Downhole fluid property measurement tool

Details Downhole fluid property measurement tool Downhole fluid property measurement tool

G - Physics

01

N

G01N 7/00 (2006.01) E21B 49/08 (2006.01) G01N 3/28 (2006.01)

Patent

CA 2114926

Abstract of the Disclosure Apparatus and methods are provided for measuring a parameter of a hydrocarbon-bearing well fluid sample while the sample is still in place in the well and at downhole pressure and temperature conditions. A tool is lowered into the well to a downhole location. A well fluid sample is trapped in the tool at the downhole location. While the tool remains within the well, the volume of the well fluid sample is expanded while repeatedly measuring the pressure of the trapped well fluid sample at different volumes and thereby generating pressure versus volume data for the trapped well fluid sample. From this data, various parameters such as bubble-point pressure and compressibility of the sample can be readily obtained. The apparatus is suited for drawing and testing multiple samples in succession. After each sample is tested, it is expelled from the tool so that another sample can be taken. The data can be stored for subsequent analysis at the surface or it can be transmitted to the surface for real time analysis.

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