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Yearly and monthly production

HILLYARD 4 Lease 		Save To File
Lease: HILLYARD 4
Operator: Casillas Petroleum Corp
Location: S2 NW SE T26S, R36W, Sec. 20
Cumulative Production: 10661007 mcf (from 1957 to 2024)
KS Dept. of Revenue Lease Code: 201705
KS Dept. of Revenue Lease Name: HILLYARD 4
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. 20, NW SE
Lease: HILLYARD 4
Operator: WHITE EAGLE OIL & GAS
Current Operator: Casillas Petroleum Corp
API Number: 15-093-00521
Cumulative production pre-1958 is 1364034

Data are received monthly from the Kansas Department of Revenue.


Annual Gas Production, (mcf)

Year Production Wells
Production Plots

1958 132,235 1
1959 90,460 1
1960 107,474 1
1961 125,834 1
1962 112,440 1
1963 655,127 1
1964 419,020 1
1965 329,749 1
1966 337,896 1
1967 338,073 1
1968 305,382 1
1969 347,308 1
1970 376,067 1
1971 207,766 1
1972 267,749 1
1973 347,141 1
1974 360,329 1
1975 282,408 1
1976 376,843 1
1977 243,850 1
1978 362,202 1
1979 262,675 1
1980 169,456 1
1981 39,825 1
1982 19,107 1
1983 105,507 1
1984 226,861 1
1985 227,268 1
1986 118,285 1
1987 169,206 1
1988 66,599 1
1989 190,970 1
1990 150,334 1
1991 147,322 1
1992 85,210 1
1993 88,149 1
1994 69,961 1
1995 82,726 1
1996 87,872 1
1997 72,438 1
1998 68,267 1
1999 56,494 1
2000 57,324 1
2001 50,506 1
2002 48,601 1
2003 50,919 1
2004 42,088 1
2005 38,885 1
2006 36,612 1
2007 32,510 1
2008 28,946 1
2009 26,622 1
2010 25,028 1
2011 24,906 1
2012 23,468 1
2013 19,860 1
2014 19,311 1
2015 18,989 1
2016 17,977 1
2017 15,818 1
2018 14,446 1
2019 14,744 1
2020 14,322 1
2021 13,077 1
2022 12,246 1
2023 12,284 1
2024 7,599 1
Reported through 7-2024.
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 1528 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 2 1548 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 3 1728 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 4 1648 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 5 1536 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 6 1434 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 7 1440 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 8 1692 1 Cimarex Energy Co. (47%) ,
Regency Field Services LLC (47%) ,
Casillas Petroleum Corp (6%)
2014 9 1679 1 Cimarex Energy Co. (47%) ,
Regency Field Services LLC (47%) ,
Casillas Petroleum Corp (6%)
2014 10 1705 1 Regency Field Services LLC (94%) ,
Casillas Petroleum Corp (6%)
2014 11 1671 1 Regency Field Services LLC (94%) ,
Casillas Petroleum Corp (6%)
2014 12 1702 1 Regency Field Services LLC (94%) ,
Casillas Petroleum Corp (6%)
2015 1 1744 1 Regency Field Services LLC (94%) ,
Casillas Petroleum Corp (6%)
2015 2 1620 1 Regency Field Services LLC (95%) ,
Casillas Petroleum Corp (5%)
2015 3 1648 1 Regency Field Services LLC (94%) ,
Casillas Petroleum Corp (6%)
2015 4 1634 1 Regency Field Services LLC (94%) ,
Casillas Petroleum Corp (6%)
2015 5 1689 1 Regency Field Services LLC (94%) ,
Casillas Petroleum Corp (6%)
2015 6 1407 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2015 7 1541 1 Regency Field Services LLC (94%) ,
Casillas Petroleum Corp (6%)
2015 8 1567 1 Regency Field Services LLC (94%) ,
Casillas Petroleum Corp (6%)
2015 9 1536 1 CASILLAS PETROLEUM CORP (6%) ,
REGENCY FIELD SERVICES LLC (94%)
2015 10 1535 1 CASILLAS PETROLEUM CORP (6%) ,
REGENCY FIELD SERVICES LLC (94%)
2015 11 1545 1 CASILLAS PETROLEUM CORP (6%) ,
REGENCY FIELD SERVICES LLC (94%)
2015 12 1523 1 CASILLAS PETROLEUM CORP (6%) ,
REGENCY FIELD SERVICES LLC (94%)
2016 1 1311 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2016 2 1631 1 CASILLAS PETROLEUM CORP (6%) ,
REGENCY FIELD SERVICES LLC (94%)
2016 3 1635 1 CASILLAS PETROLEUM CORP (6%) ,
REGENCY FIELD SERVICES LLC (94%)
2016 4 1557 1 CASILLAS PETROLEUM CORP (6%) ,
REGENCY FIELD SERVICES LLC (94%)
2016 5 1487 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2016 6 1376 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2016 7 1426 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2016 8 1527 1 CASILLAS PETROLEUM CORP (6%) ,
REGENCY FIELD SERVICES LLC (94%)
2016 9 1534 1 CASILLAS PETROLEUM CORP (6%) ,
REGENCY FIELD SERVICES LLC (94%)
2016 10 1546 1 CASILLAS PETROLEUM CORP (6%) ,
REGENCY FIELD SERVICES LLC (94%)
2016 11 1479 1 CASILLAS PETROLEUM CORP (6%) ,
REGENCY FIELD SERVICES LLC (94%)
2016 12 1468 1 Regency Field Services LLC (95%) ,
Casillas Petroleum Corp (5%)
2017 1 1316 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2017 2 1252 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2017 3 1377 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2017 4 1254 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2017 5 1281 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2017 6 1239 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2017 7 1308 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2017 8 1360 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2017 9 1329 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2017 10 1391 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2017 11 1336 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2017 12 1375 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 1 1243 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 2 1253 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 3 1204 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2018 4 1358 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2018 5 1333 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2018 6 95 1 Regency Field Services LLC (0%) ,
Casillas Petroleum Corp (100%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 7 1296 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2018 8 1354 1 Casillas Petroleum Corp (7%) ,
ETC TEXAS PIPELINE LTD (93%)
2018 9 1352 1 Casillas Petroleum Corp (7%) ,
ETC TEXAS PIPELINE LTD (93%)
2018 10 1367 1 Casillas Petroleum Corp (7%) ,
ETC TEXAS PIPELINE LTD (93%)
2018 11 1283 1 Casillas Petroleum Corp (7%) ,
ETC TEXAS PIPELINE LTD (93%)
2018 12 1308 1 Casillas Petroleum Corp (7%) ,
ETC TEXAS PIPELINE LTD (93%)
2019 1 1147 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2019 2 1067 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2019 3 1200 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2019 4 1342 1 Casillas Petroleum Corp (7%) ,
ETC TEXAS PIPELINE LTD (93%)
2019 5 1359 1 Casillas Petroleum Corp (7%) ,
ETC TEXAS PIPELINE LTD (93%)
2019 6 1278 1 Casillas Petroleum Corp (7%) ,
ETC TEXAS PIPELINE LTD (93%)
2019 7 1275 1 Casillas Petroleum Corp (7%) ,
ETC TEXAS PIPELINE LTD (93%)
2019 8 1239 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2019 9 1155 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2019 10 1189 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2019 11 1202 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2019 12 1291 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 1 1251 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 2 1149 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 3 1194 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 4 1224 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 5 1315 1 Casillas Petroleum Corp (7%) ,
ETC TEXAS PIPELINE LTD (93%)
2020 6 1148 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 7 1173 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 8 1192 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 9 1148 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 10 1188 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 11 1133 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2020 12 1207 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2021 1 1258 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2021 2 784 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2021 3 1138 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 4 979 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2021 5 1030 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2021 6 1137 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2021 7 1085 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 8 1006 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2021 9 1054 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 10 1081 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2021 11 1240 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2021 12 1285 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2022 1 947 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2022 2 970 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2022 3 1182 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2022 4 1252 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2022 5 1309 1 Casillas Petroleum Corp (7%) ,
ETC TEXAS PIPELINE LTD (93%)
2022 6 1123 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2022 7 711 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2022 8 752 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2022 9 1067 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2022 10 1214 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2022 11 763 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2022 12 956 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2023 1 1133 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2023 2 935 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2023 3 1073 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2023 4 1243 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2023 5 965 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2023 6 462 1 Casillas Petroleum Corp (18%) ,
ETC TEXAS PIPELINE LTD (82%)
2023 7 794 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2023 8 915 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2023 9 1029 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2023 10 1416 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2023 11 1198 1 Casillas Petroleum Corp (8%) ,
ET Gathering and Processing LLC (92%)
2023 12 1121 1 Casillas Petroleum Corp (8%) ,
ET Gathering and Processing LLC (92%)
2024 1 1073 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 2 1101 1 Casillas Petroleum Corp (8%) ,
ET Gathering and Processing LLC (92%)
2024 3 1199 1 Casillas Petroleum Corp (8%) ,
ET Gathering and Processing LLC (92%)
2024 4 1038 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 5 1069 1 Casillas Petroleum Corp (10%) ,
ET Gathering and Processing LLC (90%)
2024 6 1064 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 7 1055 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.