4. Wells
  5. Processes
  6. Disassembling well part

Canadian Downhole Drill Systems Inc.

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Downhole bearing assembly which accommodates compressive and ten

Bearings – Rotary bearing – Plain bearing
Patent

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Downhole sub for directional drilling

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along...
Patent

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Downhole sub with kick pad for directional drilling

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along... – Sectional guide or shaft having means to lock sections in...
Patent

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Downhole tool catcher and method

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type
Patent

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Hydraulic drilling jar

Boring or penetrating the earth – Below-ground impact members – Fluid-operated
Reexamination Certificate

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Profile ID: LFUS-PAI-P-965358

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