Method and apparatus for reservoir modeling and simulation

A technology of reservoir model and equipment, applied in the field of grid generating reservoir model, can solve problems such as inability to handle, not suitable for large-scale reservoir simulation, etc.

Inactive Publication Date: 2012-07-25
EXXONMOBIL UPSTREAM RES CO
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  • Abstract
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Problems solved by technology

This meshing method cannot handle faults or complex systems with fault heights that deviate (from the perpendicular direction) as this results in unacceptable meshes with inside-out elements and vertices outside the model ...

Method used

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  • Method and apparatus for reservoir modeling and simulation
  • Method and apparatus for reservoir modeling and simulation
  • Method and apparatus for reservoir modeling and simulation

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Embodiment Construction

[0035] To the extent that the following description is directed to a specific embodiment or specific use, it is intended to be illustrative only and not to be construed as limiting the scope of the invention. On the contrary, the invention is intended to cover all alternatives, modifications and equivalents as may be included within the spirit and scope of the invention.

[0036] Some portions of the detailed description that follows are presented in terms of procedures, steps, logical blocks, processing, and other symbolic representations of operations on data bits within a memory in a computing system or computing device. These descriptions and representations are the means used by those skilled in the data processing arts to most effectively convey the substance of their work to others skilled in the art. In this detailed description, it is contemplated that the procedures, steps, logical blocks, processes, etc. are steps or instructions in a self-consistent sequence leadin...

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Abstract

A method and apparatus for generating a simulation grid for a reservoir model based on a geological model comprising horizons, constraints and multiple geological grid cells. A pre-image is generated corresponding to the geological grid cells, the pre-image comprising a surface and the modeling constraints being mapped onto the surface. A constrained two- dimensional grid is generated on the pre-image, the two-dimensional grid comprising multiple grid cells. Simulation layer boundaries are selected from the geological model and the constrained two-dimensional grid is projected onto the simulation layer boundaries. Prismatic cells are then generated to form the three-dimensional simulation grid. The method of generating a grid as herein described may be incorporated in existing reservoir simulators to improve their accuracy.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Patent Application 61 / 260,589, entitled Method and Apparatus for Reservoir Modeling and Simulation, filed November 12, 2009, the entirety of which is at This is incorporated by reference. technical field [0003] Aspects disclosed herein relate to methods and apparatus for reservoir modeling and / or reservoir simulation, particularly but not exclusively to methods and apparatus for generating grids for reservoir models. Background technique [0004] This section is intended to introduce various aspects of the art, which may be related to implementations of the disclosed technology. It is believed that this discussion helps to provide a framework for facilitating a better understanding of specific aspects of the disclosed technology. Accordingly, this section should be read in this light, and not necessarily as an admission of prior art. [0005] Over the past fe...

Claims

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Application Information

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IPC IPC(8): G06F7/48
CPCG06F7/48G01V99/00G01V99/005
Inventor L·V·布拉内斯E·卡尔塔舍夫I·克拉斯诺戈尔夫V·库比亚克X-H·吴
Owner EXXONMOBIL UPSTREAM RES CO
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