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公开(公告)号：EP3887873A1
公开(公告)日：2021-10-06
申请号：EP19888595.6
申请日：2019-11-27
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公开(公告)号：EP3247873A1
公开(公告)日：2017-11-29
申请号：EP15878189.8
申请日：2015-12-23
CPC分类号： G01V99/005 , G06F17/16
摘要： A method can include receiving a system of equations with associated variables that describe physical phenomena associated with a geologic formation; representing a matrix for the system of equations as a tree of blocks; classifying a portion of the blocks as being near blocks and another portion of the blocks as being far blocks; and based on the classification of the near blocks, computing a preconditioner for an iterative solver for solving the system of equations.
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公开(公告)号：EP3413098A1
公开(公告)日：2018-12-12
申请号：EP18175361.7
申请日：2018-05-31
IPC分类号： G01V99/00
CPC分类号： E21B41/0092 , E21B49/00 , G01V1/282 , G01V1/345 , G01V99/005 , G01V2210/62 , G01V2210/643 , G01V2210/663 , G06F17/5009 , G06F2217/16
摘要： A method can include receiving spatially located geophysical data of a geologic region as acquired by one or more sensors; solving a system of equations for multi-dimensional implicit function values within a multi-dimensional space that represents the geologic region where the system of equations are subject to a smoothness constraint and subject to a weighted curvature minimization criterion at a plurality of spatially located points based on the spatially located geophysical data; and rendering to a display, a structural model of the geologic region based at least in part on the multi-dimensional implicit function values where the structural model characterizes stratigraphy of the geologic region.
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公开(公告)号：EP3400546A1
公开(公告)日：2018-11-14
申请号：EP16884217.7
申请日：2016-12-29
IPC分类号： G06F17/50
CPC分类号： E21B49/00 , G01V99/005 , G01V2210/642 , G01V2210/646
摘要： A method for computing effective permeability for a discrete fracture network in a subterranean environment. The method may include : obtaining (800) attributes of the discrete fracture network, spatially sampling (810) points on the surfaces of fractures inside a computation cell; allocating (820) to each sampled point at least one attribute of the corresponding fracture, computing (850) discrete pressure values in the computation cell at the location of the sampled points by solving partial derivative equations of a flow model; computing effective permeability (860) values for the computation cell from the pressures values.
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