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:
Oct. 01, 1996
Filed:
Apr. 25, 1995
Applicant:
Inventors:
Samir P Awad, Rio de Janeiro, BR;
Emmanuel F Nogueira, Rio de Janeiro, BR;
Assignee:
Petroleo Brasileiro S.A. - Petrobras, Rio de Janeiro, BR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
175-7 ; 175 10 ; 166349 ; 166365 ;
Abstract
A single drilling guide base for subsea oil wells includes two parts, namely a lower part (1) and an upper part (2), which are bolted together (at 7). The whole arrangement is provided with a seating indicator (5) connected to the lower part and holes in a funnel shaped portion of the upper part for the discharge of gravel.
Awad, Samir. (1996). Single drilling guide base for subsea oil wells (U.S. Patent No. 5560436). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5560436
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile