COOK RANCH

Oil · District 7B · Lease #27240

Operator: STASNEY WELL SERVICE, LLC

Cum Oil

10k BBL

Cum Gas

38k MCF

casinghead

Wells

1

Production

1994-07 — 2012-05

Peak Month

1995-05

Production History

Cum Oil: 9,502 BBL Cum Gas: 37,962 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

306 BBL/mo

Di (annual)

40.3%

b-factor

0.0

EUR

9,094 BBL

R-squared

0.769

type

exponential

Operator History (from monthly production reports)

2011-06 — 2026-07 STASNEY WELL SERVICE, LLC 182 mo
2010-02 — 2011-05 STASNEY, H. R. & SONS, LTD. 16 mo
2007-02 — 2010-01 CLAVO OIL, LLC 36 mo
2003-02 — 2007-01 BOO-ROW PIPE & SUPPLY, INC. 48 mo
1994-07 — 2003-01 BRECK OPERATING CORP. 103 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
B302STASNEY WELL SERVICE LLC15,5001994-06-14