NEAL RANCH "56" Z

Oil · District 7C · Lease #14682

Operator: COG OPERATING LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

38k BBL

Cum Gas

15k MCF

casinghead

Wells

4

Production

1997-10 — 2026-04

Peak Month

1998-01

Production History

Cum Oil: 37,915 BBL Cum Gas: 15,435 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

447 BBL/mo

Di (annual)

17.9%

b-factor

0.2

EUR

36,881 BBL

R-squared

0.622

type

hyperbolic

Operator History (from monthly production reports)

2022-06 — 2026-07 COG OPERATING LLC 50 mo

2010-12 — 2022-05 APACHE CORPORATION 138 mo

2002-01 — 2010-11 BP AMERICA PRODUCTION COMPANY 107 mo

1997-10 — 2001-12 ARCO PERMIAN 51 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4	42-461-37054	COG OPERATING LLC	1	12,000	2010-10-26
3	42-461-36968	COG OPERATING LLC	1	12,000	2010-09-09
7	42-461-36864	COG OPERATING LLC	1	10,800	2010-07-29
1	42-461-33856	COG OPERATING LLC	2	10,150	1997-09-04