Quick Details:
Thickness:7.11-12.7mm  Application: Drill pipe  Techinque:Friction Welded  
Brand Name: oriental drill   Model Number: 60-127 mm
Grade: S G X E R780       Usage: water drilling
Specification:60-127 mm   Outer Diameter:60-127 mm
 Length: R1  R2  R3
Specifications:
  factory,Own facility:API,ISO standerd(alloy steel E X G S)
  OD:2 3/8, 2 7/8,3 1/2, 4 , 4 1/2,5 (inch)
  UPSET:IU ,EU,IEU

Diameters:
  1. drill pipes: 50,60,73,89,114,127mm(API CETIFICATION)
  2. drill joints:68,78,105,121mm

API standard E75 X95,G105 and S135 steel grades,2 7/8" -5 1/2" oil drill pipes and shoulder joint drill pipes with high torsional resistance are mainly applicable for the construction of deep well,horizontal well and extended-reach well in the proecss of oil $ gas explorat