MABEE DDA K12

Oil · District 08 · Lease #55990

Operator: COG OPERATING LLC

Cum Oil

380k BBL

Cum Gas

429k MCF

casinghead

Wells

1

Production

2021-02 — 2026-04

Peak Month

2021-03

Production History

Cum Oil: 380,220 BBL Cum Gas: 428,814 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

26,127 BBL/mo

Di (annual)

214.3%

b-factor

1.0

EUR

685,674 BBL

R-squared

0.933

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 COG OPERATING LLC 66 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
511AHCOG OPERATING LLC110,0002019-12-30