Hejian Deris Petroleum Drilling Equipment Co.,Ltd.

Review
  • “I was excited when this product arrived, I didn't even know you could get a Spiral Drilling Collars this cheap.”
    Kamal Muas
    GACChemical
  • “Good quality for a favourable price!Definitely will purchase Spiral Drilling Collars again!”
    Mrs.annene De Klerk
    e-conoligh
  • “I really like the Spiral Drilling Collars . When I received this product, it was completely packaged and included with detailed description. Thanks to the help of Hejian Deris Petroleum Drilling Equipment Co.,Ltd. .”
    Narcis Vasiliu
    Global Surgical
  • “This Spiral Drilling Collars is extremely well and received very fast.”
    Miki Tsumura
    Fulmer Company
  • “Good seller, good Spiral Drilling Collars , thank you very much!”
    Eng. Mahmud Tamim
    "ПЛЕМЕННОЕ ХОЗЯЙСТВО "ЛАЗАРЕВСКОЕ" ОБЩЕСТВО С ОГРАНИЧЕННОЙ ОТВЕТСТВЕННОСТЬЮ

Spiral Drilling Collars

- manufacturer, factory, supplier from China

(Total 1 Products for Spiral Drilling Collars)

  • API Spiral Drill Collars Well Drilling Tools

    API Spiral Drill Collars Well Drilling Tools

    • Brand: Deris
    • Packaging: bundle or as per client demand...
    • Supply Ability: 150pcs per Month
    • Min. Order: 5 Piece/Pieces

    It reduces the contract area with the wellface and the steering resistance,which can prevent differential pressure sticking. The drill collar is according to SY/T5144-1997 and API 7-1 " Specification for Rotary Drill Stem Elements" standard, the material uses AISI 4145H alloy structural steel to carry on the deep hole...

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