Oil & Gas CFD, Process and Pipeline Simulation
Frequently Asked Questions
Oil & Gas Projects
Standards & Regulatory Context
DSEAR 2002
Controls risks from dangerous substances, fire and explosive atmospheres.
COMAH 2015
Addresses major accident hazards involving dangerous substances at higher-risk sites.
Pipelines Safety Regulations 1996
Sets safety requirements for the design, operation and maintenance of pipelines in Great Britain.
IGEM/TD/1 Edition 6 with amendments May 2024
Industry standard for the design, construction, operation and maintenance of high-pressure gas transmission pipelines.
Gas Safety (Management) Regulations
Industry standard for the design, construction, operation and maintenance of high-pressure gas transmission pipelines.
Discuss Your Oil & Gas Project
Tell us the engineering decision you need to make, the information you already have and the timescale you are working to. Your enquiry will be reviewed by a CFD engineer, who will acknowledge your enquiry within one working day and identify the most proportionate next step.
Oil & Gas Engineering Challenges
Maintaining Flow Assurance Across the Operating Envelope
Changes in pressure, temperature and composition can create condensation, pressure loss and temperature constraints that affect pipeline and process performance.
Meeting Product Specification Efficiently
Gas treatment and separation systems must achieve required composition and dew-point conditions while controlling equipment size, energy demand and operating cost.
Managing Safety and Integrity Risk
Simulation helps assess releases, depressurisation and adverse thermal conditions, supporting safer design and compliance with applicable requirements.
Improving Existing Asset Performance
Poor flow distribution, pressure loss and inefficient heat transfer can limit equipment performance. Simulation helps identify the cause before modification or replacement.
Mansim Oil & Gas Capabilities
Simulation-Led Engineering from Extraction to Transmission
1. Upstream
Reservoir flow · wellbores · multiphase transport
Analyse porous-media behaviour, wellbore flow, phase distribution and changing multiphase flow regimes.
2. Processing
Gas treatment · dehydration · separation · heat recovery
Model complete process routes, equipment duties and gas specifications while assessing energy and resource requirements.
3. Storage
Storage tanks · heating · thermal management · instrumentation
Optimise fluid circulation, heating arrangements, thermal uniformity and operating efficiency.
4. Transmission
Pipelines · pressure · temperature · flow assurance · condensation
Determine pressure and temperature evolution, critical pipeline locations and compliant operating envelopes.
5. Safety & Integrity
Gas dispersion · hazardous releases · materials · operating limits
Assess abnormal conditions, gas accumulation, ventilation, material exposure and risk-reduction measures.
6. Optimisation & Assurance
Uncertainty · design optimisation · compliance · engineering decisions
Compare engineering options and operating strategies against performance, risk, cost and compliance criteria.
Relevant Simulation Methods
Computational Fluid Dynamics
Process Simulation
Thermal-Hydraulic & Real-Gas Modelling
Multiphase Flow Modelling
Transient & Multiphysics Simulation
Optimisation & Uncertainty Analysis
Mansim helps operators, engineering contractors, technology developers and asset owners understand how oil and gas systems will perform before committing to equipment changes, operating strategies or capital investment.
Our work combines CFD, process simulation, thermal-hydraulic modelling, multiphase flow and optimisation across production, processing, storage and transmission infrastructure. From natural-gas treatment and pipeline flow assurance to thermal management and hazardous gas dispersion, we provide quantitative engineering evidence for performance, integrity, safety and compliance decisions.
