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. 08, 1994
Filed:
Jun. 03, 1993
Applicant:
Inventors:
Abul K Jamaluddin, Pointe-Claire, CA;
Taras W Nazarko, Calgary, CA;
Assignee:
Noranda, Inc., Toronto, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166302 ; 166272 ;
Abstract
A method of increasing the near-wellbore permeability of porous formation comprises exposing formation to an elevated temperature of 400.degree. C. or greater to cause dehydration of the clay lattices, vaporization of any blocked water, mud filtrate or other fluids, and/or destruction of the clay structure.