Dry Gas Sealing Systems Short Course

Information
Date: March 6-8, 2012
Tuition: $2,250.00
CEU Credits: 2.8

 Location
Hilton Westchase
9999 Westheimer Road
Houston, TX 77042-3802
PH: (713) 974-1000		 Links
Registration Form
Online Registration
Hotel Reservations

Additional Information:

Instructed by Leading Industry Experts:

Vladimir Bakalchuk
Rich Hosanna
Jim McCraw
Glenn Schmidt		 Flowserve
John Crane
BP
EagleBurgmann

• The course considers major aspects of Dry Gas Seal Systems applications and operation.  It provides review of dry gas seal theory and in depth analysis of system application, design and a guide to seal and system component selection. Also, the course provides an overview of system reliability, safety and troubleshooting.

Course Agenda:
Dry Gas Seal Course

  1. Sealing of centrifugal compression equipment
    1. Compressor principals of operation
    2. Axial and Beam style compressors, turbo expanders, centrifugal pumps
    3. Pressure / Velocity through compression stage
    4. Axial Force, Balance Piston and Bearings
    5. Shaft sealing
    6. Seal cavity design
    7. Seal effect on rotordynamics
    8. Compressor factory testing
    9. Gas seal installation & commissioning
    10. Gas seal operation & maintenance
    11. API-617 Requirements
  2. Dry Gas Seals - Physical and Engineering principals of Operation and Design
    1. Physical principals
    2. Engineering design
    3. Materials
    4. DGS arrangements
    5. Secondary sealing elements
    6. DGS factory testing
  3. Requirements to sealing medium, its conditioning and control
    1. Quality of Sealing Gas - requirements
    2. Sources of Sealing gas
    3. Gas conditioning
    4. Sealing gas controls and monitoring
    5. Alarms and Shutdowns
    6. API-614 requirements
  4. Examples of applications
    1. Refineries
    2. Production (offshore and onshore)
    3. Pipelines
    4. Chemicals
      1. Low pressure refrigeration
      2. Toxic
    5. LNG
  5. DGS Retrofits
    1. Assessing feasibility of a retrofit
    2. Why Rotordynamics
    3. Cavity considerations & Seal selection
    4. Compressor modification
    5. Tooling
  6. DGS Failures and Troubleshooting
    1. Liquid contamination
    2. Particulate contamination
    3. Incorrect Installation
    4. System Failures
    5. Case studies / examples
    6. Measures to improve DGS reliability

Course Outline

Chapter 1
  • Compressor principals of operation
  • Axial and Beam style compressors, turbo expanders, centrifugal pumps
  • Pressure / Velocity through compression stage
  • Axial Force, Balance Piston and Bearings
  • Shaft sealing
  • Seal cavity design
  • Seal effects on Rotordynamics
  • Compressor factory testing
  • Gas seal installation & commissioning
  • Gas seal operation & maintenance
  • API-617 Requirements
 Chapter 2
  • Principles of Operation
    • Gas seal overview
    • Gas seal groove patterns
    • Stability of seal gap
    • Axial travel limitations
    • Seal leakage
    • Seal contamination
    • Thermal distortion
  • Materials of Construction
    • Sealing faces
    • Metal adaptive hardware
    • Labyrinth seals
    • Secondary seals
Chapter 3
  • Quality of Sealing Gas - requirements
  • Sources of Sealing gas
  • Gas conditioning
  • Sealing gas controls and monitoring
  • Alarms and Shutdowns
  • API-614 requirements
 Chapter 4
  • Dry Gas Seals Examples of Application
  • Oil and Gas Production On-Shore and Off-Shore
  • Refinery Applications
  • Gas Pipelines
  • Chemicals
  • LNG
Chapter 5&6
  • Assessing feasibility of a retrofit
  • Why Rotor dynamics
  • Cavity considerations & Seal selection
  • Compressor modification
  • Tooling
  • Liquid contamination
  • Particulate contamination
  • Incorrect Installation
  • System Failures
  • Case studies / examples
  • Measures to improve DGS reliability
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