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:
Nov. 11, 2003
Filed:
Mar. 21, 2002
Applicant:
Inventors:
Jan Pieter Vijn, Leiderdorp, NL;
Bach Dao, Nieuw Vennep, NL;
Assignee:
Halliburton Energy Services, Inc., Duncan, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 3/313 ;
U.S. Cl.
CPC ...
E21B 3/313 ;
Abstract
Storable water-microsphere suspensions for use in well cements and methods of cementing well bores are provided. The storable water-microsphere suspensions are basically comprised of water, microspheres and an effective amount of a suspending agent selected from the group consisting of microfine or colloidal materials and gel forming polymers.