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Coring Tools

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product description

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)

O.D of
Core
(mm)

ID.
(mm)

 

 

OD*ID*Wall
Thickness(mm)

OD*ID*Wall
Thickness(mm)

 

 

 

Qing84-I

Q84-I

180*144*18

127*108*9.5

9000

101.6

216~245

250P(USA)

6 3/4*4"

172*136*18

121*105*8.0

9000

101.6

190~216

Chuan8-4

CQ84

180*136*22

127*112*7.5

9000

105

216~245

Chuan8-3

CQ8105

180*144*18

127*112*7.5

9000

105

216~245

 

CQ83

180*144*18

127*112*7.5

9000

105

216~245

Chuan7-4

CQ172

172*136*18

121*105*8.0

9000

101.6

190~245

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