ISO 4657:2022

International Standard   Current Edition · Approved on 12 January 2022

Assessment specification of coalbed methane resources

ISO 4657:2022 Files

English 10 Pages
Current Edition
26.98 BHD

ISO 4657:2022 Scope

This document specifies the objectives, tasks, work processes, classification, report preparation and acceptance of coalbed methane (CBM) resource evaluation.

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