AMERICAN REPUBLICS "A"

Oil · District 7C · Lease #7747

Operator: MOBIL PRODUCING TX. & N.M. INC.

Fields: PEGASUS (SPRABERRY)

Cum Oil

142k BBL

Cum Gas

258k MCF

casinghead

Wells

4

Production

1993-01 — 2010-04

Peak Month

1999-04

Production History

Cum Oil: 142,313 BBL Cum Gas: 257,637 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,061 BBL/mo

Di (annual)

21.8%

b-factor

2.0

EUR

220,436 BBL

R-squared

0.714

type

hyperbolic

Operator History (from monthly production reports)

2009-01 — 2010-07 COG OPERATING LLC 19 mo

2001-04 — 2008-12 HENRY PETROLEUM LP 93 mo

1998-04 — 2001-03 HENRY PETROLEUM CORP. 36 mo

1993-01 — 1998-03 MOBIL PRODUCING TX. & N.M. INC. 63 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4	42-461-31381	COG OPERATING LLC	2	10,250	1984-01-12
6	42-461-31957	COG OPERATING LLC	1	10,500	1982-11-04
5	42-461-31893	COG OPERATING LLC	2	10,200	1982-09-29
2	42-461-04010	COG OPERATING LLC	1	10,326	1979-02-20