POWELL "9B"

Oil · District 08 · Lease #34207

Operator: VANGUARD PERMIAN, LLC

Fields: BLALOCK LAKE,S.(WOLFCAMP)

Cum Oil

168k BBL

Cum Gas

164k MCF

casinghead

Wells

1

Production

1994-06 — 2019-09

Peak Month

1994-09

Production History

Cum Oil: 167,692 BBL Cum Gas: 164,053 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,081 BBL/mo

Di (annual)

275.2%

b-factor

0.7

EUR

163,649 BBL

R-squared

0.519

type

hyperbolic

Operator History (from monthly production reports)

2017-07 — 2020-09 OXY USA INC. 39 mo

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

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

1998-09 — 2013-03 RANGE PRODUCTION COMPANY 175 mo

1998-04 — 1998-08 LOMAK PRODUCTION COMPANY 5 mo

1994-06 — 1998-03 TREND EXPLORATION COMPANY 46 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
33D	42-173-32439	OXY USA INC.	1	8,600	1994-05-20