Ocean Engineering Equipment and Technology ›› 2025, Vol. 12 ›› Issue (3): 118-122.doi: 10.12087/oeet.2095-7297.2025.03.15

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Discussion on Regular Inspection Technologies for Submarine Pipelines

SU Tianshui1, LIAO Hengjie1, HUANG Panyang2   

  1. 1.CNOOC (China) Co., Ltd., Shanghai Branch, Shanghai 200050, China;2.Second Institute of Oceanography, Hangzhou 310012, Zhejiang, China
  • Online:2025-09-16 Published:2025-09-17

Abstract: Subsea pipelines are critical infrastructure for transporting offshore oil, gas, and other resources, and their safety is vital to the marine economy and environment. This paper provides an overview of the construction and inspection status of subsea pipelines along the coast of Zhejiang Province, with a focus on external pipeline inspection technologies and methods. Taking the key area of Huibieyang in Zhejiang as an example, it analyzes and highlights that pipeline inspection should be tailored to different marine environments.

Key words: submarine pipelines, safety, inspection, Zhejiang coastal waters

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