Lightweight particulate materials and uses therefor

Details Lightweight particulate materials and uses therefor Lightweight particulate materials and uses therefor

C - Chemistry, Metallurgy

09

K

C09K 8/62 (2006.01) C09K 8/56 (2006.01) C09K 8/80 (2006.01) E21B 43/267 (2006.01)

Patent

CA 2423031

Methods and compositions useful for sand control and/or hydraulic fracturing of subterranean formations that utilize relatively lightweight and/or substantially neutrally buoyant particles as particulate sand control or proppant material. Particles that may be employed include particulates of naturally-occurring materials that may be optionally strengthened or hardened by exposure to a modifying agent. Effectiveness of a modifying agent may be optionally enhanced by facilitating interaction between a modifying agent and one or more components present in a naturally occurring material by using enhancing agents and/or by using conditions that enhance interaction.

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