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US 12,006,785 B2Granted
Self-propelled valve actuator on a rail transport system for manifolds and subsea trees
AssigneeVetco Gray Scandinavia AS
InventorDawid Biernacik
Life of this patent
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Abstract
The invention relates to a self-propelled valve actuator on a rail transport system for manifolds and Christmas trees. The valve actuator is moveable along a transport rail and may operate several valves. The valve actuator is driven by a gearwheel motor. The invention also relates to a rotatable valve head having diametrical slots with which the valve actuator may interact.
Claims12
A valve actuator system for actuating at least two valves on a production structure having at least two valves, each valve comprising a rotatable valve head, the valve actuator system comprising:
- a transport rail;
- a valve actuator moveable along the transport rail, the valve actuator including at least:
- a first gearwheel engaging a transport rail rack of the transport rail;
- and
- a second gearwheel engaging the transport rail rack of the transport rail;
- an actuator motor housing;
- a rotatable drive element with a valve head engagement portion for engaging the valve head;
- and
- at least one motor for driving at least one of the gearwheel and the rotatable drive element.
6 more elements
Dependencies are inferred from the claim text.