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公开(公告)号：US20220220838A1
公开(公告)日：2022-07-14
申请号：US17610347
申请日：2020-04-28
Applicant: SAIPEM S.A.
Inventor： Carlos Alberto CAPELA MORAES , Raymond HALLOT , Nicolas CHAZOT
Abstract: A facility for the subsea disposal of the water produced during deepwater hydrocarbon production, includes a subsea oil/water separation station fed with fluids coming directly from at least one hydrocarbon production well, operating at a pressure independent of and lower than the ambient pressure, and comprising an oil outlet for connecting to a production unit and a water outlet, a flat gravity oil/water separation tank resting on the seabed, continuously fed with water leaving the oil/water separation station, operating at a pressure substantially equal to the ambient pressure, and comprising an oil outlet for connecting to the production unit and a water outlet, and a subsea high-pressure pump connected to the water outlet of the oil/water separation station and to a water inlet of the tank to raise the pressure of the water leaving the oil/water separation station to the ambient pressure before it is admitted into the tank.
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公开(公告)号：US20210071488A1
公开(公告)日：2021-03-11
申请号：US17012376
申请日：2020-09-04
Applicant: SAIPEM S.A.
Inventor： Carlos Alberto CAPELA MORAES , Sadia BANINI SHAIEK
Abstract: A system for collecting solid particles accumulating at the bottom of a subsea oil/water separation station of an installation for the subsea disposal of water produced during the deepwater subsea production of hydrocarbons, comprises at least one vertical drainage channel intended to open into a lower part of a horizontal body (of the oil/water separation station, a discharge pipe to be positioned horizontally under the horizontal body of the oil/water separation station and into which the drainage channel opens, and a high-pressure slurry ejector having a suction port connected to the discharge pipe via a supply valve.
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