TREA

Rotary drilling

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Industry

  • CPC
  • E21B3/00
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING

Current Industry

E21B3/00Rotary drilling

Sub Industries

E21B3/02Surface drives for rotary drilling E21B3/025with a to-and-fro rotation of the tool E21B3/03with an intermittent unidirectional rotation of the tool E21B3/035with slipping or elastic transmission E21B3/04Rotary tables E21B3/045movably mounted on the drilling structure or platform E21B3/06Adaptation of rotary draw works to drive rotary tables
Industries