Priority Date: 20.12.11 (US 201113330676)

USING HIGHER ORDER HARMONICS TO DETERMINE ACOUSTIC IMPEDANCE OF MATERIAL BEHIND BOREHOLE CASINGS

  • Application ID: EP12859886
  • Status: █ GRANT OF PATENT INTENDED

Applicants

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Schlumberger Holdings Limited
Technology Company
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Schlumberger Technology B.V.
Technology Company
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Services Pétroliers Schlumberger SA
Technology Company

Attorneys

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Martin Rzaniak
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Etudes & Productions Schlum...
1 office
Technology Company
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Schlumberger Cambridge Rese...
2 offices
Technology Company

Specialization

This EP application has the IPC class G01 (MEASURING; TESTING). Etudes & Productions Schlumberger and Schlumberger Cambridge Research Ltd are specialized in G01. Etudes & Productions Schlumberger is specialised in G01 (MEASURING; TESTING). 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

  • 20.12.2011 - Priority Date (US 201113330676)
  • 27.06.2013 - Publication A2 (WO2013096358)
  • 29.10.2014 - Publication A2 (EP2795368)

IPC Classification