AMOCO-DEATHERAGE

Oil · District 08 · Lease #27882

Operator: PETROLEGACY ENERGY II, LLC

Fields: SULPHUR DRAW (DEAN 8790)

Cum Oil

110k BBL

Cum Gas

215k MCF

casinghead

Wells

2

Production

1993-01 — 2021-07

Peak Month

1994-05

Production History

Cum Oil: 109,550 BBL Cum Gas: 215,016 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

694 BBL/mo

Di (annual)

7.6%

b-factor

0.0

EUR

107,667 BBL

R-squared

0.687

type

exponential

Operator History (from monthly production reports)

2023-06 — 2026-01 OVINTIV USA INC. 32 mo

2019-01 — 2023-05 PETROLEGACY ENERGY II, LLC 53 mo

2008-12 — 2018-12 ENDEAVOR ENERGY RESOURCES L.P. 121 mo

2006-04 — 2008-11 CHEVRON MIDCONTINENT, L.P. 32 mo

2002-01 — 2006-03 HEC PETROLEUM, INC. 51 mo

1995-12 — 2001-12 HALLWOOD PETROLEUM, INC. 73 mo

1993-01 — 1995-11 HALLWOOD ENERGY CORPORATION 35 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-317-33307	OVINTIV USA INC.	1	9,400	1985-12-06
1	42-317-32633	OVINTIV USA INC.	1	9,200	1982-12-02