API 7-1 Drill Collar for Enhanced Drilling Efficiency

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

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  • API 7-1 Drill Collar for Enhanced Drilling Efficiency
  • API 7-1 Drill Collar for Enhanced Drilling Efficiency
  • API 7-1 Drill Collar for Enhanced Drilling Efficiency
  • API 7-1 Drill Collar for Enhanced Drilling Efficiency
  • API 7-1 Drill Collar for Enhanced Drilling Efficiency
  • API 7-1 Drill Collar for Enhanced Drilling Efficiency
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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
API 7-1 Drill Collar for Enhanced Drilling Efficiency
API 7-1 Drill Collar for Enhanced Drilling Efficiency
API 7-1 Drill Collar for Enhanced Drilling Efficiency
 
 
Drill Collar

-Purpose: Our drill collars are ingeniously designed to add significant weight to the drill bit, ensuring unrivaled contact with the formation and providing indispensable stability to the entire drill string, enhancing your drilling precision and efficiency.

-Specifications:
1) Size: Available in a diverse range of outer diameters from 3-1/8" to 11", these drill collars come in standard lengths of 31 feet, perfectly suited for varied drilling needs.
2) Material: Crafted from robust alloy steel, our drill collars possess an impressive high yield strength, ensuring durability and performance under the toughest drilling conditions.
3) Weight: Our drill collars are typically heavier than standard drill pipes, boasting a specific gravity of approximately 7.8, to provide the ideal mass for effective drilling.
4) Thread Connections: Available with API Regular or other premium threads, our drill collars are tailored for optimal compatibility and efficiency in diverse drilling applications.

-Features:
1) Spiral grooves meticulously engineered to prevent differential sticking, enhancing operational fluidity and ensuring uninterrupted drilling progress.
2) Non-magnetic drill collars, specifically designed for use with sensitive directional tools, offering precise control and improved measurement accuracy in your drilling operations.
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
 
 
 
API 7-1 Drill Collar for Enhanced Drilling Efficiency
 
 
 
 
API 7-1 Drill Collar for Enhanced Drilling EfficiencyAPI 7-1 Drill Collar for Enhanced Drilling Efficiency
 

 

 
 
 
 

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