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:
Aug. 19, 1986
Filed:
Jan. 28, 1985
Applicant:
Inventor:
Edward T Wood, Kingwood, TX (US);
Assignee:
Completion Tool Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166187 ; 277 34 ;
Abstract
An inflatable packer with a supporting mandrel having intermittent coatings of grit-like materials bonded to the mandrel to provide a frictional contact surface for an inflatable rubber sleeve with intermittent bare portions thereby to permit use of a cement bond logging tool, the spacings of the coatings being functionally related to the transmitter/receiver spacing of a cement bond logging tool.