WHITING 12

Oil · District 08 · Lease #40198

Operator: SM ENERGY COMPANY

Fields: SPRABERRY (TREND AREA)

Cum Oil

14k BBL

Cum Gas

3k MCF

casinghead

Wells

1

Production

2010-06 — 2017-11

Peak Month

2010-09

Production History

Cum Oil: 14,221 BBL Cum Gas: 2,921 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

339 BBL/mo

Di (annual)

33.5%

b-factor

0.0

EUR

12,114 BBL

R-squared

0.392

type

exponential

Operator History (from monthly production reports)

2017-01 — 2020-11 SM ENERGY COMPANY 47 mo

2015-08 — 2016-12 QSTAR OPERATING LLC 17 mo

2010-06 — 2015-07 MIDLAND OIL AND GAS, INC. 62 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-227-36267	SM ENERGY COMPANY	2	8,500	2009-11-19