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Title:
SUBSEA MEG STORAGE SYSTEM AND METHOD FOR DEPLOYMENT AND OPERATION OF SUBSEA MEG STORAGE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2016/207359
Kind Code:
A3
Abstract:
The present invention a subsea storage of MEG in an immediate vicinity of a subsea production site, the system comprising a collapsible flexible bag (31) and; - at least one charge conduit (32) providing a MEG conduit path between a topside position and the collapsible flexible bag (31), - at least one discharge conduit (33) providing a MEG conduit path between the collapsible flexible bag (31) and the subsea production site. The collapsible flexible bag (31) is arranged within an open mechanical structure (35), wherein the flexible bag (31) when in use is forming a single barrier between MEG and ambient water and, wherein at least one booster pump (36) is arranged on the discharge conduit (33) for raising the MEG pressure to a level permitting injection of MEG into the production site and, wherein the at least one charge conduit (32) has a conduit diameter of at least 50% smaller than the diameter of the at least one discharge conduit (33).

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Inventors:
REIMERS JAN-OTTO (NO)
GRIMSETH TOM (NO)
TOTLAND GUDMUND ROGER (NO)
Application Number:
PCT/EP2016/064683
Publication Date:
February 02, 2017
Filing Date:
June 24, 2016
Export Citation:
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Assignee:
KONGSBERG OIL & GAS TECH AS (NO)
International Classes:
E21B37/06; B65D88/62; B65D88/78; E21B41/00; E21B43/01; E21B44/00
Domestic Patent References:
WO1990004700A11990-05-03
Foreign References:
GB2499804A2013-09-04
US7234524B22007-06-26
US20130264064A12013-10-10
US20140301790A12014-10-09
US3488969A1970-01-13
Other References:
GABRIEL BEAUDONNET ET AL: "Subsea Station for Chemical Storage and Injection", DEEP OFFSHORE TECHNOLOGY CONFERENCE, 29 November 2012 (2012-11-29), XP055304627
FINETUBES: "Datasheet-control line", 30 September 2011 (2011-09-30), XP055304615, Retrieved from the Internet [retrieved on 20160921]
Attorney, Agent or Firm:
ONSAGERS AS et al. (NO)
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