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API SPEC 10A:2019

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API SPEC 10A:2019

Specification for Cements and Materials for Well Cementing, Twenty-Fifth Edition

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This document specifies requirements and gives recommendations for six classes of well cements, including their chemical and physical requirements and procedures for physical testing.
This specification is applicable to well cement classes A, B, C, and D, which are the products obtained by grinding Portland cement clinker and, if needed, calcium sulfate, as an interground additive. Processing additives can be used in the manufacture of cement of these classes. Suitable set-modifying agents can be interground or blended during manufacture of class D cement. This specification is also applicable to well cement classes G and H, which are the products obtained by grinding clinker with no additives other than one or more forms of calcium sulfate, water, or chemical additives as required for chromium (VI) reduction. This edition of Specification 10A is the identical national adoption of ISO 10426-1 (Identical), Petroleum and natural gas industries—Cements and materials for well cementing—Part 1: Specification (includes ISO errata).

Author API
Editor API
Document type Standard
Format File
Edition 25
ICS 75.180.10 : Exploratory, drilling and extraction equipment
91.100.10 : Cement. Gypsum. Lime. Mortar
Number of pages 76
Replace API SPEC 10A (2010-12)
Year 2019
Country USA