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. 16, 2019
Filed:
Jun. 18, 2014
Applicant:
Weatherford Technology Holdings, Llc, Houston, TX (US);
Inventors:
Daniel Purkis, Aberdeenshire, GB;
Iain Morrison MacLeod, Aberdeenshire, GB;
Assignee:
Weatherford Technology Holdings, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/09 (2012.01); E21B 47/10 (2012.01); E21B 47/12 (2012.01); G06K 7/10 (2006.01); H01Q 1/04 (2006.01); H01Q 1/22 (2006.01);
U.S. Cl.
CPC ...
G06K 7/10336 (2013.01); E21B 47/09 (2013.01); E21B 47/0905 (2013.01); E21B 47/1015 (2013.01); E21B 47/12 (2013.01); E21B 47/122 (2013.01); E21B 47/124 (2013.01); H01Q 1/04 (2013.01); H01Q 1/2216 (2013.01);
Abstract
An antenna for use in a downhole tubular. The antenna comprises a generally cylindrical housing and a coiled conductor located within a portion of the housing and separated therefrom by insulating material. The portion of housing has a greater internal diameter than an external diameter of the coiled conductor.