Method for simplifying the modeling of a geological porous medium crossed by an irregular network of fractures
US6064944A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1997 |
| Grant date | May 16, 2000 |
| Priority date | — |
| Expiry date | Dec 30, 2017 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B49/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method of exploring a heterogeneous geological porous original medium, such as a reservoir crossed by an irregular network of fractures, by means of a transposed medium be equivalent to the original medium with respect to a determined type of physical transfer function known for the original medium. The method includes (a) analyzing the original medium to acquire data as to its physical characteristics; (b) forming an image of at least two dimensions of the original medium as an array of pixels, based on the acquired data; (c) associating with each pixel of the array an initial value for the physical transfer function, (d) assigning values for the physical transfer function at each pixel of the array, such as the minimum distance separating the pixel from the nearest fracture, by reference to values of the function assigned to neighboring pixels of the image, (e) determining a physical property of the transposed or equivalent medium by identifying a volume portion of the equivalent medium based on the physical transfer function for the corresponding volume portion of the original medium, and (f) physically exploring the original reservoir based on the determined physical property…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.