MANUEL

Oil · District 7B · Lease #26255

Operator: BLACK STAR OIL COMPANY

Cum Oil

17k BBL

Cum Gas

21 MCF

casinghead

Wells

1

Production

1993-01 — 2000-01

Peak Month

1993-01

Production History

Cum Oil: 16,988 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,146 BBL/mo

Di (annual)

188.5%

b-factor

0.5

EUR

14,179 BBL

R-squared

0.789

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2026-07 BLACK STAR OIL COMPANY 403 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BLACK STAR OIL COMPANY24,9001991-05-14