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AUTOMATED FORMATION FLUID CLEAN-UP TO SAMPLING SWITCHOVER

  • US 20090049904A1
  • Filed: 08/24/2007
  • Published: 02/26/2009
  • Est. Priority Date: 08/24/2007
  • Status: Active Grant
First Claim
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1. A downhole apparatus comprising:

  • a carrier conveyable in a well borehole;

    a fluid control device that urges a fluid into a port, the fluid containing a contaminant;

    a first test device in communication with the fluid, the first test device generating a first signal indicative of a first fluid characteristic;

    a second test device in communication with the fluid, the second test device generating a second signal indicative of a second fluid characteristic; and

    a processing device that receives the first signal and the second signal, the processing device processing the first signal and the second signal to estimate a level of contamination in the fluid, the processing device generating a control signal when the estimated level of contamination meets a predetermined value.

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