Mobile, modular, electrically powered system for use in fracturing underground formations

摘要

The present invention provides a method and system for providing on-site electrical power to a fracturing operation, and an electrically powered fracturing system. Natural gas can be used to drive a turbine generator in the production of electrical power. A scalable, electrically powered fracturing fleet is provided to pump fluids for the fracturing operation, obviating the need for a constant supply of diesel fuel to the site and reducing the site footprint and infrastructure required for the fracturing operation, when compared with conventional systems.

主权项

1. A method of delivering fracturing fluid to a wellbore, the method comprising the steps of:
providing a dedicated source of electric power at a site containing a wellbore to be fractured, wherein the dedicated source of electrical power is a turbine generator; providing a source of natural gas, wherein the natural gas is used to drive the turbine generator in the production of electrical power; providing one or more electric fracturing modules at the site, the electric fracturing modules comprising an electric motor and a coupled fluid pump, the electric motor operatively associated with the dedicated source of electric power; providing the fracturing fluid for pressurized delivery to a wellbore; operating the fracturing modules using electric power from the dedicated source to pump the fracturing fluid to the wellbore; providing an electric blender module, the electric blender module comprising: a fluid source, a fluid additive source, and a blender tub; providing a fracturing trailer at the site for housing the one or more fracturing modules and the electric blender module; and supplying electric power from the dedicated source to the electric blender module to affect blending of a fluid from the fluid source with a fluid additive from the fluid additive source to generate the fracturing fluid.