Symmetrix Casing

Symmetrix Casing system comprised of an ingeniously simple concentric method of drilling through overburden with casing. Symmetrix drills straight holes, in any type of ground conditions, at any angle and to depths beyond 100 meters....

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Symmetrix is a concentric drilling system with retrievable pilot bits.They can be used for holes from 76 mm(3") up to 1 220 mm (48"). This system drills in any direction and in any type of ground condition. It is, in fact, the most flexible and efficient overburden system on the market today.


1.Detailed Product Description

1) Drill in overburden unstable rock.

2) One step to drill and follow casing.

3) Flexible to open or close.  

4) Efficient below 300mm.

 

2.Application Range 
Ovals and fractures containing rock

 

3.Design Principles 
Make the casing follow easy and the equipment and operation simple 

 

4.Outstanding Advantages 
Simple structure,simple operation,reliable quality,retrievable drilling tools,long service life.

 

Casing System-1

Casing System-2


Symmetrix Casing system

ModelOuter Dia. of Casing TubeInner Dia. of Casing TubeWall thickness of casingRing Bit Outer DiaRing Bit Inner DiaMax Outer Dia of Normal BitsHammer Type
(mm)(mm)(mm)(mm)(mm)(mm)
For DTH Drilling
R114/6.5-801141016.51228078COP32/COP34/DHD3.5/BR3/MACH303
R127/10-93127107101369391
R133/10-96133113101419694COP44/DHD340/MACH44/MISSION40/   SD4/XL4/QL40
R139/10-10213911910147102100
R152/10-11415213210160114112
R168/10-13016810148177130128COP54/DHD350/MACH50/MISSION50/   SD5/QL50
R177/10-13917710157187139137
R193/12.7-152193167.612.7203152150COP62/COP64/DHD360/MISSION60/SD6/  XL6/QL60/
R219/12.7-175219193.612.7232175173
R244/12.7-198244218.612.7254198196COP84/DHD380/SD8/QL80
R254/12.7-205254228.612.7266205203
RP273/12.7-224273247.612.7285224222
R323/12.7-271323297.612.7338271269
R406/12.7-350406380.612.7420350348DHD112/QL120/SD12/NUMA120
R457/12.7-376457431.612.7477376374
R508/16-44450847616524444442
R558/16-49155852616575491489QL200/SD18/NUMA180
R609/16-55360957716637553551
R660/16-59066062816678590588
R711/16-63971167916731639637QL200S
R762/16-69076273016781690688
R812/16-73481278016834734732
R863/16-78886383116882788786
R914/16-83591488216935835833
R1016/16-9111016984161033911909QL300

Casing System-3

Casing System-4

Casing System-5

Casing System-5

Operating Symmetrix with DTH

 

Torque requirement

Symmetrix method needs less torque compared with eccentric drilling systems. A drill rig should have, however, minimum torque shown for various casing sizes in

the table.

image014.jpg

 

Rotation speed

Rotation speed depends on the size of the Symmetrix bit and also on the formation being drilled. The rotation speed may have to be varied as the formation changes. The harder the ground or the larger the bit the slower is the rotation speed e.g.

image016.jpg

 

Air pressure

Recommended air pressure in overburden is 12 – 14 bars.

 


FAQ

The information you may like to know before order:

1. Q:Methods of Payment:

   A: T/T (Telegraphic Transfer) or Western Union or L/C at sight

2. Q: Handling time for an order

   A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

3. Q: Shipping way

   A: Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air

     Bulk order: we suggest by air or by sea.

4. Q: Quality Control

   A: We have our own experienced QC.

  There will be strict inspection and testing for every order before shipping out.

5. Q: After Services:

   A: (1). Our sales team will response for your question within 24 hours (Holidays Excluded)

  (2). Technical Support will be available in any time

  (3). Free replacement will provide once the failure confirmed caused by our product quality


Key Words:

Symmetric Casing Drilling System,

Symmetric Overburden Casing Drilling System

Symmetric / Concentric Overburden Casing Drilling System

Symmetrix Casing system 


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