MULTI-SCALE METHOD FOR MULTI-PHASE FLOW IN POROUS MEDIA

Title:

MULTI-SCALE METHOD FOR MULTI-PHASE FLOW IN POROUS MEDIA

Document Type and Number:

WIPO Patent Application WO/2009/140530

Kind Code:

A3

Abstract:

A multi-scale method to efficiently determine the fine-scale saturation arising from multi-phase flow in a subsurface reservoir is disclosed. The method includes providing a simulation model that includes a fine-scale grid defining a plurality of fine-scale cells, and a coarse-scale grid defining a plurality of coarse-scale cells that are aggregates of the fine-scale cells. The coarse-scale cells are partitioned into saturation regions responsive to velocity and/or saturation changes from the saturation front. A fine-scale saturation is determined for each region and the saturation regions are assembled to obtain a fine-scale saturation distribution. A visual display can be output responsive to the fine-scale saturation distribution.

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Inventors:

LEE SEONG H (US)
ZHOU HUI (US)
TCHELEPI HAMDI A (US)

Application Number:

PCT/US2009/044002

Publication Date:

June 24, 2010

Filing Date:

May 14, 2009

Export Citation:

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Assignee:

CHEVRON USA INC (US)
SCHLUMBERGER CA LTD (CA)
SCHLUMBERGER SERVICES PETROL (FR)
LOGINED BV (NL)
PRAD RESERACH AND DEV LTD
LEE SEONG H (US)
ZHOU HUI (US)
TCHELEPI HAMDI A (US)

International Classes:

G06F17/50

Domestic Patent References:

WO2007149766A2

2007-12-27

Foreign References:

US20050203725A1

2005-09-15

Other References:

JENNY P ET AL: "Adaptive fully implicit multi-scale finite-volume method for multi-phase flow and transport in heterogeneous porous media", JOURNAL OF COMPUTATIONAL PHYSICS, LONDON, GB LNKD- DOI:10.1016/J.JCP.2006.01.028, vol. 217, no. 2, 20 September 2006 (2006-09-20), pages 627 - 641, XP024947504, ISSN: 0021-9991, [retrieved on 20060920]