MABEE DDA D21

Oil · District 08 · Lease #56111

Operator: COG OPERATING LLC

Cum Oil

343k BBL

Cum Gas

790k MCF

casinghead

Wells

1

Production

2021-03 — 2026-04

Peak Month

2021-05

Production History

Cum Oil: 343,305 BBL Cum Gas: 789,532 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

28,595 BBL/mo

Di (annual)

693.9%

b-factor

1.3

EUR

512,216 BBL

R-squared

0.888

type

hyperbolic

Operator History (from monthly production reports)

2021-03 — 2026-07 COG OPERATING LLC 65 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2107SHCOG OPERATING LLC110,0002020-03-20