T/CAS ES101102002-2022 Active

Scope: This document specifies the evaluation procedures and requirements, evaluation methods, and quality grading for sulfomethyl phenol formaldehyde resin (SMP) used in drilling fluids. This document applies to the evaluation of the quality grading of SMP used in drilling fluids. Main technical content: 1. Scope: This document specifies the evaluation procedures and requirements, evaluation methods, and quality grading for SMP used in drilling fluids. This document applies to the evaluation of the quality grading of SMP used in drilling fluids. 2. Normative reference documents: The content of the following documents is an integral part of this document through normative reference in the text. Among them, the referenced documents with a date only apply to the version corresponding to that date; the referenced documents without a date apply to the latest version (including all amendment sheets) of these documents. - GB/T 6678: General Principles for Sampling of Chemical Products - GB/T 6679: General Principles for Sampling of Solid Chemical Products - SY/T 5094: Loss of Filter Cake Reducers Used in Drilling Fluids – Sulfomethyl Phenol Formaldehyde Resin (SMP) - T/CAS ES000000001–2022 (V01)： Rules for Evaluating the Quality Grading of Industrial Products – General Principles