The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 24, 2016

Filed:

Jul. 29, 2013
Applicant:

Pgs Geophysical As, Lysaker, NO;

Inventors:

Mattias Enstedt, Uppsala, SE;

Joel Skogman, Jarfalla, SE;

Leif Abrahamsson, Uppsala, SE;

Assignee:

PGS Geophysical AS, Oslo, NO;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06G 7/48 (2006.01); G01V 99/00 (2009.01); G01V 3/12 (2006.01); E21B 43/20 (2006.01); G01V 7/00 (2006.01);
U.S. Cl.
CPC ...
G01V 99/005 (2013.01); E21B 43/20 (2013.01); G01V 3/12 (2013.01); G01V 7/00 (2013.01);
Abstract

Techniques are disclosed relating to forward and inverse modeling of geophysical formations using interpolation. In one embodiment, a method includes generating a system of equations based on a background model that describes a geophysical formation. In this embodiment, the method also includes generating a first set of solutions for the system of equations using an initial set of base points from geophysical survey data obtained from the geophysical formation and interpolating, using the first set of solutions, to produce a set of solution approximations for a second set of data points from the geophysical survey data. In this embodiment, the method also includes generating a model of the geophysical formation, using the second set of data points and the set of solution approximations, where the model includes a second set of solutions for the system of equations.


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