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