Submarine wellhead
AssigneeSociete Nationale Elf Aquitaine (Production)
InventorMidel Iato
Life of this patent
Estimating the term…
Abstract
A submarine wellhead (10) for producing wells, including a hollow body (14) mounted in a water-tight fashion on a well (16) configured to receive a suspension device (30) equipped with a production column (26) designed to be lowered down into the well, which body (14) is also equipped with an outlet port (20) for the oil coming up from the well through the production column (26), hydraulic flow between the production column (26) and the outlet port (20) occurring through the suspension device (30), and hydraulic flow being ensured regardless of the rotation position of the suspension device (30) in relation to the body (14).
Claims5
Submarine wellhead for producing wells comprising a hollow body mounted in water-tight fashion on a well and configured to receive a suspension device equipped with a production column designed to be lowered into the well, which body is also equipped with an outlet port for the oil coming up from the well through the production column, hydraulic flow between the production column and the outlet port occurring through the suspension device, with hydraulic flow being ensured regardless of the rotation position of the suspension device with respect to the body, and further comprising a locking unit mounted on one open end of the body, with the locking unit having an approximately annular shape which makes it possible to mount it on the body regardless of the relative rotation position of the locking unit with respect to the body.
Dependencies are inferred from the claim text.