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Method and apparatus for testing a well

  • US 6,357,525 B1
  • Filed: 04/20/2000
  • Issued: 03/19/2002
  • Est. Priority Date: 04/22/1999
  • Status: Expired due to Term
First Claim
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1. A method of testing a well having a first zone and a second zone, comprising:

  • flowing fluid from the first zone into a first portion of a chamber; and

    moving an isolation device that divides the chamber into the first chamber portion and a second chamber portion in a first direction in response to the fluid flow into the first portion; and

    applying an elevated pressure in the second chamber portion to move the isolation device in a second direction to flow the fluid in the first chamber portion into the second zone.

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