Method for modifying an existing subsea arranged oil production well, and a thus modified oil production well
AssigneeStatoil Petroleum AS
InventorTorstein Vinge
Life of this patent
Estimating the term…
Abstract
Method to modify an existing subsea arranged oil production well having installed a hydraulically operated downhole valve, characterized in using coiled tubing technology to: arrange an electrically operated downhole pump in the production tubing, lock the hydraulically operated downhole valve in an open position by placing a sleeve body in the open positioned valve, arrange an electrically operated downhole valve above the downhole pump. A modified oil production well.
Claims11
A method to modify an existing subsea arranged oil production well having installed a hydraulically operated downhole valve, said method comprising the steps of:
- using coiled tubing technology to:
- arrange an electrically operated downhole pump in the production tubing;
- lock the hydraulically operated downhole valve in an open position by placing a sleeve body in the open positioned valve;
- and
- arrange an electrically operated downhole valve above the downhole pump.
Dependencies are inferred from the claim text.