TREA

Drilling with diversely driven shafts extending into the borehole

Follow

Industry

  • CPC
  • E21B7/002
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B7/00Special methods or apparatus for drilling

Current Industry

E21B7/002Drilling with diversely driven shafts extending into the borehole
Industries