WHITESIDE "66B"

Oil · District 7B · Lease #22387

Operator: SHIFFLETT OPERATING COMPANY

Cum Oil

23k BBL

Cum Gas

133 MCF

casinghead

Wells

1

Production

1993-01 — 2000-01

Peak Month

1993-01

Production History

Cum Oil: 23,022 BBL Cum Gas: 133 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

479 BBL/mo

Di (annual)

18.9%

b-factor

0.0

EUR

30,327 BBL

R-squared

0.760

type

exponential

Operator History (from monthly production reports)

2001-04 — 2026-07 CRARUTH ENERGY CORPORATION 304 mo
1998-11 — 2001-03 SHIFFLETT OPERATING COMPANY 29 mo
1993-01 — 1998-10 MARALO, INC. 70 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2CRARUTH ENERGY CORPORATION16,8001985-09-17