Proppant In Hydraulic Fracturing of oil wells or Gas and method to reduce or eliminate the phenomenon of 'flow - back' in petroelo or gas Wells

摘要

This refers to a Proppant In Hydraulic Fracturing of oil wells or gas consisting of a mixture of 10 to 95% by weight of a spherical Proppant and 5 to 90% by weight of a material Block, and the percentages with reference to the total weight of the mixture.The Proppant obtained according to the present is used to eliminate or reduce the phenomenon of flow back "in the operations of oil or gas Wells.