The invention relates to a drilling vessel having a firing line, along which a tubular string is passed into the sea during drilling activities, the firing line extending in a substantially vertical direction, and a tubular string support structure. According to the invention, the tubular string support structure comprises a cart that can be moved into and out of a position in the firing line, and a support bearing for supporting the cart in its position in the firing line and enabling rotation of the cart about a vertical axis of its vertical passage, the vertical axis coinciding with the firing line.
DRILLING VESSEL
BOHRSCHIFF
NAVIRE DE FORAGE
2019-10-02
Patent
Electronic Resource
English