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:
Apr. 21, 2015
Filed:
Nov. 10, 2008
Applicant:
Jinsong Zhao, Houston, TX (US);
Inventor:
Jinsong Zhao, Houston, TX (US);
Assignee:
Baker Hughes Incorporated, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 1/40 (2006.01); E21B 47/00 (2012.01);
U.S. Cl.
CPC ...
E21B 47/0005 (2013.01);
Abstract
Signals from an acoustic transducer used in a borehole include overlapping, ringing reflections from the casing walls, voids in the cement and the formation. By using the Hilbert transform, an envelope of the signals is determined and individual echoes are detected by using a Gauss-Laplace operator.
Zhao, Jinsong. (2015). Method and apparatus for echo-peak detection for circumferential borehole image logging (U.S. Patent No. 9013955). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9013955
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile