TREA

with side-wall drilling tools pressing or scrapers

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Industry

  • CPC
  • E21B49/06
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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

E21B49/06with side-wall drilling tools pressing or scrapers
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