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Method and apparatus for testing a well

  • US 6,330,913 B1
  • Filed: 02/25/2000
  • Issued: 12/18/2001
  • Est. Priority Date: 04/22/1999
  • Status: Expired due to Term
First Claim
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1. A test system for testing a wellbore having a first zone, comprising:

  • a chamber; and

    an isolation device moveable in the chamber, the isolation device separating a first and a second portion of the chamber, the chamber adapted to receive fluid in the second chamber portion from the first zone, the isolation device adapted to be moved in the chamber in a first direction by the first zone fluid, wherein the wellbore further has a second zone, and wherein the first chamber portion is changeable with fluid pressure to move the isolation device in a second direction to pump the first zone fluid inside the second chamber portion into the second zone.

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