Method and apparatus for detecting acoustic vibrations in a bore

Details Method and apparatus for detecting acoustic vibrations in a bore Method and apparatus for detecting acoustic vibrations in a bore

1988-10-19

1990-09-04

Williams, Hezron E.

Measuring and testing

Borehole or drilling

Downhole test

73526, E21B 4700

Patent

active

049533983

ABSTRACT:
A method of measuring acoustic vibrations affecting the fluid in a well at a plurality of points which are angularly distributed around the axis of the well and which are in the proximity of the wall of the well by means of an apparatus including an elongate body which is rotatable about its longitudinal axis and having at least one acoustic vibration detector disposed at the end of an arm which is hinged to the body. The arm is moved away from the body so as to place its end at a determined distance from the wall of the well, and the arm is then caused to rotate continuously about the axis while simultaneously recording the signals produced by the detector. The method is suitable for use in a relief well to locate a well which is blowing out.

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patent: 4703459 (1987-10-01), Bower
patent: 4711303 (1987-10-01), Koeling et al.

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