2021 China New Design Dth Drill Pipe - Polit Bit – TDS

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2021 China New Design Dth Drill Pipe - Polit Bit – TDS Detail:

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Application Range
It is suitable for drilling water wells,geothermal wells, short mircopiles medium mini-type grouting hole of building, dam and harbour project.
Design Principles
Make the casing follow easy and the equipment and operation simple
Outstanding Advantages
Simple structure,simple operation,reliable quality,retrievable drilling tools,long service life.

Operation Procedure:

1. As soon as the drilling starts, the reamer opens and enlarges the hole to drive the casing shoe and casing tube down.

2.When drilling in over-burden formation is done, Start reverse circulation to close the reamer, and then pull up the assembly through the casing tube.

3.The casing tube can be left in the hole, or can be pulled out by means of grout sealing material.

4.Use the normal drilling tools to drill and achieve to the desired depth.

Specifications

A B C D E F
 Outer Dia. of Casing Tube  Inner Dia. of Casing Tube  Reamed Dia.  Min. Inner Dia.of Casing Shoe Hammer Type  Drill Pipes
mm mm mm mm   mm
108 93-99 118 86 TDS79 76
114 101-103 127 91 R56,T38,TDS79 76
127 114-116 136 101 TDS79 76
140 124-127 152 117 TDS98 76
146 127-132 154 117 TDS98 76
168 149-155 184 140 TDS122 76,89
178 159-165 194 150 TDS122 76,89
193 173-180 206 166 TDS139 89,114
219 199-206 234 193 TDS139,TDS180 89,114
245 224-231 260 210 TDS180,TDS220 114
273 251-257 300 241 TDS180

114,127

Usage:

1. In not stable rock formation, the casing is necessary to follow.

2. Usually in water well drilling, for large hole boring.

3. Drilling depth is better less than 40 metres to control the hole well.

4.  Match to 6″ hammer and 194mm casing tube.

5. Air pressure is 20 Bar and air volumn is 500 cfm.

 6. The tools is fetched out to use in the next holes.

ODEX CASING 1


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No matter new customer or outdated client, We believe in extensive phrase and trusted relationship for 2021 China New Design Dth Drill Pipe - Polit Bit – TDS , The product will supply to all over the world, such as: Armenia, Holland, Luxemburg, After 13 years of researching and developing products, our brand can represent wide range of products with outstanding quality in world market. We have completed big contracts from many countries such as Germany, Israel, Ukraine, United Kingdom, Italy, Argentina, France, Brazil, and so on. You probably feel secure and satisfy when copperate with us.
  • It is not easy to find such a professional and responsible provider in today's time. Hope that we can maintain long-term cooperation.
    5 Stars By Alexia from Tajikistan - 2017.06.29 18:55
    High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.
    5 Stars By Edwina from Riyadh - 2018.09.23 18:44
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