Training Day Two
Pipeline Failures
This module aims to provide an introduction to some of the known failure modes of pipeline and facilities. An introduction to facture mechanics will be made with reference to BS 7910.
· Failures associated with sour service, SCC, HIC etc.
· Failures associated with CO2
· Failures associated with Microbiological bacteria
· Failures associated with welding
· Metallurgical aspect of failures
§ Manufacturing defects
§ Failure modes and how pipelines fail (ductile/brittle fracture)
§ Crack propagation,
§ Methods to assess cracks (Ref. BS 7910, API 579)
Repair and Remediation
The objective of this module is to describe the main pipeline repair techniques. The applicability of each of the techniques for the repair of defects will be discussed. The following techniques will be included:
· Repair and rehabilitation strategy
· Response to discovering defects
· What are the cost implications?
· Types of repair and rehabilitation methods
· Grinding, Weld deposition
· Composite wraps
· Cut outs
· Mechanical clamps/connectors
· Time to repair