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51313-02300-Corrosion and Integrity Management of a Segment of Pipeline Network

Product Number: 51313-02300-SG
ISBN: 02300 2013 CP
Author: Moavin Islam
Publication Date: 2013
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Kuwait currently produces about 3 million barrels of crude oil per day and has a large pipeline network system for handling its oil and associated products (condensate low pressure and high pressure gas as well as produced and effluent waters). The total length of the pipeline network is about 4790 Km consisting of API 5L Grade-B carbon steel ranging in diameter from 100 mm to 1830 mm. The Kuwait Oil Company (KOC) is responsible for the corrosion and integrity management of the pipeline network system which involves (1) Internal Corrosion Monitoring to assess the internal corrosion status of the pipelines including the occurrence of microbially influenced corrosion (2) External corrosion protection with the help of coatings and cathodic protection and (3) Periodic intelligent and cleaning pigging operations for internal corrosion assessment and cleaning.

The present paper focuses on the corrosion and integrity management of a segment of the pipeline network system which handles high pressure (HP) gas and accounts for about 17% of the network. Based on internal corrosion monitoring results more frequent cleaning pigging has been initiated on selected pipelines. Corrosion inhibitor and biocide treatment has also been recommended where deemed necessary. It has become apparent that frequent cleaning pigging has reduced the propensity of internal corrosion in the HP-Gas segment of the Pipeline Network system.

Key words: Pipeline Network; Corrosion and Integrity Management HP-Gas; Pigging
 

Kuwait currently produces about 3 million barrels of crude oil per day and has a large pipeline network system for handling its oil and associated products (condensate low pressure and high pressure gas as well as produced and effluent waters). The total length of the pipeline network is about 4790 Km consisting of API 5L Grade-B carbon steel ranging in diameter from 100 mm to 1830 mm. The Kuwait Oil Company (KOC) is responsible for the corrosion and integrity management of the pipeline network system which involves (1) Internal Corrosion Monitoring to assess the internal corrosion status of the pipelines including the occurrence of microbially influenced corrosion (2) External corrosion protection with the help of coatings and cathodic protection and (3) Periodic intelligent and cleaning pigging operations for internal corrosion assessment and cleaning.

The present paper focuses on the corrosion and integrity management of a segment of the pipeline network system which handles high pressure (HP) gas and accounts for about 17% of the network. Based on internal corrosion monitoring results more frequent cleaning pigging has been initiated on selected pipelines. Corrosion inhibitor and biocide treatment has also been recommended where deemed necessary. It has become apparent that frequent cleaning pigging has reduced the propensity of internal corrosion in the HP-Gas segment of the Pipeline Network system.

Key words: Pipeline Network; Corrosion and Integrity Management HP-Gas; Pigging
 

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