COWDEN RANCH 656 (CISCO)UNIT

Oil · District 08 · Lease #36439

Operator: RUST OIL CORP.

Cum Oil

94k BBL

Cum Gas

301k MCF

casinghead

Wells

5

Production

2000-09 — 2018-07

Peak Month

2001-01

Production History

Cum Oil: 94,147 BBL Cum Gas: 301,206 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,495 BBL/mo

Di (annual)

40.9%

b-factor

0.0

EUR

73,191 BBL

R-squared

0.843

type

exponential

Operator History (from monthly production reports)

2000-09 — 2026-07 RUST OIL CORP. 311 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1RUST OIL CORP.29,0002025-08-29
2RUST OIL CORP.29,6002024-05-30
5RUST OIL CORP.19,5001998-09-21
4RUST OIL CORP.19,5001998-04-01
3RUST OIL CORP.19,5001997-09-26