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:
Oct. 15, 2019
Filed:
Aug. 30, 2018
Applicant:
Vinegar Technologies, Llc, Bellaire, TX (US);
Inventor:
Harold Vinegar, Bellaire, TX (US);
Assignee:
Vinegar Technologies, LLC, Bellaire, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/165 (2006.01); G01V 3/02 (2006.01); G01V 3/40 (2006.01); G01V 3/08 (2006.01);
U.S. Cl.
CPC ...
G01V 3/165 (2013.01); G01V 3/02 (2013.01); G01V 3/081 (2013.01); G01V 3/40 (2013.01);
Abstract
A method and system for detecting a subsurface tunnel includes propelling an instrumented pipeline pig through a horizontal detection conduit, acquiring and analyzing magnetometer measurements and VLF EM resistivity measurements to detect distortions and/or anomalies in the Earth's magnetic field and/or VLF electromagnetic field, respectively, and correlating the data with position data of the pipeline pig to compute a parameter of a tunnel such as, for example, location, size and depth.