Method of inserting wireline equipment into a subsea well

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United States of America Patent

PATENT NO 4993492
SERIAL NO

07532106

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Abstract

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A subsea wireline lubricator comprises in sequence (a) a stuffing box, (b) at least one blow-out preventer, (c) a riser, (d) a foot valve and (e) a connector for connection to a subsea well head assembly. The lubricator permits wireline access to subsea oil wells without the need for a conventional tensioned riser.

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Patent Owner(s)

Patent OwnerAddress
BRITISH PETROLEUM COMPANY P L C THEBRITANNIC HOUSE MOOR LANE LONDON EC2Y 9BU

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cressey, John F Southwell, GB2 1 42
Hardy, Ian J Banchory, GB6 2 43

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