Methods and compositions for consolidating proppant in fractures
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United States of America Patent
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N/A
Issued Date -
Oct 28, 2004
app pub date -
Mar 6, 2003
filing date -
Mar 6, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Improved methods and compositions for consolidating proppant in subterranean fractures are provided. In accordance with the methods of the invention, proppant particles coated with a hardenable bisphenol A-epichlorohydrin resin composition are mixed with a gelled liquid fracturing fluid and the fracturing fluid is pumped into a subterranean zone. The fracturing fluid forms one or more fractures in the subterranean zone and deposits the proppant particles coated with the resin composition therein. Thereafter, the hardenable resin composition on the proppant particles is allowed to harden by heat and consolidate the proppant particles into degradation resistant permeable packs. The hardenable bisphenol A-epichlorohydrin resin compositions of the invention are storable for long periods of time before use.
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