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N/WL Reaming shell heavy duty type with high density natural diamond for wireline coring drilling

Material: Natural Diamond,Synthetic Diamond,TSP

Standard: DCDMA Standard/ Q Standard

Application: Reaming Shells Are Designed To Be Placed Behind The Bit To Ensure Hole Gauge And To Help Core Barrel Stabilization. Reaming The Hole, Acts As A Stabilizer During Drilling In The Hole, Especially For Wireline Coring Drilling

Advantage: Top Wear Resistant Property, Optimum Stabilizing And Reaming Performance.

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High Efficiency Core Drill Accessories , Core Drill Water Swivel For Drilling

Materials:High-quality Materials

Use:Drilling

Frame:Compact Frame

Feature:High Efficiency

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Turbo Profile Impregnated Diamond Core Drill Bits Wire Line Drilling NWL HWl PWL 14mm

Feature:Suitable For Fractured Formation, When Need Complete Core

Advantage:Factory Direct & Competitive Price, High-efficiency, Imporved Efficiency, Cutting Life And Operator Safety, Friendly Surrondings

Standard:DCDMA Standard/ Q Standard

Available Size:B/WL N/WL H/WL P/WL B/WL-3 N/WL-3 H/WL-3 P/WL-3

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Taper Profile Long Core Drill Bit High Working Efficieney Made Of Steel

Service:OEM&ODM, (within 24hours)quick Response, ODM, OEM, Customized

Advantage:Factory Direct & Competitive Price, High-efficiency, Imporved Efficiency, Cutting Life And Operator Safety, Friendly Surrondings

Standard:DCDMA Standard/ Q Standard

Available Size:B/WL N/WL H/WL P/WL B/WL-3 N/WL-3 H/WL-3 P/WL-3

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PQ Impregnated Diamond Core Bit W profile for wireline coring (OD:122.05mm, ID:84.96mm)

Advantage:Factory Direct & Competitive Price, High-efficiency, Imporved Efficiency, Cutting Life And Operator Safety, Friendly Surrondings

Standard:DCDMA Standard/ Q Standard

Available Size:B/WL N/WL H/WL P/WL B/WL-3 N/WL-3 H/WL-3 P/WL-3

Name:H/WL-3, W-Profile Impregnated Diamond Bit

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Overshot Assembly NQ

Product Name:NQ Overshot Assembly For Wireline Coring Drilling

Standard:DCDMA

Avalilable Size:BQ NQ HQ And PQ

Application:Overshot Assembly Is A Kind Of Tool Specially Used To Salvage And Place Inner Tube Assembly. At Present, We Have Four Kinds Of Q Series Overshot Assembly: BQ, NQ, HQ And PQ

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P / WL W Profile Impregnated Diamond Core Bit , High Efficieney Core Hole Drill Bits

Service:OEM&ODM, (within 24hours)quick Response, ODM, OEM, Customized

Advantage:Factory Direct & Competitive Price, High-efficiency, Imporved Efficiency, Cutting Life And Operator Safety, Friendly Surrondings

Standard:DCDMA Standard/ Q Standard

Available Size:B/WL N/WL H/WL P/WL B/WL-3 N/WL-3 H/WL-3 P/WL-3

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High Reliability Impregnated Diamond Core Drill Bits DCDMA BC NC NC3 HC HC3 PC3

Material:Steel

Application:Wireline Core Drilling, Geological Drilling

Feature:High Reliability

Certification:ISO:9001-2000

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About us

Your Professional & Reliable Partner.

CGE Group Wuxi Drilling tools Co.,Ltd. (formerly named Wuxi drilling tool factory Co., Ltd) was founded in 1958, which is a state-owned leading enterprise . We’re the strategic partner of Atlas Copco ( Epiroc) since 2012.Our company covers 120 mu and has a total assets around 20000 million Rmb. We have around 200 employees, including 10 technicians.The main products we manufactured are listed as bellow:1.China national standard coring drill system products2.DCDMA standard products: A, B, N, H, Q ...

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Year Established

Million⁺

Employees

Million⁺

Annual Sales

HIGH QUALITY

Trust Seal, Credit Check, RoSH and Supplier Capability Assessment. company has strictly quality control system and professional test lab.

DEVELOPMENT

Internal professional design team and advanced machinery workshop. We can cooperate to develop the products you need.

MANUFACTURING

Advanced automatic machines, strictly process control system. We can manufacture all the Electrical terminals beyond your demand.

100% SERVICE

Bulk and customized small packaging, FOB, CIF, DDU and DDP. Let us help you find the best solution for all your concerns.

Quality Diamond Core Bit & Drill Pipe Rod manufacturer

Find Products That Better Meet Your Requirements.

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The Latest Hot Spots

Diamond Drill Bits for Rock Drilling: How to Improve Drilling Efficiency and Extend Service Life

Diamond drill bits for rock drilling are widely used in geological exploration, mining, and water well drilling. Their powerful drilling capability and long service life make them indispensable tools in drilling operations. However, how to improve drilling efficiency and extend the service life of diamond drill bits has always been a key issue in the drilling industry. Below are some methods to improve drilling efficiency and extend the service life of drill bits: Choose the Right Drill Bit Model: Select the appropriate diamond drill bit model based on the type and hardness of the rock formation being drilled. Overly hard or soft formations can lead to rapid wear or low drilling efficiency. Optimize Drilling Parameters: Parameters such as drilling speed, pressure, and coolant flow directly affect drilling efficiency and drill bit life. Adjusting appropriate parameters based on the drilling environment can effectively improve drilling efficiency and reduce wear on the drill bit. Regular Maintenance and Inspection: Regularly check the wear condition of the drill bit to ensure that it does not have cracks or damage. Timely replacement of severely worn drill bits can prevent the drilling efficiency from being affected. Use High-Quality Diamond Materials: High-quality diamonds improve the cutting ability of the drill bit and reduce wear, thus extending the life of the drill bit. Focus on Operating Techniques: The operating skills of the operator also have a significant impact on the service life of the drill bit. Proper drilling operations can reduce excessive wear on the drill bit and ensure smooth drilling operations.

2025

07/02

Advantages and Application Analysis of Diamond Drill Bits in Mining

Diamond drill bits are increasingly being used in mining operations, especially when faced with hard rocks. With their exceptional hardness and cutting ability, diamond drill bits have become a key tool in mining. The unique advantages of diamond drill bits not only improve the efficiency of mining operations but also extend the life of the tools. Below is an analysis of the advantages and applications of diamond drill bits in mining: Exceptional Hardness and Cutting Ability: Diamond drill bits are made from diamonds and a metal matrix. The extreme hardness of diamonds allows the drill bits to easily penetrate hard rock and dense mineral layers. Whether it’s quartzite, granite, or other hard rocks, diamond drill bits can efficiently complete drilling tasks. Extended Service Life: During the drilling process, the diamond layer of the drill bit continuously exposes new diamonds, maintaining the drill bit's cutting ability and extending its service life. This reduces the frequency of drill bit replacement, lowering mining costs. Improved Drilling Efficiency: Diamond drill bits maintain a high drilling speed in various rock types, significantly improving mining efficiency. Efficient drilling means shorter construction cycles, accelerating the extraction of mineral resources. Adaptability to Complex Geological Conditions: Mining operations often face complex geological environments. Diamond drill bits are adaptable to various formations, including hard rock layers, soft rock layers, and fragmented zones. They can maintain stable drilling performance under different geological conditions. High-Quality Core Sampling: Diamond drill bits are capable of collecting high-quality core samples, which is critical for the exploration and analysis of mineral resources. Accurate core samples help to better understand the distribution of mineral deposits and the properties of the ores, providing a scientific basis for subsequent mining operations.

2025

07/02

How to Choose the Right Diamond Drill Bit for Oil and Gas Exploration and Water Well Drilling

Choosing the right diamond drill bit is crucial for oil and gas exploration and water well drilling projects. Diamond drill bits can effectively handle different geological conditions, improve drilling efficiency, and reduce costs. Therefore, understanding how to choose the right diamond drill bit based on project requirements is essential. Here are some key factors to consider when selecting the right diamond drill bit: Formation Hardness: The hardness of the formation directly affects the choice of drill bit. For soft rock layers (such as clay and sandstone), standard diamond drill bits can be used. However, for hard rock formations (such as granite and quartzite), drill bits with high-density diamond particles and specialized metal matrices are required to handle the cutting demands of hard rock. Drill Bit Size: The size of the drill bit should be chosen based on the required hole diameter. Typically, water well drilling requires smaller drill bits, while oil and gas exploration drilling requires larger drill bits to accommodate deeper drilling needs. Cooling System: An efficient cooling system helps reduce the temperature of the drill bit and prevents overheating and wear. It is particularly important to choose diamond drill bits with excellent cooling performance when drilling in hard rock formations, where high temperatures are more likely to occur. Service Life of the Drill Bit: Depending on the drilling depth and duration, choosing a diamond drill bit with a longer service life can reduce the frequency of bit replacement and lower overall drilling costs. High-quality diamond materials and proper design can extend the drill bit’s service life. Custom Design: Based on the specific geological conditions of oil and gas exploration and water well drilling, the design of the drill bit can be customized. By adjusting the size and distribution of diamond particles, as well as the cooling system, the drill bit can be tailored to meet the needs of different formations.

2025

07/15

N/WL Reaming shell heavy duty type with high density natural diamond for wireline coring drilling

High Efficiency Core Drill Accessories , Core Drill Water Swivel For Drilling

Turbo Profile Impregnated Diamond Core Drill Bits Wire Line Drilling NWL HWl PWL 14mm

Taper Profile Long Core Drill Bit High Working Efficieney Made Of Steel

PQ Impregnated Diamond Core Bit W profile for wireline coring (OD:122.05mm, ID:84.96mm)

Overshot Assembly NQ

P / WL W Profile Impregnated Diamond Core Bit , High Efficieney Core Hole Drill Bits

High Reliability Impregnated Diamond Core Drill Bits DCDMA BC NC NC3 HC HC3 PC3

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