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:
Nov. 20, 1990
Filed:
Jan. 30, 1989
Applicant:
Inventors:
Joseph R Roche, Kingwood, TX (US);
Hugh L Elkins, Kingwood, TX (US);
Assignee:
Hydril Company, Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166 88 ; 166 82 ; 277 343 ;
Abstract
There are disclosed several embodiments of a flow diverter each of which includes a housing installed beneath the floor of a drilling rig on the upper end of a conductor pipe through which a well is to be drilled, a thrust plate sealably supported within a bore through the housing above a side outlet in the housing through which well fluid may be diverted, and a sealing element carried within the bore of the thrust plate for sealably engaging about a pipe string extending into the conductor pipe.