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Downhole Tools

Coring Tools

  • By
  • 2022-01-12 14:43:40
  • 4


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 to 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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