Methods of modifying subterranean strata properties
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United States of America Patent
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Feb 23, 1999
Grant Date -
N/A
app pub date -
Aug 18, 1997
filing date -
Aug 18, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides methods of modifying the properties of a subterranean stratum penetrated by a well bore to increase the resistance of the stratum to shear failure. The methods basically include the steps of preparing a hardenable epoxy composition having flexibility upon hardening including an epoxide containing liquid or an epoxy resin and an epoxide containing liquid and a hardening agent. The epoxy composition is pumped into the subterranean stratum by way of the well bore and by way of the porosity of the stratum and then allowed to harden in the stratum.
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