Petroleum and natural gas industries. Completion fluids and materials - Procedures for measuring the long term conductivity of proppants Ingestion-build-224916 Annex ZB (normative) Corresponding International

Annex ZB (normative) Corresponding International and European Standards for which equivalents are not given in the text

Redrafted requirements on sound power and vibration are completely

BS EN 15825 is not applicable to hand-knotted rugs

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It is applicable to journal or thrust plain bearing units or to a combination of both

Petroleum and natural gas industries. Completion fluids and materials - Procedures for measuring the long term conductivity of proppants Ingestion-build-224916 Annex ZB (normative) Corresponding International1 Scope This part of ISO 13503 provides standard testing procedures for evaluating proppants used in hydraulic fracturing and gravel packing operations. NOTE The proppants mentioned henceforth in this part of ISO 13503 refer to sand, ceramic media, resin coated proppants, gravel packing media, and other materials used for hydraulic fracturing and gravel packing operations. The objective of this part of ISO 13503 is to provide consistent methodology