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Drilling monitor with downhole torque and axial load transducers

  • US 4,695,957 A
  • Filed: 06/27/1985
  • Issued: 09/22/1987
  • Est. Priority Date: 06/30/1984
  • Status: Expired due to Term
First Claim
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1. A drilling monitor for sensing downhole drilling conditions, said monitor comprising:

  • downhole transducers for providing signals representative of torque and axial load, downhole computing means adapted to receive the torque and load signals for implementing a drilling model and for computing therefrom coefficients representative of drilling conditions, said model comprising a function relating torque and axial load to one another, and means for combining said coefficients into a surface sendable signal indicative of drilling conditions.

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