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1. Drill collar
  Slick drill collar
  Spiral drill collar
  Non-magnetic drill collar
2. Sub
  Conversion sub
  Lifting sub
  Float valve sub
3. Kelly
  Square kelly
  Hexagonal kelly
4. Drill stabilizer
5. High magnetic wax controller
6. Self-spin sucker rod centralizer
 


1. Casing packer
2. Pressure control sliding liner
 


1. Casing
2. Tubing
 


1.Hydraulic casing reshaping workover technology

2.Downhole pressing fishing workover technology

 



System?introduction

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Tel: +86-28-84920538  Fax: +86-28-84997533
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