Specifications

ring tools
2.The coring tools are used for acquisition of the rock core in petroleum drilling.

coring tool 

 

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 typeChuan 8-3 type.

 

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