COLE-WILLIAMSON -6-

Oil · District 08 · Lease #30624

Operator: RUST OIL CORP.

Cum Oil

2k BBL

Cum Gas

21 MCF

casinghead

Wells

1

Production

1993-01 — 2008-05

Peak Month

1993-05

Production History

Cum Oil: 1,528 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

57 BBL/mo

Di (annual)

30.9%

b-factor

0.0

EUR

2,190 BBL

R-squared

0.918

type

exponential

Operator History (from monthly production reports)

1995-08 — 2026-07 BROCK, J. 372 mo
1993-01 — 1995-07 RUST OIL CORP. 31 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BROCK J.25,9001986-02-03