Coring Tools
The coring tools are used for acquisition of the rock core in petroleum drilling. Every time 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 7-4 type Chuan, 8-4 type and Chuan 8-3 type. We can produce according to customers’ requirements.
|
Series
|
Type
|
Outer barrel size
|
Inner barrel size
|
Section length
|
Hole diameter
|
|
(mm)
|
(mm)
|
(mm)
|
(mm)
|
||
|
O.D. * I.D. * Wall
|
O.D. * I.D. * Wall
|
|
|
||
|
Thickness (mm)
|
Thickness (mm)
|
|
|
||
|
Qing 84-I
|
Q84-I
|
Φ180 *Φ140 *18
|
Φ127 *Φ108 *18
|
9000
|
216-245
|
|
Chuan 8-4
|
CZ84
|
Φ180 *Φ140 *18
|
Φ127 *Φ112 *18
|
9000
|
216-245
|
|
Chuan 8-3
|
CQX83
|
Φ180 *Φ140 *18
|
Φ127 *Φ112 *18
|
9000
|
216-245
|
|
Chuan 7-4
|
SQX172
|
Φ172 *Φ136 *18
|
Φ127 *Φ105 *18
|
9000
|
190-216
|