Proppant for well fractures and method of making same
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United States of America Patent
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-
Jan 15, 1985
Grant Date -
N/A
app pub date -
Dec 9, 1983
filing date -
Dec 9, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The novel proppant consists of composite particles, the core of which is a conventional proppant particle such as silica sand. The core has a thin, void-containing coating which provides an overall density approaching that of the fracturing fluid. The coating preferably comprises hollow glass microspheres embedded in an adhesive which bonds the microspheres to the core.
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