Method and apparatus for increasing fluid yield of drilled wells
United States Patent 3369606
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Inventors:
Troeller, Henry K.
Publication Date:
02/20/1968
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Primary Class:
Other Classes:
166/312, 166/106, 166/101, 166/68
International Classes:
E21B37/00
US Patent References:
3062290Apparatus for periodically back flushing a well