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. 11, 2006
Filed:
Jan. 09, 2002
Applicants:
Stephen A. Hatton, Woking, GB;
Frank Lim, Bucks, GB;
Hugh Howells, Surrey, GB;
Inventors:
Assignee:
2H Offshore Engineering LTD, Woking, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 29/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of preparing and operating a subsea well (), comprising the steps of: locating a drill-through subsea tree () on a subsea wellhead; sealingly connecting a high pressure drilling riser () between the tree and a drilling platform at the sea surface; mounting a blow out preventer () at the top of the riser (); drilling the well through the drilling riser and the subsea tree; and establishing a production connection between the tree () and a production collection facility at the sea surface through a production riser () which is separate from the drilling riser ().