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Apparatus and process for wellbore characterization

  • US 9,228,433 B2
  • Filed: 02/09/2010
  • Issued: 01/05/2016
  • Est. Priority Date: 02/11/2009
  • Status: Active Grant
First Claim
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1. A process for wellbore characterization, the process comprising:

  • separating, in a separation vessel, drilling mud from gas produced during drilling of a wellbore;

    transporting the separated produced gas from the separation vessel to a downstream process;

    measuring at least one of a temperature and a pressure of only the separated produced gas during transport using one or wore sensors;

    measuring at least one of a mass flow rate and a volumetric flow rate of only the separated produced as during transport using one or more ultrasonic sensors;

    determining at least one of a standard volumetric flow rate and an average molecular weight of the separated produced gas based on the measuring; and

    determining properties of the well bore based on the determined standard volumetric flow rate or the determined average molecular weight.

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