Pipeline Pigging Technical and Operational Aspect

Pipeline Pigging: Technical and Operational Aspects is a critical process in the maintenance, inspection, and cleaning of pipelines that transport oil, gas, water, and other fluids. Pipeline pigging involves sending specialized devices called “pigs” through the pipeline to perform tasks such as cleaning, inspecting, or separating different products. This course is a comprehensive overview of the technical and operational aspects of pipeline pigging, including its types, purposes, tools, challenges, and best practices.

Audience

This course is intended for professionals working in pipelines management and integrity, including:

Operations engineers
Projects engineers
Maintenance & inspection engineers
Supervisors and experienced technicians

Course objectives

To enhance the delegate knowledge, skills, and abilities necessary to give him some practical exposures to the pigging operations including pipeline cleaning and inspection.

By the end of this course, participants will be able to:

Types of pigs
Function of pigs
Pigging operation selection upon application
HSE during pigging operations

Course contents

Day-1:

1 – Introduction to Pipelines

2- Codes and standards related to pipelines

3- Pipelines materials, manufacturing and coating

4- Fluid Properties

5-Pipeline Design and Operations

Gas pipeline
Liquid pipeline
Multiphase pipeline

6- Flow in Pipelines

7- Introduction & History of Pigging

What is a ‘Pig’?
Development and reasons for use
Different types of pig

Day-2:

8- Pig Traps

What are they
Why do we need them
Different Types
Trap doors
Procedures for operation

9-Launch & Receive of Pigs

Equipment
How the pipe work and trap design are set for pigging.
Procedures to launch a pig.
Safety
Lifting and loading

Day-3:

10- When & Why do you Pig

Construction, Maintenance, Inspection

11- Review of Utility Pigs

Types & Uses; Selection of Pigs
Internal coating
Objectives
Duration; length of run
Pig efficiency
The unknown; dust, dirt, wax
Transmitters and Tracking

12- Feasibility and assessment processes for pigging projects

Piping Aspects; pig selection and feasibility
Presence and types of pig traps
Alternatives to pig traps?
Temporary or Permanent
Pipeline Bends, Tees and Valves
Special fittings
Distance
Multiple diameters
Current and future special pigs designs

Day-4:

13- Operational Conditions; effects on pig selection and feasibility

Pressure, Flow rate and Temperature
Dust, debris, Wax.
Special Pig Design to Overcome these

14-Developing a Cleaning & Proving Pig Program Plan

Considerations
Type of product
Last cleaning run
Type of debris/ deposits/ waste
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
Issues to consider
Frequency of pig runs.

Day-4:

15-Planning a Pigging Project up to and including Inspection Pigging.

Priority of Pipelines
Risk Assessments
Budgets, Engineering and Manpower

16- HSE during Pigging Projects

Environmental and Safety Aspects
Waste Handling
NORM
H2S
Venting Restrictions
Noise
Purging
Cleaning & Washing Pigs after a pig run
Pyrophoric Dust
Other contaminants.
Pig Speed.

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