Downhole sampling apparatus and method for using same

Details Downhole sampling apparatus and method for using same Downhole sampling apparatus and method for using same

E - Fixed Constructions

21

B

E21B 49/08 (2006.01) E21B 43/38 (2006.01)

Patent

CA 2484688

A method and apparatus is provided to sample formation fluid. Formation fluid is drawn from the subterranean formation into the downhole tool and collected in a sample chamber. An exit flow line is operatively connected to the sample chamber for selectively removing a contaminated and/or clean portion of the formation fluid from the sample chamber whereby contamination is removed from the sample chamber. For example, a clean portion of the formation fluid may be passed to another sample chamber for collection, or a contaminated portion may be dumped into the borehole.

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