Type

0-D

Bearing

Back Pressure

Thread

Drill pipe（in）

FT86/35-NC26

Φ86

35MPa

NC26

23/8’’

FT86/70-NC26

Φ86

70MPa

NC26

23/8’’

FT105/35-NC31

Φ105

35MPa

NC31

27/8’’

FT105/70-NC31

Φ105

70MPa

NC31

27/8’’

FT121/35-NC38

Φ121

35MPa

NC38

31/2’’

FT121/70-NC38

Φ121

70MPa

NC38

31/2’’

FT159/35-NC46

Φ159

35MPa

NC46

4”

FT159/70-NC46

Φ159

70MPa

NC46

4”

FT162/35-NC50

Φ162

35MPa

NC50

41/2’’、5”

FT162/70-NC50

Φ162

70MPa

NC50

41/2’’、5”

FT178/70-51/2FH

Φ178

70MPa

51/2FH

51/2”

FT203/70-65/8REG

Φ203

70MPa

65/8REG

8”