LLC (46%)
2014 7 1478 1 Cimarex Energy Co. (54%) ,
Regency Field Services LLC (46%)
2014 8 1294 1 Cimarex Energy Co. (46%) ,
Regency Field Services LLC (46%) ,
Casillas Petroleum Corp (9%)
2014 9 1312 1 Cimarex Energy Co. (46%) ,
Regency Field Services LLC (46%) ,
Casillas Petroleum Corp (8%)
2014 10 1446 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2014 11 1372 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2014 12 1416 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2015 1 1418 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2015 2 1276 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2015 3 1401 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2015 4 1336 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2015 5 1368 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2015 6 1339 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2015 7 1458 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2015 8 1473 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2015 9 1371 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2015 10 1418 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2015 11 1339 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2015 12 1354 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 1 1411 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 2 1331 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 3 1392 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 4 1338 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 5 1376 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 6 1308 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 7 1315 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 8 1351 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 9 1302 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 10 1330 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 11 1172 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 12 1313 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2017 1 1291 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2017 2 1135 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2017 3 1276 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2017 4 1133 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2017 5 1247 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2017 6 1077 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2017 7 1192 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2017 8 1090 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2017 9 1154 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2017 10 1185 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2017 11 1129 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2017 12 1127 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 1 1156 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 2 1071 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 3 1073 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2018 4 1095 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2018 5 1148 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2018 6 107 1 Regency Field Services LLC (0%) ,
Casillas Petroleum Corp (100%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 7 1110 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2018 8 1150 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2018 9 1078 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2018 10 1147 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2018 11 1214 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2018 12 1093 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2019 1 1123 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2019 2 1043 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2019 3 1266 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2019 4 1243 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2019 5 1300 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2019 6 1231 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2019 7 1101 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2019 8 1112 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2019 9 922 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2019 10 1012 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2019 11 884 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2019 12 768 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2020 1 1083 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2020 2 755 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2020 3 738 1 Casillas Petroleum Corp (15%) ,
ETC TEXAS PIPELINE LTD (85%)
2020 4 1129 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2020 5 1312 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 6 1113 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2020 7 1132 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2020 8 1145 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2020 9 890 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2020 10 1208 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2020 11 1095 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2020 12 1159 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 1 1182 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 2 603 1 Casillas Petroleum Corp (16%) ,
ETC TEXAS PIPELINE LTD (84%)
2021 3 1216 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 4 864 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2021 5 1048 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2021 6 1088 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2021 7 1074 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2021 8 1194 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 9 1078 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2021 10 1221 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 11 1162 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 12 1260 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2022 1 1115 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2022 2 996 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2022 3 938 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2022 4 943 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2022 5 997 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2022 6 810 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2022 7 909 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2022 8 928 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2022 9 858 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2022 10 991 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2022 11 1060 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2022 12 738 1 Casillas Petroleum Corp (15%) ,
ETC TEXAS PIPELINE LTD (85%)
2023 1 507 1 Casillas Petroleum Corp (0%) ,
ETC TEXAS PIPELINE LTD (100%)
2023 2 848 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2023 3 1016 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2023 4 1027 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2023 5 1126 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2023 6 959 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2023 7 1022 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2023 8 980 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2023 9 1007 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2023 10 986 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2023 11 1085 1 Casillas Petroleum Corp (8%) ,
ET Gathering and Processing LLC (92%)
2023 12 1069 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 1 618 1 Casillas Petroleum Corp (11%) ,
ET Gathering and Processing LLC (89%)
2024 2 1135 1 Casillas Petroleum Corp (8%) ,
ET Gathering and Processing LLC (92%)
2024 3 1136 1 Casillas Petroleum Corp (8%) ,
ET Gathering and Processing LLC (92%)
2024 4 1082 1 Casillas Petroleum Corp (8%) ,
ET Gathering and Processing LLC (92%)
2024 5 1105 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 6 1041 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 7 840 1 Casillas Petroleum Corp (10%) ,
ET Gathering and Processing LLC (90%)
2024 8 840 1 Casillas Petroleum Corp (12%) ,
ET Gathering and Processing LLC (88%)
2024 9 908 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 10 948 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 11 922 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 12 1046 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2025 1 884 1 Casillas Petroleum Corp (12%) ,
ET Gathering and Processing LLC (88%)
2025 2 606 1 Casillas Petroleum Corp (11%) ,
ET Gathering and Processing LLC (89%)
2025 3 1021 1 Casillas Petroleum Corp (7%) ,
ET Gathering and Processing LLC (93%)
2025 4 1027 1 Casillas Petroleum Corp (10%) ,
ET Gathering and Processing LLC (90%)
2025 5 1020 1 Casillas Petroleum Corp (10%) ,
ET Gathering and Processing LLC (90%)
2025 6 890 1 Casillas Petroleum Corp (10%) ,
ET Gathering and Processing LLC (90%)
2025 7 981 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2025 8 1253 1 Casillas Petroleum Corp (7%) ,
ET Gathering and Processing LLC (93%)


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.