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:
Mar. 08, 2016
Filed:
Jan. 05, 2015
Applicant:
M-i L.l.c., Houston, TX (US);
Inventors:
Ole Iacob Prebensen, Sogne, NO;
Monica Norman, Stavanger, NO;
Anne-Marie Friestad, Sandnes, NO;
Egil Ronaes, Hundvag, NO;
Assignee:
M-I L.L.C., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/42 (2006.01); E21B 43/00 (2006.01); E21B 33/124 (2006.01); C09K 8/502 (2006.01); C09K 8/508 (2006.01); E21B 21/08 (2006.01); E21B 33/16 (2006.01); C09K 8/00 (2006.01);
U.S. Cl.
CPC ...
E21B 33/124 (2013.01); C09K 8/00 (2013.01); C09K 8/426 (2013.01); C09K 8/502 (2013.01); C09K 8/508 (2013.01); E21B 21/08 (2013.01); E21B 33/16 (2013.01); C09K 2208/02 (2013.01);
Abstract
A pill for wellbore operations, that includes a base fluid; and at least two polymers that interact to form a gelatinous structure characterized as isolating and controllably transmitting hydrostatic pressure between a first wellbore fluid above the pill in a wellbore and a second wellbore fluid below the pill in the wellbore is disclosed.