Sikkerhetsinnretning for en oljebrønn samt tilknyttet sikkerhetsinstallasjon
The device has a maintenance unit (42) that maintains a passage closure valve (58) in open position against a permanent stress unit. The unit (42) has a hydraulic cylinder (44) and a hydraulic unit (46) controlled by a command signal for activating the unit (42) when a valve opening command signal i...
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creator | Millet, François Michaud, Christophe Girardi, Joseph |
description | The device has a maintenance unit (42) that maintains a passage closure valve (58) in open position against a permanent stress unit. The unit (42) has a hydraulic cylinder (44) and a hydraulic unit (46) controlled by a command signal for activating the unit (42) when a valve opening command signal is received by the cylinder and the unit (46) and for deactivating the unit (42) in the absence of the signal. The cylinder and units (42, 46) are integrated to a valve case (40) so that the cylinder and units (42, 46) are moved simultaneously under control of a working line e.g. electric line. |
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The unit (42) has a hydraulic cylinder (44) and a hydraulic unit (46) controlled by a command signal for activating the unit (42) when a valve opening command signal is received by the cylinder and the unit (46) and for deactivating the unit (42) in the absence of the signal. The cylinder and units (42, 46) are integrated to a valve case (40) so that the cylinder and units (42, 46) are moved simultaneously under control of a working line e.g. electric line.</description><language>nor</language><subject>EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; FIXED CONSTRUCTIONS ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><creationdate>2016</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20161003&DB=EPODOC&CC=NO&NR=338700B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25555,76308</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20161003&DB=EPODOC&CC=NO&NR=338700B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Millet, François</creatorcontrib><creatorcontrib>Michaud, Christophe</creatorcontrib><creatorcontrib>Girardi, Joseph</creatorcontrib><title>Sikkerhetsinnretning for en oljebrønn samt tilknyttet sikkerhetsinstallasjon</title><description>The device has a maintenance unit (42) that maintains a passage closure valve (58) in open position against a permanent stress unit. The unit (42) has a hydraulic cylinder (44) and a hydraulic unit (46) controlled by a command signal for activating the unit (42) when a valve opening command signal is received by the cylinder and the unit (46) and for deactivating the unit (42) in the absence of the signal. 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subjects | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS |
title | Sikkerhetsinnretning for en oljebrønn samt tilknyttet sikkerhetsinstallasjon |
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