Treatment fluids and methods for consolidating substrates without simultaneous substantial loss of permeability
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United States of America Patent
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Issued Date -
Oct 28, 2004
app pub date -
May 19, 2004
filing date -
Apr 30, 2001
priority date (Note) -
Abandoned
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Abstract
The invention relates to a treatment fluid for consolidating an unconsolidated or weakly consolidated granular porous substrate without simultaneous substantial loss of permeability and a method for doing the same. According to the invention, the treatment fluid comprises a solvent;--a surfactant, in a concentration sufficient to form admicelles at the surface of grains of the substrate; and--at least one compound comprising a functional group able to polymerise, together, where appropriate, with a polymerisation initiator. The invention can be implemented, in particular, for consolidating sandstone of a rock formation.
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