| 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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Some additional details and information about drill rod:
Rod Stabilization: In certain drilling scenarios, such as in loose or unconsolidated formations, drill rods can serve the purpose of stabilizing the borehole. By extending the length of the drill string, the rods help prevent hole collapse or sloughing of the surrounding formation, ensuring the integrity of the borehole.
Rod Retrieval and Reuse: After the coring process is complete, the drill rods are retrieved from the borehole. This is typically done by reversing the drilling process, retracting the rods while keeping the core sample intact within the core barrel or inner tube. The retrieved drill rods can be inspected, cleaned, and reused in subsequent drilling operations, provided they meet the required safety and performance standards.
Rod Management and Inventory Control: Proper management of drill rods is essential for efficient drilling operations. Maintaining an accurate inventory of drill rods helps ensure an adequate supply for ongoing projects and prevents delays due to shortages. Implementing a rod tracking system, including unique identification codes or RFID tags, can streamline inventory management and facilitate easy identification of specific rods.
Rod Compatibility with Downhole Tools: Drill rods need to be compatible with various downhole tools and accessories used during drilling operations. These tools may include core barrels, reaming shells, or casing shoes. Ensuring compatibility between the drill rods and downhole tools is crucial for efficient and effective drilling, as it allows for smooth transitions and reliable connections between different components.
Rod Handling Safety: Safety is of utmost importance when handling drill rods. Proper training and adherence to safety protocols are necessary to prevent accidents and injuries. Operators should wear appropriate personal protective equipment (PPE) and follow best practices for lifting, carrying, and securing drill rods. Handling equipment, such as rod handlers or rod racks, should be used whenever possible to minimize manual handling risks.
Rod Design for Specific Applications: Depending on the drilling requirements, specialized drill rods may be used. For example, in directional drilling operations, flexible or steerable drill rods are employed to navigate complex trajectories. These rods have enhanced flexibility or angulation capabilities, allowing for precise control over the drilling path.
Rod Performance Monitoring: Continuous monitoring of drill rod performance can help identify potential issues before they escalate. This can involve inspecting the threads for wear or damage, monitoring the torque applied during drilling, or analyzing drilling parameters such as weight on bit (WOB) or rotational speed. By tracking and analyzing this data, operators can optimize drilling performance and detect any abnormal conditions that may require corrective action.
Research and Development: Ongoing research and development efforts are focused on improving drill rod design, materials, and performance. This includes developing advanced alloys, optimizing thread designs for enhanced strength and durability, and exploring innovative methods for rod inspection and maintenance. These advancements aim to enhance drilling efficiency, reduce downtime, and improve overall drilling outcomes.
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: Why is representative coring important in HSE sensitive areas?
A: Addressing regulatory or community concerns in protected environmental or culturally sensitive domains requires a robust scientific defense. Methodical collection of high quality cores ensures characterization is based on location-specific hard data versus generalized formations to minimize consent/permitting risks.
Q2: How do sidewall cores benefit coring programs?
A: They provide flexibility to spot sample zones missed during continuous core runs or additions where core quality deteriorated. This helps fill gaps and prevent poor data obscuring critical zones when integrated with full-diameter cores for correlation/validation.
Q3: What value does coreProvide for field exploration programs?
A: Early appraisal of hydrocarbon indicators, fluid contacts and potential pay identifies new reservoirs and leads to additional seismic/well commitments. Historical core archives also guide lease acquisition of additional acreage potential based on depositional/structural models proven by physical samples.
Q4: How does coring support facility/pipeline routing?
A: Identifying shallow ground conditions, subsurface voids/hazards and evaluating drilling/frac barriers supports optimizing placement/design of production manifolds, flowlines and pipelines to avoid troublesome geology and protect sensitive environments throughout field development.
Q5: What training benefits does coring provide?
A: For learning institutions, archived cores serve as field trip educational tools. Operators also gain practical experience for less experienced staff to learn geological and engineering evaluation skills through hands-on experience examining reservoir core as a training supplement.
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