BROWN "A"

Oil · District 7B · Lease #27212

Operator: OSBORN HEIRS COMPANY

Cum Oil

145k BBL

Cum Gas

509k MCF

casinghead

Wells

1

Production

1994-05 — 2026-04

Peak Month

2002-08

Production History

Cum Oil: 145,389 BBL Cum Gas: 508,657 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,890 BBL/mo

Di (annual)

24.7%

b-factor

0.2

EUR

113,879 BBL

R-squared

0.878

type

hyperbolic

Operator History (from monthly production reports)

2016-02 — 2026-07 COOPER OIL & GAS, LLC 126 mo
2015-12 — 2016-01 BURK ROYALTY CO., LTD. 2 mo
1994-05 — 2015-11 OSBORN HEIRS COMPANY 259 mo

Wells (1)

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