EntityQ4199385· pop 8· linked from 34 articlesdrill pipeSign in to saveSteel pipes utilized to drill oil and gas wells as part of drilling rig tools,used in stdsConnectionsInternational Standard Book NumberEntityEarth's crustEntitypipeEntityfatigueEntityfractureEntityspherometerEntitydrilling fluidEntityfriction weldingEntityultrasonic testingEntityAmerican Petroleum InstituteEntityUniversity of Oklahoma PressEntitydirect drive mechanismEntitylist of components of oil drilling rigsEntityCategoriesDrilling fluidPiping