PRYOR

Oil · District 06 · Lease #12005

Operator: WINCHESTER PRODUCTION COMPANY

Fields: WASKOM (SANDERS SAND)

Cum Oil

77k BBL

Cum Gas

17k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-11

Production History

Cum Oil: 76,588 BBL Cum Gas: 16,951 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

225 BBL/mo

Di (annual)

8.4%

b-factor

0.0

EUR

31,574 BBL

R-squared

0.379

type

exponential

Operator History (from monthly production reports)

2018-11 — 2026-07 BROOKSTON ENERGY, INC. 93 mo

2015-12 — 2018-10 INDIGO RESOURCES LLC 35 mo

2014-07 — 2015-11 COMPASS ENERGY OPERATING, LLC 17 mo

2013-02 — 2014-06 EXCO/HGI JV ASSETS, LLC 17 mo

2010-01 — 2013-01 EXCO OPERATING COMPANY, LP 37 mo

2008-07 — 2009-12 EXCO PRODUCTION COMPANY, LP 18 mo

2007-05 — 2008-06 WINCHESTER PRODUCTION CO., LTD. 14 mo

2003-09 — 2007-04 WINCHESTER PRODUCTION COMPANY 44 mo

1994-02 — 2003-08 HOPEWELL OPERATING, INC. 115 mo

1993-01 — 1994-01 SHELBY, MICHAEL H. 13 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-203-31433	BROOKSTON ENERGY, INC.	1	6,300	1986-04-15

PRYOR

Production HistoryBeta Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]

Decline Curve Analysis

Operator History (from monthly production reports)

Wells (1)

Production History