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.

Date of Patent:
Oct. 10, 2017

Filed:

Mar. 11, 2013
Applicant:

E.v. Offshore Limited, Norfolk, GB;

Inventors:

Jonathan Thursby, Norfolk, GB;

Shaun Peck, Norfolk, GB;

Matthew Gibson-Ford, Norwich, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/225 (2006.01); E21B 47/00 (2012.01); G03B 37/00 (2006.01); H04N 7/18 (2006.01);
U.S. Cl.
CPC ...
H04N 5/2252 (2013.01); E21B 47/0002 (2013.01); G03B 37/005 (2013.01); H04N 7/183 (2013.01);
Abstract

A camera assembly () for the inspection of passageways, particularly wellbores, and designed to operate in high temperature environments. A camera assembly for the inspection of wellbores comprises an elongate housing () having a first end () and a second end () and, extending between the ends, a side wall comprising an inner wall () and an outer wall (), with a vacuum formed between the inner and outer walls; an elongate relay lens () having a first end () and a second end (), the relay lens being located within the housing; an optically transparent window () located at the first end of the relay lens; an image sensor () located at the second end of the relay lens for capturing an image of an object viewable through the relay lens and window; and a light source () arranged to emit light from the housing, for illuminating the viewable object.


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