SY/T 6970-2013
Technical code of on-line corrosion monitoring in gathering system for highly hydrogen sulfide gas field (English Version)

Standard No.

SY/T 6970-2013

Language

Chinese, Available in English version

Release Date

2013

Published By

Professional Standard - Petroleum

Latest

SY/T 6970-2013

Scope

This specification applies to the following parts of the ground gathering and transportation system of high-containing hydrogen sulfide gas fields where the volume fraction of hydrogen sulfide in natural gas is greater than or equal to 5%: 　——gathering and transportation pipeline systems; 　——station facilities; 　——purification plants. This specification is applicable to corrosion monitoring methods such as weight loss coupon method, test nipple, resistance method, linear polarization method, electrochemical noise method, inductive probe, electronic fingerprint measurement technology, hydrogen penetration method and ring-to-ring corrosion monitoring.

SY/T 6970-2013 Referenced Document

• GB 50257 Code for construction and acceptance of electric equipment on fire and explosion hazard electrical equipment installation engineering*， 2014-12-02 Update
• GB/T 18590 Corrosion of metals and alloys--Evaluation of pitting corrosion
• GB/T 20972.1 Petroleum and natural gas industries- Material for use in HS-containing environments in oil and gas production- Part 1: General principles for selection of cracking-resistant materials
• GB/T 20972.2 Petroleum and natural gas industries.Materials for use in HS-containing environments in oil and gas production.Part 2:Cracking-resistant carbon and low alloy steels,and the use of cast irons
• GB/T 20972.3 Petroleum and natural gas industries.Material for use in HS-containing environments in oil and gas production.Part 3:Cracking-resistant CRAs(corrosion-resistant alloys)and other alloys
• JB/T 7901 Metal materials laboratory uniform corrosion total immersion test method*， 2023-12-29 Update
• SY 4212 Code for quality acceptance of oil and gas construction engineering.Gathering and transmission distributing station projects in highly hydrogen sulfide gas field
• SY 4213 Code for quality acceptance of oil and gas construction engineering.Gathering and transmission pipelining projects in highly hydrogen sulfide gas field
• SY/T 0612 Code for design of gathering & transmission systems in highly hydrogen sulfide gas field*， 2014-10-15 Update
• SY/T 4117 Technical specifications for welding of gathering and transportation pipelines in gas fields with high hydrogen sulfide content*， 2016-12-05 Update

SY/T 6970-2013 history

• 2013 SY/T 6970-2013 Technical code of on-line corrosion monitoring in gathering system for highly hydrogen sulfide gas field