EASTWOOD -A-

Oil · District 01 · Lease #11794

Operator: RIFE OIL PROPERTIES, INC.

Fields: SOMERSET

Cum Oil

167 BBL

Cum Gas

12 MCF

casinghead

Wells

2

Production

1993-01 — 1995-10

Peak Month

1993-01

Production History

Cum Oil: 167 BBL Cum Gas: 12 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

25 BBL/mo

Di (annual)

109.2%

b-factor

0.0

EUR

268 BBL

R-squared

0.851

type

exponential

Operator History (from monthly production reports)

1996-06 — 2010-06 GREAT PLAINS RESOURCES, INC. 169 mo

1994-09 — 1996-05 GINCO OPERATING CO. 21 mo

1994-05 — 1994-08 RIFE OIL PROPERTIES, INC. 4 mo

1993-12 — 1994-04 LUCROS INTERNATIONAL CORPORATION 5 mo

1993-01 — 1993-11 BLACK JACK WELL SERVICE, INC. 11 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
6	42-013-31237	PETROSAURUS INC.	1	1,550	1981-03-23
4	42-013-31200	PETROSAURUS INC.	1	1,580	1981-01-27