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Products

Back-off Sub

产品名称

Back-off Sub

Back-off sub is also called back off spear. It can instead of taper tap to fish or back off when dealing with sticking. If the fish stuck or can’t be back off, we can release from the back off sub, and then trip the drilling tool.

 

Type

OD

 mminch

Connection

ID

 mminch

OAL mminch

ZDK105

105(4-1/8)

NC31B×NC31P

1519/32

58022-13/16

ZDK121

121(4-3/4)

NC38B×NC38P

2257/64

62824-3/4

ZDK159

159(6-1/4)

NC50B×NC50P

281-1/8

69027-3/16

ZDK165

165(6-1/2)

NC50B×NC50P

281-1/8

69027-3/16

ZDK168

168(6-5/8)

NC50B×NC50P

281-1/8

69027-3/16

ZDK178

178(7)

6-5/8REGB×6-5/8REP

321-1/4

70027-9/16

ZDK203

203(8)

6-5/8REGB×6-5/8REP

351-3/8

72328-1/2

 

Corresponding parameter set not found, please add it in property template of background
暂未实现,敬请期待
暂未实现,敬请期待
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