TREA

inflated by down-hole pumping means operated by a down-hole drive

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Industry

  • CPC
  • E21B33/1275
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Parent Industries

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

Current Industry

E21B33/1275inflated by down-hole pumping means operated by a down-hole drive
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