Title:
RISER BREAKAWAY CONNECTION AND INTERVENTION COUPLING DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/164209
Kind Code:
A3
Abstract:
A breakaway connection for a subsea riser, the connection including a tubular stabbing member having a central axis, an upper end, a radially outer cylindrical surface, a radially inner surface, and an annular recess in the outer cylindrical surface. The breakaway connection also includes a tubular female member having a central axis, a lower end, a radially outer surface, a radially inner surface defining a receptacle extending axially from the lower end, and a plurality of circumferentially-spaced threaded holes extending radially from the radially outer surface to the receptacle, wherein the stabbing member is disposed in the receptacle and coaxially aligned with the female member, The breakaway connection further includes a plurality of shear pins, wherein each shear pin is threadably disposed in one threaded hole, and wherein each shear pin has a radially inner end seated in the annular recess.
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| WO/2023/278575 | QUICK CONNECTION INTERFACE FOR ELECTRICAL SUBMERSIBLE PUMP COMPONENTS |
| WO/1996/002730 | QUICK CONNECT COUPLING |
Inventors:
CURTISS JASON P (US)
Application Number:
PCT/US2014/021251
Publication Date:
December 11, 2014
Filing Date:
March 06, 2014
Export Citation:
Assignee:
BP CORP NORTH AMERICA INC (US)
CURTISS JASON P (US)
CURTISS JASON P (US)
International Classes:
E21B17/06; E21B17/08; F16L25/06
Domestic Patent References:
| WO1999004131A1 | 1999-01-28 | |||
| WO2011147882A1 | 2011-12-01 | |||
| WO2009153567A1 | 2009-12-23 | |||
| WO2013014440A2 | 2013-01-31 |
Foreign References:
| US20100164223A1 | 2010-07-01 | |||
| GB2199103A | 1988-06-29 | |||
| US1199029A | 1916-09-19 | |||
| US4479669A | 1984-10-30 | |||
| US5086843A | 1992-02-11 | |||
| US3345087A | 1967-10-03 |
Other References:
SIGBJORN SANGESLAND ET AL: "Riserless Casing While Drilling Using a Dual Gradient Mud System", PROCEEDINGS OF THE ELEVENTH INTERNATIONAL OFFSHORE AND POLAR ENGINEERING CONFERENCE, 17 June 2001 (2001-06-17), pages 1098 - 6189, XP055130376, Retrieved from the Internet [retrieved on 20140721]
Attorney, Agent or Firm:
PIANA, Jayne, C. (150 West Warrenville Road MC 200-1, Naperville IL, US)
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