Sand consolidation with organic silicate
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United States of America Patent
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-
Nov 29, 1983
Grant Date -
N/A
app pub date -
Dec 10, 1981
filing date -
Dec 10, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Unconsolidated sand-like material in a subsurface formation adjacent a borehole of a water, oil, or gas well is consolidated by treating the formation first with a solution of alcohol and organic silicate and then with water. The water causes the organic silicate to hydrolyze and polymerize into a coating-like binding agent. The water also flushes excess organic silicate-alcohol solution from the more permeable portions of the formation adjacent the borehole, thereby maintaining the formation's permeability. The silicate solution may be preceded by alcohol without silicate. Organic silicate has many advantages over alkali metal silicate.
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