EP2505764

Downhole driving unit having a spring member for assembling a hydraulic motor housing

  • :
    EP einkaleyfi: Þýðing ekki lögð inn
  • :
    30.3.2011
  • :
    1.1.2014
  • :
    11160502.8
  • :
    29.3.2031
  • :
    Downhole driving unit having a spring member for assembling a hydraulic motor housing

30.3.2011
1.1.2014
  • :
    Welltec A/S
  • :
    Gydevang 25, 3450, Allerød, DK
  • :
    Hallundbæk, Jørgen
  • :
    Græsted, DK
  • :
    E21B 23/00, B60K 17/14