COWDEN RANCH "48"

Oil · District 10 · Lease #36606

Operator: VANGUARD OPERATING, LLC

Cum Oil

452k BBL

Cum Gas

0 MCF

Wells

2

Production

2001-04 — 2026-03

Peak Month

2001-09

Production History

Cum Oil: 451,867 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

6,580 BBL/mo

Di (annual)

77.2%

b-factor

1.1

EUR

418,501 BBL

R-squared

0.867

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8SOUTHWESTERN ENERGY PROD. CO.27,7002001-05-14
7SOUTHWESTERN ENERGY PROD. CO.27,8002001-04-02
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