STRUCTURE OF COMPOSITE FLEXIBLE PIPELINE FOR CRUDE OIL AND NATURAL GAS TRANSPORTATION AND LAYING METHOD THEREFOR

Title:

STRUCTURE OF COMPOSITE FLEXIBLE PIPELINE FOR CRUDE OIL AND NATURAL GAS TRANSPORTATION AND LAYING METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2020/233454

Kind Code:

A1

Abstract:

Disclosed are a structure of a composite flexible pipeline for crude oil and natural gas transportation, a laying method therefor, and a transportation method for crude oil or natural gas. The transportation method is a method for transporting crude oil or natural gas through a pipeline comprising a multilayer structure having at least one barrier resin layer. The barrier resin layer comprises an ethylene-vinyl alcohol copolymer resin as a main component. A pipeline for the transportation method, and a laying method for the pipeline. By using a pipeline which does not have corrosion concern and has excellent acid resistance and acid gas barrier properties, a method for safely transporting crude oil or natural gas is provided without leak of hydrogen sulfide gas, carbon dioxide, and hydrocarbon gas to the external environment.

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Inventors:

SONG YUAN (CN)
SAKANO TAKESHI (JP)
GAO WEIMIN (CN)

Application Number:

PCT/CN2020/089838

Publication Date:

November 26, 2020

Filing Date:

May 12, 2020

Export Citation:

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Assignee:

KURARAY CO (JP)
SONG YUAN (CN)

International Classes:

B32B1/08; F16L11/14; F16L13/02

Foreign References:

CN207122673U	2018-03-20
CN206054953U	2017-03-29
CN102821931A	2012-12-12
CN109747189A	2019-05-14
JP2004025752A	2004-01-29
CN1109154A	1995-09-27
JPS63252713A	1988-10-19
JP2000143899A	2000-05-26
JP2013527814A	2013-07-04

Other References: