Partitioning algorithm for building a stratigraphic grid
AssigneeParadigm Geophysical (Luxembourg) S.A.R.L.
InventorJean-Laurent Mallet
Life of this patent
Estimating the term…
Abstract
Embodiments of the invention provide a system and method for partitioning data for modelling a geological structure including laterally partitioning the data into multiple columns, where each column may be substantially laterally centered about a dual fiber and vertically partitioning each column at each of multiple intersection points of multiple surfaces and the dual fiber about which the column may be substantially laterally centered.
Claims20
A method for partitioning a model of a geological structure, the method comprising, in a processor:
- laterally partitioning the model into a plurality of columns, wherein each column is laterally centered about a center-line;
- for each column, generating a plurality of points representing the intersection of the center-line of the column and each of a plurality of geological surfaces representing horizons and faults;
- and
- at each of the plurality of intersection points of each column, vertically partitioning the column by generating a continuous surface which approximates the orientation of the geological surface at the intersection point:
- to generate a single facet at the intersection of the continuous surface and the column;
- and
- to partition the column into a plurality of hexahedral cells, whether or not the geological surface at the intersection point represents a horizon cut by a fault.
A system for partitioning a model of a geological structure, the system comprising:
- a processor for laterally partitioning the model into a plurality of columns, wherein each column is laterally centered about one of a plurality of center-lines, for each column, generating a plurality of points representing the intersection of the center-line of the column and each of a plurality of geological surfaces representing horizons and faults, and at each of the plurality of intersection points of each column, vertically partitioning the column by generating a continuous surface which approximates the orientation of the geological surface at the intersection point:
- to generate a single facet at the intersection of the continuous surface and the column;
- and
- to partition the column into a plurality of hexahedral cells, whether or not the geological surface at the intersection point represents a horizon cut by a fault;
- and
- a display for visualizing the partitioned model.
Dependencies are inferred from the claim text.