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. 30, 2019
Filed:
Nov. 29, 2013
Applicant:
M-i L.l.c., Houston, TX (US);
Inventors:
Changping Sui, The Woodlands, TX (US);
Balakrishnan Panamarathupalayam, Houston, TX (US);
Hui Joyce Zhang, Sugar Land, TX (US);
William E. Foxenberg, Pearland, TX (US);
Assignee:
M-I L.L.C., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 36/00 (2006.01); C09K 8/592 (2006.01); E21B 43/24 (2006.01);
U.S. Cl.
CPC ...
C09K 8/592 (2013.01); E21B 36/003 (2013.01); E21B 36/006 (2013.01); E21B 43/24 (2013.01);
Abstract
Insulating packer fluids containing colloidal silica inorganic additives may be used in methods that reduce convective currents in a packer fluid. In other aspects, packer fluids containing colloidal silica inorganic additives may be used in methods of insulating production wells and methods for stimulating production of hydrocarbons.