PATTY "A"

Oil · District 7C · Lease #16853

Operator: COG OPERATING LLC

Cum Oil

38k BBL

Cum Gas

255k MCF

casinghead

Wells

1

Production

2009-02 — 2016-05

Peak Month

2009-05

Production History

Cum Oil: 37,808 BBL Cum Gas: 255,191 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,755 BBL/mo

Di (annual)

551.2%

b-factor

0.6

EUR

25,184 BBL

R-squared

0.873

type

hyperbolic

Operator History (from monthly production reports)

2009-02 — 2017-11 COG OPERATING LLC 106 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1COG OPERATING LLC110,8002008-10-15