POWELL "16"

Oil · District 08 · Lease #36012

Operator: VANGUARD PERMIAN, LLC

Fields: COBRA (WOLFCAMP)

Cum Oil

229k BBL

Cum Gas

482k MCF

casinghead

Wells

2

Production

1999-05 — 2018-03

Peak Month

2000-03

Production History

Cum Oil: 228,895 BBL Cum Gas: 482,299 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,581 BBL/mo

Di (annual)

32.1%

b-factor

0.1

EUR

231,905 BBL

R-squared

0.643

type

hyperbolic

Operator History (from monthly production reports)

2017-07 — 2020-07 OXY USA INC. 37 mo

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

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

1999-05 — 2013-03 RANGE PRODUCTION COMPANY 167 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-173-32964	OXY USA INC.	1	8,500	1999-04-14
1601	42-173-32964	OXY USA INC.	1	8,500	1999-04-14