Method and device for the removing subsea rocks and sediments
AssigneeFossura AS
InventorsTom Jacobsen, Terje Fagervold
Life of this patent
Estimating the term…
Abstract
Method and device for subsea removal of cuttings from a borehole by means of ejector (5), pump (3) and suction hose (6), the ejector (5) being powered by a pump (3) that is rigidly attached to ROV (2), said ejector (5) being one with external nozzle, while said ROV (2) with pump (3) is connected to the ejector only when removal of cuttings is to take place.
Claims13
Device for removal of cuttings from a borehole (7) with the use of an ejector, characterized in that the device comprises a first unit (1) in the form of an ROV (2) with a rigidly attached ejector pump (3) provided with a connecting hose (4) terminated with a first part (11a) of a coupling (11), and at least a second unit comprising a suction hose (6) and an ejector (5), said ejector (5) being provided with a second part (11b) of said coupling (11), said first part (11a) and said second part (11b) of said coupling (11) being adapted to be connected to one another.
Dependencies are inferred from the claim text.