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. 18, 2008
Filed:
Nov. 10, 2004
Michael Anthony Addis, Rijswijk, NL;
Chengho Abel Lee, Rijswijk, NL;
Victor Arkady Dunayevsky, Houston, TX (US);
Daniel Frederick Fehler, Houston, TX (US);
Mohamad Fereydoon Khodaverdian, The Woodlands, TX (US);
Michael Anthony Addis, Rijswijk, NL;
Chengho Abel Lee, Rijswijk, NL;
Victor Arkady Dunayevsky, Houston, TX (US);
Daniel Frederick Fehler, Houston, TX (US);
Mohamad Fereydoon Khodaverdian, The Woodlands, TX (US);
Shell Oil Company, Houston, TX (US);
Abstract
A method is provided for the reduction of inflow of rock particles from an earth formation into a wellbore for the production of hydrocarbon fluid. The method comprises creating a zone of reduced compressive stiffness around the wellbore by removing rock material from the wall of the wellbore.