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On January 12, according to the "Standardization Law of the People's Republic of China" and "Administrative Measures for Energy Standardization", the National Energy Administration approved the issuance of 356 energy industry standards including "Design Specifications for Mandatory Permeability Enhancement Projects in Coal Mine"
It is understood that the standards in the "Specification" include buried polyethylene (PE) pipes and fittings for coalbed methane gathering and transportation, coalbed methane well cementing construction design and operation regulations, coal mine goaf surface drilling operation regulations, and coalbed methane reservoir development effects.