GB/T 27699-2023 Active National standards

GB/T 27699-2023 Technical specification for in-line inspection of steel pipeline

Publish Date: 2023-05-23 Implement Date: 2023-05-23 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 27699-2023

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Oil and gas gathering and transportation equipment

ICS Name: Petroleum, petroleum products, and natural gas storage and transportation equipment

Publish Date: 2023-05-23

Implement Date: 2023-05-23

Pages: 44 pages

Scope

This document specifies the requirements for conducting internal inspections of steel pipelines, the frequency of internal inspections and equipment selection, preparation for inspection work, pipe cleaning before inspection, technical requirements for geometric deformation inspection, metal loss inspection, centerline inspection, and axial strain inspection. It also sets forth provisions for pre-processing inspection data, inspection reports, verification of inspection results, occupational health, safety, environmental protection, and project completion documentation. This document applies to internal inspections of onshore steel pipelines that transport gases and liquids. Internal inspections of submarine steel pipelines that transport gases and liquids can be carried out in accordance with this document.