Method and apparatus for sampling formation fluids

Details Method and apparatus for sampling formation fluids Method and apparatus for sampling formation fluids

E - Fixed Constructions

21

B

E21B 49/10 (2006.01) E21B 33/12 (2006.01) E21B 49/08 (2006.01)

Patent

CA 2601495

A method of retrieving a formation fluid from a formation adjacent a borehole wall includes estimating at least one of a permeability of the formation and a viscosity of the formation fluid. A first tool is selected based on the estimation, the first tool being selected from one of a heating and sampling tool, an injection and sampling tool, and a coring tool. An attempt to retrieve a formation fluid sample from the formation is then made with the first tool, and a formation fluid sample is retrieved from the formation. A second retrieval process may then be initiated, in which the second retrieval process includes increasing the mobility of the formation fluid.

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