Priority Date: 13.07.12 (US 201261671418P)

DRILLING FLUIDS WITH NANO AND GRANULAR PARTICLES AND THEIR USE FOR WELLBORE STRENGTHENING

  • Application ID: EP13816096
  • Status: GRANT OF PATENT INTENDED

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Specialization

This EP application has the IPC combination C09 (DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR) and E21 (EARTH OR ROCK DRILLING; MINING). We found, that Hoffmann Eitle PartmbB, Murgitroyd & Company, Beck Greener, A.A. Thornton & Co., v. Füner, Ebbinghaus, Finck, Hano Patentanwälte and 2 others are specialized in this combination either. For a similar patent, they might be a good choice.

Timeline

  • 13.07.2012 - Priority Date (US 201261671418P)
  • 16.01.2014 - Publication A1 (WO2014008598)
  • 18.02.2015 - Publication A1 (EP2836565)