Closed device for treatment of drilling fluids and cuttings

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United States of America Patent

PATENT NO 6110367
SERIAL NO

09355301

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a device for treatment of drilling mud and cuttings, comprising a screen, a centrifuge (10), a degassing system (6), a discharge system directing the drilling mud back to the active drilling mud system (13, 14), a transport system (17) transporting the cuttings. The screen is a rotating drum (3), and the drum is situated in a mainly enclosed housing (1) with the housing being connected to a vacuum suction system. The solid material discharge from the rotating drum (3) is connected to a downstream centrifuge (10), by a mainly enclosed pipe system (9). A weighing cell (16) for cuttings is connected to the centrifuge (10).

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Patent Owner(s)

Patent OwnerAddress
NATIONAL OILWELL VARCO NORWAY ASPOSTBOKS 401 LUNDSIDEN KRISTIANSAND S 4604

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jensen, Ole Dagfinn Marstad, NO 1 12
Kalvenes, Oystein Bergen, NO 6 59

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