Day One: Oil and Gas Pipelines
- Introduction: Oil and gas pipelines types and standards
- Layout of oil and gas pipelines: Components and relevant functions
- Glossary of terms used in pipelines hot tapping and plugging operations
- Pipelines construction: Site preparation – Pipes transportation – Ground trenching – Pipes laying and covering – Pipes bending – Pipes welding and joint coating – Pipes cleaning – Pipeline` inspection and testing
Day Two: Pipelines Hot Tapping and Plugging
- The concept of hot tapping and plugging
- Hot tapping and plugging applications: Branch connection attachment – Monitor installation – Redirect flow – Defects removal - Line stopping
- Factors affecting the hot tapping and plugging process: Pipe size – Distance flanges – Distance to welded portions – Distance to valves
- Hot tapping orientation: Standard and non-standard
- Hot tapping and plugging standards: API and ASME related standards
Day Three: Hot Tapping and Plugging Equipment
- Types: Hand – Hydraulic – Electric – Pneumatic
- Equipment basic data and considerations
- Equipment design features and construction
- Examples of hot tapping equipment: Description, specifications, features and fitting applications of the tapping machines – the sandwich valve
- Branch connection fitting
- Thread O-ring flanged fitting
- Spherical three-way Tee
- Composite warp
- The plugging machine
- The lock-up ring flanges & plugs
- Wedge-lock pipe plug
- Equipment test
- Freeze plugging
Day Four: Hot Tapping and Plugging Procedure
- Cases where hot tapping is prohibited
- Selection of hot tap location
- Design considerations
- Preparatory work to hot tapping
- Hot tapping operation management
- Technicians` qualifications and skills
- Hot tapping of lines pipes
- Hot tapping basic requirements and operations
- Welding preparation, procedure, and inspection
- Hot tapping machine installation
- Hot tapping operations and work completion
- Hot tapping check lists
- Line stops: Types – Layout – Operation – Completion plug
Day Five: Hot Tapping and Plugging Hazards and Risk Reduction
- In-service hot tapping emergency action plan
- Hot tapping features and relevant hazards
- Various hazards : Physical – Thermal – Chronic – Toxic – Combustible
- Hazards risk reduction
- Case studies: Hot tapping economy – Hot tapping hazards