MABEE DDA K11

Oil · District 08 · Lease #55989

Operator: COG OPERATING LLC

Cum Oil

413k BBL

Cum Gas

514k MCF

casinghead

Wells

1

Production

2021-02 — 2026-04

Peak Month

2021-05

Production History

Cum Oil: 412,999 BBL Cum Gas: 514,068 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

25,682 BBL/mo

Di (annual)

838.9%

b-factor

1.6

EUR

643,635 BBL

R-squared

0.711

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

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