HALL POWELL P4

Oil · District 7C · Lease #21465

Operator: COG OPERATING LLC

Cum Oil

646k BBL

Cum Gas

1.4M MCF

casinghead

Wells

1

Production

2021-05 — 2026-04

Peak Month

2022-03

Production History

Cum Oil: 645,938 BBL Cum Gas: 1,409,674 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

45,556 BBL/mo

Di (annual)

205.5%

b-factor

0.9

EUR

1,054,204 BBL

R-squared

0.944

type

hyperbolic

Operator History (from monthly production reports)

2021-05 — 2026-07 COG OPERATING LLC 63 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3811LHCOG OPERATING LLC112,0002021-03-02