MICHAEL BAKER Jr., Inc.MICHAEL BAKER Jr., Inc.

Stress Corrosion Cracking SCC

WorkshopDecember 2, 2003

Engineering & Energy

Engineering & EnergySCC Study

Study Scope

“Conduct a comprehensive study of Stress Corrosion Cracking (SCC) issues relating to pipeline integrity for both gas and liquid lines, including history of SCC, level of risk, indicators of potential for SCC, detection methods, mitigation measures, assessment procedure, and regulatory procedures for evaluation of industry assessments.”

Engineering & EnergyIntroductions

Baker’s Project Management Team:

• Chris Mayernik, P.E. - Project Manager (Pittsburgh)

• Anchorage• Keith Meyer, Ph. D., P.E. • Paul Carson, P.E.

• Houston• Will Burks• James Towers

Engineering & Energy

• Organized into Two Primary Operations:

Who is Baker?

Engineering Energy

• Transportation• Civil• Environmental• Buildings

• Oil & Gas• Power Generation

Supported by Critical Functional Units and Technology Infrastructure

Engineering & Energy

• Oil & Gas• Operations & Maintenance• Competency-Based Training• Operations Engineering• Supply Chain Management

• Power• Operations & Maintenance• New Equipment Installation• Outage Planning/Overhauls• Engineering / Start-up Assistance

Who is Baker?

Engineering & EnergyOther Tasks

Provide Expert Engineering Services to OPS in support of its pipeline integrity

management initiative for: Metallurgical Evaluations (SCC, Dents,

ERW long seam, wrinkles) Pipeline Detection/Repair Methods (ILI

accuracy, spike hydrotest) Evaluation of Ecological Consequences

Engineering & EnergySCC Study

  Focus Issues Document current knowledge of SCC Preventive/Detection Procedure(s)

currently utilized/ currently feasible Post-Incident Procedure(s) currently

utilized/ currently feasible

Engineering & EnergySCC Detection, Science and History

Overview• What is SCC?• Causes and factors contributing to

SCC initiation and growth• Methods for prevention, detection

and mitigation of SCC on pipelines, including • Coatings• ILI tools • Direct assessment methods • Remediation

Engineering & EnergyGap Analysis

Overview• Determine issues that warrant

further research. May include: • Predictive models• SCC susceptibility parameters• Detection tools/procedures

effectiveness

Engineering & EnergySCC Assessment

Overview• Assessment procedures currently

being utilized within the oil and gas industry

• Best practice procedure(s) of pipeline SCC assessment

Engineering & EnergyRegulatory Practices in Foreign Countries

Overview• Regulatory practices outside the

US

Engineering & EnergyOperator Post-Incident Response and Remediation

OverviewActions taken by pipeline operators

to:• Facilitate response• Assure appropriate remedial

measures• Best practice(s)

Engineering & EnergyContact Information

Chris Mayernik – cmayernik@mbakercorp.com (412) 269-6023

Paul Carson – pcarson@mbakercorp.com (907) 273-1616

Engineering & Energy