HARRINGTON, A. B.

Oil · District 08 · Lease #4654

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

Fields: PARKS (PENNSYLVANIAN)

Cum Oil

36k BBL

Cum Gas

84k MCF

casinghead

Wells

2

Production

1993-01 — 2008-05

Peak Month

1993-03

Production History

Cum Oil: 35,854 BBL Cum Gas: 84,337 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

408 BBL/mo

Di (annual)

25.7%

b-factor

0.1

EUR

21,133 BBL

R-squared

0.603

type

hyperbolic

Operator History (from monthly production reports)

2009-01 — 2009-12 COG OPERATING LLC 12 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 (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3	42-329-31133	COG OPERATING LLC	3	11,500	2008-02-20
1	42-329-00911	COG OPERATING LLC	1	10,935	2001-08-28