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.

Date of Patent:
Apr. 27, 2004

Filed:

Sep. 25, 2001
Applicant:
Inventors:

Robert Lance Cook, Katy, TX (US);

David Paul Brisco, Duncan, OK (US);

Lev Ring, Houston, TX (US);

Michael Bullock, Houston, TX (US);

Assignee:

Shell Oil Company, Houston, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 4/310 ;
U.S. Cl.
CPC ...
E21B 4/310 ;
Abstract

A wellbore casing is formed simultaneously with the drilling out of the wellbore.


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