# US 2019/0169971 A1 · High horsepower pumping configuration for an electric hydraulic fracturing system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0169971 A1 - Document ID: US20190169971A1 - Status: Published application - Kind: A1 - Application number: 16/210,749 - Filed: 2018-12-05 - Published: 2019-06-06 - Earliest claimed: 2017-12-05 - Assignees: U.S. Well Services, LLC - Applicants: U.S. Well Services, Inc. - Inventors: Jared Oehring; Brandon N. Hinderliter; Lon Robinson - Web page: https://patentgrep.com/patent/US20190169971A1 ## CPC - E21B 43/2607: {Surface equipment specially adapted for fracturing operations} - F04D 13/06: the pump being electrically driven - H02J 3/38: Arrangements for feeding a single network from two or more generators or sources in parallel; Arrangements for feeding already energised networks from additional generators or sources in parallel - H02P 5/74: controlling two or more AC dynamo-electric motors (H02P5/46, H02P5/60 take precedence) - F04D 7/00: Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts (F04D11/005, F04D29/22 take precedence) - E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS - F04D: NON-POSITIVE-DISPLACEMENT PUMPS (engine fuel-injection pumps F02M; ion pumps H01J41/12; electrodynamic pumps H02K44/02) - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - H02P: CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS ## Abstract Embodiments include a hydraulic fracturing system for fracturing a subterranean formation. The system includes an electric pump, arranged on a first support structure, the electric pump coupled to a well associated with the subterranean formation and powered by at least one electric motor, and configured to pump fluid into a wellbore associated with the well at a high pressure so that the fluid passes from the wellbore into the subterranean formation and fractures the subterranean formation. The system also includes support equipment, arranged on a second support structure, electrically coupled to the electric pump, wherein the support equipment includes at least a transformer for distributing power to the electric pump, the power being received from at least one generator at a voltage higher than an operating voltage of the electric pump. ## Claims ### Claim 1 A hydraulic fracturing system for fracturing a subterranean formation, comprising: an electric pump, arranged on a first support structure, the electric pump coupled to a well associated with the subterranean formation and powered by at least one electric motor, and configured to pump fluid into a wellbore associated with the well at a high pressure so that the fluid passes from the wellbore into the subterranean formation and fractures the subterranean formation; and support equipment, arranged on a second support structure, electrically coupled to the electric pump, wherein the support equipment includes at least a transformer for distributing power to the electric pump, the power being received from at least one generator at a voltage higher than an operating voltage of the electric pump. ### Claim 2 (depends on 1) The system of claim 1, wherein the second support structure is separated from and distinct from the first support structure. ### Claim 3 (depends on 1) The system of claim 1, wherein the first support structure and the second support structure are at least one of a trailer, a skid, a pad, a truck bed, or a combination thereof. ### Claim 4 (depends on 1) The system of claim 1, further comprising: a variable frequency drive connected to the at least one electric motor to control the speed of the at least one electric motor. ### Claim 5 The system of 4, wherein the variable frequency drive is mounted on the second support structure. ### Claim 6 (depends on 1) The system of claim 1, wherein the first support structure includes a plurality of electric pumps, the plurality of electric pumps having a combined horsepower of between 5,000 and 6,000 horsepower. ### Claim 7 (depends on 1) The system of claim 1, further comprising: a switch gear positioned separate from the second support structure and between the at least one generator and the transformer. ### Claim 8 A hydraulic fracturing system for fracturing a subterranean formation, comprising: a first support structure, forming a pumping trailer, comprising: an electric pump fluidly connected to a well associated with the subterranean formation and configured to pump fluid into a wellbore associated with the well at a high pressure so that the fluid passes from the wellbore into the subterranean formation and fractures the subterranean formation; at least one electric motor providing operational energy to the electric pump; and a first support component, the first support component regulating operation of the electric pump; and a second support structure, forming a support trailer, comprising: a second support component, the second support component regulating electric power transmission to the electric pump. ### Claim 9 (depends on 8) The system of claim 8, wherein the second support component comprises at least one of a transformer, a variable frequency drive, or a motor control center. ### Claim 10 (depends on 8) The system of claim 8, wherein the first support structure and the second support structure are separate components arranged remote from and not in contact with one another. ### Claim 11 (depends on 8) The system of claim 8, wherein the first support structure and the second support structure are at least one of a trailer, a skid, a pad, a truck bed, or a combination thereof. ### Claim 12 (depends on 8) The system of claim 8, wherein the second support component is a transformer for distributing power to the electric pump, the power being received from at least one generator at a voltage higher than an operating voltage of the electric pump. ### Claim 13 (depends on 8) The system of claim 8, wherein the first support structure includes a plurality of electric pumps, the plurality of electric pumps having a combined horsepower of between 5,000 and 6,000 horsepower. ### Claim 14 (depends on 8) The system of claim 8, wherein the electric pump has a horsepower rating of between approximately 1,750 and approximately 3,000. ### Claim 15 (depends on 8) The system of claim 8, further comprising a plurality of pumping trailers and a plurality of support trailers arranged at well site, wherein a combined horsepower of the respective electric pumps of the plurality of pumping trailers is approximately 30,000. ### Claim 16 (depends on 8) The system of claim 8, wherein the first support component comprises at least one of a transformer, a variable frequency drive, or a motor control center. ### Claim 17 A hydraulic fracturing system for fracturing a subterranean formation, comprising: at least one generator; at least one switch gear receiving electrical power from the generator; an electric pump, arranged on a first support structure, the electric pump coupled to a well associated with the subterranean formation and powered by at least one electric motor arranged on the first support structure, the electric pump configured to pump fluid into a wellbore associated with the well at a high pressure so that the fluid passes from the wellbore into the subterranean formation and fractures the subterranean formation; and a transformer, arranged on a second support structure, positioned between the switch gear and at least one electric motor, the transformer reducing a voltage output from the at least one switchgear. ### Claim 18 (depends on 17) The system of claim 17, wherein the first support structure and the second support structure are separate components arranged remote from and not in contact with one another. ### Claim 19 (depends on 17) The system of claim 17, wherein the first support structure and the second support structure are at least one of a trailer, a skid, a pad, a truck bed, or a combination thereof. ### Claim 20 (depends on 17) The system of claim 17, wherein the first support structure includes a plurality of electric pumps, the plurality of electric pumps having a combined horsepower of between 5,000 and 6,000 horsepower.