T/CAS ES101502001-2022 Active

Scope: This document specifies the evaluation procedures and requirements for the quality grading of viscosity reducers for heavy oil, evaluation methods, and quality grading. This document is applicable to the evaluation activities of the quality grading of viscosity reducers for heavy oil. Main technical content: 1. Scope: This document specifies the evaluation procedures and requirements for the quality grading of viscosity reducers for heavy oil, evaluation methods, and quality grading. This document is applicable to the evaluation activities of the quality grading of viscosity reducers for heavy oil. 2. Normative references: The content of the following documents is an integral part of this document through normative references. Among them, the referenced documents with a date are applicable to this document only for the version corresponding to that date; the referenced documents without a date are applicable to this document for the latest version (including all amendment sheets). - GB/T 6678 General Principles for Sampling of Chemical Products - GB/T 6680 General Principles for Sampling of Liquid Chemical Products - SY/T 7329 Determination Method for Organochlorine Content in Oilfield Chemicals - T/CAS ES000000001—2022 (V01) Rules for Quality Grading and Evaluation of Industrial Products—General Principles - Q/SHCG 65 Technical Requirements for Viscosity Reducers for Heavy Oil Used in Pipeline and Wellbore Transportation