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, 2013
Filed:
Sep. 24, 2012
Schlumberger Technology Corporation, Sugar Land, TX (US);
Murat Ocalan, Boston, MA (US);
Francois M. Auzerais, Boston, MA (US);
Partha Ganguly, Sugar Land, TX (US);
Agathe Robisson, Cambridge, MA (US);
Jahir Pabon, Newton, MA (US);
Schlumberger Technology Corporation, Sugar Land, TX (US);
Abstract
Apparatus and method comprising a plurality of particles which are magnetically attracted to one another in response to exposure to a magnetic field, and which maintain attraction to one another after removal of the magnetic field, the attraction being disabled when the particles are demagnetized, whereby the particles operate to alter the rheological properties of a fluid in which the particles are mixed when the attraction is enabled or disabled is disclosed.