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. 29, 2016
Filed:
Sep. 23, 2008
Applicants:
Knud Lunde, Hundvag, NO;
Keijo Kinnari, Royneberg, NO;
Catherine Labes-carrier, Hafrsfjord, NO;
Inventors:
Assignee:
STATOIL PETROLEUM AS, Stavanger, NO;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 41/02 (2006.01); E21B 37/06 (2006.01);
U.S. Cl.
CPC ...
E21B 37/06 (2013.01); E21B 41/02 (2013.01); Y10T 29/49 (2015.01); Y10T 137/0318 (2015.04);
Abstract
An essentially cylindrical deadleg having a first cross sectional area at one end of the deadleg and a second cross sectional area, the first cross sectional area being smaller than the second cross sectional area.