partÍcula composta, mÉtodos para sua produÇço, mÉtodo de tratamento de fratura e mÉtodo para a filtragem de Água.

摘要

Composite particles made of a binder and filler material are provided for use in subterranean formations. The filler is finely divided mineral and optional fiber. The particles are proppants useful to prop open subterranean formation fractures. The particles are also useful for water filtration and artificial turf for sports fields. Methods of making the composite particles are also disclosed.