HALL-POWELL

Oil · District 7C · Lease #17636

Operator: COG OPERATING LLC

Cum Oil

58k BBL

Cum Gas

212k MCF

casinghead

Wells

1

Production

2011-11 — 2026-04

Peak Month

2011-12

Production History

Cum Oil: 58,414 BBL Cum Gas: 212,018 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

604 BBL/mo

Di (annual)

11.4%

b-factor

0.0

EUR

63,590 BBL

R-squared

0.486

type

exponential

Operator History (from monthly production reports)

2011-11 — 2026-07 COG OPERATING LLC 177 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3803COG OPERATING LLC112,0002011-02-23