BRAUN B S4

Oil · District 08 · Lease #57171

Operator: COG OPERATING LLC

Cum Oil

307k BBL

Cum Gas

737k MCF

casinghead

Wells

1

Production

2021-12 — 2026-04

Peak Month

2022-12

Production History

Cum Oil: 306,565 BBL Cum Gas: 737,032 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

25,081 BBL/mo

Di (annual)

256.1%

b-factor

0.8

EUR

403,740 BBL

R-squared

0.919

type

hyperbolic

Operator History (from monthly production reports)

2021-12 — 2026-07 COG OPERATING LLC 56 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2007MHCOG OPERATING LLC112,0002021-06-02