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:
Jul. 15, 1997
Filed:
Jul. 19, 1995
Applicant:
Inventor:
Rene Broeder, Culemborg, NL;
Assignee:
Heerema Group Services B.V., Leiden, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
175-5 ; 175 85 ; 166359 ;
Abstract
In a method and device for drilling for oil or gas in an underwater bed by means of a drilling rig with a drilling derrick disposed on a floating drilling platform or on an underwater bed, prior to the placing of a casing string, the placing of a riser string or the drilling of a hole, one or more parts of the casing string, the riser string or the drill string are pre-assembled on the drilling rig at one or more pre-assembly points which are in a position which is different from the position of the drilling derrick.
Quick Actions:
Broeder, Rene. (1997). Method and device for drilling for oil or gas (U.S. Patent No. 5647443). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5647443
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile