Method for sonically loosening oil well liner environments

  title={Method for sonically loosening oil well liner environments},
  author={Albert G. Bodine},
A column of elastic material such as steel is lowered into an oil well by means of a derrick to a position such that the end portion thereof is within a liner to be removed. An acoustic coupling surface such as a plurality of annular piston-like members made of a resilient material such as a suitable rubber or plastic are fitted onto a portion of the column which extends into the interior of the lining, these annular members being spaced from each other along the column. An annulus of liquid is… CONTINUE READING