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标题:internal subsea tree cap can be installed
正文:
Aker new internal subsea tree cap can be installed and retrieved by a remotely operated vehicle (ROV)Aker Subsea recently introduced a new internal subsea tree cap that promises ease of installation at depths of 10,000 ft below the ocean surface. The cap, which can be installed and retrieved by a remotely operated vehicle (ROV), also promises more efficient installations at lower overall costs.The Aker Subsea tree caps are designed for use on concentric bore, vertical subsea trees. The cap acts as a barrier to keep the subsea environment clean in the event of any leaks above the annulus and production swab valves.In developing the tree cap, Aker Subsea met several design objectives, including:The device does not present a snag hazard for future wellhead work, and should aid in damage control from dropped objects The device fits within and locks to the subsea tree spool body . The device is delivered ready for service and is manipulated subsea by the ROV, attributes which minimize rig a
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