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.

Date of Patent:
May. 16, 2017

Filed:

May. 31, 2016
Applicant:

Weatherford Technology Holdings, Llc, Houston, TX (US);

Inventors:

David E. Mouton, Missouri City, TX (US);

Michael Hayes, Houston, TX (US);

Karsten Heidecke, Houston, TX (US);

David J. Havens, Houston, TX (US);

Raleigh Fisher, Houston, TX (US);

Jim Hollingsworth, Cypress, TX (US);

Doyle Fredric Boutwell, Jr., Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/07 (2006.01); E21B 19/09 (2006.01); E21B 41/08 (2006.01); E21B 41/00 (2006.01);
U.S. Cl.
CPC ...
E21B 41/08 (2013.01); E21B 17/07 (2013.01); E21B 19/09 (2013.01); E21B 41/0014 (2013.01);
Abstract

Apparatus and methods for compensating a landing string due to movement of a floating rig platform are provided. In one aspect, a compensation system for use with a landing string is provided. The compensation system includes a slip joint member attachable to the landing string, the slip joint member having an upper portion and a lower portion. The compensation system further includes a first lock assembly configured to connect the upper portion of the slip joint member to a floating rig. Additionally, the compensation system includes a second lock assembly configured to connect the lower portion of the slip joint member to a riser disposed below the floating rig. In another aspect, a method for compensating a landing string due to movement of a floating rig is provided.


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