COWDEN RANCH -18-

Oil · District 08 · Lease #32584

Operator: RUST OIL CORP.

Cum Oil

87k BBL

Cum Gas

101k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1994-01

Production History

Cum Oil: 86,859 BBL Cum Gas: 100,553 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

513 BBL/mo

Di (annual)

7.2%

b-factor

0.0

EUR

82,898 BBL

R-squared

0.866

type

exponential

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2RUST OIL CORP.29,5001986-10-20