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:
Jul. 02, 2019
Filed:
Nov. 25, 2013
Applicant:
M-i L.l.c., Houston, TX (US);
Inventors:
Balakrishnan Panamarathupalayam, Houston, TX (US);
Changping Sui, The Woodlands, 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); E21B 43/24 (2006.01); C09K 8/82 (2006.01); C09K 8/42 (2006.01); C09K 8/50 (2006.01); C09K 8/34 (2006.01); C09K 8/502 (2006.01); C04B 26/04 (2006.01); C09K 8/44 (2006.01);
U.S. Cl.
CPC ...
E21B 36/003 (2013.01); C04B 26/04 (2013.01); C09K 8/34 (2013.01); C09K 8/42 (2013.01); C09K 8/44 (2013.01); C09K 8/50 (2013.01); C09K 8/502 (2013.01); C09K 8/82 (2013.01); E21B 43/24 (2013.01);
Abstract
An insulating packer fluid including an oleaginous fluid and a styrenic thermoplastic block copolymer and methods of preparing the packer fluid are provided. Also provided are methods of using the insulating packer fluid that include pumping an insulating packer fluid into an annulus formed between two concentric strings of pipe extending into a wellbore.