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:
Mar. 06, 2001
Filed:
Mar. 29, 1999
Applicant:
Inventor:
Harald Møksvold, Maura, NO;
Assignee:
Mercur Slimhole Drilling and Intervention AS, Sandes, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 3/300 ;
U.S. Cl.
CPC ...
E21B 3/300 ;
Abstract
The present invention relates to a well head system, especially in connection with high pressure wells, and in order to reduce the weight of steel involved, as well as avoiding unnecessary equipement in the well head, it is according to the present invention suggested a casing programme based on liners, having the same pressure integrity as the casing on which the well head is mounted.