COWDEN, E.F. "F"

Oil · District 08 · Lease #32289

Operator: RUST OIL CORP.

Fields: FOSTER

Cum Oil

4k BBL

Cum Gas

1k MCF

casinghead

Wells

1

Production

1993-01 — 2016-11

Peak Month

1995-11

Production History

Cum Oil: 4,491 BBL Cum Gas: 1,167 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

75 BBL/mo

Di (annual)

340.3%

b-factor

0.7

EUR

641 BBL

R-squared

0.322

type

hyperbolic

Operator History (from monthly production reports)

2017-04 — 2020-12 RAPTOR PETROLEUM DEVELOP, LLC 45 mo
2014-05 — 2017-03 RUST OIL CORP. 35 mo
2006-05 — 2014-04 FREEMAN OIL CO 96 mo
2000-07 — 2006-04 COOK, KENNETH D. OPERATOR 70 mo
1993-01 — 2000-06 PRAIRIE CRUDE, INC. 90 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3RAPTOR PETROLEUM DEVELOP LLC14,4001978-10-24