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:
Jan. 27, 2015
Filed:
May. 03, 2011
Applicants:
James David Ratcliffe, Hook, GB;
Timothy Gill, Hook, GB;
Inventors:
James David Ratcliffe, Hook, GB;
Timothy Gill, Hook, GB;
Assignee:
Sondex Wireline Limited, Yately, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L 1/22 (2006.01); E21B 17/02 (2006.01); E21B 47/00 (2012.01);
U.S. Cl.
CPC ...
E21B 47/0006 (2013.01); E21B 17/023 (2013.01); G01L 1/2243 (2013.01);
Abstract
A load cell for a downhole load measuring tool is provided. The load cell comprises a plurality of strain gauges arranged in a balanced array, wherein the array of strain gauges is provided in fluid which, in use, is at substantially the same pressure as the surrounding downhole fluid.