A COMPONENT USED IN THE FORMATION, CONSTRUCTION, REPAIR AND PRODUCTION PHASE OF A WELL BORE AND A METHOD FOR IDENTIFYING SAME

摘要

A component for use in the drilling, construction, maintenance and repair of a well bore, the component comprising a body having wave energizable identification apparatus on the exterior of the body characterised in that the wave energizable identification 10 apparatus is encased in an encasement, the encasement comprising at least one layer of heat resistant material.