Reservoir sampling tools and methods
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United States of America Patent
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Dec 27, 2016
Grant Date -
Jul 31, 2014
app pub date -
Aug 15, 2012
filing date -
Aug 16, 2011
priority date (Note) -
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Abstract
Techniques for sampling a subsurface reservoir include lowering a downhole logging tool comprising one or more samplers, a cleaner system, and a sample probe bit into a borehole until at least one sampler is positioned correctly in a subterranean reservoir; advancing the cleaner system into the reservoir cleaning mud filtrate and contaminated reservoir material away into a mud column; advancing the sample probe bit into the reservoir; and solvent is injected into the reservoir from the solvent reservoir.
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