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1. (WO2017192045) A DEVICE FOR OPERATION ON A WELLHEAD OF A HYDROCARBON WELL

Pub. No.:    WO/2017/192045    International Application No.:    PCT/NO2017/050107
Publication Date: Fri Nov 10 00:59:59 CET 2017 International Filing Date: Thu May 04 01:59:59 CEST 2017
IPC: E21B 23/00
E21B 29/08
E21B 29/12
E21B 31/16
E21B 31/20
Applicants: UMAC AS
Inventors: THUNHEIM, Kenneth
HERADSTVEIT, Bjørn
HORPESTAD, Olav
Title: A DEVICE FOR OPERATION ON A WELLHEAD OF A HYDROCARBON WELL
Abstract:
An arrangement (1 ) and a device (10) for operation on a wellhead (3) of a hydrocarbon well. The device comprises a support structure (14) and an attachment arrangement. The device is adapted to be inserted in an opening (12) of the wellhead provided with or to be provided with a separating cut (5). The attachment arrangement comprises a first attachment unit (20) adapted to form a first attachment to an upper portion (UP) of the wellhead (3) at an upper side of said cut (5), and second attachment unit (22) adapted to form a second attachment to a lower portion (LP) of the well head (3) at a lower side of said cut (5). The device further comprises a displacement unit (30) adapted to generate a force acting to further separating the first and second attachment unit from each other after that the first and second attachment have been established.