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. 30, 1999
Filed:
Sep. 13, 1997
Applicant:
Inventor:
Stephen A Graham, Bellaire, TX (US);
Assignee:
Natural Reserves Group, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166313 ; 166 50 ; 1661176 ; 166386 ;
Abstract
The present invention is directed to a method and apparatus for flow control in a wellbore in a well having at least one deviated wellbore drilled as an extension of the primary wellbore. More specifically, an assembly is run into the primary wellbore, aligned and anchored and a retrievable or replaceable flow control device is installed within the assembly.