Spiral Drill Collar API 7-1 for Drilling Use

Product Details
Customization: Available
Customized: Customized
Surface Treatment: Painting
Diamond Member Since 2021

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  • Spiral Drill Collar API 7-1 for Drilling Use
  • Spiral Drill Collar API 7-1 for Drilling Use
  • Spiral Drill Collar API 7-1 for Drilling Use
  • Spiral Drill Collar API 7-1 for Drilling Use
  • Spiral Drill Collar API 7-1 for Drilling Use
  • Spiral Drill Collar API 7-1 for Drilling Use
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Basic Info.

Model NO.
API SPEC 7-1
Type
Spiral Drill Collar
Standard
API
Usage
Oil Mining, Well Drilling
Material
AISI4145h
Weight (Kg)
200
Condition
New
Local Service Location
None
Keyword
Kelly Drill Pipe
Use
Well Drilling
Dimension(L*W*H)
2000*150*150mm
End Protector
Plastic Pipe Cap
Certification
API
Warranty of Core Components
1 Year
Surface
Painting
Applicable Industries
Energy & Mining
Marketing Type
Ordinary Product
Core Components
Bearing, Gear, Pump
Features
Safe and Stable
Machinery Test Report
Provided
Transport Package
Iron Shelves
Specification
Up to the quantities
Trademark
GOLDENMAN
Origin
Shandong, China
HS Code
843143
Production Capacity
1000pieces/Year

Product Description

DRILL COLLAR
Spiral Drill Collar API 7-1 for Drilling Use
Spiral Drill Collar API 7-1 for Drilling Use
Spiral Drill Collar API 7-1 for Drilling Use
 
 
Drill Collar

-Purpose: This robust and essential component adds significant weight to the drill bit, effortlessly keeping it in constant and effective contact with the formation. It also ensures unparalleled stability to the entire drill string, optimizing your drilling operations for maximum efficiency.

-Specifications:
1) Size: Available in a versatile range of outer diameters from 3-1/8" to 11", with the industry-standard length of 31 feet. Our drill collars are designed to meet diverse operational needs with precision.
2) Material: Crafted from premium quality alloy steel exhibiting exceptional high yield strength, ensuring durability and performance in the most demanding drilling environments.
3) Weight: Our collars are engineered to be typically heavier than standard drill pipes, boasting a specific gravity of approximately 7.8 to deliver the necessary weight and stability.
4) Thread Connections: Equipped with API Regular thread connections or other premium threads to suit specific operational requirements, ensuring a secure and reliable fit.

-Features:
1) Spiral grooves: Expertly designed to prevent differential sticking, these grooves ensure smooth and uninterrupted drilling operations.
2) Non-magnetic drill collars: Ideal for use with sensitive directional tools, these non-magnetic collars reduce interference and enhance the accuracy of directional drilling.
Drill collar specifications
Nominal Size
OD
ID
Length
Bevel Dia. mm
Bending Strength Ratio
mm
in
mm
in
mm
NC31-41(2-7/8IF)
104.8
4-1/8
50.8
2
9150
100.4
2.43:1
NC35-47
120.7
4-3/4
50.8
2
9150
114.7
2.58:1
NC38-50(3-1/2IF)
127
5
57.2
2-1/4
9150
121
2.38:1
NC44-60
152.4
6
71.4
2-13/16
9150/9450
144.5
2.84:1
NC44-62
158.8
6-1/4
57.2
2-1/4
9150/9450
149.2
2.91:1
NC46-62(4IF)
158.8
158.8
71.4
2-13/16
9150/9450
150
2.63:1
NC50-70(4-1/2IF)
177.8
7
57.2
2-1/4
9150/9450
164.7
2.54:1
NC56-77
196.8
7-3/4
71.4
2-13/16
9150/9450
185.3
2.70:1
6-5/8REG
209.6
8-1/4
71.4
2-13/16
9150/9450
195.7
2.93:1
NC61-90
228.6
9
71.4
2-13/16
9150/9450
212.7
3.17:1
We can supply full size drill collar with API 5D/5DP, Please leave a message for consultation.
 
Drill pipe
 
 
Size(in)
OD of Pipe Body(mm)
Wall Thickness of Pipe Bodymm
2.3/8" to 6.5/8"
60.32-168.28
7.11-12.70
 
 
 
Spiral Drill Collar API 7-1 for Drilling Use
 
 
 
 
Spiral Drill Collar API 7-1 for Drilling UseSpiral Drill Collar API 7-1 for Drilling Use
 

 

 
 
 
 

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