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Drill Collar Seamless Steel Pipe Corrosion Resistance Abrasion Resistance

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Drill Collar Seamless Steel Pipe Corrosion Resistance Abrasion Resistance

Drill Collar Seamless Steel Pipe Corrosion Resistance Abrasion Resistance
Drill Collar Seamless Steel Pipe Corrosion Resistance Abrasion Resistance Drill Collar Seamless Steel Pipe Corrosion Resistance Abrasion Resistance Drill Collar Seamless Steel Pipe Corrosion Resistance Abrasion Resistance

Large Image :  Drill Collar Seamless Steel Pipe Corrosion Resistance Abrasion Resistance

Product Details:
Place of Origin: CHINA
Brand Name: KOMAL
Certification: API
Payment & Shipping Terms:
Minimum Order Quantity: 1 set
Price: negotiation
Packaging Details: customized
Delivery Time: 20 days
Payment Terms: T/T
Supply Ability: 1 set / month
Detailed Product Description

 
Sucker Seamless Steel Pipe High Precision Better Reliability
 

 
Description:
 
Drill collars are onshore and offshore petroleum geol-ogy, exploration and development drilling is an impor-tant tool.

Technical Features

High quality alloy steel is adopted to improve the overall conditioning, the product strength, long service life. Threaded roots for cold rolling strengthening treatment, pressure big, strong ability to resist fatigue. Thread after phosphat i ng or copper plating process, abrasion resistance, good sealing, corrosion resistance, resistance to strong adhesive.


Applications:
 
Drill rig,the hoist system for oil and gas drilling,oil field
 
 
Specifications :

The main technical parameters

Meehanical property of Drill Collar 
OD Yield
 Strengh
Tensile 
Strenght
Elongation BrineN 
Hardness
Charpy
mm In inch a0.2Mpa ob Mpa 4% HB AKVJ
79.4-171.4 3 1/8-3/4 ≥758 ≥965 ≥13 285-341 ≥54
177.8-279,4 07-Nov ≥689 ≥930

 

The main technical parameters

  Length between 
Inner Thread 
Shoulder and 
the last Dens 
Diameter 
of Inner
 Thread 
Taper of the 
Hole nest to
 inner Thread 
Outer Thread 
Diameter  Outer
 Thread Diameter 
Length between
 alternative Inner 
Thread Shoulder 
and Stress Re
 Iief Groove 
1•59mm Dcb+0. 40, -0 +20. 83 DRG+0 -0. 79 LRG +0 -3. 18
mm mm/m mm mm
NC35 82. 6 82. 15 166. 67 82. 15 85. 73
NC38(3 I/2IF) 88.9 88. 11 166.67 89.3 92.08
NC44 101.6 101.6 166. 67 106. 36 104. 78
NC46 (4 IF) 101.6 106.76 166.67 109. 93 104. 78
NC50(4 I/2IF) 101.6 117.48 166. 67 120. 65 104. 78
NC56 114 3 121.84 250 134. 14 117.48
NC61 127 132. 95 250 149. 25 130. 18
NC70 139.7 152 250 171.05 142. 88
6 5/8REG 114.3 134. 14 166.67 137.72 117. 48
7 5/8REG 120.7 133. 35 250 162. 72 123. 83
8 5/8REG 123.8 149. 25 250 184.94 127

 

Competitive advantages:
 
Competitive price with top quality,professional export service,provide all products as customer’s requirement,respond within shortest tim
e

Contact Details
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