Ball sealer
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United States of America Patent
Stats
-
Mar 19, 1985
Grant Date -
N/A
app pub date -
Sep 6, 1983
filing date -
Sep 6, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A ball sealer for use in flow equalization during fluid injection into oil wells is described which has a layer of thermosetting filament wrapped around its core. After curing, the wrapping layer provides the major part of the ball's strength.
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