T/CAS ES200399003-2022 Active

Scope: This document specifies the evaluation procedures and requirements for quality grading of iron drillers, evaluation methods, and quality grading. This document is applicable to quality grading evaluation activities for iron drillers. Main technical content: 1. Scope: This document specifies the evaluation procedures and requirements for quality grading of iron drillers, evaluation methods, and quality grading. This document is applicable to quality grading evaluation activities for iron drillers. 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 specified date only apply to the version corresponding to that date; the referenced documents without a specified date apply to the latest version (including all amendment sheets) of this document. GB/T 8423.5 Petroleum and natural gas industry terminology Part 5: Equipment and materials GB/T 9286 Paints and varnishes Grid test SY/T 5074 Power clamps and hanging clamps for drilling and workover SY/T 7421 Oil and gas drilling and extraction equipment Automated processing systems for drilling and workover columns T/CAS ES000000001—2022 (V01) Rules for quality grading evaluation of industrial products General provisions