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. 13, 2009
Filed:
Apr. 12, 2007
Applicant:
Per Olav Haughom, Tonstad, NO;
Inventor:
Per Olav Haughom, Tonstad, NO;
Assignee:
Seabed Rig AS, , NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drilling placed on the seabed and arranged for drilling of oil and gas wells is remote controlled from a light drilling vessel () through pipes and signal cables (). The main structure of the drilling rig is made up of two cylindrical structures (and), in connection with which there is provided a number of cylindrical silos () for storing drill pipe magazines (). A complete drilling module () can be lowered and retrieved through hatchways () at the top of the first cylindrical structureThe drilling rig is anchored to a foundation frame () by hydraulic legs (). A cylindrical skirt () encloses the BOP () to prevent pollution of the environment.