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:
Dec. 12, 2006
Filed:
May. 09, 2003
Diankui Fu, Missouri City, TX (US);
Yiyan Chen, Richmond, TX (US);
Zhijun Xiao, Kuala Lumpur, MY;
Mathew Samuel, Al-Khobar, SA;
Sylvie Daniel, Jouy en Josas, FR;
Diankui Fu, Missouri City, TX (US);
Yiyan Chen, Richmond, TX (US);
Zhijun Xiao, Kuala Lumpur, MY;
Mathew Samuel, Al-Khobar, SA;
Sylvie Daniel, Jouy en Josas, FR;
Schlumberger Technology Corporation, Sugar Land, TX (US);
Abstract
A viscous aqueous high density well treatment fluid composition stable at high temperature containing a surfactant and inorganic salts is described. Methods of preparing the fluid and increasing the stability and viscosity of the fluid are given. The fluid is useful for wellbore cleanout, hydraulic fracturing, gravel packing, completion, acid diversion, lost circulation reduction, well killing, cementing, selective water shutoff, and fracture fluid diversion.