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GB8822209D0
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Tool for testing hydraulic appliance and process for testing such appliance
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Mooring and release device
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Shear rams for hydrogen sulfide service
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Casing hanger assembly and operating tools therefor
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Valve and control therefor
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Riser connector
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Bollard
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Cable stress monitoring system - for construction and underwater drilling, uses electromagnet with pole near cable and coil forming part of circuit
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Continuous cable tension monitor
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Tensioner construction
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Mobile electrification conductor system
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Casing hanger assembly and operating tools therefor
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Modulating ground fault detector and interrupter
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Ton cycle indicator
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Crane load compensator
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Drilling vessel wave motion compensator - with pneumatically pressurized rams between travelling block and drill string supports
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NL7316180A
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Drilling vessel wave motion compensator - with pneumatically pressurized rams between travelling block and drill string supports
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GB1446357A
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Drill string compensator
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