Porous particulate materials and compositions thereof

Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component

Reexamination Certificate

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C428S402000, C428S403000, C428S404000, C428S407000, C507S269000

Reexamination Certificate

active

07998907

ABSTRACT:
Methods and compositions useful for subterranean formation treatments, such as hydraulic fracturing treatments and sand control that include porous materials. Such porous materials may be selectively configured porous material particles manufactured and/or treated with selected glazing materials, coating materials and/or penetrating materials to have desired strength and/or apparent density to fit particular downhole conditions for well treating such as hydraulic fracturing treatments and sand control treatments. Porous materials may also be employed in selected combinations to optimize fracture or sand control performance, and/or may be employed as relatively lightweight materials in liquid carbon dioxide-based well treatment systems.

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patent: 7713918 (2010-05-01), Stephenson et al.
patent: 2003/0221831 (2003-12-01), Reddy et al.

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