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Seismic wave generation systems and methods for cased wells

  • US 7,916,578 B2
  • Filed: 05/17/2008
  • Issued: 03/29/2011
  • Est. Priority Date: 05/17/2008
  • Status: Active Grant
First Claim
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1. A vibration source, comprising:

  • an elongate armature bar;

    a driver positioned about the armature bar, wherein the driver is movably coupled to the armature bar and comprises an electromagnet;

    a clamping unit adapted to removably couple the armature bar to a surface of an object; and

    wherein during operation the electromagnet is activated such that the driver moves with respect to the armature bar and a vibratory signal is generated in the armature bar.

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