DUNBAR

Oil · District 08 · Lease #44520

Operator: SM ENERGY COMPANY

Fields: SPRABERRY (TREND AREA)

Cum Oil

33k BBL

Cum Gas

267k MCF

casinghead

Wells

1

Production

2014-01 — 2020-05

Peak Month

2014-10

Production History

Cum Oil: 33,495 BBL Cum Gas: 266,529 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,093 BBL/mo

Di (annual)

141.5%

b-factor

0.5

EUR

34,537 BBL

R-squared

0.856

type

hyperbolic

Operator History (from monthly production reports)

2017-01 — 2020-10 SM ENERGY COMPANY 46 mo

2016-05 — 2016-12 QSTAR OPERATING LLC 8 mo

2014-01 — 2016-04 ENDEAVOR ENERGY RESOURCES L.P. 28 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3011	42-227-37506	SM ENERGY COMPANY	1	12,000	2013-06-04