Title:
ATTACHMENT DEVICE FOR MARINE RISER BUOYANCY MODULE
Document Type and Number:
WIPO Patent Application WO/2019/139483
Kind Code:
A1
Abstract:
An attachment device (10') for securing a buoyancy module to a riser, the attachment device comprising an annular collar (11) which is split into at least two parts, and at least one flange part (12'), which is separable from the collar (11) and has a generally planar flange (28) and a connecting formation (30) by means of which the flange part (12') may be releasably connected to the collar (11) so that the flange (28) extends radially outwardly relative to the collar (11).
Inventors:
SKAARSJOE DAVID (BR)
Application Number:
PCT/NO2018/050312
Publication Date:
July 18, 2019
Filing Date:
December 14, 2018
Export Citation:
Assignee:
MHWIRTH DO BRASIL EQUIPAMENTOS LTDA (BR)
MHWIRTH AS (NO)
MHWIRTH AS (NO)
International Classes:
E21B17/01; E21B19/02; E21B19/12; F16L3/12
Domestic Patent References:
| WO2012159146A1 | 2012-11-29 | |||
| WO2007064229A1 | 2007-06-07 | |||
| WO2010053447A1 | 2010-05-14 | |||
| WO2010107322A1 | 2010-09-23 |
Foreign References:
| US5722340A | 1998-03-03 | |||
| GB2441534A | 2008-03-12 | |||
| US20120247782A1 | 2012-10-04 | |||
| US7628655B1 | 2009-12-08 | |||
| US4477207A | 1984-10-16 |
Attorney, Agent or Firm:
ZACCO NORWAY AS (NO)
Download PDF: