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:
May. 30, 2017
Filed:
Nov. 05, 2014
Applicant:
Piezotech, Llc, Indianapolis, IN (US);
Inventor:
Gregory Pulley, Berthoud, CO (US);
Assignee:
Piezotech LLC, Indianapolis, IN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V 1/52 (2006.01); E21B 47/00 (2012.01); G01V 1/44 (2006.01);
U.S. Cl.
CPC ...
E21B 47/0005 (2013.01); G01V 1/44 (2013.01); G01V 1/52 (2013.01);
Abstract
Among other things, there are disclosed embodiments of a well-logging tool that inspects features of the down-hole environment using ultrasonic signals with a frequency in the range of 3-5 MHz. The ultrasonic signals are encoded, and their time-of-flight and amplitude provide information on features of interior surface of the casing on the order of 1 mm, and on the quality of the cement bond behind the casing.