Maizer M101 Drilling Core Barrel 101mm Outer Diameter For Geotechnical Drilling
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Maizer M101 Drilling Core Barrel 101mm Outer Diameter For Geotechnical Drilling
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Features
Basic Infomation
Place of Origin: CHINA
Brand Name: ROSCHEN
Certification: ISO
Model Number: MAZIER 101
High Light:

triple tube core barrel

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drilling core barrel

Payment & Shipping Terms
Packaging Details: Wooden box
Supply Ability: 10000 sets
Specifications
Name: Mazier Core Barrel
Type: Core Barrel Mazier
Core Barrel Size: MAZIER CORE BARREL 101
Type Model: MAZIER RETRACTABLE CORE BARRELS
Standard Core Barrel: China Mazier 101 Core Barrel For Geotechnical Drilling
Model Type: Mazier 101 Core Barrel
Use: Geotechnical Drilling
Mazier Core Barrel Factory: Mazier Core Barrel, Mazier Core Barrel Suppliers
Product Description
Maizer M101 Core Barrel 1.5 M

 

 

The automatic Mazier core barrel is designed for obtaining undisturbed core samples in very soft soils.

This core barrel has a spring-loaded inner tube assembly. When drilling in soft formations, the core lifter case protrudes up to 50mm in front of the bit, and acts as a cutting shoe. The soft core is protected from the water flush.

When coring in harder materials, the spring loaded inner tube comes under pressure and the inner tube retracts, so now the core lifter case assumes a normal position.

Wireline drilling is the special method of removing the core. When the driller wants to remove core from a conventional core drill, the entire core barrel has to be removed from the hole. This is time-consuming, as each rod has to be removed one at a time. With wireline drilling, a barrel of core can be removed from the bottom of the hole without removing the rod string. When the driller wants to remove the core, an overshot is lowered on the end of a wireline. The overshot attaches to the back of the core barrel inner tube and the wireline is pulled back and the inner tube disengages itself from the barrel.

 

It is available in 101mm hole diameter (74mm core) and can be used in conjunction with T2-101 and T6-101 core barrels which are more suited for hard rocks.

The 74 mm diameter core obtained with the mazier is compatible with the commonly used laboratory triaxial testing apparatus.

 

specification Mazier 101
Outer Diameter (mm) 101
Core diameter (mm) 74.0
Thread of the head CR50/BW/BWY/NW/NWY
Hole Area (cm²) 80.2
Core Area (cm²) 43.0
Recommended Drill Rod CR50/BW/BWY/NW/NWY
Recommended Casing M116

 

This technology takes large diameter (101 mm) core samples in 1.5 m length pieces.

Using triple wall core barrel permits removal of the sample as it is taken from the ground, guaranteed the undisturbed sample of the core. Thats why these samples in addition good for large diameter geotechnical laboratory tests beyond geological purposes.

A PVC core liner is used inside the inner tube to retain the core, and a “basket” catcher can be used to prevent soft materials from slipping out.

 

This type of core barrel is used widely in some parts of Europe and Australasia and is reported to give 100% recovery in soft formations, such as sands, silts and marls.


The wireline system allows that only the core barrel (second and third tubes) have pulled out to the surface after 1.5 m core drilling, while the outer tube works as a casing.


ROSCHEN manufacture different types of the core barrels with high quality.
 

Size Available:


NMLC core barrel, HMLC core barrel
HWF core barrel, PWF core barrel
NWG core barrel, HWG core barrel
LTK48 core barrel
Mazier core barrel
412 F core barrel
M101 core barrel

B76 core barrel, B86 core barrel, B101 core barrel, B131 core barrel, B146 core barrel
BQ core barrel NQ core barrel, HQ core barrel PQ core barrel, NQ3 core barrel, HQ3 core barrel, PQ3 core barrel
TT-46 core barrel TT56 core barrel
T2-56 core barrel, T2-66 core barrel, T2-76 core barrel, T2-86 core barrel, T2-101 core barrel
T6-76 core barrel T6-86 core barrel T6-101 core barrel T6-116 core barrel T6-131 core barrel T6-131 core barrel
T6S-76, T6S-86, T6s-101, T6s-131,T6S-146 core barrel

 

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