Method of locating a cementing plug in a subterranean well

Details Method of locating a cementing plug in a subterranean well Method of locating a cementing plug in a subterranean well

E - Fixed Constructions

21

B

E21B 47/09 (2006.01) E21B 33/16 (2006.01)

Patent

CA 2362041

A method is provided which, in an embodiment described herein, permits a location and/or displacement of a cementing plug to be determined during a cementing operation. In this embodiment, one or more pressure pulses are transmitted through displacement fluid being used to pump the plug through the casing string. The pressure pulses are reflected off of the plug and received by a pressure sensor. Information regarding the timing of the reflected pressure pulses may be used to determine the location and/or displacement of the plug.

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