Saver sub for Top drive

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.

Type	O.D.mm(in)	I.D. mm(in)	Connection API
DQJ187C	187(7 23/647)	44.5(1 3/4)	6-5/8REG×NC31
DQJ187B	187(7 23/647)	57.2（ 1/4）	6-5/8REG×NC38
DQJ187A	187(7 23/647)	71.4（2 13/16）	6-5/8REG×NC50
DQJ197C	197（7 3/4 ）	44.5(1 3/4)	6-5/8REG×NC31
DQJ197B	197（7 3/4 ）	57.2（ 1/4）	6-5/8REG×NC38
DQJ197A	197（7 3/4 ）	71.4（2 13/16）	6-5/8REG×NC50
DQJ219A	219（8 5/8）	76.2（3）	7-5/8REG×NC50
DQJ219B	219（8 5/8）	57.4（2 1/4）	7-5/8REG×NC38

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