ARMSTRONG, ANNIE "B"

Oil · District 8A · Lease #69526

Operator: HILCORP ENERGY COMPANY

Cum Oil

62k BBL

Cum Gas

48k MCF

casinghead

Wells

1

Production

2010-03 — 2026-04

Peak Month

2010-04

Production History

Cum Oil: 61,966 BBL Cum Gas: 48,360 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

484 BBL/mo

Di (annual)

7.5%

b-factor

0.0

EUR

75,442 BBL

R-squared

0.470

type

exponential

Operator History (from monthly production reports)

2024-12 — 2026-07 HILCORP ENERGY COMPANY 20 mo
2010-03 — 2024-11 APACHE CORPORATION 177 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HILCORP ENERGY COMPANY214,2002010-04-15