GRAFF SWD

Oil · District 03 · Lease #21837

Operator: SILVER PINES ENERGY CORP.

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

10k BBL

Cum Gas

22k MCF

casinghead

Wells

1

Production

1993-01 — 1995-06

Peak Month

1993-04

Production History

Cum Oil: 9,520 BBL Cum Gas: 22,055 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,823 BBL/mo

Di (annual)

359.0%

b-factor

0.3

EUR

8,704 BBL

R-squared

0.914

type

hyperbolic

Operator History (from monthly production reports)

2014-08 — 2017-11 RAMTEX ENERGY LLC 40 mo

2005-10 — 2014-07 CHAPARRAL ENERGY, L.L.C. 106 mo

2004-11 — 2005-09 ALEGRE ENERGY OPERATING, LP 11 mo

2002-05 — 2004-10 ALEGRE ENERGY, INC. 30 mo

2000-10 — 2002-04 SILVER PINES ENERGY CORP. 19 mo

1999-03 — 2000-09 FREDONIA RESOURCES INC. 19 mo

1998-09 — 1999-02 PRUDENTIA PETROLEUM LLC 6 mo

1996-07 — 1998-08 BENSON MINERAL GROUP, INC. 26 mo

1993-01 — 1996-06 MARATHON OIL COMPANY 42 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-149-32606	RAMTEX ENERGY LLC	1	11,400	1992-03-27