Title:
MULTI CAPACITY RISER TENSIONERS
Document Type and Number:
WIPO Patent Application WO/2014/090682
Kind Code:
A3
Abstract:
The invention concerns a hydraulic cylinder unit (100) for connection to a wire line riser tensioner system (30) having multi-capacity properties. The invention also concerns a method for switching a hydraulic cylinder unit between a hydraulic cylinder unit with low tension capabilities and a hydraulic cylinder unit with high tension capabilities, as well as a wire line riser tensioning system (30) for a riser (40) connected to a floating platform.
Inventors:
PØHNER LARS (NO)
Application Number:
PCT/EP2013/075666
Publication Date:
November 27, 2014
Filing Date:
December 05, 2013
Export Citation:
Assignee:
AKER MH AS (NO)
International Classes:
E21B19/00; E21B19/09
Foreign References:
| NL8403871A | 1986-07-16 | |||
| US8251148B2 | 2012-08-28 | |||
| US4487150A | 1984-12-11 | |||
| US5209302A | 1993-05-11 |
Attorney, Agent or Firm:
ONSAGERS AS et al. (Oslo, NO)
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