Specified Condition  

Rig

Design Hole Depth(m)

Final Hole Depth

Core Dia.(mm)

Remark  

Vertical Shaft Rig

≤2400

H

63.5

Core Barrel Support Method              

1、C219 casing with C219 casing bit, drill 30-50m into the stable stratum;
C219 casing with C219 casing shoe, set opening wall protection casing;

2、SW caing with SW casing bit, drill 100~200m into the stable stratum;
SW casing with SW casing shoe as technical casing;

3、JS150 rod equipped with SQ wireline core barrel, drill over 600m, arrives stable stratum;

4、C146 threaded with C146 casing shoe as technical casing;

5、XJS122 rod match with XJS122 wireline core barrel(enlarge bit), drill 1200~1500m into  stable stratum;

6、HW casing threaded with HW casing shoe as technical casing;
Or make XJS122 rod as technical casing directly for complicated stratum;

7、XJS98 rod match with JSHQ wireline core barrel, drill and until the final hole finished;

8、CHD76 rod match with CHD76 wireline core barrel for alternative.

Selection Chart for Set Core Barrel Material

Classification

No.

Item

Std.

Qty.

Unit

Remark

Rod&Casing              

1

1 M C219 casing

C219

1

pc

2

3 M C219 casing

C219

16

pc

3

3 M SW casing

SW

35

pc

4

4.5 M C146 casing

C146

200

pc

5

4.5 M HW casing

HW

335

pc

customization

6

3 M JS150 rod

JS150

200

pc

7

4.5 M XJS122 rod

XJS122

335

pc

8

4.5 M XJS98 rod

XJS98

535

pc

Core Barrel          

1

3 M wireline core barrel

SQ

1

set

2

3 M wireline core barrel

XJS122

2

set

3

3 M wireline core barrel

JSHQ

2

set

4

overshot

SQ

1

set

5

overshot

XJS122

1

set

6

overshot

HQ

2

set

Diamond Products                        

1

diamond casing bit

C219

2

pc

2

diamond casing bit

SW

5

pc

3

diamond bit

SQ

6

pc

4

diamond reamer

SQ

4

pc

5

diamond bit

XJS122

10

pc

6

diamond reamer

XJS122

5

pc

7

diamond bit

HQ+2

10

pc

8

diamond reamer

HQ+2

6

pc

9

diamond casing shoe

C219

1

pc

10

diamond casing shoe

SW

1

pc

11

diamond casing shoe

C146

1

pc

12

diamond casing shoe

HW

1

pc

13

diamond rod shoe

XJS122

1

pc

customization

Rod&Casing Screwing/Unscrewing System              

1

casing wrench

ZYQ-219

2

set

2

casing wrench

ZYQ-146/168

2

set

3

rod wrench

ZYQ-139

4

set

5

rod wrench

ZYQ-114

4

set

6

rod wrench

ZYQ-89

4

set

7

inner tube wrench

ZYQ-118N

2

set

8

inner tube wrench

ZYQ-91N

4

set

9

inner tube wrench

ZYQ-73N

4

set

Wireline Wrench  

1

wireline wrench

JS-3000D

1

set

2

rope

9.0

2500

m

Water Swivel System  

1

water swivel

JS-04

1

pc

2

hose

GYJG-38

1

pc

Rod&Casing Hoisting System

1

basket hoist plug

1

pc

customization

Main Consumables  

1

small spares kit

SQ

1

set

2

……….

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