T/CAS ES032114001-2022 Active

Scope: This document specifies the evaluation procedures and requirements for the quality grading of oil well cement, evaluation methods, and quality grading. This document applies to the quality grading evaluation of oil well cement (including Class A ordinary oil well cement, Class D medium sulfur-resistant oil well cement, Class D high sulfur-resistant oil well cement, Class G medium sulfur-resistant oil well cement, and Class G high sulfur-resistant oil well cement). Main technical contents: 1. Scope: This document specifies the evaluation procedures and requirements for the quality grading of oil well cement, evaluation methods, and quality grading. This document applies to the quality grading evaluation of oil well cement (including Class A ordinary oil well cement, Class D medium sulfur-resistant oil well cement, Class D high sulfur-resistant oil well cement, Class G medium sulfur-resistant oil well cement, and Class G high sulfur-resistant oil well cement). 2. Normative references: The content of the following documents is an essential part of this document through normative references. Among them, the referenced documents with a date are only applicable to the version corresponding to that date; for the referenced documents without a date, the latest version (including all amendment sheets) is applicable to this document. GB/T 176 Chemical Analysis Methods for Cement GB/T 5483 Natural Gypsum GB/T 10238 Oil Well Cement T/CAS ES000000001–2022 (V01) Rules for Quality Grading Evaluation of Industrial Products General Principles