ISO 10427-1:2024
Oil and gas industries including lower carbon energy — Equipment for well cementing — Part 1: Casing bow-spring centralizers
This document specifies testing, performance, and marking requirements for casing bow-spring centralizers to be used in oil and natural gas well construction. The procedures give guidance on verification testing for the manufacturer’s design, materials, and process specifications, and periodic testing to confirm the consistency of product performance. This specification is not applicable to other devices, such as rigid centralizers and cement baskets, or bow-spring centralizers used for other purposes (e.g., wireline tools, gravel pack, inner string).
This document is a supplement to API Spec 10D 7th edition (2021), the requirements of which are applicable with the exceptions specified in this document.
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Foreword
1 Scope
2 Normative references
3 Terms, definitions and abbrevaited terms
3.1 Terms and definitions
3.2 Abbreviated terms
4 Supplements to API Spec 10D, 7th edition (2021)
4.1 General requirements
4.2 Compensating for the mass of the traveling pipe and attachments
4.3 Coated centralizer
4.4 Centralizer maximum diameter reported after open hole test
4.5 Centralizer Rigid OD
5 Order of testing of running forces and restoring forces in conventional and under-reamed well configurations
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Foreword
1 Scope
2 Normative references
3 Terms, definitions and abbrevaited terms
3.1 Terms and definitions
3.2 Abbreviated terms
4 Supplements to API Spec 10D, 7th edition (2021)
4.1 General requirements
4.2 Compensating for the mass of the traveling pipe and attachments
4.3 Coated centralizer
4.4 Centralizer maximum diameter reported after open hole test
4.5 Centralizer Rigid OD
5 Order of testing of running forces and restoring forces in conventional and under-reamed well configurations