Syllabus
27-31 August, 2012
Day 1 – Introduction to pigging
0730 Depart Pestana Rio Atlantica Hotel, Copacabana
0845 Arrive CTDUT
0845 – 0900 Registration, safety information, general information,
course introduction and overview of 5- day schedule.
0900 – 1030
- Introduction and history of pigging
- What is a pig? Where does the name ‘Pig’ originate?
- Why pigs were developed and reasons for use
- Different types of pig (cleaning, proving, inspect)
1030 – 1045 Coffee break
1045 – 1230
- When and why do you pig
- Construction
- Maintenance
- Inspection
1230 – 1315 Lunch
1315 – 1445
- Review of utility pigs
- Types and uses
- Selection of pigs
- Internal coating
- Objectives
- Duration and length of run
- Pig efficiency
- The unknown (how much, dust, dirt, wax)
- Transmitters and tracking
1445 – 1500 Coffee break
1500 – 1615
- PRACTICAL EXERCISE
Description and visit to the test loop – view example of a cleaning pig, proving pig and transmitter.
1615 – 1630 Review of Day 1, Q&A’s, Overview for Day 2
1630 Depart CTDUT
1730 Arrive Hotel.
Day 2 – Pig traps, pig loading, extraction, launch and receive procedures
0730 Depart Hotel
0845 Arrive CTDUT
0900 – 1030
- Pig traps
- What are they
- Why do we need them
- Different types
- Trap doors
- Procedures for operation
1030 – 1045 Coffee break
1045 – 1230
- PRACTICAL DEMOSTRATION AT TEST LOOP – Operation and maintenance of trap doors, pig signaller, valves.
1230 – 1315 Lunch
1315 – 1445
- Launch and receive of pigs
- Launch
- Equipment
- How the launch pipework and trap design are set for pig launching
- Procedures to launch a pig
- Safety
- Lifting and loading
- b. Receive
- Equipment
- How the receive pipework and trap designs are set for pig receiving
- Procedures
- Safety
- Extraction and lifting
1445 – 1500 Coffee break
1500 – 1615
- PRACTICAL DEMONSTRATION & EXERCISE AT TEST LOOP: Loading and launching and receiving and extraction of a cleaning pig and other utility pig in the test loop.
1615 – 1630 Day 2 Q&A’s, Overview for Day 3
1630 Depart CTDUT
1730 Arrive Hotel
Day 3 – How to carry out a feasibility study and planning for a pigging project
0730 Depart Hotel
0845 Arrive CTDUT
0900 – 1030
- How to carry out a feasibility and assessment process for a pipeline pigging project
- Piping Aspects (and how they affect pig selection and feasibility)
- Presence of pig traps and type of pig traps commonly used.
- Alternatives to pig traps?
- Temporary or permanent
- Pipeline bends (what are the limits?)
- Tees
- Valves
- Special fittings
- Distance
- Multiple diameters
- Special pig designs used now and possible in the future.
- Operational conditions (how they affect pig selection and feasibility)
- Pressure
- Flow rate
- Temperature
- Dust, debris, wax
- Special pig design to overcome these
1030 – 1045 Coffee break
1045 – 1230
- HSE during pigging projects
- Environmental and safety aspects
- Waste handling
- NORM
- H2S
- Venting restrictions
- Noise
- Purging
- Cleaning and washing pigs after a pig run
- Pyrophoric dust
- Other contaminants
- Pig speed.
- Developing a cleaning and proving pig programme plan
- Considerations
- Type of product
- Last cleaning run (if any)
- Type of debris/ deposits/ waste expected
- What are the basics needed to carry out a pig run.
- How many runs will be needed
- Types of pig to be used and in which order
- What are the issues to consider?
- Frequency of pig runs.
1230 – 1315 Lunch
1315 – 1445
- CLASSROOM and PRACTICAL EXERCISE – Collecting information for a proposed pigging project
- Flow calculations, completing a pigging vendor questionnaire
- Developing your own site survey forms
- The critical measurements to take on site
- The importance of following a set method.
- Taking and logging relevant pictures.
- Writing a site visit report (what is the key information).
- Asking the right questions
- Looking at the history of the pipeline.
1445 – 1500 Coffee break
1500 – 1615
- Planning a pigging project up to and including inspection pigging.
- Priority of pipelines
- Risk assessments
- Budgets
- Engineering
- Manpower
1615 – 1630 DAY 3 Q&A’s, Overview for Day 4
1630 Depart CTDUT
1730 Arrive Hotel
Day 4 – Ancillary equipment, tracking and record keeping
0730 Depart Hotel
0845 Arrive CTDUT
0900-1030
- Pig running
- Ancillary equipment
- Loading and extraction trays
- Pushers
- Extractors
- Signalling
- Types and application
- Tracking
- Why we need to
- Different trackers
- Tracking onshore
- Tracking subsea
- Stuck pig
- How it can happen
- Consequences and actions for removal of a stuck pig
1030 – 1045 Coffee break
1045 – 1230
- Documentation and record keeping
- Maintenance of cleaning pigs, spares, quantities
- Record keeping of pig runs.
- Feedback documents, QA and performance management of pigs
- Developing a pig database
1230 – 1315 Lunch
1315 – 1445
- Inspection tools
- The need to inspect
- Different ILI tools ( loggers, geometry, corrosion, crack)
- Choosing your ILI tool
- Setting inspection levels
1445 – 1500 Coffee break
1500 – 1615
- PRACTICAL EXERCISE AT TEST LOOP – Pig tracking, locating a pig, completing documentation. Repair to a utility pig. What can the damage to a pig tell us about the pipeline?
1615 – 1630 DAY 4 Q&A’s, Overview for Day 5
1630 Depart CTDUT
1730 Arrive Hotel
1900 Course dinner
Day 5 – Understanding pig data and carrying out verification digs
0745 Depart Hotel
0845 Arrive CTDUT
0900 – 1030
- Pig inspection data reports
- Understanding what they say
- Defects
- What actions are required?
1030 – 1045 Coffee break
1045 – 1230
- Planning and carrying out verification digs
- How to measure location
- Site safety for excavations
- Planning the work
- Cleaning pipe surface
- Measuring defects (equipment to use)
1230 – 1315 Lunch
1315 – 1445
- PRACTICAL EXERCISE - On site practical example of finding defect location and measuring a defect.
1445 – 1500 Coffee break
1500 – 1600
- Overview of unpiggable pipelines
- What makes them unpiggable
- How could they be inspected
- Pigging offline
- Tethered pigs
- Crawlers
1600 – 1630 Final discussion, feedback, end of course
1630 Depart CTDUT
1730 Arrive Hotel
Course contributors


