TREA

using explosives in boreholes using projectiles penetrating the wall

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Industry

  • CPC
  • E21B49/04
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B49/00Testing the nature of borehole walls Formation testing Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells

Current Industry

E21B49/04using explosives in boreholes using projectiles penetrating the wall
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