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. 17, 2014
Filed:
May. 16, 2011
Eirik Archer, Oslo, NO;
Per Ragnar Dahl, Jar, NO;
Ulf Lønnemo, Rasta, NO;
Kongsberg Oil and Gas Technologies AS, Asker, NO;
Abstract
An apparatus () for launching one or more pigs () for cleaning of production flow lines, or tubing, on the sea bed is shown. The apparatus includes a lifting frame () retaining a charging pipe () which is able to carry a train of pigs (-) resting stand-by in the charging pipe (), a plurality of valves (V-V) which on the one side is in fluid communication with the charging pipe (), and on the other side is in fluid communication with a high pressure drive fluid different from the production flow, a connecting means () for connecting of the apparatus () to a closable pipe sub leading to the production flow line to be pigged, and an actuatable piston () which is able to displace the train of pigs within the charging pipe ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile