GB/T 21412.3-2009
Petroleum and natural gas industries.Design and operation of subsea production systems.Part 3:Through flowline(TFL)systems (English Version)

Standard No.: GB/T 21412.3-2009
Language: Chinese, Available in English version
Release Date: 2009
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 21412.3-2009

Scope: This part of GB/T 21412 specifies the requirements for the design, manufacture and operation of the flowline (TFL) system and equipment, and gives corresponding recommended practices. The procedures and requirements involved in this section are applicable to hydraulic operations of downhole equipment, subsea trees, tubing hangers, and flowlines (including in-line equipment). This part mainly describes the application of TFL system in offshore and underwater, but it can also be used in other occasions, such as highly deviated wells and horizontal wells. This section does not involve underwater separation, pressurization, metering and downhole pumping.

GB/T 21412.3-2009 Referenced Document

API RP 14E RECOMMENDED PRACTICE FOR DESIGN AND INSTALLATION OF OFFSHORE PRODUCTION PLATFORM PIPING SYSTEMS FOURTH EDITION
API Std 1104 Welding of Pipelines and Related Facilities (TWENTY-SECOND EDITION)*， 2021-07-01 Update
ISO 11960 Petroleum and natural gas industries — Steel pipes for use as casing or tubing for wells*， 2020-03-31 Update
ISO 13628-4:1999 Petroleum and natural gas industries - Design and operation of subsea production systems - Part 4: Subsea wellhead and tree equipment
ISO 3183-1 Petroleum and natural gas industries - Steel pipe for pipelines - Technical delivery conditions - Part 1: Pipes of requirement class A

2009 GB/T 21412.3-2009 Petroleum and natural gas industries.Design and operation of subsea production systems.Part 3:Through flowline(TFL)systems