Structure Details of Wire Rope Coring Drilling Tools
NO.	Name	Description Code
Double-pipe drilling tool
1-12	rope drilling tool	SZJ
Inner/outer tube system
1	spring card assembly	TKZC
2	Inner tube	NG
3	circlip retaining ring	KHDQ
4	Card spring	KH
5	Card spring seat	KHZ
6	centralizer	FZQ
7	Card room	TKS
8	Seat ring	ZH
9	Outer tube	WG
10	centralizer ring	FZH
11	Reamer	SHELL
12	Drill	BIT

1-5 for the inner tube system, 6-12 for the outer tube system
Note: When ordering, the drilling tool assembly does not include drill bits and reamers, and the lower end of the drilling tool assembly is equipped with a drilling tool protective sleeve to protect the drilling tool during transportation.

Standard and parameter of C series rope drilling tool
NO.	Standard	Description Code	Bit outer diameter (mm)	Bit inner diameter (mm)	Weight (kg)
1	AC	SZJ-AC-1500	47.6	27.0	15.8
2	BC	SZJ-BC-1500	59.5	36.3	23.98
		SZJ-BC-3000			38.31
3	NC	SZJ-NC-1500	75.3	47.6	38.94
		SZJ-NC-3000			60. 44
4	HC	SZJ-HC-1500	95.6	63.5	63.98
		SZJ-HC-3000			94.34
5	PC	SZJ-PC-1500	122.0	85.0	83.34
		SZJ-PC-3000			126.65
6	SC	SZJ-SC-1500	147.6	102.0	130.21
		SZJ-SC-3000			185.85

Technical exchange

Drilling formation

Bit Selection in Hard Rock Formation

Bit Selection in Soft Rock Formation

Engineering case

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Development and Application Demonstration of 5000m Intelligent Geological Drilling Technology and Equipment

Pre

None

C2 wireline coring tool

Pre

C2 wireline coring tool

If you are interested in our products, please contact us!

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