„Killer Apps‟ Of Abaqus In The Offshore Industry

„Killer apps‟ of Abaqus in the Offshore Industry Dassault Systèmes Ι Confidential InformationMax Leadley-Brown Dassault Systèmes1

Dassault Systèmes Ι Confidential InformationSIMULIA IntroductionSIMULIA is the Dassault Systèmes brand for realisticsimulation Vision: “Make simulation an integral business practice” Mission: “Be the leading provider of simulation solutions for engineering andscientific simulation”Provide Realistic Simulation solutions for all industries2

Dassault Systèmes Ι Confidential InformationSampling of Oil & Gas Customers3

Abaqus FEA AdvantagesIndustry-leading Simulation Technology Dassault Systèmes Ι Confidential InformationComprehensive Technology Complete linear & nonlinear, implicit & explicit capabilities Multiphysics analysis including thermal, thermal-stress, porepressure-stress etc. Wide-range of load types including wave, buoyancy, current , andwind loadingComplex materials Rubber, plastics, metals, soils, composites etc.Sophisticated contact, fracture, and failure Impact and dynamic eventsElement technology Shells, beams, pipes, solids etc. Special purpose elements for pipe-in-pipe and pipe-soil interactionsHigh-performance parallel solvers4

Abaqus FEA for Oil & Gas IndustryCasing andnear fieldModellingPlatforms Dassault Systèmes Ι Confidential InformationOffshore ApplicationsOffshoreSubseaRAOsWave loadingFixed, TLP, SparReelingUmbilicalsPipe-in-pipeRiser surfaceImage Courtesy: TechnipPipeline bucklingPipeline upheavalPipeline walkingPipelinesGeologicalModellingReservoir ModellingOnshore5Suction pilesSpud cansIce gougingAnchor gougingTrenchingFoundations5

Reservoir GeomechanicsApplication Determine subsidence and compaction as afunction of hydrocarbon extraction Dassault Systèmes Ι Confidential InformationWhy Abaqus Unified FEA? Coupled pore pressure-displacementsolutions Element technology Library of soil material properties Damage and failure modeling User-defined extensions Materials, elements, loads, etc. Contact Submodeling High performance parallel executionBenefits Improve estimates of hydrocarbon productionand avoid well bore failures6Courtesy: S. Mantica, G.Capasso &S.Monaco , eni E&P

Hydraulic FractureApplication Simulate effects of hydraulic fracture onhydrocarbon production Dassault Systèmes Ι Confidential InformationWhy Abaqus Unified FEA? Special-purpose cohesive elements with porepressure degrees of freedom to model fracturedsurface Specify tangential and normal flow Fully coupled pore pressure-displacementprocedure using coupled pore pressuredisplacement elements Good library of material properties, together withfailure modeling User subroutines for using advanced and/orproprietary technologyHydraulically induced fracture near awell boreBenefits Assess value of hydraulic fracture and useappropriate fracing technology7Potential of XFEM technology in thefuture

Well CasingsApplication Dassault Systèmes Ι Confidential Information Design well casings taking into accountcyclic thermal loads and formationmovementsWhy Abaqus Unified FEA? Coupled thermal-stress analysis Material models for metals and soil Fully coupled pore pressure-displacementsolutions User-defined extensionsBenefits Reduce casing failures especially for CyclicSteam Stimulation (CSS), Steam AssistedGravity Drainage (SAGD), and other(thermal) secondary extraction methods8Courtesy: C-FER(SCC 2008)

Downhole Expandable Tubulars Dassault Systèmes Ι Confidential InformationMaximizes contact pressure: 200% over pre-existing BRConeMinimizes hoop stress (greatest negative hoop stress): 202%over pre-existing BR-ConeImproved thread engagement: 25% better than BR-ConeOriginal cone: Developed over yearsof testingMinimizes expansion force: 10% less than BR-ConeRecent Test Results: The Post-expanded connection held5750 psi gasOpti-cone: Totally free of potentialfracture“ we now can attack a market that no one has been able tountil now: High-torque, gas-tight expanded connections.”92010 SIMULIA Customer Conference,Jeff Williams, Baker Hughes

Sand ProductionApplication Dassault Systèmes Ι Confidential Information Estimate erosion and sand production as afunction of hydrocarbon productionWhy Abaqus Unified FEA? Adaptive meshing with advection Solution mapping User subroutines for user-defined erosioncriteria Fully coupled pore pressure-displacementsolutions using coupled pore pressuredisplacement elements Element failure and deletion capabilitiesBenefits Determine appropriate sand control techniqueswith greater confidence10Erosion of material (sand production) in an oilwellbore

Sand ControlApplication Dassault Systèmes Ι Confidential Information Design and evaluate all aspects of Expandable SandScreens (ESS ), from installation to operation in avariety of applications/reservoir conditions.Why Abaqus Unified FEA? Most advanced FEA tool for realistic simulationaccounting for all nonlinearities Geometry import from a variety of CAD tools andformats Extensive nonlinear material modeling for differenttypes of rock and soil Sophisticated and yet very easy to use “general”contact capabilities to handle even the most complexcontact conditions Abaqus/Explicit for simulating nonlinear dynamiceventsBenefitsCourtesy: Weatherford Develop enhanced and new ESS designs withsubstantial cost savings11

Coiled TubingApplication Dassault Systèmes Ι Confidential Information Helical Buckling of Coiled Tubing inDirectional Oil WellboresWhy Abaqus Unified FEA? Model actual wellbore geometry and coiledtubing/drill pipe Include all nonlinearities, such as frictionand contact Collection of analysis techniques forpredicting buckling and post-bucklingbehaviorBenefits Potentially prevent expensive consequencesof helical buckling using insights fromsimulations12Helical buckling of coiled tubing

Offshore PlatformsApplication Dassault Systèmes Ι Confidential Information Assess response of offshore platforms underdifferent loading conditionsWhy Abaqus Unified FEA? Abaqus/Aqua for wave and wind loads Beams, shells, and constraints to accuratelyrepresent the structures Implicit and explicit dynamics for differentloading conditions Thermal stress assessments to evaluate fireaccidentsBenefits Assess and improve strength, stability, andsafety of offshore structures for differentloading conditions, including accidentalimpacts13Courtesy: HortonDeepwater

UmbilicalsVertical Lay SystemApplication Dassault Systèmes Ι Confidential Information Assess effect of deepwater umbilicalinstallation process on umbilical behaviorWhy Abaqus Unified FEA? Full 3D modeling capability, includingscripting for automating model generation. Easy-to-use and yet very sophisticated“general” contact capability Combination of Abaqus/Explicit andAbaqus/Standard Element library with shells, solids, and rigidelements High performance parallel computingUmbilicalCaterpillarTracksCrush ForceFrictionalShearTransferBenefits Improve durability of deepsea umbilicalswith greater upfront confidence in designs14Axial TensionCourtesy: Technip

Composite PipelinesApplication Assess failure modes and progression of failurein composite pipelines for various loads Dassault Systèmes Ι Confidential InformationWhy Abaqus Unified FEA? Comprehensive composites simulationcapabilities Combination of Abaqus/Standard andAbaqus/Explicit for different loading andoperating conditions. Model change to simulate different conditions ofthe pipe High performance parallel solutions to minimizerun timesBenefits Develop an all-composite pipe that canwithstand the greater external hydrostaticpressures, higher internal wellhead pressures,and temperature extremes that accompanydeepwater work15Courtesy: DeepFlex

Thermal Management Dassault Systèmes Ι Confidential InformationApplication Estimate peak temperatures of umbilicalswithin a riser due to higher temperatures inproduction flowlines Estimate temperature drop in deepwaterpipelines during no-flow conditionsWhy Abaqus Unified FEA? 2D, Axisymmetric, and 3D heat transfercapabilities, including thermal contact Radiation heat transfer FSI for coupling heat transfer between fluidflow and structureBenefits Develop cost-effective cooling solution forumbilicals Develop insulation to maintain pipelineflow assurance under extreme operationalconditions & upsets16Courtesy: Technip

Threaded ConnectorsApplication Dassault Systèmes Ι Confidential Information Determine failure mechanism of ThreadedJointWhy Abaqus UnifiedFEA? Accurate contact PressureFluid pressure penetrationAxisymmetric or 3D modeling as requiredSpecialized elements axisymmetric andcylindrical elementsBenefits Improve designs and develop solutions forhigher pressure connections17

Sealing with Rubber ComponentsApplication Dassault Systèmes Ι Confidential Information Insertion analysis of a shaft sealWhy Abaqus Unified FEA? Easy and accurate modeling of contactbetween various parts Nonlinear material models for rubber-likematerials Large deformation analysis, including usingcoupled Eulerian-Lagrangian method Static or dynamic analysesBenefits Improved reliability and confidence in sealintegrity18

Subsea PipelinesApplication Assess if the expansion from thermal andinternal pressure loads will overload the PLETsor jumpers and/or will cause pipeline to buckle. Dassault Systèmes Ι Confidential InformationWhy Abaqus Unified FEA? Include complex 3D geometry of seabedprofiles in nonlinear contact analysis Nonlinear pipe-soil interaction behavior withfriction models, including option of user definedfriction models Element technology including pipes andconnector elements Option of static analysis with stabilization ordynamic analysis to capture buckling behavior Thermal effectsBenefits Improved pipeline integrity taking into accountshutdown/startup cycles Plan for buckle control measures to controlfatigue damage19Courtesy: Technip

Offshore PlatformsApplication Dassault Systèmes Ι Confidential Information Assess the integrity of spudcan foundationstaking into account installation procedureand operational loadsWhy Abaqus Unified FEA? Coupled Eulerian Lagrangian capability tocapture soil-structure interactions accurately Extensive nonlinear material modeling fordifferent types of soil. General contact to easily setup all contactinteractions. Scalable parallel performance on manycores.Benefits Improve stability of offshore structures20

Ice ScouringApplication Dassault Systèmes Ι Confidential Information Iceberg gouging of sea floor near buriedarctic oil pipelinesWhy Abaqus Unified FEA? Coupled Eulerian Lagrangian capability tocapture ice-soil-structure interactionsaccurately Extensive nonlinear material modeling fordifferent types of soil. General contact to easily setup all contactinteractions. Scalable parallel performance on manycores.Benefits Optimize required pipeline burial depth forsafe operations in the arctic ecosystem21Courtesy: JP Kenny

New Features in Abaqus Dassault Systèmes Ι Confidential InformationAbaqus Topology Optimization Module: ATOMProvides topology & shape optimizationNonlinear AnalysisAccounts for manufacturing restrictionsExport results to onremovesmaterial

New Features in Abaqus Dassault Systèmes Ι Confidential InformationSmoothed Particle HydrodynamicsMesh-free Lagrangian methodParticle connectivity is dynamicSuitable for modeling extreme deformation and fluid flowBallisticImpactFluid sloshing23

New Features in Abaqus Dassault Systèmes Ι Confidential InformationCoupled Thermal-Electrical-StructuralExtension of thermal-electrical procedure with structuralConductivity depends on separation and contact pressureCourtesy: Technip24