< leases

AMO, WANDA G.

Oil · District 8A · Lease #63345

Operator: VANGUARD PERMIAN, LLC

Fields: BROWNFIELD, S. (FUSSELMAN)

Cum Oil

134k BBL

Cum Gas

3k MCF

casinghead

Wells

2

Production

1993-01 — 2013-11

Peak Month

2009-11

Production History

Cum Oil: 133,731 BBL Cum Gas: 2,750 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,460 BBL/mo

Di (annual)

80.7%

b-factor

0.2

EUR

45,626 BBL

R-squared

0.826

type

hyperbolic

Operator History (from monthly production reports)

2015-05 — 2017-11 VANGUARD OPERATING, LLC 31 mo
2011-05 — 2015-04 VANGUARD PERMIAN, LLC 48 mo
2005-07 — 2011-04 BLUE RIDGE RESOURCES, LLC 70 mo
1997-05 — 2005-06 PETRA OLEUM CORP. 98 mo
1997-02 — 1997-04 COSTILLA ENERGY, INC. 3 mo
1993-01 — 1997-01 COSTILLA PETROLEUM CORPORATION 49 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ST42-445-30963VANGUARD OPERATING LLC212,0501981-12-23
142-445-30925VANGUARD OPERATING LLC112,0001981-04-01