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08641 Managing Sour Gas Corrosion: Testing, Design, Implementation and Field Results

Product Number: 51300-08641-SG
ISBN: 08641 2008 CP
Author: Sergio D. Kapusta, Damodaran Raghu, and Johnny Richards
Publication Date: 2008
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$20.00
$20.00
Natural gas is expected to make-up an increasing larger share of the worldwide energy supply. Many of the new gas fields are increasingly sour. The need to ensure safe production from these new fields means more emphasis on adequate materials selection and corrosion control. This paper provides an overview of the procedures that have been used over the past 16 years to manage sour gas corrosion risks at the Fairway Field, offshore Alabama. It covers the design, implementation, operation and monitoring of the corrosion control and asset integrity programs. The sour gas pipeline was inspected after 15 years in service, and found to be in practically "as new" condition. The produced water disposal pipeline experienced a leak, caused by internal corrosion, after 14 years in operation. Several factors that can affect the success or failure of a corrosion management program are discussed, in particular the ability of the corrosion control system to adapt to varying operational conditions, and to recover from unanticipated upsets.
Natural gas is expected to make-up an increasing larger share of the worldwide energy supply. Many of the new gas fields are increasingly sour. The need to ensure safe production from these new fields means more emphasis on adequate materials selection and corrosion control. This paper provides an overview of the procedures that have been used over the past 16 years to manage sour gas corrosion risks at the Fairway Field, offshore Alabama. It covers the design, implementation, operation and monitoring of the corrosion control and asset integrity programs. The sour gas pipeline was inspected after 15 years in service, and found to be in practically "as new" condition. The produced water disposal pipeline experienced a leak, caused by internal corrosion, after 14 years in operation. Several factors that can affect the success or failure of a corrosion management program are discussed, in particular the ability of the corrosion control system to adapt to varying operational conditions, and to recover from unanticipated upsets.
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