< leases

MCILWAIN

Oil · District 7B · Lease #28528

Operator: YOUNG, MARSHALL R., OIL CO.

Fields: N. FUNSTON (COOK LIME)

Cum Oil

38k BBL

Cum Gas

2k MCF

casinghead

Wells

2

Production

1998-08 — 2019-08

Peak Month

1998-10

Production History

Cum Oil: 37,830 BBL Cum Gas: 1,965 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,227 BBL/mo

Di (annual)

111.1%

b-factor

0.4

EUR

21,785 BBL

R-squared

0.531

type

hyperbolic

Operator History (from monthly production reports)

2025-08 — 2026-07 CDJ OIL COMPANY, LLC 12 mo
2017-11 — 2025-07 CDJ OIL CO. 93 mo
2011-11 — 2017-10 5L PROPERTIES, INC. 72 mo
2002-07 — 2011-10 CDJ OIL CO. 112 mo
1998-08 — 2002-06 YOUNG, MARSHALL R., OIL CO. 47 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-253-34342YOUNG MARSHALL R. OIL CO.22,9001998-09-24
342-253-34341YOUNG MARSHALL R. OIL CO.22,9001998-08-28