POWELL "2D"

Oil · District 08 · Lease #35745

Operator: VANGUARD PERMIAN, LLC

Fields: COBRA (WOLFCAMP)

Cum Oil

73k BBL

Cum Gas

98k MCF

casinghead

Wells

1

Production

1998-02 — 2002-12

Peak Month

1998-07

Production History

Cum Oil: 72,808 BBL Cum Gas: 97,663 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,707 BBL/mo

Di (annual)

405.3%

b-factor

0.6

EUR

47,819 BBL

R-squared

0.935

type

hyperbolic

Operator History (from monthly production reports)

2017-07 — 2019-07 OXY USA INC. 25 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

1998-03 — 1998-08 LOMAK PRODUCTION COMPANY 6 mo

1998-02 — 1998-02 TREND EXPLORATION COMPANY 1 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
43D	42-173-32862	OXY USA INC.	1	8,800	1998-01-26