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:
Oct. 21, 2014
Filed:
Jan. 09, 2008
Applicants:
Pål Søraker, Trondheim, NO;
Marcus Fathi, Trondheim, NO;
Alton Christo Liedeman, Mossel Bay, ZA;
Jan Jacobus Van Aswegan, Mossel Bay, ZA;
Rodney Bruce Buchan, Mossel Bay, ZA;
Inventors:
Pål Søraker, Trondheim, NO;
Marcus Fathi, Trondheim, NO;
Alton Christo Liedeman, Mossel Bay, ZA;
Jan Jacobus Van Aswegan, Mossel Bay, ZA;
Rodney Bruce Buchan, Mossel Bay, ZA;
Assignees:
The Pretroleum Oil and Gas Corporation of South Africa (Pty) Ltd., Parow, ZA;
StatoilHydro ASA, Stavanger, NO;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F 23/00 (2006.01); G01F 23/76 (2006.01); B01J 8/22 (2006.01); B01J 8/00 (2006.01); G01F 23/288 (2006.01); B01J 8/20 (2006.01); G01F 23/284 (2006.01); G01F 23/68 (2006.01); G01F 23/292 (2006.01);
U.S. Cl.
CPC ...
B01J 8/20 (2013.01); B01J 2219/00202 (2013.01); G01F 23/76 (2013.01); B01J 8/22 (2013.01); B01J 8/006 (2013.01); B01J 2219/00268 (2013.01); G01F 23/288 (2013.01); B01J 2219/00211 (2013.01); G01F 23/284 (2013.01); B01J 2219/00225 (2013.01); B01J 2219/0024 (2013.01); G01F 23/683 (2013.01); B01J 2208/0061 (2013.01); G01F 23/00 (2013.01); G01F 23/2921 (2013.01);
Abstract
The invention provides a method for the protection of internal filters of a LTFT slurry bubble reactor. The method includes the step of activating an emergency back-flush procedure during low slurry level conditions and/or during increasing temperature of an internal filter.