Coring Tools

Coring Tools

The coring tools are used for acquisition of the rock core in petroleum drilling. Everytime one to three sections of inner barrels and outer barrels can be run in core drilling. They can be applied in soft , moderate and rigid rock formations. The series of tools manufactured are as followed: Qing 84--I type , Chuan 7-4type Chuan 8-4 type\Chuan 8-3 type.

Technical specifications and parameters

Series Type Outer barrel size(mm) Inner barrel size (mm) Section
Length
(mm)
Hole diamter (mm)
O.D. x I.D. x Wall
Thickness(mm)
O.D. x I.D. x Wall
Thickness(mm)
Qing 84-I Q84-I 180 x 144 x 18 127 x 108 x 9.5 9000 216~245
Chuan 8-4 CZ84 180 x 136 x 18 127 x 112 x 7.5 9000 216~245
Chuan 8-3 CQX83 180 x 144 x 18 127 x 112 x 7.5 9000 216~245
Chuan 7-4 SQX172 172 x 136 x 18 127 x 105 x 8.0 9000 190~216

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