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 7980786 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 19, 2011

Filed:

Nov. 04, 2009
Applicants:

David Trent, Cypress, TX (US);

Robert Magee Shivers, Iii, Houston, TX (US);

Charles C. Trent, San Antonio, TX (US);

Inventors:

David Trent, Cypress, TX (US);

Robert Magee Shivers, III, Houston, TX (US);

Charles C. Trent, San Antonio, TX (US);

Assignee:

ATP Oil & Gas Corporation, Houston, TX (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/01 (2006.01);
U.S. Cl.
CPC ...
Abstract

A tensioner system is described for oil and natural gas floating platforms and floating vessels having a plurality of self contained dual pressure cylinders for adjusting simultaneously low and high pressures in low pressure and high pressure channels, wherein the tensioner system is disposed on a floating structure to dampen the effects of sea waves and wind load between casing from a well and the floating structure due to movement of the sea and movement based on wind.


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