POWELL "15B"

Oil · District 08 · Lease #34266

Operator: VANGUARD PERMIAN, LLC

Cum Oil

299k BBL

Cum Gas

452k MCF

casinghead

Wells

1

Production

1994-09 — 2017-01

Peak Month

1996-04

Production History

Cum Oil: 298,642 BBL Cum Gas: 451,735 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,582 BBL/mo

Di (annual)

71.4%

b-factor

0.1

EUR

253,632 BBL

R-squared

0.897

type

hyperbolic

Operator History (from monthly production reports)

2015-05 — current VANGUARD OPERATING, LLC 21 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
1994-09 — 1998-03 TREND EXPLORATION COMPANY 43 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
33DVANGUARD OPERATING LLC18,5001994-08-22