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. 20, 1993
Filed:
Nov. 04, 1992
Applicant:
Inventors:
Robert A Lester, Houston, TX (US);
Gregory J Wilkinson, Houston, TX (US);
Assignee:
Western Atlas International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
181102 ; 367 25 ;
Abstract
An acoustic isolator for use with a logging-tool assembly for generating both flexural wavefields and compressional wavefields in the sidewall formations encountered by a borehole. The acoustic isolator is sub-flexible and is composed of a plurality of individual vertebrate links. The links are made up of a plurality of spools laid out end-to-end in tandem. The spools have upset end portions. The upset end portions of each pair of adjacent spools are externally gripped by a split shells having internal recesses that fit over the upset end portions of the spools.