Asad

 Asad Dissertation

Pipe Corrosion

LAST REPORT

Submitted to

U. S. Section of Vehicles Pipeline and Hazardous Materials Protection Administration Office of Pipe Safety Integrity Management Program Under Delivery Buy DTRS56-02-D-70036

Published by

Michael Baker Jr., Inc.

Adding to Author

Raymond R. Fessler, Ph. D.

BIZTEK Asking, Inc.

Nov 2008

Stand of Articles

Table of Contents

Launch........................................................................................................................................... 1 1 ) 1 Corrosion Overview.................................................................................................................... you 1 . two Corrosion in Perspective.............................................................................................................. a couple of 1 . 2 . 1 Consistency and Outcomes in the United States................................................................. two 1 . installment payments on your 2 Indication Pipelines............................................................................................................ a few 1 . installment payments on your 3 Gas Distribution Sewerlines.......................................................................................... 5 1 . 2 . 4 Gas Gathering Lines................................................................................................................ 6 1 . installment payments on your 5 Non-U. S. Knowledge.............................................................................................................. 6 1 ) 3 Express of Knowledge Relating to Corrosion................................................................................... almost eight 2 Qualifications......................................................................................................................................... 10 installment payments on your 1 Problem Statement..................................................................................................................... twelve 2 . 2 Project Range............................................................................................................................. 10 installment payments on your 3 Record Outline........................................................................................................................... 12 3 Corrosion in Sewerlines......................................................................................................................... 11 several. 1 Learning the Process......................................................................................................... eleven 3. 2 Uniform vs . Localized Corrosion.............................................................................................. 12 a few. 2 . you Pitting.................................................................................................................................... doze 3. installment payments on your 2 Picky Seam Corrosion..................................................................................................... 13 three or more. 2 . 3 Microbial Corrosion.............................................................................................................. 13 several. 3 External Corrosion..................................................................................................................... 16 3. a few. 1 Factors that Impact External Corrosion................................................................................. 14 several. 3. 1 . 1 Onshore Buried Sewerlines............................................................................................. 14 three or more. 3. 1 ) 2 Just offshore Pipelines........................................................................................................ 15 3. a few. 2 Methods to Prevent or Mitigate Exterior Corrosion on Buried Sewerlines............................. 15 three or more. 3. installment payments on your 1 Coatings........................................................................................................................ 15 several. 3. 2 . 2 Cathodic Protection...

Bibliography: 11. Lebsack, S. (2004). Guided trend ultrasonic inspection & verification studies of buried pipelines.

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