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Methods and apparatus for measuring formation properties

  • US 20050257611A1
  • Filed: 05/23/2005
  • Published: 11/24/2005
  • Est. Priority Date: 05/21/2004
  • Status: Abandoned Application
First Claim
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1. A method of measuring a formation property, the method comprising:

  • disposing a drill collar in a borehole at a first depth, the drill collar comprising a formation tester tool, a formation probe assembly, and at least a first sensor and a second sensor;

    engaging the formation tester tool with an earth formation using the formation probe assembly;

    selectively sampling at least one of the first and second sensors;

    making at least a first and a second measurement; and

    comparing the first measurement to the second measurement.

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