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. 03, 2018
Filed:
Sep. 05, 2013
Applicant:
Groundmetrics, Inc., San Diego, CA (US);
Inventors:
Andrew D Hibbs, La Jolla, CA (US);
H Frank Morrison, Berkeley, CA (US);
Assignee:
GroundMetrics, Inc., San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V 3/00 (2006.01); G01V 3/26 (2006.01); G01V 3/24 (2006.01);
U.S. Cl.
CPC ...
G01V 3/26 (2013.01); G01V 3/24 (2013.01);
Abstract
A system enables a borehole casing to be used to connection with establishing electromagnetic fields within the earth at the depth of formations of interest over a significant surface area. A particular advantage is that a borehole casing can be used as an essential part of the system, without needing to open the borehole.