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Formation testing and sampling apparatus and methods

  • US 7,650,937 B2
  • Filed: 10/30/2006
  • Issued: 01/26/2010
  • Est. Priority Date: 03/07/2003
  • Status: Expired due to Term
First Claim
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1. A formation tester for testing or sampling formation fluids in a borehole, comprising:

  • an elongated sealing pad movable with respect to the tester by one or more extendable supports operable to protrude the entire sealing pad away from the tester, the elongated sealing pad having at least one opening establishing fluid communication between the formation and the interior of the tester, the elongated sealing pad having an outer surface to seal a region along a surface of the borehole, the elongated sealing pad having at least one elongated recess to establish fluid flow from the formation to the at least one opening.

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