Superior Drillpipe provides pipe with API threaded connections for each of the various sizes. In addition, SDP-DS compatible double shoulder connections are available. This connection uses a standard API thread form with a secondary internal shoulder. It offers significantly improved torque performance over conventional API connections. This also allows the engineer to increase ID or reduce OD for improved hydraulic performance. SDP-DS is compatible with API connections and most other standard double shoulder connections. Please check with Superior Drillpipe for confirmation of compatibility prior to use.
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