MANN52

Oil · District 7C · Lease #16851

Operator: COG OPERATING LLC

Cum Oil

67k BBL

Cum Gas

321k MCF

casinghead

Wells

2

Production

2008-12 — 2018-04

Peak Month

2012-04

Production History

Cum Oil: 66,501 BBL Cum Gas: 320,686 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,623 BBL/mo

Di (annual)

52.2%

b-factor

0.1

EUR

41,443 BBL

R-squared

0.450

type

hyperbolic

Operator History (from monthly production reports)

2008-12 — 2020-03 COG OPERATING LLC 136 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1COG OPERATING LLC110,2002011-08-15
2COG OPERATING LLC110,8002008-08-20