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. 28, 1994
Filed:
Dec. 02, 1992
Applicant:
Inventor:
Bruce J Watkins, Houston, TX (US);
Assignee:
Dril-Quip, Inc., Houston, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166341 ; 166344 ; 166255 ;
Abstract
Apparatus for connecting the bore through a diverter assembly with the bore through a blowout preventer stack beneath an offshore drilling rig include an upper tubular member adapted to be connected to the diverter assembly to form a lower continuation of the lower end of its bore, a lower tubular member adapted to be connected to the blowout preventer stack to form an upper continuation of the upper end of its bore, and a tubular body extending between and pivotally and sealably connected to the upper and lower tubular members to connect their bores.