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AQ 3057-2025Guide to pre-safety assessment of construction project for onshore long-distance oil and gas transmission pipeline (English PDF)

陆上油气长输管道建设项目安全预评价导则

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Issued by

Ministry of Emergency Management

Level / Type

National · Mandatory

Issue date

November 14, 2025

Implementation date

June 1, 2026

Scope

AQ 3057-2025 is the English-translated version of 陆上油气长输管道建设项目安全预评价导则.

AQ 3057-2025 — This standard specifies the general requirements for cleaning operations of onshore oil and gas field storage tanks, as well as the safety requirements for pre-operation preparation, cleaning operations, equipment dismantling, inspection, and acceptance.

This standard applies to the cleaning operations of crude oil storage tanks, sludge (water) tanks (pools), gas field water tanks (pools), mud tanks (pools), and other storage tanks in onshore oil and gas fields.

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Document preview — AQ 3057-2025

National Standard of the People's Republic of China

ICS: 75.200
Classification: E 16
Replacing: AQ/T 3057-2019

Issued by: Ministry of Emergency Management

What this standard covers1
Document data2

What this standard covers

This standard specifies the general requirements for cleaning operations of onshore oil and gas field storage tanks, as well as the safety requirements for pre-operation preparation, cleaning operations, equipment dismantling, inspection, and acceptance. This standard applies to the cleaning operations of crude oil storage tanks, sludge (water) tanks (pools), gas field water tanks (pools), mud tanks (pools), and other storage tanks in onshore oil and gas fields. This standard does not apply to the cleaning operations of special equipment such as boilers, pressure vessels, and pressure pipelines.

Document data

International classification (ICS): 75.200.

Chinese classification (CCS): E16.

Estimated length of the Chinese original: 52,548 words.

Supersedes the earlier edition AQ/T 3057-2019.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 35 pages — is available in the English PDF.

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