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:
Sep. 17, 2013
Filed:
Jun. 07, 2007
Applicant:
Paal Taraldrud, Hamresanden, NO;
Inventor:
Paal Taraldrud, Hamresanden, NO;
Assignee:
National Oilwell Norway AS, , NO;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 19/02 (2006.01); E21B 19/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drawworks device on a drill floor includes an upper pulley assembly connected to a heave-compensated or fixed mounting. In addition, the drawworks device includes a main block connected to a pipe mount. The pipe mount is laterally movable in at least one direction relative to the drilling center of the drill floor. The pulley assembly is pivotal about a horizontal first axis oriented perpendicular to the direction of lateral movement of the pipe mount.