Flares and Relief Systems: Efficient Design, Safe Operation & Maintenance

OBJECTIVES

  • Defining the possible relief scenarios
  • Commonly used pressure relieving devices, selection and sizing
  • Operational considerations of maintenance, testing, certification, and disposal of fluids
  • Designing and operating relief and flare header systems considering fluid characteristics, service conditions, volumes, gas dispersion, and radiation

WHO SHOULD ATTEND?

  • Engineers responsible for designing relief and flare systems in oil and gas facilities
  • Operations personnel responsible for operating relief and flare systems in oil and gas facilities

Maintenance personnel responsible for the maintenance of relief and flare systems in oil and gas facilities

 

OUTLINE

Typical Flare and Relief System

  • Purpose of relief and flare systems
  • Principle of process relief devices and process design of relief systems
  • Overview of typical relief and flare systems
  • Key components including:
    • Knockout drum
    • Flame arresters
    • Pressure Vacuum Relief Valves (PVRV)
    • Pressure Relief Valves (PRV)
    • Rupture/Bursting Discs
    • Flare Headerlare stacks
    • Interlocks
  • P&ID

Possible Relief Scenarios

  • Vessel and Tank Design
  • Safety implications
  • Causes of overpressure
  • Overpressure protection philosophy
    • Inherent safety
    • Source isolation and relief
  • Flammability
  • Explosions and BLEVE
  • Operational characteristics
  • Causes of improper performance

Operational Considerations of Maintenance, Testing, Certification and Fluid Disposal

  • Codes and standards including good practices
  • Environmental considerations
  • Radiation considerations
  • Purge gas
  • Risk-based inspection and testing
  • Records

Determining Set/Relieving Pressures to Meet Safety and Code Requirements

  • Liquids, Pressure and Hydraulic relief
  • Flow of Liquids
  • Reynolds number, pressure drop in pipes
  • Compressible flow
  • Chocked flow
  • Two-phase and Multi-phase Flow
  • Design and specification considerations for relief valves and header systems, including:
    • Fluid characteristics
    • Service conditions
    • Material selection
    • oHeader sizing
  • Determination of relief requirements and defining set point pressures
  • Blow-down/depressurizing: purpose, design and operational considerations

Selection and Sizing of Key Components

  • Safety and relief valve types,
  • Application and sizing of common relief devices
  • Selection and sizing of key components:
    • Knockout drums,
    • Seal drums,
    • Vent/flare stack,
    • Flare ignition systems

Certificates

A Certificate of Completion will be issued to those who attend & successfully complete the programme.

Schedule

  08:30 – 10:15 First Session

 10:15 – 10:30 Coffee Break

10:30 – 12:15 Second Session

 12:15 – 12:30 Coffee Break

12:30 – 14:00 Third Session

 14:00 – 15:00 Lunch

Training Methodology:

This interactive training course includes the following training methodologies as a percentage of the total tuition hours:

  • 30% Lectures, Concepts, Role Play
  • 20% Workshops & Work Presentations, Techniques
  • 20% Based on Case Studies & Practical Exercises
  • 10% Videos, Software & General Discussions
  • 20% Application
  • Pre and Post Test

Fees

 The Fee for the seminar, including instruction materials, documentation, lunch, coffee/tea breaks & snack is: