LONG 18

Oil · District 08 · Lease #38907

Operator: SM ENERGY COMPANY

Fields: SPRABERRY (TREND AREA)

Cum Oil

24k BBL

Cum Gas

36k MCF

casinghead

Wells

1

Production

2008-07 — 2023-06

Peak Month

2008-08

Production History

Cum Oil: 24,169 BBL Cum Gas: 35,797 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

908 BBL/mo

Di (annual)

119.8%

b-factor

0.7

EUR

24,281 BBL

R-squared

0.638

type

hyperbolic

Operator History (from monthly production reports)

2020-02 — 2026-07 OVINTIV USA INC. 78 mo

2018-07 — 2020-01 ENCANA OIL & GAS(USA) INC. 19 mo

2016-10 — 2018-06 SM ENERGY COMPANY 21 mo

2015-10 — 2016-09 JPM EOC OPERATING, INC. 12 mo

2010-10 — 2015-09 LINN OPERATING, INC. 60 mo

2009-03 — 2010-09 ELEMENT PETROLEUM OPERATING, LLC 19 mo

2008-07 — 2009-02 MANHATTAN PETROLEUM, INC. 8 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-227-36130	OVINTIV USA INC.	1	11,000	2008-04-26