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.
Patent No.:
Date of Patent:
Jul. 28, 2020
Filed:
Jun. 29, 2015
Applicant:
Cgg Services Sas, Massy, FR;
Inventors:
Bruno Gratacos, Subiaco, AU;
Andrew Ratcliffe, Henfield, GB;
Gilles Lambare, Saint Fargeau Ponthierry, FR;
Graham Roberts, Forest Row, GB;
Lian Duan, Crawley, GB;
Assignee:
CGG SERVICES SAS, Massy, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 1/36 (2006.01); G01V 1/28 (2006.01);
U.S. Cl.
CPC ...
G01V 1/364 (2013.01); G01V 1/282 (2013.01); G01V 2210/51 (2013.01);
Abstract
A method for processing seismic data from a subsurface using least squares migration or wave equation migration velocity analysis over a cost function comprising a function of a matching filter by iteratively updating the reflectivity model velocity model to yield an updated reflectivity model or updated velocity model that matches the observed seismic data.