BROWN "A"

Oil · District 7B · Lease #26517

Operator: OSBORN HEIRS COMPANY

Cum Oil

5k BBL

Cum Gas

29 MCF

casinghead

Wells

1

Production

1993-01 — 1994-04

Peak Month

1993-05

Production History

Cum Oil: 5,114 BBL Cum Gas: 29 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,032 BBL/mo

Di (annual)

318.2%

b-factor

0.2

EUR

4,868 BBL

R-squared

0.978

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 1994-09 OSBORN HEIRS COMPANY 21 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1COOPER OIL & GAS, LLC25,1001994-04-04