Technical Requirements for Geological Hazard Investigation of Long-distance Oil and Gas Pipelines T/HNGEA 0011-2025

Scope

Scope: This document specifies the requirements for geological disaster investigation methods, investigation content, monitoring and early warning, risk assessment, and report preparation for long-distance oil and gas pipelines. This document is applicable to geological disaster investigation for onshore long-distance oil and gas pipeline projects. Main technical content: ① Preface: Introduces the standard's responsible unit, drafting unit, and main drafters; ② Scope: Defines the scope of application of this standard; ③ Normative reference documents: Indicates the normative documents referenced in this standard; ④ Terminology and definitions: Defines long-distance oil and gas pipelines, pipeline geological disasters, and high-consequence areas, etc.; ⑤ Basic requirements: Basic identification of the geological environmental conditions along the pipeline route, the types, distribution, formation conditions, impact scope, hazards, and development trends of geological disasters (potential hazards), and proposals for prevention and control measures; ⑥ Investigation methods: Methods for geological disaster investigation of oil and gas pipelines; ⑦ Investigation content: Technical requirements for investigating landslides, debris flows, ground subsidence, unstable slopes, water damage, and special soils; ⑧ Monitoring and early warning: Specifies the pipeline sections affected by typical soil movement-type geological disasters that require monitoring; ⑨ Geological disaster risk assessment: Zoning for the vulnerability of pipelines to geological disasters; ⑩ Report preparation: Requirements for report preparation

Development Information

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