POWELL "20C"

Oil · District 08 · Lease #36844

Operator: VANGUARD PERMIAN, LLC

Fields: COBRA (WOLFCAMP)

Cum Oil

117k BBL

Cum Gas

206k MCF

casinghead

Wells

1

Production

2002-04 — 2017-07

Peak Month

2002-08

Production History

Cum Oil: 116,655 BBL Cum Gas: 206,179 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,046 BBL/mo

Di (annual)

282.7%

b-factor

0.5

EUR

84,303 BBL

R-squared

0.942

type

hyperbolic

Operator History (from monthly production reports)

2017-07 — 2020-10 OXY USA INC. 40 mo

2015-05 — 2017-06 VANGUARD OPERATING, LLC 26 mo

2013-04 — 2015-04 VANGUARD PERMIAN, LLC 25 mo

2002-04 — 2013-03 RANGE PRODUCTION COMPANY 132 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-173-33072	OXY USA INC.	1	8,999	2002-01-08