2 inch Down Hole Dth Hammers And Bits Drilling System For Civil Engineering

Brand Name:MING
Certification:ISO9001
Model Number:NMK5E194-DHD360
Minimum Order Quantity:1PC
Delivery Time:3-5WEEKS
Payment Terms:T/T, D/P, Western Union
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Location: Wuhan China
Address: 1-2-905 California Sunshine, Optical Valley Street,Wuhan 430074, China
Supplier`s last login times: within 48 hours
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Product Details

Product name: 194mm new design 3 reamers concentric casing drilling system for civil engineering

Product category: Overburden symmetric casing drilling bits

Matched hammer: Hammer DHD360

Matched casing pipe OD: 194mm


New design 3 reamers concentric casing drilling system deliver an uncompromised combination of performance, efficiency, and reliability,

They are be used in all ground conditions and drilling applications as: Foundation construction, Piling construction, Water Well and Geothermal, Tunneling and Horizontal drilling.


new design 3 reamers concentric casing drilling system technical parameters:


Technical Parameters
ModelReaming Diameter(mm)Casing Diameter(mm)Equipped Hammer
NMK5E10811593-9990
NMK5E127130115-117110
NMK5E146155130-134110/340
NMK5E168185148-156110/340
NMK5E178195158-166150/340
NMK5E183196168-176350/360
NMK5E193206176-182360
NMK5E219236199-207360

How to order:

Order Guide: Casing Tube OD & ID + Reamer Bit Diameter + Minimal Casing Shoe ID + Hammer Shank Style


FAQ:

1. What is Symmetrix drilling?

Previously known in our industry as Concentrix, the updated Symmetrix system allows for the simultaneous casing and drilling of a hole. The system consists of three main components: pilot bit, ring bit (reamer) and casing shoe.


2. Why is overburden important?

In a petroleum system, the overburden rock overlies the source rock and contributes to its thermal maturation because of higher temperatures at greater depths. The age and thickness of the overburden rock determines the burial rate and thereby influences the heating rat.


3. How far can you directional bore?
What are the minimum and maximum lengths of crossing? Maximum lengths and hole diameters are determined by project specific geotechnical conditions however effective outside range for heavy rig horizontal directional drilling is 3,000 m


4. How does a casing advancer Work?
The Casing Advancer has been designed to allow drilling and casing to be carried out at the same time as one integral operation. This feature eliminates the need to drill the large diameter hole with a Rock Bit, pull the drill rod string and Rock Bit from the hole and then ream the casing back into the hole.


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China 2 inch Down Hole Dth Hammers And Bits Drilling System For Civil Engineering supplier

2 inch Down Hole Dth Hammers And Bits Drilling System For Civil Engineering

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