Title:
MARINE SUBSEA RISER SYSTEMS AND METHODS
Document Type and Number:
WIPO Patent Application WO/2012/149080
Kind Code:
A3
Abstract:
A riser system connects a subsea source of hydrocarbons to a collection vessel. The system includes a riser, a lower end of the riser fluidly coupled to a seal stem, the seal stem in turn fluidly attached to a lower riser assembly through a polished bore receptacle. The upper end of the riser is connected to the collection vessel, the riser being maintained in a near vertical position. Methods of installing and using the riser systems for killing and cementing wells are described.
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Inventors:
BLALOCK DOUGLAS PAUL (US)
CLEARY MICHAEL PATRICK (US)
MATAWAY THOMAS PATRICK (US)
KOEPKE STEVEN DIRK (US)
CLEARY MICHAEL PATRICK (US)
MATAWAY THOMAS PATRICK (US)
KOEPKE STEVEN DIRK (US)
Application Number:
PCT/US2012/035080
Publication Date:
November 14, 2013
Filing Date:
April 26, 2012
Export Citation:
Assignee:
BP CORP NORTH AMERICA INC (US)
BLALOCK DOUGLAS PAUL (US)
CLEARY MICHAEL PATRICK (US)
MATAWAY THOMAS PATRICK (US)
KOEPKE STEVEN DIRK (US)
BLALOCK DOUGLAS PAUL (US)
CLEARY MICHAEL PATRICK (US)
MATAWAY THOMAS PATRICK (US)
KOEPKE STEVEN DIRK (US)
International Classes:
E21B33/064; E21B17/01
Foreign References:
| US20100025044A1 | 2010-02-04 | |||
| US20070044972A1 | 2007-03-01 | |||
| US20070256864A1 | 2007-11-08 | |||
| US6032736A | 2000-03-07 | |||
| US4741647A | 1988-05-03 | |||
| US4058137A | 1977-11-15 |
Attorney, Agent or Firm:
FISHER, Barbara, A. (150 W. Warrenville RoadMC 200-1, Naperville IL, US)
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