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:
Sep. 23, 1997
Filed:
Jan. 16, 1996
Applicant:
Inventors:
Peter Budde, Vlaardingen, NL;
Guus Versteeg, Poortugaal, NL;
Assignee:
Weatherford /Lamb, Inc., , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
1662428 ; 1662426 ;
Abstract
A shoe for attachment to a length of casing for use in a wellbore comprises a body portion attachable to casing, and a nose portion rotatably mounted on the body portion. A casing string with a plurality of casing sections and such a shoe.