EP 3400363 A1 20181114 - DEVICE AND METHOD FOR INSTALLING OR REMOVING A SUBSEA CHRISTMAS TREE
Title (en)
DEVICE AND METHOD FOR INSTALLING OR REMOVING A SUBSEA CHRISTMAS TREE
Title (de)
VORRICHTUNG UND VERFAHREN ZUM INSTALLIEREN ODER ENTFERNEN EINES UNTERWASS-ERUPTIONSKREUZES
Title (fr)
DISPOSITIF ET MÉTHODE POUR L'INSTALLATION OU LE SOUTIRAGE D'UNE TÊTE D'ÉRUPTION SOUS-MARINE
Publication
Application
Priority
- NO 20160019 A 20160106
- EP 2017050260 W 20170106
Abstract (en)
[origin: WO2017118727A1] The present invention relates to a device (1) for enabling removal of a Christmas tree (XT) from a wellhead (WH) or for installation of a Christmas tree (XT) on a wellhead. The device (1) comprises a housing device (10) having a first bore (11) provided axially through the housing (10) and a lower connector (15) for connection to an upper re-entry mandrel of the Christmas tree (XT). A first tool (20; 50) is provided in the first bore (11). A first tool holding device (21, 51) is also provided, for holding the first tool (20; 50) in an initial position in the first bore (11) and for releasing the first tool (20; 50) from the initial position upon actuation of the first tool holding device (21; 51). A fluid communication port (30) is provided in fluid communication with the first bore (11) via a fluid line (31), where a first fluid line (31) entry point (31a) into the first bore (11) is provided below the first tool holding device (21; 51). A first valve (41) provided in the fluid line (31) between the fluid communication port (30) and the first bore (11).
IPC 8 full level
E21B 33/035 (2006.01)
CPC (source: EP NO US)
E21B 33/035 (2013.01 - EP NO US); E21B 33/0355 (2013.01 - NO)
Citation (search report)
See references of WO 2017118727A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2017118727 A1 20170713; EP 3400363 A1 20181114; NO 20160019 A1 20170707; NO 343228 B1 20181210
DOCDB simple family (application)
EP 2017050260 W 20170106; EP 17700909 A 20170106; NO 20160019 A 20160106