Back to results
US 6,528,157 B1Granted
Proppants with fiber reinforced resin coatings
AssigneeBorden Chemical, Inc.
InventorsHamid Hussain, Robert R. McDaniel, Michael J. Callanan
Life of this patent
Estimating the term…
Abstract
Coated particles made of particulate substrates having a coating of resin and fibrous material are provided for use in subterranean formations. The coated substrate particles are proppants useful to prop open subterranean formation fractures. The coated substrate particles are also useful for sand control, that is, acting as a filter or screen to prevent backwards flow of sand, other proppants or subterranean formation particles. Methods of making the coated particles are also disclosed.
Claims49
A proppant particle comprising:
- a particulate substrate;
- and
- a coating comprising resin and fibrous material, wherein the fibrous material is embedded in the coating to be dispersed throughout the coating.
A proppant particle comprising:
- a particulate substrate, and
- a coating comprising resin and fibrous material, wherein the coating consists essentially of a single layer.
Dependencies are inferred from the claim text.