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Method of predicting formation temperature

  • US 6,789,937 B2
  • Filed: 11/30/2001
  • Issued: 09/14/2004
  • Est. Priority Date: 11/30/2001
  • Status: Expired due to Term
First Claim
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1. A method of calculating a static formation temperature in a reservoir penetrated by a wellbore;

  • comprising;

    estimating the static formation temperature;

    calculating a formation fluid temperature at the wellbore using a three-dimensional fluid flow model through the reservoir, said calculation based, at least in part, on the estimated static formation temperature;

    measuring the temperature of a sample of formation fluid at the wellbore;

    comparing the calculated formation fluid temperature at the wellbore with the measured temperature of the sample of formation fluid; and

    predicting the static formation temperature by altering the estimate of the static formation temperature until an error between the calculated formation fluid temperature at the wellbore and the measured formation fluid temperature is minimized.

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