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

Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

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

Brand Name : Teamwhole

Model Number : Concentric casing system

Certification : ISO9001

Place of Origin : Hunan, China (Mainland)

MOQ : 1 Set

Price : Negotiation

Payment Terms : L/C, T/T

Supply Ability : 500 Set/Sets per Month

Delivery Time : within 20 days after full payment

Packaging Details : Wooden outer , and cartons inner

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

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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


Product Tags:

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

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

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