• Tentech Energy Services(Shanghai) Co.,Ltd.上海琰田能源科技有限公司
  • Tentech Energy Services(Shanghai) Co.,Ltd.上海琰田能源科技有限公司
  • Tentech Energy Services(Shanghai) Co.,Ltd.上海琰田能源科技有限公司
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      HEAVY WEIGHT DRILL PIPE

      2014-10-30  Browse:1247times

      Heavy Weight Drill Pipe (HW DP ) is an intermediate weight drill stem component which is used in conjunction with the drill pipes and drill collars. T I A n HE HWDP is available in standard, spiral and non- magnetic designs. In some applications, heavy-weight drill pipes also can be used instead of the drill collars.

      TIANHE HWDP is made from one-piece AISI
      4145H modified quenched and tempered st eel. I t is designed f or t ough drilling environment in vertical and directional wells. TIA n HE HWDP is a transition member between drill collar and drill pipe. For directional holes HWDP provides weight- on-bit and additional stiffness to prevent buckling.

       

      Features and Benefits

      ● A center upset or wear pad to increase tube life, reduce hole drag and differential sticking problems;

      ● Connections are completed (phosphate coated) to protect them from the elements after machining and to help prevent galling upon initial make-up;

      ● Thread roots are cold rolled on API and H-90 connections. And pressed steel thread protectors are supplied for standard connections;

      ● Hardbanding and internal coating can be provided on customer’s request.


       


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