میله مته NRQ Q Coring 3 متر

Product name

Product code

Description

O.D

（mm）

I.D

（mm）

Net weight

（kg）

Gross weight

（kg）

Thread pitch

（mm）

Thread length

（mm）

Product length

（mm）

NROQ-10'

20300201

10 '

￠69.9

￠60.3

23.9

24.3

8.47

42

3048

NROQ-3M

20300202

3M

￠69.9

￠60.3

23.5

23.9

8.47

42

3000

NROQ-5'

20300203

5 '

￠69.9

￠60.3

11.95

12.35

8.47

42

1524

NROQ-1.5M

20300204

1.5M

￠69.9

￠60.3

11.76

12.16

8.47

42

1500

Product name

Label color

Package L

（mm）

Package W

（mm）

Package H

（mm）

Weight of each bundle

(kg)/19 pcs

Rated depth

Maximum rated torque

Maximum rated tension

NROQ-10'

Orange

3150

360

320

461.7

3000m（9800ft）

2400Nm（1750ft-lb）

330kN（75000 lbf）

NROQ-3M

Orange

3100

360

320

454.5

NROQ-5'

Orange

1620

360

320

234.6

NROQ-1.5M

Orange

1600

360

320

231

Performance description

NROQ

Metric

Imperial

Rated drilling depth calculated as per joint strength

3000 m

9800 ft

Maximum rated tension

330 kN

72005 lb

Maximum rated torque

2350 Nm

1713 ft-lb

For deep hole over 2000m, recommended minimum torque

1350 Nm

1010 ft-lb

For deep hole over 1000m, recommended minimum torque

950 Nm

712 ft-lb

Recommended minimum torque

590 Nm

434 ft-lb

Theoretical blast pressure at API inner thread end (as per API published 5C3)

49600 kPa

7200 psi

Theoretical blast pressure in API middle part (as per API published 5C3)

75200 kPa

10906 psi

Theoretical collapse pressure of API middle (as per API published 5C3)

73600 kPa

10680 psi

Outer diameter of product

69.9 mm

2.75 in

Inner diameter of product

60.3 mm

2.38 in

Deviation resistance of rod (rigidity)

13120 mm

20.37 in

Bar content weight per unit length (water)

2.8 L/m

0.22 gal/ft

Displacement of rod per unit length (water)

0.85 L/m

0.037 gal/ft