GRANT, JOHN F.

Oil · District 03 · Lease #22770

Operator: WHITE OAK OPERATING COMPANY LLC

Fields: SUGAR VALLEY (FRIO 8,500)

Cum Oil

1k BBL

Cum Gas

343 MCF

casinghead

Wells

1

Production

1995-04 — 1995-11

Peak Month

1995-09

Production History

Cum Oil: 1,216 BBL Cum Gas: 343 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

496 BBL/mo

Di (annual)

717.2%

b-factor

0.0

EUR

853 BBL

R-squared

0.951

type

exponential

Operator History (from monthly production reports)

2012-12 — 2026-07 OAK ENERGY, LLC 164 mo

2005-08 — 2012-11 CHAPARRAL ENERGY, L.L.C. 88 mo

2004-07 — 2005-07 OPEX ENERGY, LLC 13 mo

2002-05 — 2004-06 WHITE OAK OPERATING COMPANY LLC 26 mo

2001-09 — 2002-04 BISON ENERGY PARTNERS, LTD. 8 mo

2000-03 — 2001-08 BISON ENERGY PARTNERS, INC. 18 mo

1996-10 — 2000-02 LAMAY CORPORATION 41 mo

1995-04 — 1996-09 OLDFIELD ACQUISITION1, L. P. 18 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-321-00598	OAK ENERGY LLC	4	9,135	2002-08-26