< leases

MCILWAIN

Oil · District 7B · Lease #28517

Operator: YOUNG, MARSHALL R., OIL CO.

Fields: N. FUNSTON (FLIPPEN LIME)

Cum Oil

55k BBL

Cum Gas

2k MCF

casinghead

Wells

3

Production

1998-08 — 2021-08

Peak Month

1998-09

Production History

Cum Oil: 54,956 BBL Cum Gas: 2,053 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,885 BBL/mo

Di (annual)

67.4%

b-factor

0.2

EUR

64,090 BBL

R-squared

0.636

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 (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-253-34328YOUNG MARSHALL R. OIL CO.23,8001998-08-28
342-253-34341YOUNG MARSHALL R. OIL CO.22,9001998-08-28
142-253-34320YOUNG MARSHALL R. OIL CO.23,8001998-08-26