Particles for use as proppants or in gravel packs, methods for making and using the same
US7919183B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2005 |
| Grant date | Apr 5, 2011 |
| Priority date | — |
| Expiry date | Sep 7, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed herein is a coated particle comprising a substrate comprising an inorganic material, wherein the inorganic material comprises silica and alumina in a silica to alumina weight ratio of about 2.2 to about 5; and wherein the inorganic material has a bulk density of less than or equal to about 1 g/cm3; and a coating disposed upon the substrate. Disclosed herein too is a method of treating a subterranean formation comprising injecting a fracturing fluid into the subterranean formation; wherein the fracturing fluid comprises an inorganic particle that comprises silica and alumina in a silica to alumina weight ratio of about 2.2 to about 5; and wherein the inorganic particle has a bulk density of less than or equal to about 1 g/cm3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.