RCQ Drill Rod
RCQ series drill rods undergoes technical upgrading on the basis of AU drill rods. Well drilling capability is improved and well drilling cost is decreased due to its stable and reliable connection. RCQ drill rod including HRCQ( HRQ) drill rod 88.9mm, NRCQ (NRQ) drill rod 69.9mm, BRCQ (BRQ) drill rod 55.6mm these series.

RCQ Thread ( BRCQ/BRQ, NRCQ/NRQ), HRCQ/HRQ)

Pipe Body: Quality alloy steel pipe is adopted and 100% test is conducted for each raw material to ensure completely concentricity, straightness and heat treatment.
Thread: RCQ thread drill rods adopt taper (3 threads per inch) connection and taper and reverse load angle are increased simultaneously to enhance connection strength and making up and breaking convenience.
Heat Treatment: The whole undergoes heat treatment process to improve service life of rods. Threads at both ends of the product undergo special process treatment on the basis of CQ series product to improve about 175% of material strength to further improve strength of material. Service life of inner thread improves obviously.
Thread Surface Hardening: after special process treatment, outer thread surface hardness is up to about 60HRC, which further improves service life of the product;
Good RCQ thread product series provides high performance, strength and quality assurance for rope coring, enjoying wide application.
RAU Drill Rod Sizes Available: B N and H
| Description | Code | O.D (mm) | I.D (mm) | N.W (kg) | G.W (kg) | Thread Pitch (mm) | Thread Length (mm) | Rated Depth | Max. Rated Torque | Max Tensile Force |
HRCQ-10' | 20300101 | ¢88.9 | ¢77.8 | 34.76 | 35.56 | 8.47 | 42 | 2500m (8200ft) | 3500Nm | 510kN (115000 lbf) |
HRCQ-3M | 20300102 | ¢88.9 | ¢77.8 | 34 | 34.8 | 8.47 | 42 | |||
HRCQ-5' | 20300103 | ¢88.9 | ¢77.8 | 17.38 | 18.17 | 8.47 | 42 | |||
HRCQ-1.5M | 20300104 | ¢88.9 | ¢77.8 | 17.1 | 17.9 | 8.47 | 42 | |||
NRCQ-10' | 20300201 | ¢69.9 | ¢60.3 | 23.9 | 24.3 | 8.47 | 42 | 3000m (9800ft) | 2400Nm (1750ft-lb) | 330kN (75000 lbf) |
NRCQ-3M | 20300202 | ¢69.9 | ¢60.3 | 23.5 | 23.9 | 8.47 | 42 | |||
NRCQ-5' | 20300203 | ¢69.9 | ¢60.3 | 11.95 | 12.35 | 8.47 | 42 | |||
NRCQ-1.5M | 20300204 | ¢69.9 | ¢60.3 | 11.76 | 12.16 | 8.47 | 42 | |||
BRCQ-10' | 20300301 | ¢55.6 | ¢46.2 | 18.4 | 19.1 | 8.47 | 42 | 3000m (9800ft) | 1500Nm (1000ft-lb) | 250kN (56250 lbf) |
BRCQ-3M | 20300302 | ¢55.6 | ¢46.2 | 18 | 18.8 | 8.47 | 42 | |||
BRCQ-5' | 20300303 | ¢55.6 | ¢46.2 | 9.2 | 9.55 | 8.47 | 42 | |||
BRCQ-1.5M | 20300304 | ¢55.6 | ¢46.2 | 9 | 9.4 | 8.47 | 42 | |||
Note:
1. Our RCQ thread drill rods have the same performance with the RQ rods (NRQ /HRQ drill rods) from BLY.
2. RQ is the trademark from Boart Longyear, here we quoted for helping customer to select the drill rods only.
Wireline Coring Drill Rods: RCQ Drill Rods Overview
* Material : 4130
* Tubing
• High quality alloy steel tubing
• Consistent concentricity, straightness and heat treatment
• All tubing available in DCDMA sizes
* Thread
• Tapered, course threads (3 threads per inch) provides easy make and break
• Load efficiency of 30% provides sufficient strength for average applications
* Thru-wall Heat Treatment
• Provides 140% material strength
• Heat treated box threads significantly increases thread wear life
* Case Hardening
• Significant research, development and field testing have resulted in a hardening process that is unequalled.
• Pin thread crest is hardened to nominal 55 HRC to eliminate damaging adhesion wear
• Eliminates the transfer of wear material back and forth which is what happens between threads of equal hardness, leading to large scale galling and joint seizing
Note: For making sure the performance of the drill rods, never mix our rods with any another manufacturer's rods together, also it may cause machinery failures and catastrophic accident.
Packing Details
BRCQ (BRQ) Drill Rods Bundle Specifications
| Dimensions (L x W x H) | Volume | Gross Weight | QTY |
3150 x 292 x 254 mm | 0.23m3 | 283kg | 19pcs/bundle |
* 20 ft container load of 3.0 m/10 ft drill rods holds 53 bundles (1007 rods)
* 40 ft container load of 3.0 m/10 ft drill rods holds 68 bundles (1292 rods)
NRCQ (NRQ) Drill Rods Bundle Specifications
| Dimensions (L x W x H) | Volume | Gross Weight | QTY |
3100x360x320mm | 0.36m3 | 455kg | 19 pcs/bundle |
* 20 ft container load of 3.0 m/10 ft drill rods holds 30 bundles (570 rods)
* 40 ft container load of 3.0 m/10 ft drill rods holds 45 bundles (855 rods)
HRCQ (HRQ) Drill Rods Bundle Specifications
| Dimensions (L x W x H) | Volume | Gross Weight | QTY |
3100x460x420mm | 0.58m3 | 659kg | 19 pcs/bundle |
* 20 ft container load of 3.0 m/10 ft drill rods holds 20 bundles (380 rods)
* 40 ft container load of 3.0 m/10 ft drill rods holds 30 bundles (570 rods)
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