| Type: | Wireline Drill Rod |
|---|---|
| Usage: | Core Drilling |
| Certification: | CE, ISO |
| Material: | Cr-Mo Steel, 4130 |
| Surface Treatment: | Heat Treatment |
| Industry: | Rock Coring Survey |
| Samples: |
|---|
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier Some additional details about drill rods in the drilling industry:
Wear Protection: In drilling operations, drill rods are subjected to abrasive wear due to contact with the rock formations being drilled. To mitigate wear and extend the lifespan of drill rods, various wear protection methods can be employed. These include applying hard-facing materials to the outer surface of the drill rod or using wear-resistant coatings. These protective measures help reduce the erosion and wear caused by the drilling process.
Drill Rod Configurations: Drill rods can be configured in different ways to suit specific drilling techniques and requirements. Some common drill rod configurations include:
Single-piece Drill Rods: Single-piece drill rods consist of a single continuous rod without any threaded connections. They are commonly used in certain drilling methods such as wireline coring, where the entire drill string is lowered and retrieved as a single unit.
Multiple-piece Drill Rods: Multiple-piece drill rods are made up of several shorter sections that are connected together using threaded connections. This configuration allows for flexibility in adjusting the length of the drill string and facilitates easier transportation and storage.
Hollow Drill Rods: Hollow drill rods have a hollow core, allowing for the circulation of drilling fluid through the center of the rod. This enables the drilling fluid to cool the drill bit, carry away cuttings, and maintain pressure during drilling operations.
Solid Drill Rods: Solid drill rods do not have a hollow core and are primarily used in certain drilling methods, such as diamond drilling, where the circulation of drilling fluid is not required.
Drill Rod Handling Equipment: Specialized equipment is used to handle drill rods safely and efficiently. Some common drill rod handling equipment includes:
Rod Racks: Rod racks are used to store and organize drill rods when they are not in use. They provide a convenient and safe way to store the rods, preventing damage and facilitating easy access during drilling operations.
Rod Handlers: Rod handlers are mechanical devices designed to lift and handle drill rods. They help reduce manual handling and the risk of injuries, improving the efficiency and safety of drill rod operations.
Rod Tongs: Rod tongs are wrench-like tools used to tighten or loosen threaded connections on drill rods. They provide a secure grip on the drill rod connections, allowing for proper torqueing during assembly and disassembly.
Drill Rod Management: Proper management of drill rods is essential for optimizing drilling operations. This includes:
Inventory Management: Maintaining an accurate inventory of drill rods ensures that an adequate supply is available for drilling projects. It helps prevent delays in operations and ensures the timely replacement of worn or damaged drill rods.
Tracking and Maintenance: Implementing a tracking system for drill rods helps monitor their usage, inspection schedules, and maintenance requirements. Regular maintenance, including cleaning, inspection, and replacement of worn or damaged components, helps prolong the lifespan of drill rods and ensures their reliability.
Quality Control: Implementing quality control measures, such as inspection and testing of newly acquired drill rods, helps ensure that they meet the required specifications and quality standards. This helps prevent the use of substandard or faulty drill rods that could compromise drilling operations.
Advancements in Drill Rod Technology: The drilling industry constantly seeks advancements in drill rod technology to improve drilling efficiency and performance. Some ongoing developments include:
Lightweight Drill Rods: Lightweight drill rods made from advanced composite materials or alloys are being developed to reduce the weight of the drill string, making drilling operations more efficient and cost-effective.
Enhanced Thread Designs: Manufacturers are continuously improving thread designs to enhance the strength, durability, and ease of use of drill rod connections. Innovative thread profiles and coatings are being developed to minimize thread damage, improve sealing, and reduce the risk of connection failures.
Integrated Sensor Technology: Sensor technology is being integrated into drill rods to monitor various parameters during drilling operations, such as torque, weight on bit, vibration, and temperature. This data helps optimize drilling performance, prevent equipment failures, and ensure safety.
Drill rods play a vital role in drilling operations, and advancements in their design, materials, and handling continue to enhance drilling efficiency, safety, and environmental sustainability. By staying updated with the latest developments and adhering to best practices in drill rod management, drilling professionals can maximize the performance and longevity of drill rods, contributing to successful drilling projects in various industries.
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: How are drilling rods handled safely?
A: Proper lifting techniques and equipment such as overhead cranes or pipehandling machines should always be used when handling heavy drilling rods. Gloves help prevent pinched fingers. Clear the area and watch for pinch points when assembling the drill string.
Q2: What is the purpose of drill collars?
A: Heavy thick-walled drill collars placed at the bottom of the drill string above the bit are used to provide weight on bit and transmit high torque needed for drilling harder formations.
Q3: How does wear affect drilling rods?
A: Over time drilling rods experience wear from abrasive rock cuttings and friction during rotation. Thinning walls and thread damage reduces strength and increases break risk, so rods need periodic inspection and replacement as needed.
Q4: What causes drilling rod failures?
A: Common causes include: fatigue, abrasive wear, thread damage, corrosion, impacts, over-torque, and manufacturing defects. Proper inspection and replacement prevents failures.
Q5: How are damaged or worn drilling rods replaced?
A: To replace a rod, the drill string is pulled up out of the hole. Each rod is then spin-broken or jarred loose using a power tool. The damaged rod can then be removed and replaced.
BEST "wireline drill roid" gallery
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}