W. J. FOX 'A'

Oil · District 02 · Lease #10453

Operator: HILCORP ENERGY COMPANY

Cum Oil

27k BBL

Cum Gas

58k MCF

casinghead

Wells

2

Production

2011-12 — 2017-04

Peak Month

2013-02

Production History

Cum Oil: 27,327 BBL Cum Gas: 57,643 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,374 BBL/mo

Di (annual)

129.1%

b-factor

0.8

EUR

40,188 BBL

R-squared

0.492

type

hyperbolic

Operator History (from monthly production reports)

2011-12 — 2026-07 HILCORP ENERGY COMPANY 176 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
37HILCORP ENERGY COMPANY57,7152018-02-22
34HILCORP ENERGY COMPANY27,7162015-03-04