TREES 13

Oil · District 08 · Lease #38253

Operator: WHITING OIL AND GAS CORPORATION

Cum Oil

19k BBL

Cum Gas

55k MCF

casinghead

Wells

1

Production

2007-01 — 2012-07

Peak Month

2007-07

Production History

Cum Oil: 18,520 BBL Cum Gas: 54,805 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,396 BBL/mo

Di (annual)

145.2%

b-factor

0.3

EUR

16,388 BBL

R-squared

0.587

type

hyperbolic

Operator History (from monthly production reports)

2011-10 — 2014-02 WHITING OIL AND GAS CORPORATION 29 mo
2010-08 — 2011-09 NORDSTRAND ENGINEERING, INC. 14 mo
2007-01 — 2010-07 SAMSON LONE STAR, LLC 43 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CONTINENTAL RESOURCES, INC.414,9502012-01-18