| Type: | Wireline Drill Rod |
|---|---|
| Usage: | Core Drilling |
| Certification: | CE, ISO |
| Material: | Cr-Mo Steel, 4130 |
| Surface Treatment: | Heat Treatment |
| Industry: | Rock Coring Survey |
| Samples: |
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| Customization: |
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Here are some additional details and information about drill rods:
Drill Rod Configurations: Drill rods can be configured in different ways to suit specific drilling requirements. For example, in wireline drilling, the drill rods are designed with a hollow core to accommodate the passage of wireline tools, allowing for efficient sampling or logging of the borehole. In other cases, drill rods may be equipped with special features like built-in survey instruments or sensors for measuring parameters such as inclination, azimuth, or gamma radiation.
Rod Straightness and Alignment: The straightness and alignment of drill rods are critical for achieving accurate and precise drilling results. Bent or misaligned rods can lead to deviations in the borehole trajectory, affecting the intended drilling path. Manufacturers employ quality control measures to ensure the rods meet specified straightness tolerances. Additionally, proper storage and handling practices help maintain the straightness of the rods during transportation and storage.
Rod Handling Safety: Handling drill rods can pose safety risks, especially when dealing with heavy or lengthy rods. It is essential to follow safe handling practices to prevent accidents or injuries. This includes using appropriate lifting equipment, wearing personal protective equipment (PPE) such as gloves and safety boots, and implementing proper manual handling techniques. Training and awareness programs on rod handling safety are crucial for all personnel involved in drilling operations.
Rod Care in Extreme Conditions: In certain drilling environments, such as high-temperature or corrosive conditions, special care must be taken to ensure the longevity of drill rods. Heat-resistant coatings or materials may be used to protect the rods from excessive heat, while corrosion-resistant coatings or alloys can prevent degradation due to chemical exposure. Understanding the specific challenges posed by extreme conditions helps in selecting the appropriate rods and implementing suitable maintenance practices.
Rod Tracking and Inventory Management: Proper inventory management of drill rods is essential to ensure efficient operations and prevent delays due to inadequate supply. Implementing a robust rod tracking system, such as barcoding or RFID tagging, helps monitor the location, condition, and usage history of each rod. This facilitates better inventory control, maintenance scheduling, and replacement planning.
Rod Compatibility with Drilling Methods: Drill rods are designed to be compatible with different drilling methods, such as rotary drilling, diamond core drilling, or reverse circulation drilling. Each drilling method may have specific requirements in terms of rod design, thread type, or connection strength. It is important to select drill rods that are suitable for the chosen drilling method to ensure optimal performance and safety.
Rod Life Cycle and Sustainability: Considering the environmental impact and sustainability of drill rods is becoming increasingly important. Manufacturers are exploring ways to reduce the carbon footprint associated with rod production through energy-efficient manufacturing processes and the use of recycled or eco-friendly materials. Proper disposal or recycling of drill rods at the end of their life cycle helps minimize waste and promotes responsible resource management.
Rod Documentation and Traceability: Maintaining comprehensive documentation and traceability records for drill rods is crucial. This includes recording information such as rod specifications, manufacturing details, inspection reports, maintenance history, and retirement dates. Such records assist in quality control, warranty claims, and regulatory compliance.
Remember, drill rods are critical components in drilling operations, and their proper selection, maintenance, and handling are crucial for safe and efficient drilling. Consulting with drilling experts, manufacturers, or industry-specific resources can provide further guidance on the specific applications, limitations, and best practices related to drill rods.
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 formation issues may cause stuck pipe?
A: Hole sloughing/caving, washouts, reactive shales, lost returns, oversized intervals, ledges, tight spots, fractures around bit if circulation is lost.
Q2: How can poor connections damage drill strings?
A: Fatigue from cyclic stresses, thread wear/damage, corrosion reducing strength, cracking from unintended impacts/over-torque failures when connecting.
Q3: What safety risks exist in coring operations?
A: Breathing toxic fumes, manual lifting strains, pinch points, slips/falls on rig, transport of heavy components, injuries from rotating pressurized BHA elements.
Q4: What can compromise entrained gas samples?
A: Core drying, cracking, contamination altering original state before analysis or loss of reservoir fluids migrating to exposed surfaces during retrieval/handling.
Q5: How can fluid pressures damage cores?
A: Overtraction altering pore structures if unsupported during retrieval, inability to arrest kicks risking sample integrity, incorrect fluid design degrading native properties.
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