„Killer apps‟ of Abaqus in the Offshore Industry Max Leadley-Brown Dassault Systèmes n o ita m ro fn I la itn e d ifn o C seΙ m è tsyS tlu a ssa D © 1 SIMULIA Introduction SIMULIA is the Dassault Systèmes brand for realistic no simulation ita m ro fn I la itn e d ifn • Vision: “Make simulation an integral business practice” o C seΙ m è • Mission: “Be the leading provider of simulation solutions for engineering and tsyS tlu scientific simulation” a ssa D © Provide Realistic Simulation solutions for all industries 2 Sampling of Oil & Gas Customers n o ita m ro fn I la itn e d ifn o C seΙ m è tsyS tlu a ssa D © 3 3 Abaqus FEA Advantages Industry-leading Simulation Technology Comprehensive Technology • Complete linear & nonlinear, implicit & explicit capabilities • Multiphysics analysis including thermal, thermal-stress, pore pressure-stress etc. no • Wide-range of load types including wave, buoyancy, current , and ita m ro wind loading fn I la itn e d ifno Complex materials C seΙ m è tsyS • Rubber, plastics, metals, soils, composites etc. tlu a ssa D © Sophisticated contact, fracture, and failure • Impact and dynamic events Element technology • Shells, beams, pipes, solids etc. • Special purpose elements for pipe-in-pipe and pipe-soil interactions High-performance parallel solvers 4 Abaqus FEA for Oil & Gas Industry Offshore Applications Offshore Subsea Onshore RAOs Wave loading Fixed, TLP, Spar P l a Casing and ft o Reeling n oita near field mr m Umbilicals rofnI Modelling s Subsurface la Pipe-in-pipe itn e difn Riser touch-down oC Image Courtesy: Technip seΙ VIV m è tsyS tlu Threaded a ssaD connections Suction piles © Tensioners Spud cans Welds Pipeline buckling Ice gouging Pipeline upheaval Anchor gouging Pipeline walking Trenching Pipelines Foundations Geological Modelling Reservoir Modelling 5 5 Reservoir Geomechanics Application • Determine subsidence and compaction as a function of hydrocarbon extraction Why Abaqus Unified FEA? n o ita • Coupled pore pressure-displacement m ro fnI solutions la itn e d • Element technology ifn o C seΙ • Library of soil material properties Courtesy: S. Mantica, G.Capasso & m ètsyS • Damage and failure modeling S.Monaco , eni E&P tlu a ssa • User-defined extensions D © • Materials, elements, loads, etc. • Contact • Submodeling • High performance parallel execution Benefits • Improve estimates of hydrocarbon production and avoid well bore failures 6 Hydraulic Fracture Application • Simulate effects of hydraulic fracture on hydrocarbon production Why Abaqus Unified FEA? n o • Special-purpose cohesive elements with pore ita m rofn pressure degrees of freedom to model fractured I la itn surface ed Hydraulically induced fracture near a ifn oC • Specify tangential and normal flow seΙ well bore m è • Fully coupled pore pressure-displacement tsyS tlu procedure using coupled pore pressure- a ssa displacement elements D © • Good library of material properties, together with failure modeling • User subroutines for using advanced and/or proprietary technology Benefits • Assess value of hydraulic fracture and use Potential of XFEM technology in the appropriate fracing technology future 7 Well Casings Application • Design well casings taking into account cyclic thermal loads and formation movements n o ita m Why Abaqus Unified FEA? ro fn I la itn e d ifn oC • Coupled thermal-stress analysis seΙ m è • Material models for metals and soil tsyS tlu • Fully coupled pore pressure-displacement a ssa D solutions © • User-defined extensions Benefits Courtesy: C-FER (SCC 2008) • Reduce casing failures especially for Cyclic Steam Stimulation (CSS), Steam Assisted Gravity Drainage (SAGD), and other (thermal) secondary extraction methods 8 Downhole Expandable Tubulars Maximizes contact pressure: 200% over pre-existing BR- Cone Minimizes hoop stress (greatest negative hoop stress): 202% over pre-existing BR-Cone n o ita m ro Original cone: Developed over years fn I laitn of testing ed Improved thread engagement: 25% better than BR-Cone ifn o C seΙ m è tsyS tlu a ssa Minimizes expansion force: 10% less than BR-Cone D © Recent Test Results: The Post-expanded connection held 5750 psi gas Opti-cone: Totally free of potential fracture “…we now can attack a market that no one has been able to until now: High-torque, gas-tight expanded connections.” 2010 SIMULIA Customer Conferen9ce, Jeff Williams, Baker Hughes Sand Production Application • Estimate erosion and sand production as a function of hydrocarbon production no Why Abaqus Unified FEA? ita m ro fn I la itn ed • Adaptive meshing with advection ifn o C seΙ • Solution mapping m è tsyS • User subroutines for user-defined erosion tlua criteria ssa D © • Fully coupled pore pressure-displacement solutions using coupled pore pressure- displacement elements • Element failure and deletion capabilities Benefits Erosion of material (sand production) in an oil wellbore • Determine appropriate sand control techniques with greater confidence 10
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