Welcome to Shandong LUHAI Petroleum Technology Co., Ltd.!
【LUHAI Petroleum】 Stock Code:832799
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Technical Parameters
 

Non-magnetic drill collars are made of low intensity drill collar material combining a special chemical composition and forged by rotary hammer with low permeability and excellent mechanical property. Each drill collar is fully inspected by inspection department and all data obtained are recorded on quality inspection report. API monogram, heat number, OD, thread connection type and size are stamped on recessed mill flats. LUHAI can produce drill collar with length from 10’ to 31’ and OD from 3 1/8” to 11”.

  • Address:North Middle Beichen Road, Economic Development Zone, Lingcheng District, Dezhou City, Shandong
    Tel.:0534-2136898
  • Fax.:0534-2136898
  • E-mail: sdlhzb@163.com  info@luhaioil.com
  • Website:/

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