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Yearly and monthly production

ROYCE 1 Lease 		Save To File
Lease: ROYCE 1
Operator: Casillas Petroleum Corp
Location: C NE NE SW T31S, R34W, Sec. 2
Cumulative Production: 10446637 mcf (from 1957 to 2024)
KS Dept. of Revenue Lease Code: 203377
KS Dept. of Revenue Lease Name: ROYCE 1
View T1 PDF (from KCC)
View T1 PDF (from KCC)
Field: Hugoton Gas Area
County: Seward
Producing Zone: Chase Group
Well Data (may be an incomplete list):
T31S R34W, Sec. 2, NE NE SW
Lease: Royce 1
Operator: Helmerich and Payne, Inc.
Current Operator: Casillas Petroleum Corp
API Number: 15-175-00500
Cumulative production pre-1958 is 3081974

Data are received monthly from the Kansas Department of Revenue.


Annual Gas Production, (mcf)

Year Production Wells
Production Plots

1958 176,893 1
1959 359,552 1
1960 191,768 1
1961 190,341 1
1962 232,410 1
1963 307,407 1
1964 147,544 1
1965 164,608 1
1966 141,797 1
1967 217,800 1
1968 200,817 1
1969 171,863 1
1970 197,197 1
1971 153,834 1
1972 219,762 1
1973 196,274 1
1974 329,154 1
1975 220,349 1
1976 190,414 1
1977 155,290 1
1978 152,443 1
1979 171,334 1
1980 140,461 1
1981 83,069 1
1982 50,373 1
1983 93,485 1
1984 107,127 1
1985 98,060 1
1986 50,997 1
1987 68,968 1
1988 189,802 1
1989 154,911 1
1990 179,704 1
1991 122,951 1
1992 120,626 1
1993 130,076 1
1994 76,800 1
1995 73,152 1
1996 153,396 1
1997 100,664 1
1998 86,531 1
1999 73,395 1
2000 51,721 1
2001 48,493 1
2002 50,830 1
2003 64,706 1
2004 59,716 1
2005 51,204 1
2006 42,219 1
2007 37,735 1
2008 36,714 1
2009 30,994 1
2010 32,131 1
2011 28,739 1
2012 25,556 1
2013 24,186 1
2014 21,883 1
2015 15,647 1
2016 14,027 1
2017 12,438 1
2018 12,267 1
2019 9,794 1
2020 10,776 1
2021 12,307 1
2022 9,745 1
2023 8,482 1
2024 8,954 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 2149 1 Cimarex Energy Co. (50%) ,
OCCIDENTAL ENERGY MARKETING, INC. (50%)
2014 2 1712 1 Cimarex Energy Co. (50%) ,
NATIONAL HELIUM CORP (0%) ,
OCCIDENTAL ENERGY MARKETING, INC. (50%)
2014 3 2139 1 Cimarex Energy Co. (50%) ,
NATIONAL HELIUM CORP (0%) ,
OCCIDENTAL ENERGY MARKETING, INC. (50%)
2014 4 2165 1 Cimarex Energy Co. (50%) ,
NATIONAL HELIUM CORP (0%) ,
OCCIDENTAL ENERGY MARKETING, INC. (50%)
2014 5 1504 1 Merit Energy Company, LLC (23%) ,
Cimarex Energy Co. (77%) ,
NATIONAL HELIUM CORP (0%)
2014 6 1463 1 Merit Energy Company, LLC (23%) ,
Cimarex Energy Co. (77%) ,
NATIONAL HELIUM CORP (0%)
2014 7 1453 1 Merit Energy Company, LLC (23%) ,
Cimarex Energy Co. (77%) ,
NATIONAL HELIUM CORP (0%)
2014 8 2488 1 Merit Energy Company, LLC (14%) ,
Cimarex Energy Co. (39%) ,
DCP Midstream, LP (44%) ,
NATIONAL HELIUM CORP (0%) ,
Casillas Petroleum Corp (4%)
2014 9 2356 1 Merit Energy Company, LLC (14%) ,
Cimarex Energy Co. (38%) ,
DCP Midstream, LP (44%) ,
NATIONAL HELIUM CORP (0%) ,
Casillas Petroleum Corp (4%)
2014 10 1530 1 Merit Energy Company, LLC (23%) ,
DCP Midstream, LP (71%) ,
Casillas Petroleum Corp (6%)
2014 11 1463 1 Merit Energy Company, LLC (23%) ,
DCP Midstream, LP (70%) ,
Casillas Petroleum Corp (6%)
2014 12 1461 1 Merit Energy Company, LLC (25%) ,
DCP Midstream, LP (68%) ,
Casillas Petroleum Corp (7%)
2015 1 1476 1 Merit Energy Company, LLC (27%) ,
DCP Midstream, LP (67%) ,
Casillas Petroleum Corp (6%)
2015 2 1281 1 Merit Energy Company, LLC (22%) ,
DCP Midstream, LP (72%) ,
Casillas Petroleum Corp (7%)
2015 3 1512 1 Merit Energy Company, LLC (27%) ,
DCP Midstream, LP (67%) ,
Casillas Petroleum Corp (6%)
2015 4 1324 1 Merit Energy Company, LLC (27%) ,
DCP Midstream, LP (66%) ,
CASILLAS PETROLEUM CORP (7%)
2015 5 1477 1 Merit Energy Company, LLC (28%) ,
DCP Midstream, LP (65%) ,
CASILLAS PETROLEUM CORP (6%)
2015 6 1428 1 Merit Energy Company, LLC (29%) ,
DCP Midstream, LP (64%) ,
Casillas Petroleum Corp (6%)
2015 7 933 1 Merit Energy Company, LLC (41%) ,
DCP Midstream, LP (48%) ,
Casillas Petroleum Corp (10%)
2015 8 1063 1 Merit Energy Company, LLC (35%) ,
DCP Midstream, LP (56%) ,
CASILLAS PETROLEUM CORP (9%)
2015 9 1050 1 Merit Energy Company, LLC (33%) ,
DCP Midstream, LP (58%) ,
CASILLAS PETROLEUM CORP (9%)
2015 10 1308 1 Merit Energy Company, LLC (30%) ,
DCP Midstream, LP (63%) ,
CASILLAS PETROLEUM CORP (7%)
2015 11 1303 1 Merit Energy Company, LLC (29%) ,
DCP Midstream, LP (64%) ,
Casillas Petroleum Corp (7%)
2015 12 1492 1 Merit Energy Company, LLC (26%) ,
DCP Midstream, LP (67%) ,
Casillas Petroleum Corp (6%)
2016 1 1446 1 Merit Energy Company, LLC (22%) ,
DCP Midstream, LP (73%) ,
Casillas Petroleum Corp (5%)
2016 2 771 1 Merit Energy Company, LLC (19%) ,
DCP Midstream, LP (72%) ,
Casillas Petroleum Corp (9%)
2016 3 1281 1 Merit Energy Company, LLC (20%) ,
DCP Midstream, LP (74%) ,
Casillas Petroleum Corp (6%)
2016 4 1054 1 Merit Energy Company, LLC (19%) ,
DCP Midstream, LP (74%) ,
Casillas Petroleum Corp (7%)
2016 5 1082 1 Merit Energy Company, LLC (19%) ,
DCP Midstream, LP (74%) ,
Casillas Petroleum Corp (7%)
2016 6 1143 1 Merit Energy Company, LLC (21%) ,
DCP Midstream, LP (73%) ,
Casillas Petroleum Corp (7%)
2016 7 1327 1 Merit Energy Company, LLC (21%) ,
DCP Midstream, LP (73%) ,
Casillas Petroleum Corp (6%)
2016 8 1299 1 Merit Energy Company, LLC (22%) ,
DCP Midstream, LP (72%) ,
Casillas Petroleum Corp (6%)
2016 9 1258 1 Merit Energy Company, LLC (24%) ,
DCP Midstream, LP (70%) ,
Casillas Petroleum Corp (6%)
2016 10 1279 1 Merit Energy Company, LLC (22%) ,
DCP Midstream, LP (72%) ,
Casillas Petroleum Corp (6%)
2016 11 1203 1 Merit Energy Company, LLC (20%) ,
DCP Midstream, LP (74%) ,
Casillas Petroleum Corp (6%)
2016 12 884 1 Merit Energy Company, LLC (19%) ,
DCP Midstream, LP (72%) ,
Casillas Petroleum Corp (9%)
2017 1 1140 1 Merit Energy Company, LLC (20%) ,
DCP Midstream, LP (73%) ,
Casillas Petroleum Corp (7%)
2017 2 1135 1 Merit Energy Company, LLC (19%) ,
DCP Midstream, LP (74%) ,
Casillas Petroleum Corp (7%)
2017 3 1838 1 Merit Energy Company, LLC (8%) ,
DCP Midstream, LP (88%) ,
Casillas Petroleum Corp (5%)
2017 4 951 1 Merit Energy Company, LLC (9%) ,
DCP Midstream, LP (83%) ,
Casillas Petroleum Corp (8%)
2017 5 807 1 Merit Energy Company, LLC (16%) ,
DCP Midstream, LP (74%) ,
Casillas Petroleum Corp (10%)
2017 6 916 1 Merit Energy Company, LLC (12%) ,
DCP Midstream, LP (79%) ,
Casillas Petroleum Corp (9%)
2017 7 873 1 Merit Energy Company, LLC (10%) ,
DCP Midstream, LP (80%) ,
Casillas Petroleum Corp (10%)
2017 8 920 1 Merit Energy Company, LLC (5%) ,
DCP Midstream, LP (86%) ,
Casillas Petroleum Corp (9%)
2017 9 901 1 Merit Energy Company, LLC (3%) ,
DCP Midstream, LP (88%) ,
Casillas Petroleum Corp (9%)
2017 10 1049 1 Merit Energy Company, LLC (14%) ,
DCP Midstream, LP (78%) ,
Casillas Petroleum Corp (8%)
2017 11 1051 1 Merit Energy Company, LLC (16%) ,
DCP Midstream, LP (76%) ,
Casillas Petroleum Corp (8%)
2017 12 857 1 Merit Energy Company, LLC (15%) ,
DCP Midstream, LP (76%) ,
Casillas Petroleum Corp (10%)
2018 1 1013 1 Merit Energy Company, LLC (21%) ,
DCP Midstream, LP (71%) ,
Casillas Petroleum Corp (8%)
2018 2 787 1 Merit Energy Company, LLC (16%) ,
DCP Midstream, LP (74%) ,
Casillas Petroleum Corp (10%)
2018 3 1114 1 Merit Energy Company, LLC (19%) ,
DCP Midstream, LP (73%) ,
Casillas Petroleum Corp (7%)
2018 4 1063 1 Merit Energy Company, LLC (20%) ,
DCP Midstream, LP (72%) ,
Casillas Petroleum Corp (8%)
2018 5 1097 1 Merit Energy Company, LLC (22%) ,
DCP Midstream, LP (70%) ,
Casillas Petroleum Corp (8%)
2018 6 1014 1 Merit Energy Company, LLC (24%) ,
DCP Midstream, LP (68%) ,
Casillas Petroleum Corp (8%)
2018 7 1039 1 Merit Energy Company, LLC (27%) ,
DCP Midstream, LP (65%) ,
Casillas Petroleum Corp (8%)
2018 8 1195 1 Merit Energy Company, LLC (26%) ,
DCP Midstream, LP (67%) ,
Casillas Petroleum Corp (7%)
2018 9 1131 1 Merit Energy Company, LLC (25%) ,
DCP Midstream, LP (68%) ,
Casillas Petroleum Corp (7%)
2018 10 1064 1 Merit Energy Company, LLC (27%) ,
DCP Midstream, LP (65%) ,
Casillas Petroleum Corp (8%)
2018 11 923 1 Merit Energy Company, LLC (25%) ,
DCP Midstream, LP (66%) ,
Casillas Petroleum Corp (9%)
2018 12 827 1 Merit Energy Company, LLC (21%) ,
DCP Midstream, LP (69%) ,
Casillas Petroleum Corp (10%)
2019 1 812 1 Merit Energy Company, LLC (18%) ,
DCP Midstream, LP (72%) ,
Casillas Petroleum Corp (10%)
2019 2 612 1 Merit Energy Company, LLC (22%) ,
DCP Midstream, LP (65%) ,
Casillas Petroleum Corp (12%)
2019 3 839 1 Merit Energy Company, LLC (24%) ,
DCP Midstream, LP (66%) ,
Casillas Petroleum Corp (10%)
2019 4 880 1 Merit Energy Company, LLC (26%) ,
DCP Midstream, LP (65%) ,
Casillas Petroleum Corp (9%)
2019 5 1041 1 Merit Energy Company, LLC (26%) ,
DCP Midstream, LP (66%) ,
Casillas Petroleum Corp (8%)
2019 6 236 1 Merit Energy Company, LLC (26%) ,
DCP Midstream, LP (40%) ,
Casillas Petroleum Corp (34%)
2019 7 1009 1 Merit Energy Company, LLC (23%) ,
DCP Midstream, LP (69%) ,
Casillas Petroleum Corp (8%)
2019 8 1133 1 Merit Energy Company, LLC (20%) ,
DCP Midstream, LP (73%) ,
Casillas Petroleum Corp (7%)
2019 9 819 1 Merit Energy Company, LLC (17%) ,
DCP Midstream, LP (73%) ,
Casillas Petroleum Corp (10%)
2019 10 790 1 Merit Energy Company, LLC (16%) ,
DCP Midstream, LP (73%) ,
Casillas Petroleum Corp (10%)
2019 11 796 1 Merit Energy Company, LLC (20%) ,
DCP Midstream, LP (70%) ,
Casillas Petroleum Corp (10%)
2019 12 827 1 Merit Energy Company, LLC (16%) ,
DCP Midstream, LP (74%) ,
Casillas Petroleum Corp (10%)
2020 1 838 1 Merit Energy Company, LLC (17%) ,
DCP Midstream, LP (73%) ,
Casillas Petroleum Corp (10%)
2020 2 818 1 Merit Energy Company, LLC (19%) ,
DCP Midstream, LP (72%) ,
Casillas Petroleum Corp (9%)
2020 3 889 1 Merit Energy Company, LLC (20%) ,
DCP Midstream, LP (71%) ,
Casillas Petroleum Corp (9%)
2020 4 862 1 Merit Energy Company, LLC (20%) ,
DCP Midstream, LP (71%) ,
Casillas Petroleum Corp (9%)
2020 5 904 1 Merit Energy Company, LLC (21%) ,
DCP Midstream, LP (70%) ,
Casillas Petroleum Corp (9%)
2020 6 927 1 Merit Energy Company, LLC (19%) ,
DCP Midstream, LP (72%) ,
Casillas Petroleum Corp (9%)
2020 7 926 1 Merit Energy Company, LLC (19%) ,
DCP Midstream, LP (72%) ,
Casillas Petroleum Corp (9%)
2020 8 834 1 Merit Energy Company, LLC (21%) ,
DCP Midstream, LP (70%) ,
Casillas Petroleum Corp (10%)
2020 9 900 1 Merit Energy Company, LLC (21%) ,
DCP Midstream, LP (70%) ,
Casillas Petroleum Corp (9%)
2020 10 1055 1 Merit Energy Company, LLC (19%) ,
DCP Midstream, LP (73%) ,
Casillas Petroleum Corp (8%)
2020 11 1065 1 Merit Energy Company, LLC (18%) ,
DCP Midstream, LP (74%) ,
Casillas Petroleum Corp (8%)
2020 12 758 1 Merit Energy Company, LLC (18%) ,
DCP Midstream, LP (71%) ,
Casillas Petroleum Corp (11%)
2021 1 944 1 Merit Energy Company, LLC (19%) ,
DCP Midstream, LP (73%) ,
Casillas Petroleum Corp (9%)
2021 2 429 1 Merit Energy Company, LLC (33%) ,
DCP Midstream, LP (50%) ,
Casillas Petroleum Corp (17%)
2021 3 1611 1 Merit Energy Company, LLC (39%) ,
DCP Midstream, LP (56%) ,
Casillas Petroleum Corp (5%)
2021 4 1264 1 Merit Energy Company, LLC (39%) ,
DCP Midstream, LP (55%) ,
Casillas Petroleum Corp (6%)
2021 5 1098 1 Merit Energy Company, LLC (39%) ,
DCP Midstream, LP (54%) ,
Casillas Petroleum Corp (7%)
2021 6 1028 1 Merit Energy Company, LLC (38%) ,
DCP Midstream, LP (55%) ,
Casillas Petroleum Corp (8%)
2021 7 1094 1 Merit Energy Company, LLC (39%) ,
DCP Midstream, LP (54%) ,
Casillas Petroleum Corp (7%)
2021 8 1082 1 Merit Energy Company, LLC (38%) ,
DCP Midstream, LP (55%) ,
Casillas Petroleum Corp (8%)
2021 9 424 1 Merit Energy Company, LLC (34%) ,
DCP Midstream, LP (47%) ,
Casillas Petroleum Corp (19%)
2021 10 1240 1 Merit Energy Company, LLC (39%) ,
DCP Midstream, LP (54%) ,
Casillas Petroleum Corp (7%)
2021 11 1034 1 Merit Energy Company, LLC (38%) ,
DCP Midstream, LP (54%) ,
Casillas Petroleum Corp (8%)
2021 12 1059 1 Merit Energy Company, LLC (38%) ,
DCP Midstream, LP (54%) ,
Casillas Petroleum Corp (8%)
2022 1 791 1 Merit Energy Company, LLC (39%) ,
DCP Midstream, LP (50%) ,
Casillas Petroleum Corp (10%)
2022 2 519 1 Merit Energy Company, LLC (38%) ,
DCP Midstream, LP (48%) ,
Casillas Petroleum Corp (14%)
2022 3 1109 1 Merit Energy Company, LLC (40%) ,
DCP Midstream, LP (52%) ,
Casillas Petroleum Corp (7%)
2022 4 1120 1 Merit Energy Company, LLC (40%) ,
DCP Midstream, LP (53%) ,
Casillas Petroleum Corp (7%)
2022 5 1204 1 Merit Energy Company, LLC (41%) ,
DCP Midstream, LP (53%) ,
Casillas Petroleum Corp (7%)
2022 6 297 1 Merit Energy Company, LLC (32%) ,
DCP Midstream, LP (41%) ,
Casillas Petroleum Corp (27%)
2022 7 591 1 Merit Energy Company, LLC (38%) ,
DCP Midstream, LP (48%) ,
Casillas Petroleum Corp (14%)
2022 8 1235 1 Merit Energy Company, LLC (41%) ,
DCP Midstream, LP (52%) ,
Casillas Petroleum Corp (7%)
2022 9 962 1 Merit Energy Company, LLC (41%) ,
DCP Midstream, LP (50%) ,
Casillas Petroleum Corp (8%)
2022 10 619 1 Merit Energy Company, LLC (38%) ,
DCP Midstream, LP (48%) ,
Casillas Petroleum Corp (13%)
2022 11 538 1 Merit Energy Company, LLC (37%) ,
DCP Midstream, LP (48%) ,
Casillas Petroleum Corp (15%)
2022 12 760 1 Merit Energy Company, LLC (39%) ,
DCP Midstream, LP (50%) ,
Casillas Petroleum Corp (11%)
2023 2 3 1 Casillas Petroleum Corp (100%)
2023 3 306 1 Merit Energy Company, LLC (39%) ,
DCP Midstream, LP (49%) ,
Casillas Petroleum Corp (12%)
2023 4 464 1 Merit Energy Company, LLC (39%) ,
DCP Midstream, LP (51%) ,
Casillas Petroleum Corp (10%)
2023 5 1305 1 Merit Energy Company, LLC (41%) ,
DCP Midstream, LP (53%) ,
Casillas Petroleum Corp (6%)
2023 6 1168 1 Merit Energy Company, LLC (44%) ,
DCP Midstream, LP (56%)
2023 7 1144 1 Merit Energy Company, LLC (42%) ,
DCP Midstream, LP (53%) ,
Casillas Petroleum Corp (5%)
2023 8 1095 1 Merit Energy Company, LLC (44%) ,
DCP Midstream, LP (56%)
2023 9 1237 1 Merit Energy Company, LLC (43%) ,
DCP Midstream, LP (53%) ,
Casillas Petroleum Corp (4%)
2023 10 221 1 Merit Energy Company, LLC (44%) ,
DCP Midstream, LP (56%)
2023 12 1539 1 Merit Energy Company, LLC (42%) ,
DCP Midstream, LP (54%) ,
Casillas Petroleum Corp (4%)
2024 1 843 1 Merit Energy Company, LLC (41%) ,
DCP Midstream, LP (52%) ,
Casillas Petroleum Corp (7%)
2024 2 2123 1 Merit Energy Company, LLC (42%) ,
DCP Midstream, LP (54%) ,
Casillas Petroleum Corp (3%)
2024 3 1343 1 Merit Energy Company, LLC (42%) ,
DCP Midstream, LP (53%) ,
Casillas Petroleum Corp (5%)
2024 4 1086 1 Merit Energy Company, LLC (37%) ,
DCP Midstream, LP (57%) ,
Casillas Petroleum Corp (6%)
2024 5 1217 1 Merit Energy Company, LLC (37%) ,
DCP Midstream, LP (57%) ,
Casillas Petroleum Corp (6%)
2024 6 1172 1 Merit Energy Company, LLC (37%) ,
DCP Midstream, LP (57%) ,
Casillas Petroleum Corp (6%)
2024 7 1170 1 Merit Energy Company, LLC (37%) ,
DCP Midstream, LP (57%) ,
Casillas Petroleum Corp (6%)


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.