FIELD: devices for connection of hydraulic channels.
SUBSTANCE: device for connection of hydraulic channels includes system of underwater column heads, with installed in it suspension of tubing string, block of gate valves of Christmas tree of horizontal type with central channel, installed on system of underwater column heads, connecting bushing installed in the central channel of Christmas tree gate valves block; block of gate valves of the Christmas tree includes upper hydraulic channels, suspension of tubing string includes lower hydraulic channels; connecting bushing contains intermediate hydraulic channels, bushing contains grooves made with possibility of working hydraulic fluid flowing along it so that hydraulic fluid flows between upper hydraulic channels and lower hydraulic channels through hydraulic intermediate channels.
EFFECT: easier installation and dismantling of Christmas tree; easier positioning of Christmas tree relative to system of underwater column heads; extraction of Christmas tree independently from tubing string suspension.
4 cl, 9 dwg
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