Fracturing system layouts

Abstract

Systems for stimulation of a formation include a variable frequency drive configured to receive and output medium voltage power and in communication with high pressure pump. A variable frequency drive actuates an electric motor associated with the high pressure pump, such that the pumps pressurizes a fracturing fluid, proppant, or combinations thereof for flowing the fracturing fluid, proppant, or combinations thereof into the formation.

What is claimed is: 
     
         1 . A system for stimulating a formation, the system comprising:
 a source of fracturing fluid in communication with the formation;   a source of proppant in communication with the formation;   a medium voltage power source;   a variable frequency drive in communication with the medium voltage power source;   an electric motor in communication with said variable frequency drive; and   a high pressure pump in communication with said electric motor;   wherein the variable frequency drive receives medium voltage power from the medium voltage power source and actuates, using medium voltage, said electric motor, and wherein said electric motor actuates said high pressure pump, and wherein said high pressure pump pressurizes fracturing fluid for flowing said fracturing fluid into the formation.   
     
     
         2 . The system of  claim 1 , wherein said variable frequency drive does not comprise a transformer. 
     
     
         3 . The system of  claim 1 , further comprising at least one additional high pressure pump, wherein said at least one additional high pressure pump is actuated by said electric motor. 
     
     
         4 . The system of  claim 1  further comprising at least one additional high pressure pump and at least one additional electric motor, wherein said at least one additional high pressure pump is powered by said at least one additional electric motor, and wherein said at least one additional electric motor receives medium voltage from said variable frequency drive. 
     
     
         5 . The system of  claim 1 , wherein the medium power source is a range of 3500 volts to 7500 volts. 
     
     
         6 . The system of  claim 1 , wherein said variable frequency drive is configured for transport on a trailer. 
     
     
         7 . The system of  claim 1 , wherein said variable frequency drive, said electric motor, and said high pressure pump are transportable on a single trailer. 
     
     
         8 . The system of  claim 1 , wherein said variable frequency drive is located outside a hot zone. 
     
     
         9 . The system of  claim 1 , wherein said high pressure pump and said electric motor located within a hot zone. 
     
     
         10 . The system of  claim 1 , wherein said variable frequency drive is spaced a distance from said high pressure pump and said motor sufficient to minimize ignition of fracturing fluid pressurized by said high pressure pump. 
     
     
         11 . The system of  claim 1 , wherein the fracturing fluid comprises hydrocarbons. 
     
     
         12 . The system of  claim 1 , further comprising a wellhead in association with the formation, wherein said high pressure pump is spaced a distance from the wellhead sufficient to minimize ignition of fracturing fluid pressurized by said high pressure pump. 
     
     
         13 . The system of  claim 1 , wherein said high pressure pump is configured to pressurize a first fluid. 
     
     
         14 . The system of  claim 12 , further comprising a second high pressure pump, wherein said second high pressure pump is configured to pressurize a second fluid. 
     
     
         15 . The system of  claim 12 , wherein said high pressure pump and said second high pressure pump independently pressurize said first fluid and said second fluid. 
     
     
         16 . The system of  claim 1 , wherein said fracturing fluid is selected from the group consisting of:
 a hydrocarbon;   an aqueous fluid; and   an alkane.   
     
     
         17 . The system of  17 , wherein said alkane is selected from the group consisting of:
 LPG;   propane;   butane; and   hexane.   
     
     
         18 . A system for stimulating a formation, the system comprising:
 a source of fracturing fluid in communication with the formation;   a source of proppant in communication with the formation;   at least one power source;   at least one mobile platform comprising a variable frequency drive mounted thereon;   a high pressure pump coupled to the variable frequency drivel;   wherein the variable frequency drive receives power from said at least one power source and actuates an electric motor associated with said pressure pump, and wherein said high pressure pump pressurizes fracturing fluid for flowing said fracturing fluid into the formation.   
     
     
         19 . The system of  claim 16 , wherein the medium power source comprises a medium voltage power source ranging from 3500 volts to 7500 volts. 
     
     
         20 . The system of  claim 16 , wherein said at least one mobile platform comprises at least a second mobile platform, each of said mobile platform and said at least a second mobile platform having a variable frequency drive and a high pressure pump mounted thereon. 
     
     
         21 . The system of  claim 16 , wherein said high pressure pumps engage the variable frequency drive via a single tie line. 
     
     
         22 . The system of  claim 16 , further comprising a wellhead in association with the formation, wherein said high pressure pump are spaced a distance from the wellhead sufficient to minimize ignition of fracturing fluid pressurized by said high pressure pump. 
     
     
         23 . The system of  claim 16 , wherein said high pressure pump comprises a breakway feature adapted to decouple said high pressure pump from the variable frequency drive to enable substantially all output from the variable frequency drive to be provided to at least one other of said high pressure pumps. 
     
     
         24 . The system of  claim 16 , further comprising a second high pressure pump, wherein said second high pressure pump having a type different than a type of said high pressure pump. 
     
     
         25 . The system of  claim 24 , wherein the first type comprises a quintuplex pump and the second type comprises a triplex pump. 
     
     
         26 . The system of  claim 24 , wherein the first type, the second type, or combinations thereof is selectable to reduce harmonic resonance, vibration, or a combination thereof generated by said at least two high pressure pumps, the variable frequency drive, or a combination thereof. 
     
     
         27 . The system of  claim 18 , wherein said fracturing fluid is selected from the group consisting of:
 a hydrocarbon;   an aqueous fluid; and   an alkane.   
     
     
         28 . The system of  claim 27 , wherein said alkane is selected from the group consisting of:
 LPG;   propane;   butane; and   hexane.