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:
Jun. 11, 2013
Filed:
Nov. 05, 2009
Applicant:
Asmund Solland, Stavanger, NO;
Inventor:
Asmund Solland, Stavanger, NO;
Assignee:
Aker Well Service AS, Stavanger, NO;
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and a device for securing a well during sluicing in of a well tool includes arranging a landing sleeve provided with a barrier valve in a well tubular downstream of a subsurface safety valve; displacing the well tool into the well tubular until a braking nose being connected to the well tool is placed in the landing sleeve; and unlocking the barrier valve by means of a key being positioned on the leading end portion of the well tool.