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:
Aug. 27, 2013
Filed:
May. 17, 2011
Applicant:
David Trent, Cypress, TX (US);
Inventor:
David Trent, Cypress, TX (US);
Assignee:
Drilling Technology Innovations, LLC, Houston, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 7/128 (2006.01);
U.S. Cl.
CPC ...
Abstract
A ram tensioner system with a deck mountable frame having an upper portion and a lower portion connected by a plurality of cylinder sleeves and at least one guide post sleeve. A guide post engages the guide post sleeves, and an individually replaceable modular cylinder is in each cylinder sleeve along with at least one individually removable seal gland that is lubricated by a hydraulic power unit, and a slidable rod engaging each of the cylinders. The slidable rods can be attached to the tension deck with a tension ring to engage a riser and provide movable tension to the riser.