Apparatus and methods for sampling and testing a formation...

Details Apparatus and methods for sampling and testing a formation... Apparatus and methods for sampling and testing a formation...

2005-03-29

2005-03-29

Tsay, Frank (Department: 3672)

Boring or penetrating the earth

With signaling, indicating, testing or measuring

Indicating, testing or measuring a condition of the formation

C166S250010, C073S152180

Reexamination Certificate

active

06871713

ABSTRACT:
A formation test tool and methods are described that enable sampling and measurements of parameters of fluids contained in a borehole while reducing the time required for taking such samples and measurements and reducing the risk of formation damage due to sampling induced pressure spikes. The tool has a quick response control system for controlling a fluid transfer device in response to fluid pressure near a sampling port.

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