The present invention relates to coated particulate matter wherein the
particles are individually coated with a first set of one or more layers
of a curable resin, for example, a combination of phenolic/furan resin or
furan resin or phenolic-furan-formaldehyde terpolymer, on a proppant such
as sand, and the first set of layers is coated with a second set of one
or more layers of a curable resin, for example, a novolac resin with
curative. Methods for making and using this coated product as a proppant,
gravel pack and for sand control are also disclosed.