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symmetric Overburden casing system/Eccentric overburden drill bit

symmetric Overburden casing system/Eccentric overburden drill bit

FOB Price

أحصل على آخر سعر

100 ~ 1000 / Set

|

Minimum Order

Place of Origin:

-

Price for Minimum Order:

Minimum Order Quantity:

1 Set

Packaging Detail:

Iron tray

Delivery Time:

7 days when receive the advance payment

Supplying Ability:

10000 Set per Month

Payment Type:

T/T, L/C, D/A, D/P

الاتصال الآن
Chengdu Drillrocker Inc.

Chengdu Drillrocker Inc.

China

عضو مجاني

الشخص الذي يمكن الاتصال به Mr. Jack

No.2 Hongye road,Qingbaijiang district, Chengdu, Sichuan

الاتصال الآن

Description

Eccentric Overburden Drilling System

Type Hole Diameter(mm) NO. Air Hole Buttons Casing Size
( Wall Thickness * Outerdiameter)		 Size
(Diameter*L)		 Weight
(KG)		 Hole deep(m)
（f=4~6）		 Match DTH Hammer
DR108 Φ108 3 10 Φ108*(4.5~7) Φ93X319 9.4 200~600 DR90
DR127 Φ127 3 11 Φ127*(4.5~7.5) Φ110X355 14 200~800 DR110
DR146 Φ146 3 14 Φ146*(4.5~7.5) Φ129X355 18 200~800 DR110
Advantages:
It is Mainly made of ladder shaft shaped centralizer and using connecting pin installed in centralizer with eccentric bit, due to the connecting pin in full in the process of drilling torque, connecting pin put on eccentric drill bit and centralizer cylinder parts, it is very simple to use, driving ability outstanding ,slag discharge effect is excellent.
Working Principles:
  1. When drilling, the reamer swings out and drills a hole larger than the external diameter of the casing tube.
  2. When the required depth has been reached, the drill is reversed and the reamer swings in to its minimum diameter, allowing the bit to be lifted up through the casing, which is left in the hole.
  3. Drilling can continue with an ordinary DTH drill bit.
Related Keywords: Overburden Drilling System , Eccentric Overburden Drilling System, overburden system , eccentric drilling tool

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Mr. Jack < Chengdu Drillrocker Inc. >

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