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Top drive saver sub
Top drive saver sub is a kind of sub connected with lower IBOP and drill pipe,
mainly used for top drive system. It can protect lower IBOP.
Lower temperature top drive saver sub is also available.
Available OD: 187mm(7-23/64"), 197mm(7-3/4"), 219mm(8-5/8")
Available ID: 57.2mm(2-1/4"), 71.4mm(2-13/16")
Connection: 6-5/8REG x NC46, 7-5/8REG x NC50
Top drive saver sub
Top drive saver sub is a kind of sub connected with lower IBOP and drill pipe,
mainly used for top drive system. It can protect lower IBOP.
Lower temperature top drive saver sub is also available.
Available OD: 187mm(7-23/64"), 197mm(7-3/4"), 219mm(8-5/8")
Available ID: 57.2mm(2-1/4"), 71.4mm(2-13/16")
Connection: 6-5/8REG x NC46, 7-5/8REG x NC50
