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:
Jan. 06, 2004
Filed:
Jun. 20, 2002
Applicant:
Inventors:
Daniel A. Marroquin, Houston, TX (US);
Flavio Nisenbaum, Houston, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 2/912 ;
U.S. Cl.
CPC ...
E21B 2/912 ;
Abstract
A subsea well apparatus includes a wellhead member body adapted to be lowered into and latched within the bore of a conductor by split locking and ratchet rings carried by the body. The locking ring includes locking teeth engageable with locking grooves in the bore, and the ratchet ring includes ratchet teeth engageable with ratchet grooves within the locking ring. Upper and lower coaxial downwardly and inwardly extending wedge surfaces are tightly engaged as the body is latched within the conductor.