LAST CALL UNIT

Oil · District 7C · Lease #21565

Operator: COG OPERATING LLC

Cum Oil

790k BBL

Cum Gas

2.0M MCF

casinghead

Wells

2

Production

2021-06 — 2026-04

Peak Month

2022-03

Production History

Cum Oil: 790,398 BBL Cum Gas: 1,961,416 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

75,814 BBL/mo

Di (annual)

354.0%

b-factor

1.0

EUR

1,333,453 BBL

R-squared

0.986

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-07 COG OPERATING LLC 62 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5403BHCOG OPERATING LLC212,0002021-05-20
5404BHCOG OPERATING LLC212,0002021-05-20