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The marine swivel seal extractor is used exclusively on floating rigs to suspend a cutting string in a fixed vertical position and position and stabilize it for an accurate cutting operation. To accomplish this, the marine swivel seal extractor must land on a fixed point in the marine riser, blowout preventer, or subsea wellhead. For cutting larger casing strings, after the riser has been removed, adapter rings can be added to the marine swivel seal extractor. The addition of the hanger seal extractor, which replaces the adapter ring and blank bottom, enables this tool to extract the hanger seal assembly from a subsea wellhead.
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