KGS Home Page Oil and Gas Index Page Lease Production Page

Yearly and monthly production

HILLYARD 1-2 Lease 		Save To File
Lease: HILLYARD 1-2
Operator: Casillas Petroleum Corp
Location: NW SE NE T26S, R37W, Sec. 11
Cumulative Production: 1261538 mcf (from 1996 to 2024)
KS Dept. of Revenue Lease Code: 221035
KS Dept. of Revenue Lease Name: HILLYARD 1-2
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 R37W, Sec. 11, NW SE NE
Lease: HILLYARD 1-2
Operator: HELMERICH & PAYNE
Current Operator: Casillas Petroleum Corp
API Number: 15-093-21500

Data are received monthly from the Kansas Department of Revenue.


Annual Gas Production, (mcf)

Year Production Wells
Production Plots

1996 92,086 -
1997 138,196 -
1998 106,312 -
1999 92,223 -
2000 84,480 -
2001 72,801 -
2002 64,926 1
2003 68,208 1
2004 58,296 1
2005 49,852 1
2006 44,394 1
2007 32,028 1
2008 39,336 1
2009 32,810 1
2010 31,591 1
2011 27,996 1
2012 26,338 1
2013 24,236 1
2014 23,784 1
2015 22,495 1
2016 21,438 1
2017 16,825 1
2018 14,699 1
2019 17,752 1
2020 16,591 1
2021 13,498 1
2022 12,347 1
2023 10,166 1
2024 5,834 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 2060 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 2 1948 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 1998 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 5 2064 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 6 2072 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 7 2020 1 Cimarex Energy Co. (50%) ,
Regency Field Services LLC (50%)
2014 8 2407 1 Cimarex Energy Co. (47%) ,
Regency Field Services LLC (47%) ,
Casillas Petroleum Corp (6%)
2014 9 2142 1 Cimarex Energy Co. (46%) ,
Regency Field Services LLC (46%) ,
Casillas Petroleum Corp (7%)
2014 10 2143 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2014 11 1853 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2014 12 1349 1 Regency Field Services LLC (89%) ,
Casillas Petroleum Corp (11%)
2015 1 1403 1 Regency Field Services LLC (89%) ,
Casillas Petroleum Corp (11%)
2015 2 1178 1 Regency Field Services LLC (88%) ,
Casillas Petroleum Corp (12%)
2015 3 1438 1 Regency Field Services LLC (89%) ,
Casillas Petroleum Corp (11%)
2015 4 2379 1 Regency Field Services LLC (94%) ,
Casillas Petroleum Corp (6%)
2015 5 2278 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2015 6 2102 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2015 7 2144 1 Regency Field Services LLC (93%) ,
Casillas Petroleum Corp (7%)
2015 8 2055 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2015 9 2024 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2015 10 2138 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2015 11 1790 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2015 12 1566 1 CASILLAS PETROLEUM CORP (10%) ,
REGENCY FIELD SERVICES LLC (90%)
2016 1 1513 1 CASILLAS PETROLEUM CORP (10%) ,
REGENCY FIELD SERVICES LLC (90%)
2016 2 1492 1 CASILLAS PETROLEUM CORP (10%) ,
REGENCY FIELD SERVICES LLC (90%)
2016 3 1774 1 CASILLAS PETROLEUM CORP (9%) ,
REGENCY FIELD SERVICES LLC (91%)
2016 4 2024 1 CASILLAS PETROLEUM CORP (7%) ,
REGENCY FIELD SERVICES LLC (93%)
2016 5 2032 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 6 1943 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 7 1925 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 8 1877 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 9 1861 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 10 1885 1 CASILLAS PETROLEUM CORP (8%) ,
REGENCY FIELD SERVICES LLC (92%)
2016 11 1798 1 Regency Field Services LLC (92%) ,
Casillas Petroleum Corp (8%)
2016 12 1314 1 Regency Field Services LLC (88%) ,
Casillas Petroleum Corp (12%)
2017 1 1085 1 Regency Field Services LLC (86%) ,
Casillas Petroleum Corp (14%)
2017 2 1040 1 Regency Field Services LLC (86%) ,
Casillas Petroleum Corp (14%)
2017 3 1211 1 Regency Field Services LLC (87%) ,
Casillas Petroleum Corp (13%)
2017 4 1345 1 Regency Field Services LLC (89%) ,
Casillas Petroleum Corp (11%)
2017 5 1643 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2017 6 1658 1 Regency Field Services LLC (91%) ,
Casillas Petroleum Corp (9%)
2017 7 1596 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2017 8 1575 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2017 9 1530 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2017 10 1542 1 Regency Field Services LLC (90%) ,
Casillas Petroleum Corp (10%)
2017 11 1291 1 Regency Field Services LLC (88%) ,
Casillas Petroleum Corp (12%)
2017 12 1309 1 Regency Field Services LLC (88%) ,
Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 1 1095 1 Regency Field Services LLC (86%) ,
Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 2 934 1 Regency Field Services LLC (85%) ,
Casillas Petroleum Corp (15%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 3 1143 1 Regency Field Services LLC (86%) ,
Casillas Petroleum Corp (14%)
2018 4 1245 1 Regency Field Services LLC (88%) ,
Casillas Petroleum Corp (12%)
2018 5 1120 1 Regency Field Services LLC (86%) ,
Casillas Petroleum Corp (14%)
2018 6 150 1 Regency Field Services LLC (0%) ,
Casillas Petroleum Corp (100%) ,
ETC TEXAS PIPELINE LTD (0%)
2018 7 1687 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2018 8 1686 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2018 9 1681 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2018 10 1612 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2018 11 1187 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2018 12 1159 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2019 1 1216 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2019 2 1115 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2019 3 1409 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2019 4 1359 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2019 5 1795 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2019 6 1716 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2019 7 1622 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2019 8 1664 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2019 9 1709 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2019 10 1623 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2019 11 1284 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2019 12 1240 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (88%)
2020 1 1243 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2020 2 1373 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2020 3 1530 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2020 4 757 1 Casillas Petroleum Corp (20%) ,
ETC TEXAS PIPELINE LTD (80%)
2020 5 1717 1 Casillas Petroleum Corp (9%) ,
ETC TEXAS PIPELINE LTD (91%)
2020 6 1471 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2020 7 1569 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2020 8 1522 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2020 9 1499 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2020 10 1511 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2020 11 1248 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2020 12 1151 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2021 1 1141 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2021 2 628 1 Casillas Petroleum Corp (22%) ,
ETC TEXAS PIPELINE LTD (78%)
2021 3 1194 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2021 4 899 1 Casillas Petroleum Corp (17%) ,
ETC TEXAS PIPELINE LTD (83%)
2021 5 798 1 Casillas Petroleum Corp (19%) ,
ETC TEXAS PIPELINE LTD (81%)
2021 6 1429 1 Casillas Petroleum Corp (10%) ,
ETC TEXAS PIPELINE LTD (90%)
2021 7 1374 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2021 8 1278 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2021 9 1252 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2021 10 1379 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2021 11 1084 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2021 12 1042 1 Casillas Petroleum Corp (15%) ,
ETC TEXAS PIPELINE LTD (85%)
2022 1 689 1 Casillas Petroleum Corp (22%) ,
ETC TEXAS PIPELINE LTD (78%)
2022 2 738 1 Casillas Petroleum Corp (19%) ,
ETC TEXAS PIPELINE LTD (81%)
2022 3 1092 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2022 4 1223 1 Casillas Petroleum Corp (12%) ,
ETC TEXAS PIPELINE LTD (88%)
2022 5 1400 1 Casillas Petroleum Corp (11%) ,
ETC TEXAS PIPELINE LTD (89%)
2022 6 1041 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2022 7 962 1 Casillas Petroleum Corp (16%) ,
ETC TEXAS PIPELINE LTD (84%)
2022 8 1183 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2022 9 1114 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2022 10 1149 1 Casillas Petroleum Corp (13%) ,
ETC TEXAS PIPELINE LTD (87%)
2022 11 1067 1 Casillas Petroleum Corp (14%) ,
ETC TEXAS PIPELINE LTD (86%)
2022 12 689 1 Casillas Petroleum Corp (22%) ,
ETC TEXAS PIPELINE LTD (78%)
2023 1 767 1 Casillas Petroleum Corp (18%) ,
ETC TEXAS PIPELINE LTD (82%)
2023 2 679 1 Casillas Petroleum Corp (20%) ,
ETC TEXAS PIPELINE LTD (80%)
2023 3 823 1 Casillas Petroleum Corp (19%) ,
ETC TEXAS PIPELINE LTD (81%)
2023 4 838 1 Casillas Petroleum Corp (8%) ,
ETC TEXAS PIPELINE LTD (92%)
2023 5 1277 1 Casillas Petroleum Corp (6%) ,
ETC TEXAS PIPELINE LTD (94%)
2023 6 974 1 Casillas Petroleum Corp (6%) ,
ETC TEXAS PIPELINE LTD (94%)
2023 7 1016 1 Casillas Petroleum Corp (6%) ,
ETC TEXAS PIPELINE LTD (94%)
2023 8 1031 1 Casillas Petroleum Corp (6%) ,
ETC TEXAS PIPELINE LTD (94%)
2023 9 364 1 Casillas Petroleum Corp (8%) ,
ET Gathering and Processing LLC (92%)
2023 10 666 1 Casillas Petroleum Corp (5%) ,
ET Gathering and Processing LLC (95%)
2023 11 919 1 Casillas Petroleum Corp (7%) ,
ET Gathering and Processing LLC (93%)
2023 12 812 1 Casillas Petroleum Corp (8%) ,
ET Gathering and Processing LLC (92%)
2024 1 466 1 Casillas Petroleum Corp (14%) ,
ET Gathering and Processing LLC (86%)
2024 2 738 1 Casillas Petroleum Corp (8%) ,
ET Gathering and Processing LLC (92%)
2024 3 767 1 Casillas Petroleum Corp (9%) ,
ET Gathering and Processing LLC (91%)
2024 4 802 1 Casillas Petroleum Corp (8%) ,
ET Gathering and Processing LLC (92%)
2024 5 1010 1 Casillas Petroleum Corp (6%) ,
ET Gathering and Processing LLC (94%)
2024 6 1006 1 Casillas Petroleum Corp (5%) ,
ET Gathering and Processing LLC (95%)
2024 7 1045 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.