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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.:

US 9567814 B1

PDFFull Text
Date of Patent:
Feb. 14, 2017

Filed:

Jun. 13, 2014

Hoisting systems with heave compensation

Applicant:

Cameron Sense As, Kristiansand, NO;

Inventors:

Erling Tambs, Kristiansand, NO;

Harald Langenes, Sønge, NO;

Håkon F. Bergan, Kristiansand, NO;

Bård H. Kaasin, Gvarv, NO;

Assignee:

Cameron Sense AS, Kristiansan D, NO;

Attorney:

Eubanks PLLC

Primary Examiner:

Matthew R Buck

Assistant Examiner:

Douglas S Wood

Int. Cl.
CPC ...
E21B 19/09 (2006.01); E21B 19/04 (2006.01); E21B 19/00 (2006.01); B66D 1/60 (2006.01); B66D 1/50 (2006.01); B66D 1/52 (2006.01);
U.S. Cl.
CPC ...
E21B 19/006 (2013.01); B66D 1/50 (2013.01); B66D 1/52 (2013.01); E21B 19/09 (2013.01);
Abstract

Various hoisting systems with heave compensation are provided. In one embodiment, an apparatus includes a hoisting system having a crown block and a drawworks. The drawworks includes a rotatable drum for reeling in and reeling out a hoisting line that is wound on the rotatable drum and reeved over the crown block. The hoisting system includes active heave control at the drawworks and a passive heave compensation system. Additional systems, devices, and methods are also disclosed.

Find Patent Forward Citations

Tambs, Erling. (2017). Hoisting systems with heave compensation (U.S. Patent No. 9567814). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9567814

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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