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:
Nov. 19, 2024

Filed:

Apr. 30, 2020
Applicant:

Z Terra Inc., Houston, TX (US);

Inventors:

Nicolay Tanushev, Houston, TX (US);

Iulian F. Musat, Katy, TX (US);

Ioan Sturzu, Houston, TX (US);

Alexander M. Popovici, Katy, TX (US);

Assignee:

Z Terra, Inc., Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 1/28 (2006.01); G01V 1/30 (2006.01); G01V 1/34 (2006.01);
U.S. Cl.
CPC ...
G01V 1/282 (2013.01); G01V 1/303 (2013.01); G01V 1/345 (2013.01);
Abstract

In some embodiments, a velocity model for a seismic exploration subsurface volume is updated by beam tomography. A set of beams is generated from an input seismic data set, and a beam group is assembled for each beam. Each beam group includes the original beam and a set of related beams (if any). If no related beams are found for a given original beam, the original beam is discarded. The beams in a group are then aligned vertically (in depth or time), and a tomography matrix is assembled from the alignment adjustment values for the beams. The tomography matrix is used to perform a tomographic update of the velocity model, and the updated velocity model is used to generate an image of the subsurface volume. The described systems/methods allow efficiently generating accurate images of subsurface volumes, including in areas having complex geologic structures, allowing reduced image inaccuracies/artifacts.


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