T/CPCIF 0418-2025 Active Group standards

Technical Specifications for Gas Membrane Purification and Treatment Equipment for Offshore Oil and Gas Fields T/CPCIF 0418-2025

T/CPCIF 0418-2025 Marine Oil and Gas Field Natural Gas Membrane Purification Treatment Equipment Technical Specification

Publish Date: 2025-03-10 Implement Date: 2025-06-10 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: T/CPCIF 0418-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Oil

ICS Name: Processing equipment

Publish Date: 2025-03-10

Implement Date: 2025-06-10

Scope

Scope: This document specifies the composition, general requirements, and technical requirements of gas membrane purification treatment devices for offshore oil and gas fields, and describes the inspection and testing methods. This document applies to gas membrane purification treatment devices for offshore gas fields and associated gas from offshore oil fields. Main technical content: Offshore oil and gas field gas membrane purification treatment devices consist of two basic units: --- **Pre-treatment unit**: Cools the natural gas (or associated gas) to a low temperature below the hydrocarbon dew point and water dew point, obtaining a condensate rich in heavier hydrocarbons. At this low temperature, the condensate is separated from the gas, thereby removing heavy hydrocarbons and water from the raw gas to meet the production conditions for entering the membrane separation unit. --- **Membrane separation unit**: Separates the raw gas processed by the pre-treatment unit using the different transfer rates of various gas components through the membrane and the different penetration rates under the pressure difference on both sides of the membrane, achieving the purpose of separating carbon dioxide (CO2) gas from the raw gas and purifying natural gas and associated gas.