DOSSETT UNIT

Oil · District 08 · Lease #40001

Operator: OVINTIV USA INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

33k BBL

Cum Gas

79k MCF

casinghead

Wells

1

Production

2010-02 — 2023-06

Peak Month

2010-07

Production History

Cum Oil: 32,705 BBL Cum Gas: 79,152 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

979 BBL/mo

Di (annual)

40.5%

b-factor

0.0

EUR

28,963 BBL

R-squared

0.616

type

exponential

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

2010-02 — 2011-09 ELEMENT PETROLEUM OPERATING, LLC 20 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-227-36273	OVINTIV USA INC.	2	10,200	2010-09-28