TREA

by forming crevices or fractures

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Industry

  • CPC
  • E21B43/26
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells

Current Industry

E21B43/26by forming crevices or fractures
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