Big Size Water Well Good Quality Rock Roller Drill Bit

Product Details
Customization: Available
Type: Core Drill Bit
Material: Cobalt Steel Alloys

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Management System Certification
ISO 9001, ISO 9000
OEM/ODM Availability
Yes
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Basic Info.

Model NO.
28"
Usage
Well Drilling
Tractor Hoist Type
Wheeled Tractor Hoist
Offshore Unit Type
Semi-Submersible Drilling Rig
Rig Type
Digital-Control Vf Electric Rig
Drilling Depth
1800m
Transmission System
Hydraulic
Power Type
Electric
Transport Package
Wooden Case
Specification
ISO
Trademark
ouyate
Origin
Hebei Hejian
HS Code
82071990
Production Capacity
1000PCS/Month

Product Description

Cutting Structure
The reamer mainly consists of four or more cones. Cutting Structure with premium tungsten carbide hardfacing or premium tungsten carbide inserts of new techniques is utilized, and increase wear-resistance capability of reamer. The pilot is three cone bit.
Seal and Lubrication
High performance HNBR O-ring bearing seal and advanced grease for lubrication.
Product Application
It is suitable for the large size well, mining and infrastructure applications.
The size rang is from 28 to 36 inch, and IADC varies is 117, 127, 517, 537.
Current Availability




Stone
size
inmm
28711.2
30762.0
32812.8
36914.4
   
Recommended Drilling Parameters
IADCWOB(kN/mm)RPM(r/min)Applicable Formations
517/5370.4-1.0120-60Soft formation with low compressive strength and high drillability,such as  mudstone,gypsum, salt,soft shale,soft limestone,etc
117/1270.35-0.9150-70Soft to medium formation with low compressive strength,such as medium soft shale, hard gypsum,medium soft limestone,medium soft sandstone, soft formation with harder interbeds,etc.
1. How to order the products?
Answer:
Send the inquiry with detail item description or with Model number.
If there is no packing demand we take it as sea-way packing.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding. 

2. About lead time and shipping time?
Answer :
The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement.
According the distance from china to your port, usually from China to European about 25 days. To West of American 20 days.
 
3.Can I expect a quality products?
Answer :
Yes. All our activities are accredited to ISO 9001:2008 and API, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request. 
1. How to order the products?
Answer:
Send the inquiry with detail item description or with Model number.
If there is no packing demand we take it as sea-way packing.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding. 

2. About lead time and shipping time?
Answer :
The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement.
According the distance from china to your port, usually from China to European about 25 days. To West of American 20 days.
 
3.Can I expect a quality products?
Answer :
Yes. All our activities are accredited to ISO 9001:2008 and API, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request. 

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