T/CAS ES200912001-2022 Active

Scope: This document specifies the evaluation procedures and requirements, evaluation methods, and quality grading for wellhead devices and production trees. This document applies to the quality grading evaluation activities of wellhead devices and production trees (including tubing head assemblies and production trees) for onshore oil and gas wells. Main technical contents: 1. Scope: This document specifies the evaluation procedures and requirements, evaluation methods, and quality grading for wellhead devices and production trees. This document applies to the quality grading evaluation activities of wellhead devices and production trees (including tubing head assemblies and production trees) for onshore oil and gas wells. 2. Normative references: The following documents are essential for the application of this document. For dated references, only the version dated by the specified date applies to this document. For undated references, the latest version (including all amendment documents) applies to this document. GB/T 22513 Petroleum and natural gas industry - Drilling and production equipment - Wellhead devices and production trees T/CAS ES000000001 - 2022 (V01) - Rules for quality grading evaluation of industrial products - General principles