Custom TCI Bit Manufacturer in China

We offer a comprehensive range of TCI (Tungsten Carbide Insert) bits, engineered for superior performance across diverse drilling applications. Our selection includes various sizes, IADC codes, and bearing types, ensuring optimal penetration rates and extended bit life in soft, medium, and hard formations. Customize your solution for peak drilling efficiency.

Sinodrills - Your Trusted TCI Bit Manufacturer from China

Sinodrills, a leading TCI bit manufacturer from China, offers tricone bits designed for diverse drilling conditions. Established in 2006, we leverage advanced manufacturing and strict ISO9001 quality control to ensure superior performance and extended lifespan. Our TCI bits deliver optimal penetration rates, making us a trusted partner for mining, construction, and well drilling worldwide.

Various TCI Bit

tricone bits

We offer a comprehensive selection of tricone bits, renowned for their versatility and efficiency in diverse drilling conditions. Our range includes various sizes and IADC codes, featuring both steel tooth (milled tooth) and TCI (Tungsten Carbide Insert) designs. Each bit is engineered for optimal penetration, durability, and a longer lifespan, ensuring cost-effective drilling in soft, medium, and hard rock formations.

forged collar tapper rods

At Sinodrills, we offer a range of 3 ½” TCI tricone bits, specifically designed for optimal performance in diverse rock formations. Our bits feature high-quality tungsten carbide inserts, advanced bearing structures, and enhanced gauge protection for superior drilling efficiency and extended lifespan. We provide customized solutions to meet your specific drilling demands, ensuring reliable and cost-effective operations.

16"(406mm) TCI tricone rock roller cone bit

We offer 16″ (406mm) TCI tricone rock roller cone bits, designed for optimal performance in diverse rock formations. Our bits feature robust tungsten carbide inserts for extended life and superior penetration, combined with advanced bearing and sealing systems for reliability. Ideal for oil & gas, water well, mining, and geothermal drilling, these bits maximize efficiency and reduce drilling costs.

steel TCI drill bit for well

We offer robust steel TCI drill bits specifically designed for well drilling applications. Our TCI bits utilize premium tungsten carbide inserts, meticulously arranged for optimal cutting action and wear resistance in various rock formations. With advanced bearing designs and superior gauge protection, our bits ensure extended lifespan and efficient penetration, delivering reliable performance for your water well projects.

9 1/2 inch TCI tricone bits for water well drilling

At Sinodrills, we offer a comprehensive range of 9 1/2 inch TCI tricone bits specifically designed for water well drilling. Our bits feature robust tungsten carbide inserts, advanced bearing structures (sealed and non-sealed options), and optimized cutting designs to ensure maximum penetration rates and extended tool life in various geological formations, from soft shale to hard limestone.

TCI tricone drill bit

We offer a diverse selection of TCI (Tungsten Carbide Insert) tricone drill bits, designed to optimize drilling performance across various geological formations. Our range includes bits with different IADC codes, bearing types (sealed and open), and cutting structures, ensuring superior penetration rates and extended lifespan. We provide customized solutions for soft, medium, and hard rock, meeting the demands of your specific drilling projects.

3 7/8 inch TCI tricone bit

We offer premium 3 7/8 inch TCI tricone bits, specifically designed for efficient drilling in various rock formations. Our bits feature high-quality tungsten carbide inserts for enhanced durability and optimal penetration rates. With sealed journal bearings, they ensure extended bit life and reliable performance in demanding conditions. Perfect for water well, mining, and geological exploration.

roller cone TCI drill tricone bits for water well drilling

Sinodrills offers a comprehensive selection of roller cone TCI tricone bits specifically designed for water well drilling. Our bits feature high-strength tungsten carbide inserts for superior wear resistance and optimized cutting structures for efficient penetration in various geological formations, from soft to hard. We ensure reliable performance and extended bit life, helping you achieve cost-effective and productive water well projects.

Customize Your Desired TCI Bit

Bit Size and IADC Code

We offer a wide range of bit sizes to match your specific drilling requirements, from small diameter exploration holes to large production wells. Coupled with this, we provide various IADC (International Association of Drilling Contractors) codes, allowing you to select the optimal cutting structure and insert geometry for the rock formation you’re drilling, ensuring maximum efficiency.

Bearing Type

We provide different bearing types to suit your operational needs and desired bit life. Options include sealed journal bearings for extended life in demanding conditions, sealed roller bearings for a balance of durability and cost-effectiveness, and open roller bearings for more abrasive formations or when a shorter run is acceptable.

Tungsten Carbide Insert (TCI) Selection

We offer a diverse selection of tungsten carbide insert shapes and grades. This allows for customization based on rock hardness and abrasiveness. Choose from chisel inserts for soft formations, conical inserts for medium formations, or spherical inserts for hard and abrasive rock, optimizing penetration and wear resistance.

Nozzle Configuration

We provide various nozzle configurations to optimize fluid flow and cuttings removal. This includes standard fixed nozzles, replaceable nozzles for easy maintenance, and customized jetting arrangements. Proper nozzle selection ensures efficient bottom hole cleaning, prevents re-grinding of cuttings, and maximizes drilling penetration rates.

what is TCI?

TCI stands for Tungsten Carbide Insert, and it refers to a type of roller cone drill bit used extensively in drilling applications across various industries like oil & gas, mining, construction, and water well drilling.

These TCI bits are characterized by the presence of extremely hard and wear-resistant tungsten carbide inserts embedded into the cones. As the bit rotates, these inserts crush, chip, and shear the rock formation, making TCI bits highly effective for drilling through a wide range of geological conditions, from soft to the hardest and most abrasive rock types. Their superior durability and ability to maintain cutting efficiency over long drilling intervals contribute to higher penetration rates and reduced downtime.

what is tCI Bit used for?

TCI (Tungsten Carbide Insert) bits are versatile and widely used drill bits known for their exceptional durability and efficiency in penetrating various rock formations. They are a staple in numerous drilling operations where robust and long-lasting performance is critical.

TCI bits are primarily used for:

Oil and Gas Drilling: Essential for drilling through diverse geological strata to extract crude oil and natural gas.
Mining Operations: Employed for drilling blast holes, exploration, and production in various mining applications.
Water Well Drilling: Crucial for penetrating hard rock layers to access groundwater resources for municipal, agricultural, and industrial use.
Construction and Geothermal Drilling: Utilized for foundations, piling, and accessing geothermal energy sources.
Geological Exploration: Used by researchers to gather samples and data for understanding Earth’s subsurface.

How does tCI Bit works?

A TCI (Tungsten Carbide Insert) bit is a type of roller cone drill bit that is widely used in various drilling applications, including oil and gas, mining, and water well drilling. Its effectiveness comes from a combination of mechanical actions that break down rock formations.

Here’s how a TCI bit works:

Components:

Cones: A TCI bit typically has three independently rotating cones.
Tungsten Carbide Inserts (TCIs): These are extremely hard, durable inserts embedded into the surface of the cones. Tungsten carbide is chosen for its high wear resistance and toughness, making it ideal for abrasive rock formations.
Bearings: Each cone has its own bearing system, allowing it to rotate independently as the entire drill string turns. This independent rotation is crucial for the bit’s effectiveness.
Nozzles: The bit also has nozzles that direct drilling fluid (mud) to the bottom of the hole. This fluid helps to cool the bit, lubricate the bearings, and most importantly, carry away rock cuttings.

Drilling Mechanism: TCI bits break rock primarily through a combination of:

Crushing and Impact: As the drill string rotates and downward pressure (weight on bit) is applied, the tungsten carbide inserts repeatedly impact and crush the rock. This creates micro-fractures in the rock, breaking it into smaller pieces.

Shearing/Chipping: As the cones rotate and roll across the bottom of the hole, the inserts also scrape and chip away at the rock formation. This shearing action further disintegrates the rock.

Erosion: The rotational movement of the cones and the flow of drilling fluid contribute to the erosion of the rock surface.

Adaptability: One of the key advantages of TCI bits is their versatility across a wide range of rock formations. The design of the tungsten carbide inserts can be customized:

Long, sharp teeth: Ideal for softer formations where they can easily penetrate and cut.

Short, blunt teeth: Better suited for harder, more abrasive formations, providing the strength needed to crush tough rock.

Efficiency and Durability:

High Wear Resistance: The use of tungsten carbide inserts provides excellent resistance to wear, which translates to longer bit life and less downtime for bit changes.

Optimized Performance: The design allows for a small contact area between the inserts and the rock, leading to high specific pressure and efficient penetration.

In essence, the TCI bit operates by rotating and applying pressure, causing its hard tungsten carbide inserts to continuously impact, crush, chip, and shear the rock, effectively drilling through various geological formations

What is the difference between TCI and mill tooth?

TCI (Tungsten Carbide Insert) and mill tooth bits are both types of roller cone drill bits, but they differ significantly in their cutting structures and the rock formations they are designed for.

Understanding these differences is crucial for selecting the most effective bit for a given drilling project.

Cutting Structure

A TCI bit features hard, cylindrical or spherical tungsten carbide inserts pressed into the cone’s surface. These inserts are extremely wear-resistant. In contrast, a mill tooth bit has teeth that are milled directly from the steel of the bit cone itself. These steel teeth are integral to the cone structure.

Formation Suitability

TCI bits are highly effective in drilling through a wide range of formations, from soft to extremely hard and abrasive rocks. Their durable inserts can withstand the crushing and grinding actions required for tough formations. Mill tooth bits, with their steel teeth, are generally more suitable for softer to medium-hard formations where their cutting and gouging action is efficient. They can wear down quickly in highly abrasive conditions.

Drilling Mechanism

TCI bits primarily break rock through a combination of crushing, impact, and shearing. The hard tungsten carbide inserts act like miniature hammers, pulverizing the rock. Mill tooth bits, on the other hand, rely more on a gouging and scraping action, similar to chiseling, to cut and remove rock cuttings.

Durability and Lifespan

Due to the superior hardness and wear resistance of tungsten carbide, TCI bits typically have a much longer lifespan and maintain their cutting efficiency for extended periods, especially in abrasive formations. Mill tooth bits, being made of softer steel, tend to wear out faster, particularly in hard or abrasive rock, requiring more frequent bit changes.

Cost

Generally, TCI bits are more expensive to manufacture than mill tooth bits due to the cost of tungsten carbide and the specialized process of inserting the teeth. However, their longer lifespan and higher penetration rates in challenging formations can often result in a lower overall cost per foot drilled.

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All-in-one TCI Bit Solutions for Your Project

Leverage our all-in-one TCI bit solutions for superior drilling performance across diverse formations. Our high-quality Tungsten Carbide Insert bits deliver exceptional durability, extended life, and faster penetration rates. We offer customized designs to optimize efficiency and minimize costs for your specific project, from soft to ultra-hard rock applications.