Patent ID: 7823639

Claim:
A wired drill pipe, comprising: a pipe joint having a pin at one longitudinal end and a box at another longitudinal end, the pin and the box each having threads for engagement with corresponding threads on a respective box or pin of an adjacent pipe joint, a longitudinal end of the threads on the pin and the box each including at least in an internal shoulder for engagement with a corresponding internal shoulder on an adjacent box or pin, an end face of the internal shoulder of each of the pin and box including a groove around a circumference thereof for retaining a communication coupling therein, and wherein a flank of the groove on the pin defined by the groove thereon and a corresponding surface of the box includes a deflection resistance feature; wherein the deflection resistance feature comprises a layer of material deposited on at least a surface of the shoulder of the flank having higher coefficient of friction than a material from which the pipe is made.