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DU drill pipe slips

相關介紹

DU series rotary table slips are composed of three types of rotary table slips, DU type, DUL type and SDU type. The slips have a wide range of buckling and light weight. Among them, SDU type slips have large contact surface and high strength. API Spec 7K requires design and manufacture.

Model Slip body size 41/2
DU Drill pipe diameter in 23/8 27/8 31/2
4 41/2
mm 60.3 73.0 88.9 101.6 114.3
DUL Drill pipe diameter in 23/8 27/8 31/2
4 41/2
mm 60.3 73.0 88.9 101.6 114.3
SDU Drill pipe diameter in - - - - -
mm - - - - -
Model
Slip body size 51/2
DU Drill pipe diameter in 31/2 4 41/2 5 51/2
mm 88.9 101.6 114.3 127 139.7
DUL Drill pipe diameter in 31/2 4 41/2 5 51/2
mm 88.9 101.6 114.3 127 139.7
SDU Drill pipe diameter in 31/2 4 41/2 5 51/2
mm 88.9 101.6 114.3 127 139.7
Model
Slip body size 7
DU Drill pipe diameter in 41/2 5 51/2 65/8 7
mm 114.3 127 139.7 168.3 177.8
DUL Drill pipe diameter in - - - - -
mm - - - - -
SDU Drill pipe diameter in 41/2 5 51/2 65/8 7
mm 114.3 127 139.7 168.3 177.8


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