ALEXANDER

Oil · District 09 · Lease #28459

Operator: REEF EXPLORATION, INC. (A-1)

Fields: FARGO, W. (STRAWN CONGLOMERATE)

Cum Oil

43k BBL

Cum Gas

31 MCF

casinghead

Wells

1

Production

1993-01 — 1997-04

Peak Month

1993-09

Production History

Cum Oil: 43,057 BBL Cum Gas: 31 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,357 BBL/mo

Di (annual)

302.0%

b-factor

1.2

EUR

64,727 BBL

R-squared

0.978

type

hyperbolic

Operator History (from monthly production reports)

1995-08 — 1997-07 GRUY PETROLEUM MANAGEMENT CO. 24 mo

1993-01 — 1995-07 REEF EXPLORATION, INC. (A-1) 31 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-487-32245	L7 ENERGY LLC	2	9,000	1992-06-24