Title:
FLOW-REVERSING LINER SHOE FOR WELL GRAVEL PACKING APPARATUS
United States Patent 3421586
Inventors:
Solum, James R.
Publication Date:
01/14/1969
Export Citation:
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Assignee:
B & W INC
Primary Class:
166/51
Other Classes:
166/158, 166/205
International Classes:
E21B43/04; E21B43/02; (IPC1-7): E21B43/04; E21B43/08
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US Patent References:
3295603Method and apparatus for production well completion
2207334Method and apparatus for placing a filter body in a well
2192945Oil well bottom release valve
RE14756N/A




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