Outstanding Rigid and Flexible Performance Highly Corrosion-Resistant Quality Wireline Drill Rod

• Type: Wireline Drill Rod
• Usage: Core Drilling
• Certification: CE, ISO
• Material: Cr-Mo Steel, 4130
• Surface Treatment: Heat Treatment
• Industry: Rock Coring Survey
• Model NO.: AQ,BQ,LTK48,NQ,NQ3,HQ,HQ3,PQ,PQ3 NTW, BTW, HTW
• Transport Pack: Iron Bundle
• Product Name: Drilling Rod, Drill Pipe
• Thread Type: Pi, Metric, Dcdma etc.
• Connection: Male/Female
• Surface Finish: Smooth
• Name: Drill Rod, Drill Pipe
• Full Name: Rock Coring Drilling Rod
• Machine Type: Drill Tool
• Application: Oil Mining, Coal Mining, Well Drilling, Ore Minin
• Formation: Medium, Hard, Hard Rock Formation
• Transport Package: Nude/Wooden Case/Carten
• Specification: BQ, NQ, HQ, PQ, SQ
• Trademark: BEST
• Origin: China
• HS Code: 73045120
• Production Capacity: 500000 Pieces/Year

Product Description

Product Description:

 Here are some more details about the usage methods and characteristics of drill rods in the rock coring and drilling industry:

Usage Methods:

1. Auger Drilling: Drill rods are commonly used in auger drilling, where a helical or spiral-shaped drill bit, called an auger, is attached to the drill rods. The rotation of the rods and auger cuts and removes the drilled material, typically used for shallow soil investigations or environmental sampling.
2. Overburden Drilling: Overburden drilling is employed when drilling through unconsolidated or loose soil layers. Drill rods with specialized tools, such as casing shoes or eccentric bits, are utilized to advance through the overburden while simultaneously casing the borehole to prevent cave-ins.
3. Casing Advancement: Drill rods are employed in casing advancement techniques, such as reverse circulation (RC) drilling or sonic drilling. In these methods, the drill rods are used to advance and rotate casing pipes into the ground while simultaneously removing cuttings or maintaining fluid circulation.
4. Rock Blasting: Drill rods are sometimes used in rock blasting operations. They are used to drill holes into the rock formations, where explosives are placed and detonated to break the rock into smaller fragments for excavation or construction purposes.

Usage Characteristics:

1. Rod Diameter and Wall Thickness: Drill rods come in various diameters and wall thicknesses to accommodate different drilling requirements, including the desired borehole diameter, drilling technique, and ground conditions.
2. Stability and Straightness: Drill rods are designed to maintain stability and straightness during drilling operations, ensuring accurate and controlled drilling performance.
3. Wear Protection: Drill rods may feature wear-resistant coatings, such as hard-facing or tungsten carbide inserts, to enhance their longevity and resistance to abrasion in demanding drilling environments.
4. Compatibility with Tooling: Drill rods are engineered to be compatible with a wide range of drilling tooling, such as drill bits, core barrels, reamers, or hammers, allowing for efficient and versatile drilling operations.
5. Rod Joints and Couplings: Drill rods are equipped with threaded or coupled joints that provide secure connections between rod sections, ensuring transmission of torque and axial forces along the entire drilling string.
6. Rod Markings and Identification: Drill rods often have markings or identification codes, such as serial numbers or manufacturer logos, to aid in tracking, quality control, and inventory management.
7. Weight and Handling: Drill rods are designed to be lightweight and ergonomic for ease of handling during assembly, disassembly, and transportation.
8. Environmental Considerations: Sustainable practices, such as using recyclable materials or adopting environmentally friendly coatings, may be employed in the manufacturing of drill rods to minimize their environmental impact.

These additional details offer further insights into the various usage methods and key characteristics of drill rods, showcasing the versatility, performance, and considerations involved in their application within the rock coring and drilling industry.

Parameter table

Size	Outer Diameter (mm)	Inner Diameter(mm)
AQ	44.7	37.3
BQ	55.7	46.1
NQ	70.0	60.2
HQ	89.0	78.0
PQ(PHD)	114.5	101.5
BTW	56.3	48.0
NTW	73.3	64.0
HTW	91.3	81.0
AW/AWJ/AWY	43.7	30.7
BW/BWJ/BWY	54.0	38.0
NW/NWY	66.8	51.0
HW	89.0	71.0
42mm	42.0	30.0
50mm	50.0	37.0
60mm	60.0	48.0
70mm	73.0	54.6
90mm	89.0	69.0
S75A	71.0	60.0
S95A	89.0	78.0
S110	110.0	98.0
S130	129.0	117.0

 

 

Name:	Wireline Drill Rod
Product Basic parameters
Model:	AQ,BQ,LTK48,NQ,NQ3,HQ,HQ3,PQ,PQ3 NTW, BTW, HTW
Material:	Alloy Steel Tubing
Dimensions:	0.5,1m, 1.5m,  2m,2.5,3m length or customized
Color:	Black or customized
Applications:	Drilling Tools
Standard:	ISO-9001
Application:	Mining or geological Drilling

 

Rod Model	OD (mm)	ID (mm)	Thread Pitch(mm)	Pin Length(mm)	Rod Length(m)	Unit Bundle Qty (pcs)
BAU(Q)	55.6	46.1	8.5	44.5	3	19/25/30
NAU(Q)	69.9	60.3	8.5	44.45	3	19/25/30
HAU(Q)	88.9	77.8	8.5	44.45	3	19/25/30
BRAU(RQ)	55.6	46.1	8.5	42	3	19/25/30
NRAU(RQ)	69.6	60.3	8.5	42	3	19/25/30
HRAU(RQ)	88.9	77.8	8.5	42	3	19/25/30
PHD	114	102	10.2	63	3	79/25/30

 

 

FAQ:

Q1: What is the purpose of drilling mud or fluid?
A: Drilling fluid circulates down the hollow drilling rods and back up the outside of the drill string and hole. Its purposes are to lubricate the bit, remove cuttings from the bottom of the hole, suspend cuttings if needed, control downhole pressure, and cool/ lubricate the drill bit.

Q2: What types of drilling fluid are commonly used?
A: Common drilling fluid types include: water-based mud, oil-based mud, synthetic-based mud, foam, air/foam, and mist/foam. The type used depends on factors like geology, environment, well conditions etc. Water-based is most common.

Q3: What is the purpose of mud motor or turbine?
A: A positive displacement mud motor or turbine attached below the drill bit uses the flow of drilling mud to rotate only the bit, while the drill string above remains stationary. This allows for directional or horizontal drilling techniques.

Q4: What are the advantages of using mud motors?
A: Benefits of mud motors include: ability to steer the bit, drill bend sections and curves, provide more weight on bit than rotation alone, separate drill string rotation from bit rotation allowing flexible reaming or underreaming.

Q5: What determines the drill string design?
A: Key factors that determine drill string design include: formation lithology, well geometry, required depth, drilling method, borehole conditions, drilling fluid properties, hole size, penetration rate needed, equipment limitations etc. Proper design is critical.

 

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