ATE529810T1 - Lösungsverfahren und vorrichtung für simulation von schichtformationen in grossem massstab - Google Patents

Lösungsverfahren und vorrichtung für simulation von schichtformationen in grossem massstab

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Publication number
ATE529810T1
ATE529810T1 AT06808948T AT06808948T ATE529810T1 AT E529810 T1 ATE529810 T1 AT E529810T1 AT 06808948 T AT06808948 T AT 06808948T AT 06808948 T AT06808948 T AT 06808948T AT E529810 T1 ATE529810 T1 AT E529810T1
Authority
AT
Austria
Prior art keywords
grid
layered
unstructured
layer
scale simulation
Prior art date
Application number
AT06808948T
Other languages
English (en)
Inventor
Larry Fung
Tareq Al-Shaalan
Original Assignee
Saudi Arabian Oil Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saudi Arabian Oil Co filed Critical Saudi Arabian Oil Co
Application granted granted Critical
Publication of ATE529810T1 publication Critical patent/ATE529810T1/de

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/20—Design optimisation, verification or simulation
    • G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2111/00—Details relating to CAD techniques
    • G06F2111/10—Numerical modelling

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Theoretical Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Evolutionary Computation (AREA)
  • Fluid Mechanics (AREA)
  • Geometry (AREA)
  • Computer Hardware Design (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Complex Calculations (AREA)
AT06808948T 2005-04-14 2006-04-13 Lösungsverfahren und vorrichtung für simulation von schichtformationen in grossem massstab ATE529810T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/106,300 US7596480B2 (en) 2005-04-14 2005-04-14 Solution method and apparatus for large-scale simulation of layered formations
PCT/IB2006/002765 WO2007007210A2 (en) 2005-04-14 2006-04-13 Solution method and apparatus for large-scale simulation of layered formations

Publications (1)

Publication Number Publication Date
ATE529810T1 true ATE529810T1 (de) 2011-11-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
AT06808948T ATE529810T1 (de) 2005-04-14 2006-04-13 Lösungsverfahren und vorrichtung für simulation von schichtformationen in grossem massstab

Country Status (8)

Country Link
US (1) US7596480B2 (de)
EP (1) EP1869579B1 (de)
AT (1) ATE529810T1 (de)
AU (1) AU2006267927B2 (de)
BR (1) BRPI0609073B1 (de)
CA (1) CA2604713C (de)
NO (1) NO339000B1 (de)
WO (1) WO2007007210A2 (de)

Families Citing this family (97)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7516056B2 (en) * 2005-04-26 2009-04-07 Schlumberger Technology Corporation Apparatus, method and system for improved reservoir simulation using a multiplicative overlapping Schwarz preconditioning for adaptive implicit linear systems
CA2612093C (en) * 2005-06-14 2014-03-11 Schlumberger Canada Limited Apparatus, method and system for improved reservoir simulation using an algebraic cascading class linear solver
US20070279429A1 (en) * 2006-06-02 2007-12-06 Leonhard Ganzer System and method for rendering graphics
US8711146B1 (en) * 2006-11-29 2014-04-29 Carnegie Mellon University Method and apparatuses for solving weighted planar graphs
US7565278B2 (en) * 2006-12-04 2009-07-21 Chevron U.S.A. Inc. Method, system and apparatus for simulating fluid flow in a fractured reservoir utilizing a combination of discrete fracture networks and homogenization of small fractures
CA2686714C (en) * 2007-06-01 2016-11-01 Exxonmobil Upstream Research Company Generation of constrained voronoi grid in a plane
GB2455077A (en) * 2007-11-27 2009-06-03 Polyhedron Software Ltd Estimating the state of a physical system using generalized nested factorisation
CN101896690B (zh) 2007-12-13 2015-02-18 埃克森美孚上游研究公司 使用非结构化网格的储层模拟上的并行自适应数据分区
AU2008338833B2 (en) * 2007-12-18 2013-08-29 Exxonmobil Upstream Research Company Determining connectivity architecture in 2-D and 3-D heterogeneous data
CA2705340C (en) 2007-12-21 2016-09-27 Exxonmobil Upstream Research Company Method and apparatus for analyzing three-dimensional data
US20110087471A1 (en) * 2007-12-31 2011-04-14 Exxonmobil Upstream Research Company Methods and Systems For Determining Near-Wellbore Characteristics and Reservoir Properties
US8437997B2 (en) 2008-01-22 2013-05-07 Exxonmobil Upstream Research Company Dynamic connectivity analysis
EP2252903A4 (de) 2008-03-10 2018-01-03 Exxonmobil Upstream Research Company Verfahren zur bestimmung verschiedener alternativer pfade zwischen zwei objektsätzen in heterogenen 2d- und 3d-daten
US8190414B2 (en) * 2008-03-26 2012-05-29 Exxonmobil Upstream Research Company Modeling of hydrocarbon reservoirs containing subsurface features
US8175853B2 (en) * 2008-03-28 2012-05-08 International Business Machines Corporation Systems and methods for a combined matrix-vector and matrix transpose vector multiply for a block-sparse matrix
CA2717514C (en) 2008-05-05 2016-07-26 Exxonmobil Upstream Research Company Systems and methods for connectivity analysis using functional objects
FR2933220B1 (fr) * 2008-06-27 2010-06-18 Inst Francais Du Petrole Methode pour construire un maillage hybride a partir d'un maillage de type cpg
BRPI0914102A2 (pt) * 2008-07-03 2015-10-20 Chevron Usa Inc método de volume finito de multiescalas e sistemas para uso simular um modelo geológico de escala fina de um reservatório de subsuperfície
US8302076B2 (en) * 2008-11-12 2012-10-30 Landmark Graphics Corporation Systems and methods for improved parallel ILU factorization in distributed sparse linear systems
US8352228B2 (en) * 2008-12-23 2013-01-08 Exxonmobil Upstream Research Company Method for predicting petroleum expulsion
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AU2009341850A1 (en) 2009-03-13 2011-09-29 Exxonmobil Upstream Research Company Method for predicting fluid flow
CA2774181A1 (en) 2009-10-20 2011-04-28 Exxonmobil Upstream Research Company Method for quantitatively assessing connectivity for well pairs at varying frequencies
US8429671B2 (en) * 2009-10-21 2013-04-23 Exxonmobil Upstream Research Company Integrated workflow builder for disparate computer programs
AU2010315455B2 (en) * 2009-10-28 2015-01-29 Chevron U.S.A. Inc. Multiscale Finite Volume method for reservoir simulation
EP2499567A4 (de) 2009-11-12 2017-09-06 Exxonmobil Upstream Research Company Verfahren und vorrichtung zur reservoirmodellierung und -simulation
CA2776764A1 (en) 2009-11-30 2011-06-03 Exxonmobil Upstream Research Company Adaptive newton's method for reservoir simulation
BR112012017278A2 (pt) 2010-02-12 2016-04-26 Exxonmobil Upstream Res Co método e sistema para criar modelos de simulação de ajuste de histórico
CN102741855B (zh) * 2010-02-12 2016-10-26 埃克森美孚上游研究公司 用于将并行模拟模型分区的方法和系统
US9134454B2 (en) 2010-04-30 2015-09-15 Exxonmobil Upstream Research Company Method and system for finite volume simulation of flow
CA2803144C (en) * 2010-06-22 2014-04-29 Saudi Arabian Oil Company Machine, program product, and computer-implemented method to simulate reservoirs as 2.5d unstructured grids
US8463586B2 (en) 2010-06-22 2013-06-11 Saudi Arabian Oil Company Machine, program product, and computer-implemented method to simulate reservoirs as 2.5D unstructured grids
CA2801382C (en) 2010-06-29 2018-12-18 Exxonmobil Upstream Research Company Method and system for parallel simulation models
US8359185B2 (en) 2010-06-30 2013-01-22 Saudi Arabian Oil Company Reservoir simulation of giant subsurface reservoirs with accelerated phase equilibrium determination
US9418180B2 (en) 2010-07-26 2016-08-16 Exxonmobil Upstream Research Company Method and system for parallel multilevel simulation
CA2803066A1 (en) 2010-07-29 2012-02-02 Exxonmobil Upstream Research Company Methods and systems for machine-learning based simulation of flow
WO2012015518A2 (en) 2010-07-29 2012-02-02 Exxonmobil Upstream Research Company Methods and systems for machine-learning based simulation of flow
EP2599031A4 (de) 2010-07-29 2014-01-08 Exxonmobil Upstream Res Co Verfahren und systeme für eine auf maschinenlernen beruhende flusssimulation
EP2599032A4 (de) 2010-07-29 2018-01-17 Exxonmobil Upstream Research Company Verfahren und system zur reservoirmodellierung
US8386227B2 (en) 2010-09-07 2013-02-26 Saudi Arabian Oil Company Machine, computer program product and method to generate unstructured grids and carry out parallel reservoir simulation
EP2614460B1 (de) * 2010-09-07 2014-07-09 Saudi Arabian Oil Company Maschine, computerprogrammprodukt und verfahren zur erzeugung unstrukturierter gitter und ausführung von paralleler reservoirsimulation
US8433551B2 (en) 2010-11-29 2013-04-30 Saudi Arabian Oil Company Machine, computer program product and method to carry out parallel reservoir simulation
US9063882B1 (en) * 2010-09-09 2015-06-23 Sas Ip, Inc. Matrix preconditioners for simulations of physical fields
CA2807300C (en) 2010-09-20 2017-01-03 Exxonmobil Upstream Research Company Flexible and adaptive formulations for complex reservoir simulations
US9626466B2 (en) 2010-11-23 2017-04-18 Exxonmobil Upstream Research Company Variable discretization method for flow simulation on complex geological models
WO2012082586A1 (en) * 2010-12-13 2012-06-21 Chevron U.S.A. Inc. Improved constrained pressure residual preconditioner for efficient solution of the adjoint equation
CA2821482C (en) * 2010-12-16 2017-02-28 Landmark Graphics Corporation Systems and methods for two-dimensional domain decomposition during parallel reservoir simulation
EP2659424A4 (de) 2010-12-30 2018-05-23 Exxonmobil Upstream Research Company Systeme und verfahren für unterirdische reservoirsimulation
US8583411B2 (en) 2011-01-10 2013-11-12 Saudi Arabian Oil Company Scalable simulation of multiphase flow in a fractured subterranean reservoir as multiple interacting continua
US8437999B2 (en) 2011-02-08 2013-05-07 Saudi Arabian Oil Company Seismic-scale reservoir simulation of giant subsurface reservoirs using GPU-accelerated linear equation systems
US9164191B2 (en) 2011-02-09 2015-10-20 Saudi Arabian Oil Company Sequential fully implicit well model for reservoir simulation
US10113400B2 (en) 2011-02-09 2018-10-30 Saudi Arabian Oil Company Sequential fully implicit well model with tridiagonal matrix structure for reservoir simulation
US10175386B2 (en) 2011-02-09 2019-01-08 Saudi Arabian Oil Company Sequential fully implicit well model with tridiagonal matrix structure for reservoir simulation
CA2824783C (en) * 2011-02-24 2023-04-25 Chevron U.S.A. Inc. System and method for performing reservoir simulation using preconditioning
AU2011365452A1 (en) 2011-04-14 2013-11-07 Exxonmobil Upstream Research Company Method for preparing petroleum based sample for analysis of elemental and isotopic species
WO2012158218A1 (en) * 2011-05-17 2012-11-22 Exxonmobil Upstream Research Company Method for partitioning parallel reservoir simulations in the presence of wells
WO2013039606A1 (en) 2011-09-15 2013-03-21 Exxonmobil Upstream Research Company Optimized matrix and vector operations in instruction limited algorithms that perform eos calculations
EP2766746B1 (de) 2011-10-11 2017-08-30 Saudi Arabian Oil Company Hochleistungs- und grid-computing mit qos-kontrolle
US9429677B2 (en) 2011-10-11 2016-08-30 Saudi Arabian Oil Company High performance and grid computing with fault tolerant data distributors quality of service
US9482769B2 (en) 2011-10-11 2016-11-01 Saudi Arabian Oil Company High performance and grid computing with partitioning quality of service control
US9674033B2 (en) 2011-10-11 2017-06-06 Saudi Arabian Oil Company High performance and grid computing with liveliness and deadlines fault tolerant data distributor quality of service
EP2776667B1 (de) 2011-11-11 2022-03-02 ExxonMobil Upstream Research Company Verfahren und system zur reservoirüberwachung unter verwendung von daten verklumpter isotope und edelgase
EP2776866B1 (de) 2011-11-11 2020-06-17 Exxonmobil Upstream Research Company Verfahren zur bestimmung der position, grösse und flüssigzusammensetzung einer unterirdischen kohlenwasserstoffakkumulation
US9378311B2 (en) 2012-02-09 2016-06-28 Saudi Arabian Oil Company Multi-level solution of large-scale linear systems in simulation of porous media in giant reservoirs
US9208268B2 (en) 2012-02-14 2015-12-08 Saudi Arabian Oil Company Giga-cell linear solver method and apparatus for massive parallel reservoir simulation
WO2013148021A1 (en) 2012-03-28 2013-10-03 Exxonmobil Upstream Research Company Method for mutiphase flow upscaling
AU2012381107B2 (en) * 2012-05-30 2015-09-10 Landmark Graphics Corporation Oil or gas production using computer simulation of oil or gas fields and production facilities
EP2901363A4 (de) 2012-09-28 2016-06-01 Exxonmobil Upstream Res Co Fehlerentfernung bei geologischen modellen
US10591638B2 (en) 2013-03-06 2020-03-17 Exxonmobil Upstream Research Company Inversion of geophysical data on computer system having parallel processors
GB2512372B (en) * 2013-03-28 2020-07-29 Total Sa Method of modelling a subsurface volume
US9667330B2 (en) 2013-11-17 2017-05-30 RF DSP Inc. Massive MIMO multi-user beamforming and single channel full duplex for wireless networks
WO2015095844A1 (en) 2013-12-20 2015-06-25 Ping Liang Adaptive precoding in a mimo wireless communication system
US9692577B2 (en) 2013-12-20 2017-06-27 RF DSP Inc. Method for acquiring channel state information in FDD MIMO wireless networks
EP3114505B1 (de) 2014-03-07 2022-07-20 ExxonMobil Upstream Research Company Explorationsverfahren und system für den nachweis von kohlenwasserstoffen aus der wassersäule
US9810052B2 (en) 2014-07-14 2017-11-07 Saudi Arabian Oil Company Multilateral wells placement via transshipment approach
US10341043B2 (en) * 2014-09-27 2019-07-02 RF DSP Inc. Methods for multi-user MIMO wireless communication using approximation of zero-forcing beamforming matrix
EP3213126A1 (de) 2014-10-31 2017-09-06 Exxonmobil Upstream Research Company Handhabung von domänendiskontinuität in einem unterirdischen gittermodell mithilfe von gitteroptimierungstechniken
AU2015339883B2 (en) 2014-10-31 2018-03-29 Exxonmobil Upstream Research Company Methods to handle discontinuity in constructing design space for faulted subsurface model using moving least squares
CA2976457A1 (en) * 2015-02-13 2016-08-18 Exxonmobil Upstream Resarch Company Method and system to enhance computations for a physical system
US10242136B2 (en) 2015-05-20 2019-03-26 Saudi Arabian Oil Company Parallel solution for fully-coupled fully-implicit wellbore modeling in reservoir simulation
CN105260175B (zh) * 2015-09-16 2019-01-25 浪潮(北京)电子信息产业有限公司 基于OpenMP的天文学软件Gridding的处理方法
US10571605B2 (en) 2016-03-28 2020-02-25 Exxonmobil Upstream Research Company Method and system for modeling and simulating a fractured reservoir
US10329905B2 (en) 2016-04-07 2019-06-25 Baker Hughes, A Ge Company, Llc Method to estimate the influence of pore-size distribution on phase equilibrium of multi-component hydrocarbon systems in unconventional shale gas and oil reservoirs
US10846447B2 (en) 2016-04-29 2020-11-24 Exxonmobil Upstream Research Company Method and system for stacking fracture prediction
US10712472B2 (en) 2016-04-29 2020-07-14 Exxonmobil Upstresm Research Company Method and system for forming and using a subsurface model in hydrocarbon operations
US10572611B2 (en) 2016-04-29 2020-02-25 Exxonmobil Upstream Research Company Method and system for characterizing fractures in a subsurface region
WO2018009396A1 (en) 2016-07-05 2018-01-11 Saudi Arabian Oil Company High performance and grid computing with liveliness and deadlines fault tolerant data distributor quality of service
WO2018101913A1 (en) 2016-11-29 2018-06-07 Halliburton Energy Services, Inc. Variable elimination to improve solver efficiency
CA3043231C (en) 2016-12-23 2022-06-14 Exxonmobil Upstream Research Company Method and system for stable and efficient reservoir simulation using stability proxies
US10570706B2 (en) 2017-06-23 2020-02-25 Saudi Arabian Oil Company Parallel-processing of invasion percolation for large-scale, high-resolution simulation of secondary hydrocarbon migration
US10913901B2 (en) 2017-09-12 2021-02-09 Saudi Arabian Oil Company Integrated process for mesophase pitch and petrochemical production
US11126762B2 (en) 2018-02-28 2021-09-21 Saudi Arabian Oil Company Locating new hydrocarbon fields and predicting reservoir performance from hydrocarbon migration
CN109902412B (zh) * 2019-03-07 2023-02-17 南方科技大学 地下水流数值的预测方法、装置、服务器和存储介质
CN110984979B (zh) * 2020-01-06 2023-03-14 中国石油化工股份有限公司 针对角度不整合油藏建模数模的网格设计方法
US11353622B2 (en) 2020-01-06 2022-06-07 Saudi Arabian Oil Company Systems and methods for hydrocarbon reservoir three dimensional unstructured grid generation and development
CN111914448B (zh) * 2020-07-16 2023-06-09 青岛海洋地质研究所 基于控制体有限元方法的流固耦合数值模拟方法
CN114385972B (zh) * 2021-12-20 2023-09-01 北京科技大学 一种直接求解结构化三角稀疏线性方程组的并行计算方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5321612A (en) 1991-02-26 1994-06-14 Swift Energy Company Method for exploring for hydrocarbons utilizing three dimensional modeling of thermal anomalies
US5710726A (en) 1995-10-10 1998-01-20 Atlantic Richfield Company Semi-compositional simulation of hydrocarbon reservoirs
US5809458A (en) * 1996-09-05 1998-09-15 Western Atlas International, Inc. Method of simulating the response of a through-casing electrical resistivity well logging instrument and its application to determining resistivity of earth formations
US6002985A (en) 1997-05-06 1999-12-14 Halliburton Energy Services, Inc. Method of controlling development of an oil or gas reservoir
US6282452B1 (en) 1998-11-19 2001-08-28 Intelligent Inspection Corporation Apparatus and method for well management
US6662146B1 (en) * 1998-11-25 2003-12-09 Landmark Graphics Corporation Methods for performing reservoir simulation
US6826520B1 (en) 1999-06-24 2004-11-30 Exxonmobil Upstream Research Company Method of upscaling permeability for unstructured grids
US7006959B1 (en) 1999-10-12 2006-02-28 Exxonmobil Upstream Research Company Method and system for simulating a hydrocarbon-bearing formation
US6928399B1 (en) 1999-12-03 2005-08-09 Exxonmobil Upstream Research Company Method and program for simulating a physical system using object-oriented programming
FR2802324B1 (fr) 1999-12-10 2004-07-23 Inst Francais Du Petrole Methode pour generer un maillage sur une formation heterogene traversee par une ou plusieurs discontinuites geometriques dans le but de realiser des simulations
US6980940B1 (en) 2000-02-22 2005-12-27 Schlumberger Technology Corp. Intergrated reservoir optimization
US20020049575A1 (en) 2000-09-28 2002-04-25 Younes Jalali Well planning and design
US20020177986A1 (en) 2001-01-17 2002-11-28 Moeckel George P. Simulation method and system using component-phase transformations
ATE310890T1 (de) 2001-04-24 2005-12-15 Exxonmobil Upstream Res Co Verfahren zur verbesserung von produktionszuweisung in einem integrierten reservoir und oberflächenströmungssystem
JP2003031650A (ja) * 2001-07-13 2003-01-31 Toshiba Corp 半導体装置の製造方法
AU2003234669A1 (en) 2002-05-31 2003-12-19 Schlumberger Technology Corporation Method and apparatus for effective well and reservoir evaluation without the need for well pressure history
US7627461B2 (en) 2004-05-25 2009-12-01 Chevron U.S.A. Inc. Method for field scale production optimization by enhancing the allocation of well flow rates
US7526418B2 (en) 2004-08-12 2009-04-28 Saudi Arabian Oil Company Highly-parallel, implicit compositional reservoir simulator for multi-million-cell models

Also Published As

Publication number Publication date
CA2604713C (en) 2012-06-19
US20060235667A1 (en) 2006-10-19
EP1869579A2 (de) 2007-12-26
EP1869579A4 (de) 2010-08-18
WO2007007210A2 (en) 2007-01-18
NO20074589L (no) 2007-11-13
NO339000B1 (no) 2016-11-07
AU2006267927A1 (en) 2007-01-18
BRPI0609073B1 (pt) 2018-04-10
BRPI0609073A2 (pt) 2010-02-17
CA2604713A1 (en) 2007-01-18
AU2006267927B2 (en) 2011-04-21
EP1869579B1 (de) 2011-10-19
WO2007007210A3 (en) 2007-07-05
US7596480B2 (en) 2009-09-29

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