MANN5 UNIT

Oil · District 7C · Lease #18620

Operator: COG OPERATING LLC

Cum Oil

169k BBL

Cum Gas

637k MCF

casinghead

Wells

1

Production

2014-05 — 2026-02

Peak Month

2014-06

Production History

Cum Oil: 169,056 BBL Cum Gas: 637,287 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,863 BBL/mo

Di (annual)

61.2%

b-factor

0.4

EUR

187,611 BBL

R-squared

0.779

type

hyperbolic

Operator History (from monthly production reports)

2014-05 — 2026-07 COG OPERATING LLC 147 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19HCOG OPERATING LLC112,0002014-01-27