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1. WO2013147875 - SYSTEM AND METHOD FOR AUTOMATIC LOCAL GRID REFINEMENT IN RESERVOIR SIMULATION SYSTEMS

Publication Number WO/2013/147875
Publication Date 03.10.2013
International Application No. PCT/US2012/031626
International Filing Date 30.03.2012
IPC
G06G 7/48 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
GANALOGUE COMPUTERS
7Devices in which the computing operation is performed by varying electric or magnetic quantities
48Analogue computers for specific processes, systems, or devices, e.g. simulators
CPC
G01V 1/30
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
28Processing seismic data, e.g. analysis, for interpretation, for correction
30Analysis
G01V 1/302
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
28Processing seismic data, e.g. analysis, for interpretation, for correction
30Analysis
301for determining seismic cross-sections or geostructures
302in 3D data cubes
G01V 2210/66
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
2210Details of seismic processing or analysis
60Analysis
66Subsurface modeling
G01V 9/005
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
9Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
005by thermal methods, e.g. after generation of heat by chemical reactions
G01V 99/005
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
99Subject matter not provided for in other groups of this subclass
005Geomodels or geomodelling, not related to particular measurements
G06F 30/20
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
30Computer-aided design [CAD]
20Design optimisation, verification or simulation
Applicants
  • LANDMARK GRAPHICS CORPORATION [US]/[US] (AllExceptUS)
  • GORELL, Sheldon [US]/[US] (UsOnly)
  • KUMAR, Amit [IN]/[US] (UsOnly)
Inventors
  • GORELL, Sheldon
  • KUMAR, Amit
Agents
  • TIDWELL, Mark
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEM AND METHOD FOR AUTOMATIC LOCAL GRID REFINEMENT IN RESERVOIR SIMULATION SYSTEMS
(FR) SYSTÈME ET PROCÉDÉ POUR LE RAFFINEMENT DE RÉSEAU LOCAL AUTOMATIQUE DANS DES SYSTÈMES DE SIMULATION DE RÉSERVOIR
Abstract
(EN)
A system and method of automatic local grid refinements in reservoir simulation systems is described. In one aspect of the disclosure, a method is directed to a computer-implemented method of modeling a formation. The method includes applying a coarse grid to a geologic formation of interest, the coarse grid having a plurality of coarse grid blocks and identifying a structure of interest disposed in the formation. Further, the method includes determining a fine grid zone around the structure based upon a time period for flow simulation of the geologic formation and a geologic characteristic of the geologic formation in a local region adjacent the structure and applying a fine grid to the coarse grid blocks encompassed by the fine grid zone.
(FR)
L'invention concerne un système et un procédé de raffinements de réseau local automatique dans des systèmes de simulation de réservoir. Dans un aspect de l'invention, un procédé fait appel à un procédé informatique de modélisation d'une formation. Le procédé consiste à appliquer un réseau grossier à une formation géologique intéressante, le réseau grossier ayant une pluralité de blocs de réseau grossier et identifiant une structure intéressante disposée dans la formation. En outre, le procédé consiste à déterminer une zone de réseau fin autour de la structure sur la base d'une période pour la simulation de flux de la formation géologique et une caractéristique géologique de la formation géologique dans une zone locale adjacente à la structure et à appliquer un réseau fin aux blocs de réseau grossier englobés dans la zone de réseau fin.
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