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Method For Partitioning Parallel Reservoir Simulations In the Presence of Wells

  • US 20140236558A1
  • Filed: 01/31/2012
  • Published: 08/21/2014
  • Est. Priority Date: 05/17/2011
  • Status: Active Application
First Claim
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1. A computer-implemented method of partitioning a grid representing a hydrocarbon reservoir, the grid composed of a plurality of cells, the method comprising:

  • creating a connectivity graph of nodes and edges, wherein each of the plurality of cells is represented by a node, and wherein edges connect neighboring nodes;

    designating an edge that should not be cut by a partitioning algorithm;

    merging nodes connected by the designated edge into a supernode;

    replacing a first edge connecting a merged node and a non-merged node with a second edge connecting the non-merged node with the supernode; and

    using the connectivity graph with the supernode and the replaced edges to partition the grid, wherein nodes merged into supernodes are maintained in a single subdomain during partitioning.

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