| Design Element |
Challenges |
Simulation Benefits |
|
Drilling
- Drill head design
- Drilling fluids
- Horizontal wells
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- Reliable cutting operations in harsh environments
- Rapid product development cycle
- Efficiency of cuttings removal is critical to maximize rate of penetration (ROP)
- Nozzle design plays a major role in cuttings removal
- Measurements and model visualizations are difficult and expensive
|
- Analysis of drill bit and inner row interaction effectiveness
- Detailed information for the flow field and shear rate characteristics, indicating effective drilling mud removal
- Optimization
- Cone cleaning, bottom hole cleaning
- Cuttings evacuation
- Erosion prediction
- Understanding of cutting stresses
- Ability to design for torque related mechanical stresses
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|
Cementing/Mudflow in Casings
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- Complex flow of non-Newtonian fluid in eccentric gaps
- Applications are common in directional drilling, cement jobs, and wellbore completion
- Cutting accumulations in narrow gaps
- Inconsistent cementing in casing
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- Detailed mapping of fluid including cutting, drilling fluid through the gap
- Understanding the effect eccentricity and fluid viscosity
- Evaluation of flow through casing for completion, cement job
- Study of bore holing
|
|
Offshore StructuresWind and Wave Loading
|
- Structural safety for different wave and wind loading
- Effect of wind direction and the associated forces
- Fire and gas dispersion
|
- Detailed mapping of wind loads on all elements of the structure
- Ability to study the effect of under water waves
- Fluid-induced motion (FIM) studies
- Studies which can account for extreme loads due to storms, including the effect of wind headings
- Enhanced understanding of the forces and flow details around helicopter decks
- Visual illustrations of recirculation and low flow areas for smoke and pollutant dispersion concerns
|
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Offshore Structures and Hydrodynamics
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- Multi-body hydrodynamics
- Wind/wave forces on offshore structures
- Global performance
- Moorings and DP systems
- Load transfer for structural analysis
- Fatigue and extreme condition design
|
- Structural integrity of floating/fixed platforms
- Multi-body linear and non-linear hydrodynamics and motion
- 3D diffraction/radiation analysis
- Frequency domain analysis
- Non-linear time-history simulation
- Analysis of coupled-line dynamics
- Code compliance
- Launch and jack-ups
|
|
Gas Dispersion
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- Design for safety of operation and crew in case of fire and chemicals leak
- Account for effect of wind direction, species dispersion
- Entrainment of exhaust fumes from vessels and flares
|
- Evaluate different configurations under various wind direction
- Predict best locations for crew quarters and evacuation strategies
- Placement of heli-deck
- Design and placement of flares
|
|
Environmental Pollution Dispersion
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- Understand and eliminate the sources of accidental release of chemicals and pollutants
- Predict dispersion behavior of pollutants and their downstream movement under various operating conditions and wind effects
- Design equipment to the right specifications for different operations and for a broad range of applications
|
- Simulate pollutant dispersion and what-if conditions for
- Pool fires
- Accidental release
- Cloud dispersion
- Evaluate different configuration under various wind directions
- Design equipment to standard specification for pressure and operational requirements
- Evaluate the structure and performance of stacks/chimneys
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|
Blast Prevention
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- Transport of combustible products and cargo
- Study accident scenarios
- Design integrity for offshore vessels and platform for both structural and safety concerns
|
- Perform dynamic system response to accident scenarios
- Evaluate structural designs and reinforcement options for sustaining blast forces
- Understand the possible root cause of accidents
- Evaluate the extent of damage for blast impact scenarios
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|
LNG Plant Site Selection Operation and Design
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- Demand for natural gas has been growing over the last decades
- Supply points are often far removed from demand centers
- Impractical to transport in gaseous form
- Large refrigeration plants built to liquefy the gas prior to shipping
- Storage tanks and regasification plants built at end use locations
- Provide efficient air cooling
- Plant and site selection
- Plant layout to optimize air intake temperature and velocity
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- The analysis and design is applicable to complex process plant used to produce LNG
- Simulation can optimize the required intake temperature margins on air cooled equipment
- Technique adds significant understanding to flow patterns and entrainment zones specifically
- Effect of wind direction on entrainment of warmer air is estimated and can be incorporated into design modification
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