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. 17, 2016
Filed:
May. 21, 2012
James F. Gadberry, Danbury, CT (US);
Michael J. Engel, Mount Kisco, NY (US);
John Douglas Nowak, Yonkers, NY (US);
Jian Zhou, Danbury, CT (US);
Xiaoyu Wang, Shanghai, CN;
James F. Gadberry, Danbury, CT (US);
Michael J. Engel, Mount Kisco, NY (US);
John Douglas Nowak, Yonkers, NY (US);
Jian Zhou, Danbury, CT (US);
Xiaoyu Wang, Shanghai, CN;
AKZO NOBEL CHEMICALS INTERNATIONAL B.V., Amersfoort, NL;
Abstract
The present invention generally relates to a viscoelastic fluids, thickened acid compositions and the like and to methods of using said gelled compositions. The thickened compositions of the present invention can usefully be employed in methods of stimulating and/or modifying the permeability of underground formations, in drilling fluids, completion fluids, workover fluids, acidizing fluids, fracturing, gravel packing and the like.