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CHEMCAD Process Simulation
Model the entire oil-and-gas value chain in one environment
Steady-state and dynamic tools in a single workspace let engineers simulate gas treating, LNG liquefaction, refinery units, flare/relief systems, and compressor or pump transients. A 2,500+ component database, 40+ thermodynamic methods, and 50+ unit-operation blocks deliver rigorous material- and energy-balance results from wellhead to off-sites. API-compliant routines size PSVs, flare headers, and exchangers for regulatory review.
Discover CHEMCAD
CHEMCAD Dynamics
Evaluate start-up and shut-down transients
Time-dependent modelling captures temperature gradients, throughput, and control response for refineries, LNG trains, on- and offshore facilities. Engineers can verify permissive logic, evaluate pressure transients, and confirm that critical parameters stay within API and OEM limits before field testing.
Run Dynamic Simulation
CHEMCAD Thermodynamics
Rate and troubleshoot heat exchangers
Shell-and-tube, air-cooler, and plate configurations can be evaluated in clean and fouled states using user-defined or back-calculated fouling factors. Iterative rating quantifies duty loss, pressure drop, and approach temperature to support maintenance planning and retrofit decisions.
Evaluate Exchanger Fouling
CHEMCAD Steady State
Size flare and relief systems to API 520/521
Steady-state hydraulics calculate governing relief scenarios, aggregate header loads, and predict back-pressures to each PSV. Engineers can confirm Mach number, velocity, and temperature remain within design envelopes to document compliance and avoid undersizing.
Validate Flare Network
CHEMCAD Thermodynamics
Assess acid-gas treating and hydrate risk
Comprehensive property methods predict CO₂/H₂S absorption, rich-amine loading, and hydrate-formation temperature across pressure, temperature, and composition ranges. Outputs support solvent selection, heat-exchanger duty estimates, and pipeline operating envelopes for on- and offshore projects.
Analyze Gas Sweetening
CHEMCAD Column Solver
Optimize distillation and absorption columns
Rigorous equilibrium calculations determine minimum reflux and hydraulic limits for trays and packing. Engineers can compare feed-stage revisions, condenser temperature changes, and pressure adjustments to maximise throughput without hardware modifications.
Debottleneck Column
CHEMCAD CCUS Toolkit
Design post-combustion CO₂ capture units
Rigorous mass and energy balances simulate absorber and stripper performance, quantify solvent circulation rates, and predict CO₂ capture under varying flue gas conditions. Evaluating process sensitivity to flue gas composition and solvent rates informs energy penalty and cost evaluations.
Model CO₂ Capture
CHEMCAD Property Manager
Meet property targets for spec compliance
Track and validate key physical properties such as density, boiling point, or vapor pressure across varying process conditions. Build custom oil assays and model compositional effects on properties to meet regulatory and customer specs, support quality assurance, and avoid costly safety or acceptance issues.
Meet Market Demands
Impulse
Analyze surge pressures
Transient analysis simulates valve closures, pump trips, and relief events, providing time-history plots of pressure, velocity, and cavitation index. Results support the selection of surge vessels, non-slam check valves, and wall-thickness calculations per ASME B31.4/B31.8.
Perform Surge Analysis
Arrow
Evaluate compressor-station performance
Gas-flow modelling balances suction headers, predicts compressor polytropic head, and identifies optimal recycle settings. Scenario comparisons help reduce fuel consumption and verify that discharge pressures meet downstream contract requirements across seasonal demand ranges.
Optimize Gas Flow
Fathom & Impulse
Analyze slurry transport
The Settling-slurry module calculates critical velocity, heterogeneous pressure drop, and pump derating for drilling muds and crude slurries. Engineers can size line ID, select pump curves, and estimate erosion rates to ensure long-term reliability and regulatory compliance.
Evaluate Slurries
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