AMACKER48 UNIT

Oil · District 7C · Lease #18852

Operator: COG OPERATING LLC

Cum Oil

185k BBL

Cum Gas

681k MCF

casinghead

Wells

1

Production

2014-11 — 2026-04

Peak Month

2015-01

Production History

Cum Oil: 184,653 BBL Cum Gas: 681,455 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,455 BBL/mo

Di (annual)

113.6%

b-factor

0.5

EUR

193,109 BBL

R-squared

0.700

type

hyperbolic

Operator History (from monthly production reports)

2014-11 — 2026-07 COG OPERATING LLC 141 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19HCOG OPERATING LLC112,0002014-05-23