TREA

Units with longitudinally-spaced plugs for isolating the intermediate space

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Industry

  • CPC
  • E21B33/124
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B33/00Sealing or packing boreholes or wells

Current Industry

E21B33/124Units with longitudinally-spaced plugs for isolating the intermediate space
Industries