LANGLEY

Oil · District 08 · Lease #38979

Operator: SM ENERGY COMPANY

Fields: SPRABERRY (TREND AREA)

Cum Oil

17k BBL

Cum Gas

35k MCF

casinghead

Wells

2

Production

2008-09 — 2026-03

Peak Month

2016-07

Production History

Cum Oil: 16,841 BBL Cum Gas: 35,397 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

251 BBL/mo

Di (annual)

23.1%

b-factor

0.0

EUR

12,990 BBL

R-squared

0.527

type

exponential

Operator History (from monthly production reports)

2021-08 — 2026-07 SMC OIL & GAS, INC. 60 mo

2017-02 — 2021-07 SM ENERGY COMPANY 54 mo

2010-07 — 2017-01 LAREDO PETROLEUM, INC. 79 mo

2008-09 — 2010-06 CADENCE ENERGY PARTNERS, LLC 22 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-227-36143	SMC OIL & GAS, INC.	1	9,600	2008-05-20
1	42-227-36142	SMC OIL & GAS, INC.	1	9,600	2008-05-19