Modeling Liquefied Natural Gas Plant Using Aspen HYSYS®

Use the capabilities of Aspen HYSYS Upstream to enable shared workflow for Liquefied Natural Gas plant modeling. Build a composition based flowsheet. Utilize several analysis tools for improving overall performance. Implement different unit used to customize flowsheet

Audience:

  • New Engineering graduates and Technologist who need to develop an understanding of LNG processing
  • Professionals who are new to in the modeling of LNG Processing Industry
  • Professionals who want to extend the skills gained in EHY101 Aspen HYSYS Process Modeling course by learning how to use the Upstream capabilities and Sulsim in Aspen HYSYS®

Training Details

  • Course Id:

    EHY130

  • Duration:

    2 day(s)

  • CEUs Awarded:

    1.4

  • Level:

    Intermediate

Benefits

  • Use the Production Allocation Utility to allocate production flow rates among contributing wells
  • Introduce the Acid Gas Property Packages and Simulate the effect of adding MEA to MDEA-Based Process
  • Build a Sulfur Recovery Unit (3 Stage Claus Process) in Aspen HYSYS
  • Use the Hydrate Formation Analysis to calculate hydrate formation temperatures and pressures
  • Monitor mercury free phase and mercury distribution
  • Add and manipulate column specifications to meet process objectives
  • Use the LNG Exchanger operation to simulate multi-pass heat exchangers and Utilize the Sub-Flowsheet to build a modularized process flowsheet

Approach

  • Instruction on basic topics
  • Discussion about the general approach and the key elements for successful simulations
  • Instructor-guided demonstrations of product features
  • Hands-on workshops that apply learned concepts
  • Detailed course notes and reference materials
  • Answer keys

Pre-requisites

  • EHY101 Aspen HYSYS Process Modeling or Some prior knowledge of upstream industry practices is expected
  • Familiarity with basic Aspen HYSYS steady-state process modeling techniques

Subsequent Courses

  • EHY202 Aspen HYSYS: Advanced Process Modeling Topic
  • EHY223 Aspen HYSYS Dynamics:  Introduction Dynamic Modeling
  • EHY235 Modeling Heavy Oil & Gas Production and Facilities Using Aspen HYSYS® Upstream
  • EHY2102 Aspen HYSYS Petroleum Refining: Process Modeling and Optimization for Refinery Unit Operations

Agenda

Attention: This course is depevelped by assembling the topics we offer in other HYSYS courses (EHY101, EHY202 and EHY235) and reorganized as Liquefied Natural Gas Plant course. Hence some topics in this course overlap with the ones covered in other HYSYS courses (EHY101, EHY202 and EHY235).
 
Introduction to Aspen Upstream
  • Introduction to Aspen HYSYS Upstream basis
  • Describe the key product features
Heavy Oil Characterization
  • Specify material streams using Oil & Gas Feed capabilities and calculate unknown heavy oil properties
  • Select crude oil information from the built-in HYSYS library of worldwide crude samples
  • Work with the Macro Cut table as an option for defining the Oil & Gas Feed
  • Workshop: Perform Heavy Oil Characterization Build a composition based flowsheet
Model a Gas Oil Separation Plant (GOSP)
  • Build a composition based flowsheet
  • Add additional properties to streams through the use of property correlations
  • Use the Adjust logical operation to achieve a process objective
  • Use the Production Allocation Utility to allocate production flow rates among contributing wells.
  • Workshop: Model a two-stage oil-gas separation plant using the Pipeline Simulation module as a basis
Model an Acid Gas Cleaning Process
  • Introduce the Acid Gas Property Packages
  • Simulate the effect of adding MEA to MDEA-Based Process
  • Configure a Liquid-Liquid Extractor
  • Workshop: Model an acid gas sweetening process using Mixed Amines and configure a Liquid-Liquid Extractor.
 
Sulsim
  • Build a Sulfur Recovery Unit (3 Stage Claus Process) in Aspen HYSYS
  • Configure the thermal and catalytic stages of the recovery process
  • Utilize the Air Demand Analyzer to improve the overall performance
  • Workshop: Model a Sulfur Recovery Unit (SRU) by configuring the thermal and catalytic stages using the Specialized Sulfur Recovery Sub-Flowsheet tools and increase the overall performance using the Air Demand Analyzer.
Gas Dehydration
  • Review methods for saturating a hydrocarbon stream with water in Aspen HYSYS
  • Use the Hydrate Formation Analysis to calculate hydrate formation temperatures and pressures
  • Build a vacuum distillation tower with side draws and pump arounds
  • Apply the Recycle operation as a flowsheet-building tool appropriate for a variety of simulations
  • Workshop Gas Dehydration: Model a typical gas dehydration unit and study gas saturation, hydrate formation conditions, and unit operation performance throughout the model
 
 
 
Mercury Removal
  • Define a Production Allocation analysis
  • Track contribution, and review results using the Case Study tool.
  • Apply Lumper/Delupmer operations to modify the total number of components
  • Monitor mercury free phase and mercury distribution
  • Workshop: Implement Production Allocation Utility, Lumper/Delumper operations, and Free Mercury Analysis
NGL Fractionation
  • Introduce Aspen HYSYS column models and templates
  • Use the Input Expert to add and define a distillation column
  • Add and manipulate column specifications to meet process objectives
  • Include column side operations for additional distillation configuration options
  • Workshop NGL Fractionation: Model a two column natural gas liquids (NGL) fractionation train
Liquefied Natural Gas (LNG) Plant
  • Use the LNG Exchanger operation to simulate multi-pass heat exchangers
  • Utilize the Sub-Flowsheet to build a modularized process flowsheet
  • Workshop: Model an LNG production process
Explore Conceptual Design Builder to swiftly build GOSP
  • Understand the capabilities and options in the HYSYS Conceptual Design Builder
  • Use the Conceptual Design Builder to quickly build a HYSYS model of a Gas Oil Separation Plant (GOSP)
  • Review results in separated reports
  • Workshop: Specify and build a Gas-Oil Separation Plant (GOSP) model using the Conceptual Design Builder tool in Aspen HYSYS
 
 

Register for a Class

Date Class Type Location Price Language
Date(s): 11/18/2025 - 11/19/2025 Type: Public Virtual Location: Virtual-EMEA Price: (USD) 2000.00 Language: English Register
Date(s): 02/17/2026 - 02/18/2026 Type: Public Virtual Location: Virtual-EMEA Price: (USD) 2000.00 Language: English Register
Date(s): 05/19/2026 - 05/20/2026 Type: Public Virtual Location: Virtual-EMEA Price: (USD) 2000.00 Language: English Register
Date(s): 02/17/2026 - 02/18/2026 Type: Public Virtual Location: Virtual-Americas Price: (USD) 2000.00 Language: English Register
Date(s): 05/26/2026 - 05/27/2026 Type: Public Virtual Location: Virtual-Americas Price: (USD) 2000.00 Language: English Register
Date(s): 02/17/2026 - 02/18/2026 Type: Public Classroom Location: 2500 Citywest Blvd, Suite 1600
Houston , Texas USA 77042 		Price: (USD) 2000.00 Language: English Register
Date(s): 05/26/2026 - 05/27/2026 Type: Public Classroom Location: 2500 Citywest Blvd, Suite 1600
Houston , Texas USA 77042 		Price: (USD) 2000.00 Language: English Register

Aspen Technology, Inc. awards Continuing Education Units (CEUs) for training classes conducted by our organization. One CEU is granted for every 10 hours of class participation.