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Oilfield 4140 Seamless Steel Oil Well Drilling Pipe Casing Drill Pipe For Oil Well Drilling with High Straightness

Oil Drilling Pipe
August 30, 2025
Category Connection: Oil Drilling Pipe
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Tags:
#Seamless Steel Casing Drill Pipe #Tubing Seamless Steel Casing #Oilfield Oil Well Drilling Pipe
Brief: Discover the Oilfield 4140 Seamless Steel Oil Well Drilling Pipe Casing Drill Pipe, engineered for high straightness and unmatched durability in extreme drilling conditions. Perfect for deep, high-pressure, and abrasive formations, this premium-grade pipe ensures reliability and longevity.
Related Product Features:
  • Exceptional mechanical strength with tensile strength ≥950 MPa and yield strength ≥850 MPa for deep/complex wells.
  • Optimized hardness (28-33 HRC) for superior wear resistance and extended service life.
  • Quenched & Tempered (QT) process ensures consistent mechanical properties and reliability.
  • High-strength Cr-Mo alloy base enhances cyclic load and impact resistance.
  • Chromium (0.80-1.10%) and Molybdenum (0.15-0.25%) improve corrosion resistance and high-temperature stability.
  • Ideal for deep drilling, HPHT wells, and abrasive formations requiring maximum strength.
  • Meets/exceeds API and industry standards for high-performance drilling applications.
  • Suitable for fore poling, mine blasting, water well drilling, and geothermal well drilling.
Faqs:
  • Can you provide a sample to check the quality?
    We can provide a free sample with the same or similar sizes for quality checking. You will need to cover the express costs.
  • How about your production capacity?
    Our production capacity is 3000 tons per month.
  • What are your terms of payment?
    Our terms of payment are 30% TT in advance, with the balance to be paid before shipment.
  • Where is your factory located?
    Our factory is in Zhangjiagang city, 1.5 hours away from Shanghai.
  • How can I get the quotation as soon as possible?
    Please send us an inquiry with full details including tube standard, steel grade, tube size and tolerance, tube length, quantity, and any special requirements. We will send the quotation to you ASAP.
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