TREA

Means for transmitting measuring-signals or control signals from the well to the surface or from the surface to the well

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Industry

  • CPC
  • E21B47/12
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B47/00Survey of boreholes or wells

Current Industry

E21B47/12Means for transmitting measuring-signals or control signals from the well to the surface or from the surface to the well
Industries