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:
Apr. 24, 2012
Filed:
Jun. 17, 2009
Applicants:
Oscar Bustos, Katy, TX (US);
Syed Ali, Sugar Land, TX (US);
Chau Nguyen, Houston, TX (US);
Inventors:
Assignees:
Schlumberger Technology Corporation, Sugar Land, TX (US);
M-I L.L.C., Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/138 (2006.01); E21B 43/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of treating a subterranean formation includes pumping into a cased, perforated wellbore that intersects the formation an invert emulsion kill fluid, the invert emulsion kill fluid comprising: an oleaginous continuous phase; a non-oleaginous discontinuous phase; an emulsifier; at least one degradable material; and at least one bridging material; contacting the formation with the kill fluid; and allowing the degradable material to at least partially degrade.