Oil and gas industries including lower carbon energy - Equipment for well cementing - Part 1: Casing bow-spring centralizers
STANDARD published on 1.2.2025
Designation standards: ČSN EN ISO 10427-1
Classification mark: 451110
Catalog number: 520480
Publication date standards: 1.2.2025
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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