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Black Eccentric Casing System Odex240

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Product Description

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Basic Info.

Model NO.

ODEX240

Shank

DHD/SD/Mission/Ql

Quality

Best

Rock Formation

Soft, Middle, Hard

Use

Water Well Drilling, Mining, Exploration, etc.

Transport Package

Ply-Wooden Cases

Specification

108mm-323mm

Origin

China

HS Code

82071990

Production Capacity

5000PCS/Month

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Product Introduction

The ODEX tool is a sophisticated three-piece assembly designed for efficient drilling, including a pilot bit, reamer, and guide device.

When drilling begins, the ODEX reamer swings out and drills a hole wide enough for the casing tube to slide down behind the reamer.
When the required depth is reached, the rotating direction is reversed, causing the reamer to swing in.
This allows the ODEX assembly to be passed through and pulled out of the casing smoothly.
A standard set of ODEX system includes one pilot bit, one reamer, and one guide device.

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Technical Parameter

Name	Outer Diameter of Casing	Inner Diameter of Casing	Max Wall Thickness	Reamed Diameter	Casing Shoe ID	Pilot Bit Clearance ID	Recommend Hammer
ODEX240	273mm	259mm	7mm	308mm	242mm	240mm	8 inch

Available Models: We also supply ODEX84, ODEX90, ODEX97, ODEX115, ODEX140, ODEX146, ODEX150, ODEX165, ODEX190, ODEX209, ODEX240, and ODEX280.

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Product Features

Rapid removal of cuttings for higher efficiency.
Eliminates the need for drilling mud.
High penetration rate, specifically in resistant rock formations.
Easy soil and groundwater sampling during the drilling process.
Capable of measuring yield estimates at selected depths in the formation.
Highly advantageous in unconsolidated formations with a high risk of caving.

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Application Range

Suitable for drilling water wells, geothermal wells, short micropiles, and medium mini-type grouting holes for buildings, dams, and harbor projects.

1. Start Phase: The reamer swings out to ream the pilot-hole wide enough for the casing tube.

2. Retrieval: Upon reaching depth, reverse rotation swings the reamer in for assembly removal.

3. Sealing: Casing tubes left in the hole should be sealed at the bottom using cement grout.

4. Completion: Drilling continues to the desired bedrock depth using conventional methods.

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Manufacturing Excellence

We manufacture and supply high-quality DTH Hammers, including DTH Hammer Bits and RC Hammers. These tools are meticulously produced utilizing superior quality raw materials and efficient machinery. Sturdy in construction, these hammers are specifically designed to suit high-pressure drilling rigs and are available in various technical specifications.

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Delivery & Package

Delivery: Available via Air, Sea, or Express shipping methods.

Package: Secured in Ply-wooden cases and Pallets for safe transport.

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Detailed Images

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Frequently Asked Questions

Q1: What exactly is an ODEX casing system? The ODEX system is an eccentric overburden drilling system designed for drilling through soil and into bedrock while simultaneously installing a casing tube to prevent hole collapse.

Q2: What are the main components of the ODEX240? The system consists of three main parts: a pilot bit, an eccentric reamer bit, and a guide device.

Q3: For which types of rock formations is this tool suitable? ODEX240 is highly versatile and suitable for soft, middle, and hard rock formations, especially effective in unconsolidated ground.

Q4: Can this system be used for water well drilling? Yes, it is widely used for water wells, geothermal wells, and various civil engineering projects like micro-piling.

Q5: How do I retrieve the drill bits after reaching the target depth? By reversing the rotation of the drill string, the eccentric reamer swings back to its center position, allowing the entire bit assembly to be pulled up through the casing.

Q6: What is the maximum wall thickness for the ODEX240 casing? The technical specification for ODEX240 supports a maximum casing wall thickness of 7mm.