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:
Jun. 08, 1982
Filed:
Feb. 11, 1980
Applicant:
Inventor:
John E Lawson, London, GB;
Assignee:
Armco Inc., Middletown, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166341 ; 166344 ; 166382 ; 285 29 ; 2851 / ; 285D / ; 285D / ;
Abstract
Method and apparatus for multiple well completion, in which a multiple string tubing hanger or like component is equipped with a gapped flange to accept dependent splines on the handling tool and on the production upper body to establish precise orientation of the production upper body.