Petroleum and natural gas industries. Casing centralizers - Bow-spring casing centralizers Ingestion-build-44616 and different materials and dimensions

and different materials and dimensions

Reference to ISO 25981 was added to table 3

Bars and sections

5 l and up to and including 450 l

This part of ISO 140 is based on measurements with artificial raindrops under controlled conditions using a water tank in a laboratory test facility in which flanking sound transmission is suppressed

Petroleum and natural gas industries. Casing centralizers - Bow-spring casing centralizers Ingestion-build-44616 and different materials and dimensions1 Scope This part of ISO 10427 provides minimum performance requirements, test procedures and marking requirements for bow spring casing centralizers for the petroleum and natural gas industries. The procedures provide verification testing for the manufacturers design, materials and process specifications, and periodic testing to confirm the consistency of product performance. This part of ISO 10427 is not applicable to rigid or positive centralizers.