T/CAS ES10110205006-2022 Active

Scope: This document specifies the evaluation procedures and requirements for quality grading of anti-collapse and filtration loss agents for drilling fluids, evaluation methods, and quality grading. This document is applicable to the quality grading evaluation of anti-collapse and filtration loss agents for drilling fluids (including high-temperature and salt-resistant anti-collapse and filtration loss agents, and anti-collapse and viscosity-reducing filtration loss agents for drilling fluids). Main technical content: 1. Scope: This document specifies the evaluation procedures and requirements for quality grading of anti-collapse and filtration loss agents for drilling fluids, evaluation methods, and quality grading. This document is applicable to the quality grading evaluation of anti-collapse and filtration loss agents for drilling fluids (including high-temperature and salt-resistant anti-collapse and filtration loss agents, and anti-collapse and viscosity-reducing filtration loss agents for drilling fluids). 2. Normative references: The following documents are essential for the application of this document. For referenced documents with a date, only the version with the specified date applies to this document. For referenced documents without a date, the latest version (including all amendment sheets) applies to this document. - GB/T 6678: General Principles of Sampling for Chemical Products - GB/T 6679: General Principles of Sampling for Solid Chemical Products - GB/T 6682: Specifications and Test Methods for Water Used in Analytical Laboratories - GB/T 16783.1: Petroleum and Natural Gas Industry – On-site Testing of Drilling Fluids – Part 1: Water-Based Drilling Fluids - SY/T 5490: Drilling Fluid Testing Soil - SY/T 5677: Filter Paper for Drilling Fluids - T/CAS ES000000001–2022 (V01): Rules for Quality Grading and Evaluation of Industrial Products – General Principles