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Advanced Blow-out Preventer

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
An advanced blowout preventer that includes an arrester section and a shear section. The arrester section includes a number or arrester rings that are shaped to extend downwardly. The shape of the arrester rings allows the force of gas flowing out of the well to assist in closing the rings. The arrester section may have a number of arrester rings that cooperate to significantly reduce fluid from flowing in the annulus between a section of drill pipe and the blowout preventer. The advanced blowout preventer may also include a shear section. The shear section is configured to engage and shear a section of pipe using induction.
Levett, Bryce (Katy, TX), Ludtka, Gerard M. (Oak Ridge, TN), Dionisio, Mariana (Houston, TX)
Transocean Sedco Forex Ventures Limited (George Town Grand Cayman KY)
14/ 061,435
October 23, 2013
STATEMENT OF GOVERNMENT SUPPORT [0002] This invention was made with Government support under Work for Others Agreement No. NFE-12-04104 awarded by the United States Department of Energy. The Government has certain rights in this invention.