Title:
Adjustable choke for oil wells
United States Patent 2589373
Inventors:
Eugene, Hammock Walter
Publication Date:
03/18/1952
Export Citation:
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Assignee:
Eugene, Hammock Walter
Primary Class:
137/599.05
Other Classes:
137/601.19, 166/91.1
International Classes:
E21B34/02; E21B34/00
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US Patent References:
2376619Valve assembly
2296145Pressure reducing means
2150077Flow regulating means for oil wells