COOK, W.I. ESTATE, SEC. III A

Oil · District 7B · Lease #25800

Operator: YOUNG, MARSHALL R., OIL CO.

Cum Oil

8k BBL

Cum Gas

52k MCF

casinghead

Wells

1

Production

1993-01 — 2003-08

Peak Month

1995-08

Production History

Cum Oil: 7,894 BBL Cum Gas: 52,342 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

115 BBL/mo

Di (annual)

17.9%

b-factor

0.0

EUR

7,601 BBL

R-squared

0.450

type

exponential

Operator History (from monthly production reports)

1998-11 — 2004-06 STASNEY, H. R. & SONS, LTD. 68 mo
1993-01 — 1998-10 YOUNG, MARSHALL R., OIL CO. 70 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
47STASNEY, H. R. & SONS, LTD.35,4001995-04-07