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Symmetrix Overburden Casing Drilling System With Wings 76~114mm Drill Pipes

Symmetrix Overburden Casing Drilling System With Wings 76~114mm Drill Pipes

Symmetrix Overburden Casing Drilling System With Wings 76~114mm Drill Pipes

Product Details:

Place of Origin: Hunan, China (Mainland)
Brand Name: Teamwhole
Certification: ISO9001
Model Number: Concentric casing system

Payment & Shipping Terms:

Minimum Order Quantity: 1 Set
Price: Negotiation
Packaging Details: Wooden outer , and cartons inner
Delivery Time: within 20 days after full payment
Payment Terms: L/C, T/T
Supply Ability: 500 Set/Sets per Month
Detailed Product Description
Machine Type: Drilling Tool Material:: Alloy Steel
Wall Thichness Of Casing Tube:: 6.5~10mm Inner Dia. Of Casing Tube:: 101~199
Drill Pipes:: 76~114mm Wings:: 2pcs、3pcs

Concentric System Symmetrix Overburden Casing System With Wings

 

 

General Introduction

 

Application Range:

It is recommended to drill in rock formation where contains some ovals and fracture.

 

Design Principles:

The stabel and reliable working performance and the less vibration of drill rig.

 

Different Structures:

Concentric system with ring bits,with wings and with blocks.

 

Operation Procedure

1. when the drilling starts, the wings swing out, and reams to drive the casing shoes and tubes into the hole.

2. When finished the drilling in overburden rock formations, reverse the drilling tools and the wings will get closed, and the drilling tools can be raised from the hole.

3. Next construction can be followed.

 

 

Raw Material

 

Steel:

first class special alloy steel with high strength, heat resistance and wearable


Carbide
The best tungsten carbides from China are commonly applied.
Tungsten carbide from European is also available.

 

 

Specification

 

  • 1. Drill in overburden unstable rock.
  • 2. One step to drill and follow casing
  • 3. Flexible to open or close.
  • 4. Long service life

 

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
114 101-103 125 93 TH79 60
140 124-127 152 113 TH98 76
146 127-132 154 115 TH98 76
168 149-155 184 138 TH122 76,89
178 159-165 194 148 TH122 76,89
193 173-180 206 164 TH139 114
219 199-206 234 185 TH139,TH180 114
244 224-231 273 219 TH180 114

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

How to complete the whole deal

Step:

1. Firstly decide the design, material and color

2. Decide the size in accordance with client's requirement and our

recommendation

3. We will give the best offer.

4. Client's accept the offer and we send proforma invoice.

5. Client transfers 30%-50% deposit and production begins

6. After production, we will send ready products photo

7. After client's confirmation, we will arrange shipment, and send

copy shipping documents like B/L, commercial invoice and

packing list

8. Client transfer balance payment and we will send original

documents by DHL or EMS

 

Symmetrix Overburden Casing Drilling System With Wings 76~114mm Drill Pipes

Contact Details
Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

Contact Person: Ms.chen

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