UnderBalanced Drillling

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Uploaded by on Jun 27, 2007

drill

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  • Thanks a real helpful video

  • How about caving and stuck pipe?

  • Wouldn't the nitrogen greatly decrease the bit torque? depending on how much nitrogen is needed to lift the fluids?

  • Is it applicable in overpressured reservoirs? Does the drilling using the light circulating agent carried out right from the surface conductor depth or they start using it only in the res. interval?

  • Thats a real helpful video.

    Arash

  • Thank you for this video

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