Reduced-density proppants and methods of using reduced-density proppants to enhance their transport in well bores and fractures
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United States of America Patent
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Jun 27, 2006
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app pub date -
Jul 8, 2003
filing date -
Jul 8, 2003
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Abstract
The present invention provides reduced-density coated particulates and methods for enhancing the transport of such particulates into well bores and fractures, and for enhancing the conductivity and permeability of subterranean formations using such particulates, and for sand control treatments using such particulates. The reduced-density, coated particulates of the present invention generally comprise particulate having a surface and a coating wherein the surface comprises a porous or partially hollow geometry and coating is capable of trapping a fluid between the particulate's surface and the coating.
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