Reference number
ISO 4657:2022
© ISO 2024
International Standard
ISO 4657:2022
Assessment specification of coalbed methane resources
Edition 1
2022-01
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Published (Edition 1, 2022)

ISO 4657:2022

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Format
CHF 63
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Abstract

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

General information

  • Status
     : Published
    Publication date
     : 2022-01
    Stage
    : International Standard published [60.60]
  • Edition
     : 1
    Number of pages
     : 10
  • Technical Committee :
    ISO/TC 263
    ICS :
    73.020 
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