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Marine Swivel

The marine swivel system positions the casing cutter vertically, when making casing cuts from floating drilling vessels. The landing ring on this swivel, lands in the wellhead, supporting all downhole tools at a fixed position. Bumper Subs above the swivel eliminates vertical movements. The Mandrel of the swivel rotates freely inside the sleeve, allowing full rotation of the downhole tools. All thrust and load bearing are encapsulated in an oil bath for extended life and run times. On multiple string cuts, space out subs below the mandrel can be changed to make the drill string length constant with each knife arm change. Landing rings are available for 7" through 30" casing.


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