Borehole plug and method
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United States of America Patent
Stats
-
Jul 11, 1989
Grant Date -
N/A
app pub date -
May 26, 1987
filing date -
May 27, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An inflatable borehole plug is disclosed, the inflation of which is achieved by chemical reaction of two co-reagents disposed therein which results in evolution of a gas. The borehole plug can be dropped or lowered down a borehole to a preselected position since the extent of gas-producing chemical reaction is able to be delayed following initiation of mixing of co-reagents, by delay means in the borehole plug, for sufficient time to enable placement of the borehole plug.
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