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Real-time monitoring and control of reservoir fluid sample capture

  • US 6,966,234 B2
  • Filed: 01/14/2004
  • Issued: 11/22/2005
  • Est. Priority Date: 01/14/2004
  • Status: Expired due to Fees
First Claim
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1. A method of sampling reservoir fluid, comprising:

  • establishing communication between a reservoir and an entry port of a flow line disposed in a borehole penetrating the reservoir;

    separating fluid received in the entry port into individual fluid components and sequentially flowing slugs of each individual fluid component along the flow line;

    observing the slugs as they move along the flow line in order to determine the composition of the slugs;

    estimating when a desired slug containing a desired fluid component would be in the vicinity of a sample chamber in the flow line; and

    opening the sample chamber to capture the desired slug when the desired slug is in the vicinity of the sample chamber.

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