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Title: An improved method for profile radiography of piping

The Petro-Chemical industry has used profile radiography for more than thirty years to find, and evaluate, corrosion in piping systems. The technique offers a method of ``seeing into`` a piece of pipe. This allows the inspector to see the ``whole picture``. Single point ultrasonic measurements cannot provide this degree of information. Shell`s objective for studying the use of this method centered on optimizing their profile radiography technique to improve accuracy and reproducibility of wall thickness measurements. Accuracy and reproducibility of measurements are particularly important when used to determine corrosion rates. To help achieve this objective, the authors developed an inspection procedure to minimize the more prominent sources of inaccuracies associated with this technique. Along with this procedure, they also developed an associated training program. All of Shell Oil`s Pressure Equipment inspectors and key contract employees have received this training.
Authors:
 [1] ;  [2]
  1. Shell Oil Products Co., Wood River, IL (United States)
  2. Shell Oil Products Co., Houston, TX (United States)
Publication Date:
OSTI Identifier:
253806
Report Number(s):
CONF-960156--
ISBN 1-57698-001-4; TRN: IM9630%%257
Resource Type:
Conference
Resource Relation:
Conference: 2. international symposium on the mechanical integrity of process piping, Houston, TX (United States), 30 Jan - 1 Feb 1996; Other Information: PBD: 1996; Related Information: Is Part Of Second international symposium on the mechanical integrity of process piping: Proceedings; Sims, J.R.; Aller, J.E.; Becht, C. IV; Reynolds, J.T.; Salot, W.J.; Sanders, B.J.; Springer, S.P. [eds.]; PB: 420 p.
Publisher:
Materials Technology Inst. of the Chemical Process Industries, Inc., St. Louis, MO (United States)
Country of Publication:
United States
Language:
English
Subject:
02 PETROLEUM; 42 ENGINEERING NOT INCLUDED IN OTHER CATEGORIES; PETROCHEMICAL PLANTS; PIPES; INDUSTRIAL RADIOGRAPHY; CORROSION PRODUCTS; DETECTION; NONDESTRUCTIVE ANALYSIS; TRAINING; WALLS; THICKNESS