Specified Condition

Rig

Design Hole Depth(m)

Final Hole Depth

Core Dia.(mm)

Remark

Underground Hydraulic Rig

≤1200

N

47.6

Core Barrel Support Method

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

2、PQ rod with PQ wireline core barrel,drill into 100~150m arrives a stable stratum；

3、HW casing threaded with HW casing shoe as technical casing；

4、HQ rod equipped with HQ wireline core barrel,drill into 500~600m arrives a stable stratum；

5、HQ wireline rod equipped with rod shoe as technical casing；
or for complicated stratum, apply NW casing with NW casing shoe as technical casing；

6、NQ rod equipped with NQ wireline core barrel, drill while the final hole finished.

7、BQ rod matched BQ wireline core barrel for alternative.

Selection Chart for Set Core Barrel Material

Classification

No.

Item

Std.

Qty.

Unit

Remark

Rod&Casing

1

0.6 M PW casing

PW

1

pc

2

3 M PW casing

PW

3

pc

selectable

3

3 M HW casing

HW

50

pc

4

3 M NW casing

NW

200

pc

selectable

5

3 M PQ rod

PQ

50

pc

6

3 M HQ rod

HQ

200

pc

7

3 M NQ rod

NQ

400

pc

Core Barrels

1

3 M wireline core barrel

PQ

1

set

2

3 M wireline core barrel

HQ

2

set

3

3 M wireline core barrel

NQ

2

set

4

overshot

PQ

1

set

5

overshot

HQ

2

set

6

overshot

NQ

2

set

  Diamond Products

1

diamond bit

PQ

5

pc

2

diamond reamer

PQ

2

pc

3

diamond bit

HQ

8

pc

4

diamond reamer

HQ

4

pc

5

diamond bit

NQ

12

pc

6

diamond reamer

NQ

6

pc

7

diamond rod shoe

HQ

1

pc

8

diamond casing shoe

PW

1

pc

9

diamond casing shoe

HW

1

pc

10

diamond casing shoe

NW

1

pc

selectable

Rod&Casing Screwing/Unscrewing System

1

rod wrench

ZZYQ-139

2

set

2

rod wrench

ZZYQ-114

2

set

3

rod wrench

ZYQ-89

2

set

4

rod wrench

ZYQ-71

3

set

5

inner tube wrench

ZYQ-95N

3

set

6

inner tube wrench

ZYQ-73N

3

set

7

inner tube wrench

ZYQ-56N

3

set

Wireline Winch

1

rope

6.1

1250

m

Rod&Casing Hoisting System

1

hoist plug

TY02

1

pc

Water Swivel System

1

water swivel

JS25K

1

pc

2

hose

GYJG-25

1

pc

Main Consumables

1

large spares kit

HQ

1

set

2

……….

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