ELBERT LONG 18

Oil · District 08 · Lease #41068

Operator: OVINTIV USA INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

75k BBL

Cum Gas

659k MCF

casinghead

Wells

1

Production

2010-12 — 2026-04

Peak Month

2011-01

Production History

Cum Oil: 74,738 BBL Cum Gas: 658,953 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,573 BBL/mo

Di (annual)

208.8%

b-factor

0.5

EUR

62,934 BBL

R-squared

0.879

type

hyperbolic

Operator History (from monthly production reports)

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

2015-02 — 2020-01 ENCANA OIL & GAS(USA) INC. 60 mo

2014-01 — 2015-01 ATHLON HOLDINGS LP 13 mo

2011-10 — 2013-12 ATHLON FE OPERATING LLC 27 mo

2010-12 — 2011-09 ELEMENT PETROLEUM OPERATING, LLC 10 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-227-36485	OVINTIV USA INC.	1	11,000	2010-09-02