| Type: | Impregnated Core Bit |
|---|---|
| Usage: | Coring |
| Certification: | CE, ISO |
| Hardness: | F1-F12 |
| Property: | Impregnated |
| Industry: | Geological Survey |
| Samples: |
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| Customization: |
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Audited Supplier The surface-set diamond drill bit is a widely used drilling tool in the exploration industry, characterized by the following features and construction:
Drill Bit Appearance: Surface-set diamond drill bits are typically made of metallic materials such as steel or alloys. They consist of multiple components, including the drill bit body, cutting structure, and diamond-impregnated layer.
Drill Bit Body: The drill bit body is the main part of the drill bit and is usually made of a sturdy metal material to provide structural stability and durability. It is typically cylindrical in shape, with one end designed for connection to the drill string.
Cutting Structure: The cutting structure is located at the bottom of the drill bit and is responsible for cutting through formations and carrying rock cuttings to the surface. It typically consists of a set of cutting teeth or blades that can cut through formations while rotating.
Diamond-Impregnated Layer: The diamond-impregnated layer is a crucial part of the surface-set diamond drill bit. It is located on the cutting teeth or blades of the cutting structure and is composed of high-hardness diamond particles, which are fixed to the cutting structure through high-strength welding or impregnation processes. The hardness and wear resistance of diamonds enable the drill bit to efficiently drill through hard formations.
Drill Bit Size and Shape: The size and shape of surface-set diamond drill bits can be customized according to specific drilling requirements. Common drill bit diameters range from a few inches to several tens of inches, and the shape can be cylindrical, spherical, conical, etc.
Application Fields: Surface-set diamond drill bits are primarily used in drilling operations in the exploration industry, including oil and gas exploration, geological exploration, and mineral resource exploration. Their role in drilling is to cut through formations, provide borehole stability, and bring rock cuttings to the surface for geological analysis.
In summary, surface-set diamond drill bits are drilling tools with diamond-impregnated layers, used for efficient drilling operations in the exploration industry. Their construction and design aim to provide wear resistance, cutting efficiency, and borehole stability to meet drilling requirements in different formation conditions.
Impregnated diamond core bits have several distinctive features that make them highly effective for drilling in various rock formations. Here are some key features of impregnated diamond core bits:
In addition to these features, impregnated diamond core bits boast several other benefits, such as high core recovery, customization to suit specific drilling requirements, a waterway design for effective cooling and flushing, and various thread options for easy integration. They also offer cost-effectiveness in the long run, reducing the need for frequent bit replacements.
Bit Diameter: The bit diameter refers to the outer diameter of the core bit. It is usually measured in millimeters (mm) or inches (in) and determines the size of the core sample that can be extracted.
Diamond Size and Concentration: The size of the synthetic diamonds embedded in the metal matrix can vary. Smaller diamond sizes are often used for harder rock formations, while larger diamonds may be suitable for softer formations. The diamond concentration refers to the amount of diamonds in the matrix, typically expressed as carats per meter or carats per foot.
Matrix Type: The metal matrix of impregnated diamond core bits can be made of various materials, such as tungsten carbide or other hard alloys. The matrix type affects the overall strength, toughness, and wear resistance of the bit.
Matrix Hardness: The hardness of the metal matrix is an important parameter to consider. It should be optimized to provide a balance between diamond retention and cutting efficiency. The hardness is typically measured on the Rockwell scale or the Vickers scale.
Waterways: Impregnated diamond core bits feature waterways or flushing holes that allow the passage of drilling fluid or water to cool and lubricate the bit during drilling. The number, size, and arrangement of waterways can impact the drilling performance and the effectiveness of debris removal.
Core Recovery: Core recovery refers to the percentage of the intact core sample that is successfully extracted from the rock formation. Impregnated diamond core bits are known for their high core recovery rates, which are influenced by factors such as cutting mechanism, diamond quality, and bit design.
Thread Connection: Impregnated diamond core bits are commonly designed with threaded connections that allow them to be attached to the drill string. The thread type and size should match the drilling equipment being used.
Drilling Speed and Feed Rate: The drilling speed and feed rate are critical parameters that depend on the rock formation, diamond quality, and drilling equipment. Finding the optimal balance between drilling speed and feed rate ensures efficient cutting and prolongs the bit's lifespan.
Impregnated diamond core bits are widely used for many different purposes across various industries. Their versatility and precision make them ideal for drilling and sampling operations, such as Mining Exploration, Geotechnical Engineering, Geological Surveys, Environmental Studies, Construction and Civil Engineering, Oil and Gas Exploration, and Research and Laboratory Analysis.
In mining exploration projects, these bits are employed to gather geological information from mineral deposits. They can also be used to collect core samples from sites undergoing geotechnical engineering and environmental studies, to assess the strength and stability of the soil and the extent of pollutants.
During geological surveys, impregnated diamond core bits are used to examine rock formations and fossil records. For oil and gas exploration, they can be used to obtain core samples from potential reservoirs to determine the hydrocarbon content of the rock formations. Finally, in research and laboratory settings, the samples obtained with these bits can be studied for various mineralogical and geochemical properties.
It is important to take into account the various conditions and requirements of each specific application when using impregnated diamond core bits. In any case, these tools provide invaluable insights for multiple industries.
Hardness table
Rock Type |
Rock Hardness |
Abrasiveness |
Hardness NO. |
Clay,Shale,Ash Stone,Gypsum,Tuff,Serpentinite,Calcite, Coal,Argillite,Volcanics,Sandly Pebble |
Soft |
Medium |
BST 1/3 |
Sandstone,Lithoid Limestone, Limonite |
Medium Soft |
Very High |
BST 3/5 |
Medium Hard Sandstone,Hard Shale, Hard Ash Stone,Dolomitic,Marble,Hard Schist, Hard Streak Stone,Siltstone,Andestite |
Medium |
High |
BST 5/7 |
| Peridotite,Gneiss,Limonite | Medium Hard |
Medium High |
BST 7/9 |
Pegmatite,Schist,Norite,Syenite,Gabbro,Peridotite, Grandiorite,Granite,Basalt,Hard Streak Stone |
Hard |
Medium To Low |
BST 9/11 |
| Amphibolite,Diorite,Rhyolite,Quartzite | Very Hard | Medium To Low | BST 11 |
Silicious,Hard Sandstone,Rhyolite, Dense Quartzite,Ironstone,Taconite,Jasperite,Chert |
Utral Hard |
Low |
BST 14 |
We offer custom Impregnated Diamond Core Bit services for core assembly, core exploration, geotechnical engineering, and more. Our custom core bits are available in a variety of thread types (API, Metric, etc.), impregnation types (oil or wax), and cutter types (impregnated diamond). Our custom Impregnated Diamond Core Bits are perfect for drilling applications.
FAQ
Q: Which countries and regions do you export to?
A: We export products to the Southeast of Asia, Russian speaking nations, Middle East, Africa,South Africa and many other countries and regions globally.
Q: What certificates are required for export products?
A: Mainly CCC quality certificates issued by China Export Commodity Inspection Bureau, ISO and CE, supporting specific national standard certificate upon necessary .
Q: What payment methods do you accept?
A: We accept bank wire transfer, letter of credit, PayPal payment and more.
Q: Is there a minimum order quantity requirement?
A: No MOQ required. We welcome inquiries for all volumes.
Q: Can you provide samples?
A: Yes, please contact us to get samples for evaluation.
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