Method and device for conveying chemicals through borehole
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United States of America Patent
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-
Nov 17, 1987
Grant Date -
N/A
app pub date -
Nov 4, 1986
filing date -
Apr 26, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A capsule for conveying chemicals through a borehole for stopping lost circulation has a fragile bottom plate. A weight for destroying the bottom plate is suspended above the capsule by a cord which extends over knife edges. A messenger for cutting the cord is mounted to a wire line. The weight is caused to collide with the messenger to cut the cord, for breaking the bottom plate. Thus, the chemicals are diffused.
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