[MW:27951] wrinkle& ripple

Dear All.

We have encountered with some wrinkle& ripples on pipeline. Now we are looking for to expand criteria as much as possible that mentioned in ASME b31.8.

 would you please guide me for this case? and may you share these documents if you have access to them.

1.Literature Review, Assessment Methods for Manufacturing Defects in Pipelines, Review for Pipeline Defect Assessment Manual Joint Industry Project, Andrew Palmer and Associates,NR99017R3, April 2002.

2. KIEFNER,J.F., CLARK,E.B.; History of Line Pipe Manufacturing in North America, An ASME Research Report, CTRD-Vol. 43, The American Society of Mechanical Engineers,New York, USA, 1996.

3.ROSENFELD,M.J., HART,J.D, ZULFIQAR,N., and GAILING,R.W; Development of Acceptance Criteria for Mild Ripples in Pipeline Field Bends, IPC02-27124, Proceedings of IPC 2002, International Pipeline Conference, American Society of Mechanical Engineers,Calgary, Alberta, Canada, 2002.

4.KIEFNER,J.F., BRUCE,W.A., STEPHENS,D.R.; Pipeline Repair Manual, Report to the Line Pipe Research Supervisory Committee of the Pipeline Research Committee of the American Gas Association, Contract No. PR-218-9307, AGA Catalogue No. L51716, Kiefner and Associates, Inc., December 1994. 

5. KIEFNER,J.F., BRUCE,W.A., STEPHENS,D.R.; Development of a Pipeline Repair Manual,Paper 24, Proceedings of the EPRG/PRC 10th Biennial Joint Technical Meeting on Line Pipe Research, Cambridge, UK, April 1995, pp. 24-1-24-11.

6.Alexander, C., and K. Brownlee, Methodology for Assessing the Effects of Plain Dents, Wrinkle Bends, and Mechanical Damage on Pipeline Integrity,CORROSION 2007, Paper 07139, NACE International, Nashville, 

Tennessee, March 1115, 2007.

Regards in advances

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