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:
Jun. 23, 2015
Filed:
Dec. 16, 2010
Applicants:
Domenico Di Renzo, Casirate d'Adda, IT;
Roberto Finotello, Venice, IT;
Inventors:
Domenico Di Renzo, Casirate d'Adda, IT;
Roberto Finotello, Venice, IT;
Assignee:
ENI S.p.A., Rome, IT;
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/01 (2012.01); E21B 23/00 (2006.01);
U.S. Cl.
CPC ...
E21B 47/01 (2013.01); E21B 23/00 (2013.01);
Abstract
An automatic modular maintenance device operating in an annulus of a well for the production of hydrocarbons, which includes a plurality of modules having a substantially cylindrical portion and connected to each other by means of articulated joints, and is configured to float in a completion fluid present in the annulus of the well.