POWELL "11F"

Oil · District 08 · Lease #36867

Operator: VANGUARD PERMIAN, LLC

Fields: COBRA (WOLFCAMP)

Cum Oil

702k BBL

Cum Gas

2.6M MCF

casinghead

Wells

1

Production

2002-05 — 2019-08

Peak Month

2010-01

Production History

Cum Oil: 702,272 BBL Cum Gas: 2,573,387 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,523 BBL/mo

Di (annual)

16.7%

b-factor

0.0

EUR

541,934 BBL

R-squared

0.776

type

exponential

Operator History (from monthly production reports)

2017-07 — 2021-01 OXY USA INC. 43 mo

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

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

2002-05 — 2013-03 RANGE PRODUCTION COMPANY 131 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-173-33064	OXY USA INC.	1	8,999	2002-01-09