MANN25 UNIT

Oil · District 7C · Lease #18849

Operator: COG OPERATING LLC

Cum Oil

181k BBL

Cum Gas

1.1M MCF

casinghead

Wells

1

Production

2014-12 — 2026-04

Peak Month

2015-04

Production History

Cum Oil: 180,732 BBL Cum Gas: 1,119,280 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,493 BBL/mo

Di (annual)

374.3%

b-factor

1.1

EUR

230,122 BBL

R-squared

0.953

type

hyperbolic

Operator History (from monthly production reports)

2014-12 — 2026-07 COG OPERATING LLC 140 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19HCOG OPERATING LLC112,0002014-06-24