COWDEN RANCH -6-

Oil · District 08 · Lease #32731

Operator: RUST OIL CORP.

Cum Oil

197k BBL

Cum Gas

23k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-12

Production History

Cum Oil: 197,007 BBL Cum Gas: 23,011 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

699 BBL/mo

Di (annual)

3.5%

b-factor

0.0

EUR

198,666 BBL

R-squared

0.426

type

exponential

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8RUST OIL CORP.39,0001989-12-14