Schlumberger Technology Corporation

Matheus Nogueira

Edward Harrigan

Ricardo Vasques

Andrew Carnegie

Nicolas Adur

James J Dunlap

Alejandro Duran

A method and apparatus for sampling formation fluid includes drawing formation fluid from the subterranean formation into the downhole tool and collecting the formation fluid 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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Macae, Brazil

Matheus Nogueira