Downhole gas influx detection

Details Downhole gas influx detection Downhole gas influx detection

E - Fixed Constructions

21

B

E21B 47/10 (2006.01) E21B 37/00 (2006.01) E21B 47/18 (2006.01)

Patent

CA 2639314

A technique enables determination of gas influx in a fluid handling system. A tubing is provided for conducting fluid flow therethrough. Pressure signals are transmitted through the fluid in the tubing. Parameters of the pressure signal, e.g. time and/or attenuation, are measured at a first location and a second location along the tubing. Parameter data is evaluated to determine the occurrence of changes indicative of gas influx into the tubing.

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