Pipeline Pigging & Integrity Management
Houston - February 2008

Clarion Technical Conferences
Subsea
Pipeline

 

Direct Assessment Methods for Pipeline Integrity

February 11, 2008
7:30am Registration & coffee
8:00am-4:45pm Course

February 12, 2008

8:00am-4:45pm Course

Course Objectives

On completion of the course, participants will have a solid understanding of the procedures, strengths, limitations, and applicability of various Direct Assessment technologies and methods as they relate to pipeline inspection and integrity assessment for compliance with DOT regulations, and of the related industry codes and standards which will be reviewed and explained.

Who should attend

Pipeline engineers, designers and service professionals who are involved with the maintenance, inspection, and repair of pipelines.

Lecturer

Kurt Lawson is Vice President of CC Technologies Systems, Inc., a corrosion engineering and research firm specializing in corrosion, corrosion control methods, research, failure analysis, and cathodic protection monitoring, design and construction. He has more than 17 years of field experience in the corrosion testing and evaluation of buried structures, including reinforced soil structures, pilings, reinforced concrete structures, and cathodically protected tanks and pipelines. Work on these structures has covered a wide range of techniques including basic potential surveys, application of advanced AC and DC electrochemical methods, advanced potential surveys utilizing digital storage oscilloscopes, and complex finite element computer modeling of cathodic protection systems and their effectiveness.

Course Notes

Included with the course fee are detailed course notes in ring-binder format for reference.

Continuing Education Units

Upon completion of the course, participants will be eligible to receive 1.2 Continuing Education Units (CEUs).

Course Outline

DAY 1
General
• Regulatory Issues
• NACE Standard
• INGAA
• ASME B31.8S

External Corrosion Direct Assessment (ECDA)
NACE Standard RP0502-2002
Four Steps Definitions (Pre-Assessment, Indirect Examinations, Direct Examination, Post Assessment)

Pre-Assessment
• Data Collection
• ECDA Feasibility for pipelines
• Indirect Inspection Tool selection
• ECDA Region identification

Indirect Examination
• Selection of Indirect Selection Tools
• Data alignment and comparison
• Indication Classification

Direct Examination
• Prioritization
• Excavations and Data Collection
• Coating damage and corrosion depth measurements
• Measurements
• Remaining strength evaluation
• Root cause analysis
• Mitigation
• In-Process evaluation
• Reclassification and Reprioritization
• Guidelines for determining the required number of Direct Examinations

DAY 2
Post Assessment
• Remaining Life Calculations
• Reassessment Intervals
• Assessment of ECDA Effectiveness
• Feedback and Improvements
Records

Indirect Inspection Methods
• Close Interval Surveys CIS
• AC Current Attenuation
• DCVG and ACVG Surveys
• Pearson Surveys
• Cell to cell Surveys

Example of ECDA Application

Internal Corrosion Direct Assessment (ICDA)
NACE Standard prepared by TG 293
Four Steps Definitions (Pre-Assessment, Indirect Examinations, Direct Examination, Post Assessment)

Pre-Assessment
• Data Collection
• ICDA Feasibility for pipelines
• ECDA Region identification

Indirect Examination
• Steady State Flow Modeling Calculations
• Inclination Profile Calculations

Direct Examination
• Site Selection
• Site Selection for Constant Flow Rate Pipelines
• Site Selection for Varied low Rate Pipelines
• Excavation and Inspection

Post Assessment
• Assessment of ICDA Effectiveness
• Reassessment Intervals

Records

Example of ICDA Application


Stress Corrosion Direct Assessment (SCCDA)
NACE Standard prepared by TG 273
General – Overview of SCC types and Characteristics
Four Steps Definitions (Pre-Assessment, Indirect Examinations, Direct Examination, Post Assessment)

Pre-Assessment
• Data Collection
• Prioritization of pipeline segments

Indirect Examination
• Site selection
• Field verification of selected sites

Direct Examination
• Excavation and examination

Post Assessment
• Evaluation and documentation
• Reassessment Intervals

Records

Example of SCCDA Application


Organized by:      
Clarion Technical Conferences Global Pipeline Monthly    
Supported by:      
ASME Internationalthe In Line Inspection Association Pigging Products & Services AssociationPipeline & Gas Journal   Gold Sponsor
Gold SponsorRosen
the Journal of Pipeline Engineering PIPE  

Silver Sponsors
Silver Sponsorship Synergy Services

Tuboscope Pipeline Services

Oil & Gas Journal PRCI   Business Center Sponsor
Bronze SponsorshipApplus RTD
Pipeline and Gas Technology      

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