COWDEN RANCH -7-

Oil · District 08 · Lease #32581

Operator: RUST OIL CORP.

Cum Oil

182k BBL

Cum Gas

208k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

1993-06

Production History

Cum Oil: 181,728 BBL Cum Gas: 207,960 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,158 BBL/mo

Di (annual)

8.4%

b-factor

0.0

EUR

163,226 BBL

R-squared

0.924

type

exponential

Operator History (from monthly production reports)

1993-01 — 2026-07 RUST OIL CORP. 403 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5RUST OIL CORP.29,0001987-04-14
4RUST OIL CORP.29,0001986-12-09
2RUST OIL CORP.29,5001986-02-11