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168mm Symmetric Loose Ground Casing Overburden Drilling System Ringbit Without Casing Shoe

168mm Symmetric Loose Ground Casing Overburden Drilling System Ringbit Without Casing Shoe

Brand Name:MING
Certification:ISO9001
Model Number:MRING168mm
Minimum Order Quantity:1PC
Delivery Time:4-5WEEKS
Payment Terms:T/T, D/A, 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: 168mm Symmetric loose ground casing drilling ringbit without casing shoe

Outer diameter casing pipe: 168mm

This overburden drilling systems are designed to use ring bit which is not connected to casing shoe.


Product components:

Pilot bit + ring bit + casing shoe


Production details:


ModelExternal Dia.(mm)Casing Dia.(OD*ID)Spline
MK-MRING90125114*102MACH33, DHD3.5
MK-MRING115155139*127DHD340, SD4, QL4
MK-MRING140188168*153DHD350, SD5, QL5
MK-MRING165215194*181DHD360, SD6, QL6
MK-MRING190238219*206DHD360, SD6, QL6
MK-MRING215276254*240DHD380, SD8, QL8
MK-MRING235293273*254DHD380, SD8, QL8
MK-MRING240293273*260DHD380, SD8, QL8
MK-MRING280345323*303SD10
MK-MRING315375355*335SD10
MK-MRING365432406*387N120, N125, SD12
MK-MRING460530508*483N125, N180
MK-MRING510580559*533N180
MK-MRING560635610*584N180
MK-MRING610695660*632N240
MK-MRING660735711*685N240
MK-MRING710785762*736N240
MK-MRING745838813*780N240
MK-MRING810886864*838N240, N240S
MK-MRING860935914*884N240S
MK-MRING910980965*935N240S
MK-MRING96010381016*986N240S, M330
MK-MRING101010901067*1041M330

How to order:

Casing Tube OD & ID + Ring Bit Diameter + Hammer Shank + Maximal Normal Bit Diameter +

Casings and Casing Shoes Installation Method (if by threads, threads standard must be offered)


RFQ:

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. Where do they put overburden?

The most common use for the large volumes of overburden produced by a surface mine is to remediate and

reclaim the area where it was first removed. Putting the sand, rock, and clay back where it came from helps

rebuild the level of the soil so that plant life can return.


Products Manufacturing:


China 168mm Symmetric Loose Ground Casing Overburden Drilling System Ringbit Without Casing Shoe supplier

168mm Symmetric Loose Ground Casing Overburden Drilling System Ringbit Without Casing Shoe

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