Reservoir fluid sampling

Details Reservoir fluid sampling Reservoir fluid sampling

E - Fixed Constructions

21

B

166/6.1

E21B 49/02 (2006.01) E21B 49/08 (2006.01)

Patent

CA 1129335

ABSTRACT OF THE DISCLOSURE Determinations are made of the conditions in a fluid-containing well penetrating a fluid-producing sub- terranean reservoir by isolating an interval in the well which penetrates the fluid-producing reservoir, with- drawing fluid from the interval and determining conditions such as fluid composition, pressure build-up, and tempera- ture in the interval. The interval is isolated with a packing member surrounding an open conduit means extending in the well from the top of the well to a location adja- cent the reservoir. Fluid moves from the reservoir into the conduit means and is withdrawn from the conduit means through an opening in the conduit means above and adjacent the lower end of the conduit means. Determinations are made by lowering measuring tools through the tubing string to a location in the well below the opening through which fluid is withdrawn from the conduit means.

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