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Pipeline Repair
Methods/InService Welding Course
| February 3 |
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| 7:30am |
Registration & coffee |
| 8:00am-5:00pm |
Course |
| February 4 |
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| 8:00am-12:00pm |
Course |
The various aspects of pipeline repair
using weld and non-weld methods will be covered, as
will the concerns for welding onto in-service pipelines
and the approaches used to address them.
Pipeline engineers, Operations and
Maintenance personnel, inspectors, and welders.
All delegates will receive a detailed
set of lecture notes containing more than 250 pages,
providing an invaluable reference document after the
course.
Continuing
Education Units
Upon completion of the course, participants
will be eligible to receive 1.0 Continuing Education
Units (CEUs).
7:30am-8:00am Registration,coffee
8:00am-5:00pm Course
Pipeline Repair
Methods/InService Welding
• Introduction
• Incentives
• Primary Concerns
Defect Assessment
Prior to Repair
• Reason for Assessment
• Types of pipeline defects
• Pressure Reduction Requirements
• Corrosion Measurement Methods
• Corrosion Assessment Methods
Selecting an
Appropriate Repair Method
• Pipeline Repair Manual
• Detailed Selection Criteria
Burnthrough
and Related Safety Concerns
• Factors Affecting Burnthrough
• Effect of Wall Thickness
• Effect of Heat Input
• Effect of Flow Rate/Pressure
• Avoiding Burnthrough
Hydrogen Cracking
Concerns
• Recent Significant Incidents
• Common Factor/Recommendation
• Hydrogen Cracking Requirements
• Welding Metallurgy 101
• Prevention of Hydrogen Cracking
FullEncirclement
Repair Sleeves
• FullEncirclement Sleeve Types
• Principle of Operation
• Assuring Effective Reinforcement
• Sleeve Design
• Sleeve Fabrication
Hot Tap Branch
Connections
• Branch Connection Design
• Reinforcement Types
• IntegrallyReinforced
Pipeline Repair
by Weld Deposition
• Physical Concept
• History of Weld Deposition Repair
• Burnthrough Risk
• Integrity Restoration
• Practical Application
NonWelded Repairs
• Repair by Grinding
• Composite Repairs
• EpoxyFilled Shells
Code and Regulatory
Requirements
• Recent Changes to API 1104
• Code Requirements for Weld Deposition Repair
DAY 2
Procedure Selection
for Hot Tap and Repair Sleeve Welding
• Burnthrough Risk Summary
• Prevention of Hydrogen Cracking
• Welding Procedure Options
• Welder/Procedure Qualification
• Predicting Required Heat Input
• Selecting an appropriate procedure
Practical Aspects
of Hot Tap and Repair Sleeve Welding
• Proper electrode handling
• Proper fitup
• Proper welding sequence
• Control of Heat Input Levels
• Inspection and Testing
Lessons to be Learned from Past Pipeline Repair Incidents
• Reported Incidents
• PreviouslyUnreported Incidents
• Ten Commandments of InService Welding
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3401 Louisiana Street
Suite 255
Houston, Texas 77002
Tel. +1 (713) 521-5929 Fax +1 (713) 521-9255
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