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:
Sep. 13, 2016

Filed:

Nov. 30, 2012
Applicant:

Pgs Geophysical As, Lysaker, NO;

Inventors:

Kenneth Karlsen, Aalesund, NO;

Knut Johan Røssberg, Stord, NO;

Assignee:

PGS Geophysical AS, Oslo, NO;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V 1/38 (2006.01); G01V 1/20 (2006.01);
U.S. Cl.
CPC ...
G01V 1/38 (2013.01); G01V 1/202 (2013.01); G01V 1/3843 (2013.01);
Abstract

Disclosed are methods and systems for towing multiple source cables with spreader lines coupled to the source cables using open collars. An example system for multi-cable towing may comprise a plurality of source cables coupled to a survey vessel. The example system may further comprise a plurality of energy sources, wherein each o the energy sources is coupled to a respective one of the source cables. The example system may further comprise a plurality of spreader lines extending between the source cables. The example system may further comprise a plurality of open collars coupling the spreader lines to the source cables, wherein the open collars are slidably coupled to the source cables.


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