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Title:
DEVICE FOR RECIRCULATING GREASE/SEALING OIL IN RISERS
Document Type and Number:
WIPO Patent Application WO/2013/058661
Kind Code:
A3
Abstract:
A device for collecting used sealing fluids/grease being used as sealing and lubricating medium between two objects such as risers.

Inventors:
SEVALDSEN KJETIL (NO)
Application Number:
PCT/NO2012/050205
Publication Date:
August 15, 2013
Filing Date:
October 22, 2012
Export Citation:
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Assignee:
GREEN WELL TECHNOLOGY AS (NO)
International Classes:
E21B33/072
Domestic Patent References:
WO2006042421A12006-04-27
Foreign References:
US4821799A1989-04-18
US20110097216A12011-04-28
GB2046609A1980-11-19
Attorney, Agent or Firm:
OSLO PATENTKONTOR AS (Oslo, NO)
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