Method and apparatus for transversely boring the earthen formation surrounding a well to increase the yield thereof
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United States of America Patent
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Jul 18, 1989
Grant Date -
N/A
app pub date -
Jun 19, 1987
filing date -
Jun 19, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sonic boring tool which employs sonic energy in implementing its boring action is lowered down a well to a region thereof where the flow of effluent is restricted by clogging and contamination. A curved bend is provided in the string above the tool such that the tool is oriented for drilling into the formation laterally from the well. The drill string employed is flexible so that it can follow the curved path of the tool. The tool may comprise a drill bit, sonically driven by means of an orbiting mass oscillator coupled to the drill string or may comprise a hydraulic drilling tool in which hydraulic pulsating jets are generated in response to sonic energy developed in an orbiting mass oscillator and coupled to the tool through a resonantly driven drill string. In one embodiment a rotary table is provided to enable the rotation of the tool in one direction or the other or alternatively in opposite directions to obtain a variety of drilling patterns.
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