System and method of using a saver sub in a drilling system

摘要

A technique facilitates the drilling of a wellbore by enhancing the ability to relay data. The system comprises a saver sub designed to connect a top drive unit with a wired drill pipe without requiring modification of the top drive unit. The saver sub comprises an electronics package, a battery, and an antenna coupled to a saver sub mandrel.

主权项

1. A system for use during drilling of a wellbore, comprising:
a top drive unit; a drill string wherein at least a portion of the drill string comprises a plurality of wired drill pipes; and a saver sub to connect the drill string to the top drive unit, wherein the saver sub is positioned at the surface between the drill string and the top drive unit and further wherein the saver sub comprises a mandrel having a recessed region therein, electronics, a battery to power the electronics, and an antenna to relay and receive data; and a shell removably mounted in the recessed region of the mandrel, the shell comprising an attachment mechanism for quick installation and removal from the mandrel, the electronics and the battery positioned in the shell whereby the electronics and battery are removably mounted to at least a portion of the mandrel.