MABEE DDA D28

Oil · District 08 · Lease #56955

Operator: COG OPERATING LLC

Cum Oil

339k BBL

Cum Gas

643k MCF

casinghead

Wells

1

Production

2021-08 — 2026-04

Peak Month

2021-10

Production History

Cum Oil: 339,104 BBL Cum Gas: 643,027 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

21,851 BBL/mo

Di (annual)

118.0%

b-factor

0.4

EUR

367,556 BBL

R-squared

0.893

type

hyperbolic

Operator History (from monthly production reports)

2021-08 — 2026-07 COG OPERATING LLC 60 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3502SHCOG OPERATING LLC110,0002020-08-24