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Saver sub for Top drive

Product Details

Product Details

Product Description

Product Description
Phone No. / Whatsapp: 0086 15145386673
Top Drive Saver Sub is a kind of sub connected with Lower IBOP and drill pipe, mainly used in the top drive system. Not only acting as crossover sub, but also protecting lower IBOP. Top drive saver sub can be divided into general top drive saver sub and low temperature top drive saver sub.




TypeO.D.mm(in)I.D. mm(in)Connection API
DQJ187C187(7 23/647)44.5(1 3/4)6-5/8REG×NC31
DQJ187B187(7 23/647)57.2( 1/4)6-5/8REG×NC38
DQJ187A187(7 23/647)71.4(2 13/16)6-5/8REG×NC50
DQJ197C197(7 3/4 ) 44.5(1 3/4)6-5/8REG×NC31
DQJ197B197(7 3/4 )57.2( 1/4)6-5/8REG×NC38
DQJ197A197(7 3/4 )71.4(2 13/16)6-5/8REG×NC50
DQJ219A219(8 5/8)76.2(3)7-5/8REG×NC50
DQJ219B219(8 5/8)57.4(2 1/4)7-5/8REG×NC38


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