NRQ drill rod

NRQ drill rod, NRQ wireline drill rod, NRQ coring rod.

NRQ wireline drill rod play an important part in N size wireline drilling. It provides the channel for NRQ inner tube assembly. It also transits the torque, drill pressure in complex and harsh conditions.

NRQ wireline drill rod tubing

High quality alloy steel tubing

Good concentricity, straightness and heat treatment

Tubing properties meet the industry standard

NRQ wireline drill rod thread

Improved NRQ tapered, course threads (3 threads per inch) ,increased taper and a reverse angle load flank provides an interlocking joint with increased strength and anti-jamming for easier make-up.

Load efficiency of 50% provides sufficient strength for most drilling conditions

NRQ wireline drill rod heat treatment

Provides higher material strength

Whole rod Heat treated significantly increases rod life

NRQ wireline drill rod case hardening

NRQ Pin thread crest is hardened to nominal 50-55 HRC to eliminate damagingadhesion wear

Eliminates the transfer of wear material back and forth as seen between threads of equal

hardness, leading to large scale galling and joint seizing

NRQ wireline drill rod overview

NRQ drill rod overview.jpg

NRQ wireline drill rod thread profile

RQ thread.jpg

NRQ wireline drill rod parameters

SIZE

OUTER DIAMETER

(mm)

INNER DIAMETER

(mm)

WEIGHT

(kg/3m)

THREAD PITCH

(mm)

PIN LENGTH

(mm)

NRQ

69.9

60.3

23.4

8.5

41.91

NRQ wireline drill rods bundle specifications

3.0 m rod bundle (19 pcs)

Approx Dimensions (L x W x H)(mm)

3100 x 400 x 400

Approx Volume(m³)

0.50

Approx Gross Weight(kg)H

470

NRQ wireline drill rods container shipments

20 ft container

Approx load of 3.0 m rods 32 bundles (608 pcs)

40 ft container

Approx load of 3.0 m rods 45 bundles (855 pcs)


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