Method and a device for intervention in an underwater production well
AssigneeSeabed Rig AS
InventorPer Olav Haughom
Life of this patent
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Abstract
A method for intervention in an underwater production well, in which the well head (1) of the production well is located on the seabed (2), and wherein a drilling rig (26), which comprises at least a robotized drill floor (32), is placed at the well head (1), after which necessary intervention operations are carried out in a remote-controlled manner by means of the drilling rig (26).
Claims9
A method for intervention in an underwater production well, in which a well head of the production well is located on the seabed (2), wherein the method includes:
- arranging a bottom frame, which fits in an independent and complementary manner to the well head (4) on the sea bed;
- anchoring the bottom frame to the seabed;
- arranging a submerged drilling rig, on the bottom frame above the well head after which necessary intervention operations are carried out in a remote-controlled manner by means of the drilling rig.
An equipment device for intervention in an underwater production well, in which a well head of the production well is located on the seabed, wherein the equipment comprises a bottom frame, which fits in a independent and complementary manner to the well head, and where the bottom frame is anchored to the seabed and forms a base for a submerged drilling rig.
Dependencies are inferred from the claim text.