CASSLE

Oil · District 7B · Lease #26583

Operator: YOUNG, MARSHALL R., OIL CO.

Cum Oil

78k BBL

Cum Gas

154k MCF

casinghead

Wells

1

Production

1993-01 — 2026-03

Peak Month

2004-07

Production History

Cum Oil: 77,511 BBL Cum Gas: 153,520 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

506 BBL/mo

Di (annual)

8.7%

b-factor

0.1

EUR

74,326 BBL

R-squared

0.806

type

hyperbolic

Operator History (from monthly production reports)

2025-10 — 2026-07 POP OPERATING COMPANY 10 mo
1996-10 — 2025-09 WALSH & WATTS, INC. 348 mo
1993-01 — 1996-09 YOUNG, MARSHALL R., OIL CO. 45 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
16POP OPERATING COMPANY16,1001992-05-13