DeRun Energy Co could provide slick drill collar, spiral drill collar, non-magnetic drill collar, flex non-magnetic drill collar with API certifications. Please send your specific requirements.
Drilling ToolLuhai non-magnetic drill collars are made from non-magnetic materials with low-magnetic permeability. API monogram, serial number, OD, ID, type and size of connections are stamped on recessed mill flats.Magnetic Properties of Non-magnetic Drill CollarWhen MPS=11054AmRelative magnetic permeabilityr1.1010Magnetic Field GradientB0.05T