MABEE DDA E4

Oil · District 08 · Lease #57127

Operator: COG OPERATING LLC

Cum Oil

462k BBL

Cum Gas

837k MCF

casinghead

Wells

1

Production

2021-04 — 2026-04

Peak Month

2021-10

Production History

Cum Oil: 462,023 BBL Cum Gas: 836,554 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

22,809 BBL/mo

Di (annual)

86.8%

b-factor

0.3

EUR

449,854 BBL

R-squared

0.934

type

hyperbolic

Operator History (from monthly production reports)

2021-04 — 2026-07 COG OPERATING LLC 64 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
304JHCOG OPERATING LLC19,5002020-07-17