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

  1. Introduction and history of pigging
    1. What is a pig? Where does the name ‘Pig’ originate?
    2. Why pigs were developed and reasons for use
    3. Different types of pig (cleaning, proving, inspect)

1030 – 1045 Coffee break

1045 – 1230

  1. When and why do you pig
    1. Construction
    2. Maintenance
    3. Inspection

1230 – 1315 Lunch

1315 – 1445

  1. Review of utility pigs
    1. Types and uses
    2. Selection of pigs
      1. Internal coating
      2. Objectives
      3. Duration and length of run
      4. Pig efficiency
      5. The unknown (how much, dust, dirt, wax)
      6. Transmitters and tracking

1445 – 1500 Coffee break

1500 – 1615

  1. 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

  1. Pig traps
    1. What are they
    2. Why do we need them
    3. Different types
    4. Trap doors
    5. Procedures for operation

1030 – 1045 Coffee break

1045 – 1230

  1. PRACTICAL DEMOSTRATION AT TEST LOOP – Operation and maintenance of trap doors, pig signaller, valves.

1230 – 1315 Lunch

1315 – 1445

  1. Launch and receive of pigs
    1. Launch
      1. Equipment
      2. How the launch pipework and trap design are set for pig launching
      3. Procedures to launch a pig
      4. Safety
      5. Lifting and loading
    2. b. Receive
      1. Equipment
      2. How the receive pipework and trap designs are set for pig receiving
      3. Procedures
      4. Safety
      5. Extraction and lifting

1445 – 1500 Coffee break

1500 – 1615

  1. 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

  1. How to carry out a feasibility and assessment process for a pipeline pigging project
    1. Piping Aspects (and how they affect pig selection and feasibility)
      1. Presence of pig traps and type of pig traps commonly used.
      2. Alternatives to pig traps?
      3. Temporary or permanent
      4. Pipeline bends (what are the limits?)
      5. Tees
      6. Valves
      7. Special fittings
      8. Distance
      9. Multiple diameters
      10. Special pig designs used now and possible in the future.
    2. Operational conditions (how they affect pig selection and feasibility)
      1. Pressure
      2. Flow rate
      3. Temperature
      4. Dust, debris, wax
      5. Special pig design to overcome these

1030 – 1045 Coffee break

1045 – 1230

  1. HSE during pigging projects
    1. Environmental and safety aspects
      1. Waste handling
      2. NORM
      3. H2S
      4. Venting restrictions
      5. Noise
      6. Purging
      7. Cleaning and washing pigs after a pig run
      8. Pyrophoric dust
      9. Other contaminants
      10. Pig speed.
  2. Developing a cleaning and proving pig programme plan
    1. Considerations
      1. Type of product
      2. Last cleaning run (if any)
      3. Type of debris/ deposits/ waste expected
    2. What are the basics needed to carry out a pig run.
    3. How many runs will be needed
    4. Types of pig to be used and in which order
    5. What are the issues to consider?
    6. Frequency of pig runs.

1230 – 1315 Lunch

1315 – 1445

  1. CLASSROOM and PRACTICAL EXERCISE – Collecting information for a proposed pigging project
    1. Flow calculations, completing a pigging vendor questionnaire
    2. Developing your own site survey forms
    3. The critical measurements to take on site
    4. The importance of following a set method.
    5. Taking and logging relevant pictures.
    6. Writing a site visit report (what is the key information).
    7. Asking the right questions
    8. Looking at the history of the pipeline.

1445 – 1500 Coffee break

1500 – 1615

  1. Planning a pigging project up to and including inspection pigging.
    1. Priority of pipelines
    2. Risk assessments
    3. Budgets
    4. Engineering
    5. 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

  1. Pig running
    1. Ancillary equipment
      1. Loading and extraction trays
      2. Pushers
      3. Extractors
    2. Signalling
      1. Types and application
    3. Tracking
      1. Why we need to
      2. Different trackers
      3. Tracking onshore
      4. Tracking subsea
    4. Stuck pig
      1. How it can happen
      2. Consequences and actions for removal of a stuck pig

1030 – 1045 Coffee break

1045 – 1230

  1. Documentation and record keeping
    1. Maintenance of cleaning pigs, spares, quantities
    2. Record keeping of pig runs.
    3. Feedback documents, QA and performance management of pigs
    4. Developing a pig database

1230 – 1315 Lunch

1315 – 1445

  1. Inspection tools
    1. The need to inspect
    2. Different ILI tools ( loggers, geometry, corrosion, crack)
    3. Choosing your ILI tool
    4. Setting inspection levels

1445 – 1500 Coffee break

1500 – 1615

  1. 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

  1. Pig inspection data reports
    1. Understanding what they say
    2. Defects
    3. What actions are required?

1030 – 1045 Coffee break

1045 – 1230

  1. Planning and carrying out verification digs
    1. How to measure location
    2. Site safety for excavations
    3. Planning the work
    4. Cleaning pipe surface
    5. Measuring defects (equipment to use)

1230 – 1315 Lunch

1315 – 1445

  1. PRACTICAL EXERCISE - On site practical example of finding defect location and measuring a defect.

1445 – 1500 Coffee break

1500 – 1600

  1. Overview of unpiggable pipelines
    1. What makes them unpiggable
    2. How could they be inspected
    3. Pigging offline
    4. Tethered pigs
    5. Crawlers

1600 – 1630 Final discussion, feedback, end of course

1630 Depart CTDUT

1730 Arrive Hotel

Course contributors

CTDUT

Penspen

Pipeway