TREA

of expandable casings, screens, liners, or the like

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Industry

  • CPC
  • E21B43/103
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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

E21B43/103of expandable casings, screens, liners, or the like
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