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:
May. 30, 2017
Filed:
Jan. 27, 2012
Applicants:
Mark Sanders, Aberdeenshire, GB;
Russell Watson, Stavanger, NO;
Inventors:
Mark Sanders, Aberdeenshire, GB;
Russell Watson, Stavanger, NO;
Assignees:
M-I Drilling Fluids U.K. Ltd., Aberdeen, GB;
Schlumberger Norge, AS, Hafrsfjord, NO;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/138 (2006.01); C09K 8/42 (2006.01); C09K 8/502 (2006.01); C09K 8/516 (2006.01);
U.S. Cl.
CPC ...
C09K 8/426 (2013.01); C09K 8/502 (2013.01); C09K 8/516 (2013.01); E21B 33/138 (2013.01); C09K 2208/18 (2013.01);
Abstract
The present invention provides a method of isolating a selected reservoir zone in a subterranean reservoir comprising at least the step of squeezing a treatment fluid into the selected reservoir zone, the treatment fluid comprising: a viscosifying agent; a fluid loss control agent; and a particulate material. The invention further provides a treatment fluid comprising a base fluid; a viscosifying agent; at least 20 kg/mof a fluid loss control agent; and a particulate material.