COOK, W. I., EST. -B- /SEC. 90/

Oil · District 7B · Lease #7068

Operator: YOUNG, MARSHALL R., OIL CO.

Fields: COOK RANCH

Cum Oil

24k BBL

Cum Gas

21 MCF

casinghead

Wells

3

Production

1993-01 — 2009-01

Peak Month

1996-11

Production History

Cum Oil: 23,713 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

224 BBL/mo

Di (annual)

11.7%

b-factor

0.0

EUR

22,778 BBL

R-squared

0.579

type

exponential

Operator History (from monthly production reports)

2010-04 — 2012-02 STASNEY WELL SERVICE, LLC 23 mo
1998-11 — 2010-03 STASNEY, H. R. & SONS, LTD. 137 mo
1993-01 — 1998-10 YOUNG, MARSHALL R., OIL CO. 70 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
51YOUNG MARSHALL R. OIL CO.11,7751988-10-18
4242-417-01578STASNEY WELL SERVICE LLC------
942-417-11736STASNEY WELL SERVICE LLC------