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Valve assembly for a subsea well control system
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Underwater wellhead connector
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Underwater connector for wellheads
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Locking valve system - for an underwater oil well blow-out protective assembly
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Hydraulic control system for controlling hydraulically actuated underwater devices
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Blowout preventer
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Underwater wellhead flow connector - with stinger cooperable with receptacles on riser and stack plates
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Underwater connector
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Underwater wellhead flow connector - with stinger cooperable with receptacles on riser and stack plates
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Underwater electrical connector
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Apparatus for making and breaking an electrical underwater connection between releasable underwater members
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Well pipe joint locator using a ring magnet and two sets of hall detectors surrounding the pipe
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Gas detector and mud measurement
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Locking system for a blowout preventer
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Underwater connector for wellheads
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Underwater wellhead connector
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Safety apparatus for drilling rig
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Underwater connecting apparatus
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Acoustical underwater control apparatus
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