Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

To survive with high quality,to develop with non-stop innovation,to repute with thoughtful service,to brand with great sincerity

Manufacturer from China
Active Member
8 Years
Home / Products / Overburden Drilling Systems /

Professional OD 178mm Concentric Drilling System , Reliable DTH Drilling Equipment

Contact Now
Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
City:jinzhou
Province/State:ningxia
Country/Region:china
Contact Person:MsSpring Huang
Contact Now

Professional OD 178mm Concentric Drilling System , Reliable DTH Drilling Equipment

Ask Latest Price
Video Channel
Brand Name :teamwhole
Model Number :Concentric casing system
Certification :ISO9001
Place of Origin :Hunan, China (Mainland)
MOQ :1 Set
Price :Negotiation
Payment Terms :L/C, T/T
Supply Ability :500 Set/Sets per Month
Delivery Time :15 work days
Packaging Details :Wooden outer , and cartons inner
Machine Type :Drilling Tool
Material :alloy steel
Processing Type :Forging, Forging
Use :Well Drilling, water well drilling
wings :2pcs
drill pipes :178mm
more
Contact Now

Add to Cart

Find Similar Videos
View Product Description

Professional OD 178mm Concentric Drilling System , Reliable DTH Drilling Equipment

General Introduction


Application Range:
It is recommended to drill in rock formation where contains some ovals and fracture.
Design Principles:

1)Block rotation direction has large bevel angel to increase stability.

2)Bevel designed block back guides the drilling tools through the casing when the pilot bit is pulled up for easy recovery.
Different Structures:
Concentric system with ring bits,with wings and with blocks.

Operation Procedure
1. when the drilling starts, the wings swing out, and reams to drive the casing shoes and tubes into the hole.
2. When finished the drilling in overburden rock formations, reverse the drilling tools and the wings will get closed, and the drilling tools can be raised from the hole.
3. Next construction can be followed.

Raw Material


Steel:
first class special alloy steel with high strength, heat resistance and wearable
Carbide
The best tungsten carbides from China are commonly applied.
Tungsten carbide from European is also available.

Specification

  • 1. Drill in overburden unstable rock.
  • 2. One step to drill and follow casing
  • 3. Flexible to open or close.
  • 4. Long service life
  • Professional OD 178mm Concentric Drilling System , Reliable DTH Drilling Equipment

Quality Warranty


Our company response for any quality problem caused by material or machining defect.

Application


It is suitable for drilling water wells,geothermal wells, short micropiles medium mini-type grouting hole of building, dam and harbor project.

Our Service


Teamwhole offers the market most comprehensive range of DTH hammers. There are hammer solutions for water well drillers, miners and quarry drillers as well as for contractors in construction, oil and gas. Teamwhole's DTH hammers are available in holes sizes from 3.5 to 48 inches in diameter.
Teamwhole's flexible and stable ODEX system wins great reputation in users. Reliable quality,innovative design and professional service ensure the fulfill of many projects.
We even offer reverse circulating RC hammers for exploration. We are the earliest in China for RC since 2004. Now the RC hammer and bits are delivered to Australia,South Africa,Russia and Mongolia in large scales.
More than 30 experts supports the technology and enhance the development.
Offer the guide service for assembly and problem-analyse service during using.

Markets


Northern Europe: foundation, piling
Western Europe: water well and geothermal drilling
Russia: Oil, infrastructure and mining.
South east asia: mining and geothermal
South Africa: mining and water well drilling
Middle east: water well drilling
Oceania: mining, exploration and water well drilling
South America: water well drilling and mining

Inquiry Cart 0