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:
Sep. 24, 2002
Filed:
May. 31, 2000
Applicant:
Inventors:
Assignee:
Oceaneering International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B 9/04 ;
U.S. Cl.
CPC ...
B08B 9/04 ;
Abstract
A pig launching system and a pig receiving system for use in cleaning a subsea flowline. This invention further relates to a method of propelling a pig through a flowline using a pressurized accumulator, a method of assembling a subsea pig receiver in a flowline using a remotely operated vehicle, and a method of collecting a sample from a subsea flowline, using an accumulator connected to a pig launcher.