Specified Condition

Rig

Design Hole Depth(m)

Final Hole Depth

Core Dia.(mm)

Remark

Underground Hydraulic Rig

≤600

B

36.3

Core Barrel Support Method

1. HW casing with HW single tube casing shoe,drill 3~10m into the stable stratum, set opening wall protection casing；

1. HQ rod with HQU underground wireline core barrel,drill into 150~200m；

3、HQ wireline rod threaded with rod shoe as technical casing；

4、NQ wireline rod equipped with NQU underground wireline core barrel,drilling depth is 300~350m；

5、NQ wireline rod with rod shoe as technical casing；

6、BQ rod with BQU underground wireline core barrel drill while the final hole finished.

Selection Chart for Set Core Barrel Material

Classification

No.

Item

Std.

Qty.

Unit

Remark

Rods&Casings

1

0.6 M HW casing

HW

1

pc

2

1.5 M HW casing

HW

6

pc

3

1.5 M HQ rod

HQ

160

pc

4

1.5 M NQ rod

NQ

230

pc

5

1.5 M BQ rod

BQ

400

pc

Core Barrels

1

1.5 M horizontal hole drilling core barrel

HQU

1

set

2

1.5 M horizontal hole drilling core barrel 

NQU

2

set

3

1.5 M horizontal hole drilling core barrel

BQU

2

set

4

overshot

HQU

1

set

5

overshot

NQU

2

set

6

overshot

BQU

2

set

Diamond Products

1

diamond bit

HQ

3

pc

2

diamond reamer

HQ

2

pc

3

diamond bit

NQ

6

pc

4

diamond reamer

NQ

3

pc

5

diamond bit

BQ

6

pc

6

diamond reamer

BQ

3

pc

7

diamond casing shoe

HW

2

pc

8

diamond rod shoe

HQ

1

pc

9

diamond rod shoe

NQ

1

pc

Rod&Casing Screwing/Unscrewing System

1

rod wrench

ZYQ-114

2

set

2

rod wrench

ZYQ-89

3

set

3

rod wrench

ZYQ-71

4

set

4

rod wrench

ZYQ-56

4

set

5

inner tube wrench

ZYQ-73N

2

set

6

inner tube wrench

ZYQ-56N

3

set

7

inner tube wrench

ZYQ-43N

3

set

Wireline Winch

1

wireline winch

JS-600

1

set

selectable

2

rope

5.1

660

m

Water Swivel System

1

water swivel

JS02U

1

set

2

rope feeder

HCU

1

set

3

rope feeder

NCU

1

set

4

rope feeder

BCU

1

set

5

hose

GYJG-25

1

pc

Main Consumables

1

Large Spares Kit

HQU

1

set

2

……….

Note：Other item, without include above, item list will be followed instructions.