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Yearly and monthly production

HILLYARD 3 Lease 		Save To File
Lease: HILLYARD 3
Operator: Casillas Petroleum Corp
Location: T26S, R36W, Sec. 18
Cumulative Production: 6084842 mcf (from 1957 to 2026)
KS Dept. of Revenue Lease Code: 201704
KS Dept. of Revenue Lease Name: HILLYARD 3
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 R36W, Sec. 18, SE SE NW
Lease: HILLYARD 3
Operator: HELMERICH & PAYNE INC.
Current Operator: Casillas Petroleum Corp
API Number: 15-093-00519
Cumulative production pre-1958 is 772742

Data are received monthly from the Kansas Department of Revenue.


Annual Gas Production, (mcf)

Year Production Wells
Production Plots

1958 105,032 1
1959 111,578 1
1960 89,628 1
1961 109,091 1
1962 100,431 1
1963 261,061 1
1964 206,866 1
1965 164,121 1
1966 163,321 1
1967 171,187 1
1968 142,070 1
1969 185,227 1
1970 185,684 1
1971 135,079 1
1972 155,542 1
1973 167,170 1
1974 191,884 1
1975 152,184 1
1976 186,562 1
1977 142,606 1
1978 169,303 1
1979 98,029 1
1980 55,607 1
1981 14,826 1
1982 88,146 1
1983 80,907 1
1984 125,396 1
1985 101,190 1
1986 65,576 1
1987 91,219 1
1988 53,007 1
1989 101,611 1
1990 72,458 1
1991 86,022 1
1992 67,236 1
1993 60,042 1
1994 38,675 1
1995 34,371 1
1996 66,201 1
1997 52,933 1
1998 49,903 1
1999 44,441 1
2000 43,219 1
2001 39,251 1
2002 36,307 1
2003 32,716 1
2004 32,704 1
2005 30,433 1
2006 27,537 1
2007 25,300 1
2008 22,904 1
2009 21,984 1
2010 21,758 1
2011 20,961 1
2012 20,470 1
2013 17,154 1
2014 17,748 1
2015 17,525 1
2016 16,922 1
2017 15,374 1
2018 14,057 1
2019 14,498 1
2020 14,013 1
2021 12,617 1
2022 12,647 1
2023 12,636 1
2024 12,340 1
2025 11,894 1
2026 3,708 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 1438 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 2 1332 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 3 1504 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 4 1476 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 5 1494 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 6 1430 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 7 1466 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 8 1576 1 Cimarex Energy Co. (47%) ,
Regency Field Services LLC (47%) ,
Casillas Petroleum Corp (6%)
2014 9 1529 1 Cimarex Energy Co. (47%) ,
Regency Field Services LLC (47%) ,
Casillas Petroleum Corp (6%)
2014 10 1559 1 Regency Field Services LLC (94%) ,
Casillas Petroleum Corp (6%)
2014 11 1460 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2014 12 1484 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2015 1 1514 1 Regency Field Services LLC (94%) ,
Casillas Petroleum Corp (6%)
2015 2 1334 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2015 3 1523 1 Regency Field Services LLC (94%) ,
Casillas Petroleum Corp (6%)
2015 4 1488 1 Regency Field Services LLC (94%) ,
Casillas Petroleum Corp (6%)
2015 5 1541 1 Regency Field Services LLC (94%) ,
Casillas Petroleum Corp (6%)
2015 6 1440 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2015 7 1494 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2015 8 1459 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2015 9 1449 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2015 10 1460 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2015 11 1400 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2015 12 1423 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2016 1 1286 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 2 1506 1 CASILLAS PETROLEUM CORP (6%) ,
REGENCY FIELD SERVICES LLC (94%)
2016 3 1486 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2016 4 1420 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2016 5 1450 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2016 6 1436 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2016 7 1476 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2016 8 1386 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2016 9 1391 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2016 10 1410 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2016 11 1339 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2016 12 1336 1 Regency Field Services LLC (95%) ,
Casillas Petroleum Corp (5%)
2017 1 1319 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2017 2 1196 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2017 3 1251 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2017 4 1182 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2017 5 1256 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2017 6 1233 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2017 7 1374 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2017 8 1317 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2017 9 1297 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2017 10 1331 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2017 11 1282 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2017 12 1336 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 1 1334 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 2 1225 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 3 1203 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2018 4 1257 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2018 5 1249 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2018 6 95 1 Regency Field Services LLC (0%) ,
Casillas Petroleum Corp (100%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 7 1310 1 Casillas Petroleum Corp (7%) ,
ETC TEXAS PIPELINE LTD (93%)
2018 8 1313 1 Casillas Petroleum Corp (7%) ,
ETC TEXAS PIPELINE LTD (93%)
2018 9 1275 1 Casillas Petroleum Corp (7%) ,
ETC TEXAS PIPELINE LTD (93%)
2018 10 1296 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2018 11 1255 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2018 12 1245 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2019 1 1232 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2019 2 1038 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2019 3 1128 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2019 4 1240 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2019 5 1251 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2019 6 1206 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2019 7 1268 1 Casillas Petroleum Corp (7%) ,
ETC TEXAS PIPELINE LTD (93%)
2019 8 1277 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2019 9 1183 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2019 10 1226 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2019 11 1215 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2019 12 1234 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 1 1221 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 2 1126 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 3 1158 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 4 1134 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 5 1176 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 6 1123 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 7 1228 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 8 1222 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 9 1177 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 10 1160 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 11 1126 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 12 1162 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2021 1 1179 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2021 2 713 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2021 3 1075 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 4 978 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2021 5 1011 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2021 6 1050 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 7 1082 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 8 1090 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 9 1085 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 10 1090 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 11 1109 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 12 1155 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2022 1 1058 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2022 2 971 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2022 3 1079 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2022 4 1109 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2022 5 1098 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2022 6 1052 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2022 7 989 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2022 8 1000 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2022 9 1074 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2022 10 1158 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2022 11 960 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2022 12 1099 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2023 1 1148 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2023 2 982 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2023 3 1068 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2023 4 1121 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2023 5 996 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2023 6 851 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2023 7 935 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2023 8 1057 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2023 9 1070 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2023 10 1238 1 Casillas Petroleum Corp (7%) ,
ET Gathering and Processing LLC (93%)
2023 11 1113 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2023 12 1057 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 1 850 1 Casillas Petroleum Corp (11%) ,
ET Gathering and Processing LLC (89%)
2024 2 1004 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 3 1020 1 Casillas Petroleum Corp (10%) ,
ET Gathering and Processing LLC (90%)
2024 4 976 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 5 1064 1 Casillas Petroleum Corp (10%) ,
ET Gathering and Processing LLC (90%)
2024 6 1020 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 7 1090 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 8 1048 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 9 1060 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 10 1095 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 11 1036 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 12 1077 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2025 1 1013 1 Casillas Petroleum Corp (10%) ,
ET Gathering and Processing LLC (90%)
2025 2 855 1 Casillas Petroleum Corp (10%) ,
ET Gathering and Processing LLC (90%)
2025 3 1033 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2025 4 998 1 Casillas Petroleum Corp (10%) ,
ET Gathering and Processing LLC (90%)
2025 5 848 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2025 6 1009 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2025 7 1069 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2025 8 1065 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2025 9 1039 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2025 10 981 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2025 11 997 1 Casillas Petroleum Corp (10%) ,
ET Gathering and Processing LLC (90%)
2025 12 987 1 Casillas Petroleum Corp (10%) ,
ET Gathering and Processing LLC (90%)
2026 1 847 1 Casillas Petroleum Corp (10%) ,
ET Gathering and Processing LLC (90%)
2026 2 978 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2026 3 1015 1 Casillas Petroleum Corp (10%) ,
ET Gathering and Processing LLC (90%)
2026 4 868 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)


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.