×

Downhole Sampling Tool and Method for Using Same

  • US 20080121394A1
  • Filed: 01/31/2008
  • Published: 05/29/2008
  • Est. Priority Date: 06/18/2004
  • Status: Active Grant
First Claim
Patent Images

1. A downhole sampling tool positionable in a wellbore penetrating a subterranean formation, the subterranean formation having a formation fluid therein, the wellbore having a contaminated .fluid therein extending into an invaded zone about the wellbore, comprising:

  • a housing;

    a shaft extendable from the housing, the shaft positionable in a perforation penetrating the formation beyond the invaded zone about the wellbore;

    a flowline extending through the shaft and into the housing, the flowline having an inlet for receiving downhole fluids through the perforation;

    a first fluid restrictor positioned at least, in part outside of the perforation, the first fluid restrictor adapted to isolate the perforation from the wellbore fluids

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×