WELL DRILLING SYSTEMS AND METHODS WITH PUMP DRAWING FLUID FROM ANNULUS

  • Application ID: EP12869370
  • Status: EXAMINATION IN PROGRESS

Applicant

Attorney

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Specialization

This patent has the IPC class E21 (EARTH OR ROCK DRILLING; MINING) A.A. Thornton & Co. is specialized in E21. Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.

Timeline

  • 29.08.2013 - Publication A1 (WO2013126064)
  • 31.12.2014 - Publication A1 (EP2817486)

IPC Classification