SUTHERLAND UNIT

Oil · District 7C · Lease #19038

Operator: COG OPERATING LLC

Cum Oil

123k BBL

Cum Gas

262k MCF

casinghead

Wells

1

Production

2015-04 — 2020-07

Peak Month

2015-05

Production History

Cum Oil: 122,682 BBL Cum Gas: 262,265 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,598 BBL/mo

Di (annual)

33.6%

b-factor

0.0

EUR

128,619 BBL

R-squared

0.462

type

exponential

Operator History (from monthly production reports)

2015-04 — 2020-12 COG OPERATING LLC 69 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4519HCOG OPERATING LLC112,0002014-10-07