Above-Tension-Ring RCD (ATR RCD) | Schlumberger

Above-Tension-Ring RCD

18 3/4-in surface rotating control device

Above-tension-ring RCD (ATR RCD)
Above-tension-ring RCD (ATR RCD).

The above-tension-ring rotating control device (ATR RCD) is an 18 3/4-in surface rotating control device that can be used for land, jackup, and platform rigs as well as above-tension-ring floater applications. It has an 18 3/4-in clear passthrough. Its proven redundant and reliable design allows the @balance Speed sealed rotating system to land and be locked in place through a pistons mechanism. It is a single-trip deployment system that does not require a wear sleeve.

Above-tension-ring rotating control device
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