Title:
RAM BOP SHEAR DEVICE
Document Type and Number:
WIPO Patent Application WO/2009/002618
Kind Code:
A3
Abstract:
A ram-type blowout preventer includes a first ram block having a first shearing element and a first sealing element, a second ram block opposing the first ram block and having a second shearing element and a second sealing element, a load intensifying member coupled to the first ram block, wherein the load intensifying member is a stiff cantilever beam, a receptacle of the second ram block to receive the load intensifying member when the first ram block and the second ram block close together, and shims between a top surface of the load intensifying member and a top surface of the receptacle. The load intensifying member is configured to apply a spring force when the load intensifying member is engaged within the receptacle.
Inventors:
GASS DUSTIN DEAN (US)
JUDGE ROBERT ARNOLD (US)
JUDGE ROBERT ARNOLD (US)
Application Number:
PCT/US2008/063083
Publication Date:
November 25, 2010
Filing Date:
May 08, 2008
Export Citation:
Assignee:
HYDRIL USA MFG LLC (US)
GASS DUSTIN DEAN (US)
JUDGE ROBERT ARNOLD (US)
GASS DUSTIN DEAN (US)
JUDGE ROBERT ARNOLD (US)
International Classes:
E21B19/00; E21B29/00; E21B33/06
Domestic Patent References:
| WO2006050378A2 | 2006-05-11 |
Foreign References:
| US5515916A | 1996-05-14 | |||
| US20060144586A1 | 2006-07-06 | |||
| US4540046A | 1985-09-10 |
Other References:
See also references of EP 2205823A4
Attorney, Agent or Firm:
MCQUAY, Mardson, Q. et al. (Global Patent OperationP.O. Box 861, Suite 648,2 Corporate Driv, Shelton CT, US)
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