SYSTEMS AND METHODS FOR HYDRAULIC FRACTURING

Abstract
An embodiment of a pumping unit includes a gas turbine engine, an enclosure housing the engine, an exhaust assembly connected to the engine, an air intake duct connected to the engine, and an air treatment system connected to the air intake duct. The air treatment system including one or more inlet pre-cleaners configured to eject debris. Each of the inlet pre-cleaners having a cylindrical tubular portion configured to channel air toward the air intake duct. In addition, the pumping unit includes a gearbox operatively coupled to the engine and a drive shaft having a first end operatively coupled to the gearbox. Further, the pumping unit includes a pump comprising an input shaft operatively coupled to a second end of the drive shaft, wherein the engine, the gearbox, the drive shaft, and the pump are disposed along a longitudinal axis of the pumping unit.
Description
Claims
  • 1. A pumping unit, comprising: a gas turbine engine;an enclosure housing the gas turbine engine;an exhaust assembly connected to the gas turbine engine;an air intake duct connected to the gas turbine engine;an air treatment system connected to the air intake duct, the air treatment system comprising one or more inlet pre-cleaners configured to eject debris, each of the one or more inlet pre-cleaners having a cylindrical tubular portion configured to channel air toward the air intake duct;a gearbox operatively coupled to the gas turbine engine;a drive shaft having a first end and a second end, wherein the first end of the drive shaft is operatively coupled to the gearbox; anda pump comprising an input shaft operatively coupled to the second end of the drive shaft, wherein the gas turbine engine, the gearbox, the drive shaft, and the pump are disposed along a longitudinal axis of the pumping unit.
  • 2. The pumping unit of claim 1, further comprising a trailer configured to support both the pump and the enclosure.
  • 3. The pumping unit of claim 1, wherein the gas turbine engine is a dual fuel, dual shaft gas turbine engine.
  • 4. The pumping unit of claim 1, wherein the gas turbine engine is cantilever mounted to the gearbox and the gearbox is supported by a floor of the enclosure.
  • 5. The pumping unit of claim 1, further comprising a brake configured to stop rotation of the drive shaft.
  • 6. The pumping unit of claim 1, wherein a longitudinal axis of the drive shaft is offset from a longitudinal axis of the input shaft of the pump.
  • 7. The pumping unit of claim 1, further comprising an electric generator mechanically linked to the gearbox, the electric generator configured to convert electricity from mechanical energy generated by the gas turbine engine.
  • 8. The pumping unit of claim 1, further comprising one or more torsional vibration dampers operably connected to the input shaft of the pump and configured to reduce tortional resonance within the gas turbine engine, the gearbox, the drive shaft, or the pump.
  • 9. The pumping unit of claim 2, further comprising: auxiliary equipment comprising lubrication and cooling equipment driven by hydraulic motors to support operation of the hydraulic fracturing unit including the pump; andone or more hydraulic power arrangements configured to power the auxiliary equipment, each hydraulic power arrangement comprising a hydraulic power source including an electric motor configured to drive a plurality of pumps via a hydraulic pump drive to generate hydraulic power.
  • 10. The pumping unit of claim 9, wherein the auxiliary equipment is powered by an electric power arrangement, the electric power arrangement comprising an electric motor located on a gooseneck area of the trailer, wherein the electric motor is configured to drive the auxiliary equipment.
  • 11. A pumping unit, comprising: a chassis;an enclosure disposed on the chassis, the enclosure housing a gas turbine engine and a gearbox operatively coupled to the gas turbine engine, wherein the enclosure comprises: a first lateral side;a second lateral side; anda door mounted on the first lateral side proximate to the gas turbine engine;an exhaust assembly connected to the gas turbine engine;an air intake duct connected to the gas turbine engine;an air treatment system connected to the air intake duct, the air treatment system comprising one or more inlet pre-cleaners configured to eject debris particles via inertia of the debris particles;a drive shaft having a first end and a second end, wherein the first end of the drive shaft is operatively coupled to the gearbox; anda pump disposed on the chassis, the pump comprising an input shaft operatively coupled to the second end of the drive shaft, wherein the gas turbine engine, the gearbox, the drive shaft, and the pump are disposed along a longitudinal axis of the pumping unit.
  • 12. The pumping unit of claim 1, wherein the gas turbine engine is a dual fuel, dual shaft gas turbine engine.
  • 13. The pumping unit of claim 11, wherein the gas turbine engine is cantilever mounted to the gearbox and the gearbox is supported by a floor of the enclosure.
  • 14. The pumping unit of claim 11, further comprising a brake configured to stop rotation of the drive shaft.
  • 15. The pumping unit of claim 11, wherein a longitudinal axis of the drive shaft is offset from a longitudinal axis of the input shaft of the pump.
  • 16. The pumping unit of claim 11, further comprising one or more torsional vibration dampers operably connected to the input shaft of the pump and configured to reduce tortional resonance within the gas turbine engine, the gearbox, the drive shaft, or the pump.
  • 17. The pumping unit of claim 11, further comprising a fuel line connected to the pumping unit and configured to supply field gas from a fuel source to the gas turbine engine.
  • 18. The pumping unit of claim 11, further comprising: auxiliary equipment comprising lubrication and cooling equipment driven by hydraulic motors to support operation of the hydraulic fracturing unit including the pump; andone or more hydraulic power arrangements configured to power the auxiliary equipment, each hydraulic power arrangement comprising a hydraulic power source including an electric motor configured to drive a plurality of pumps via a hydraulic pump drive to generate hydraulic power,wherein the auxiliary equipment is powered by an electric power arrangement, the electric power arrangement comprising an electric motor configured to drive the auxiliary equipment.
  • 19. A hydraulic fracturing system comprising: a plurality of hydraulic fracturing units;a fuel line configured to supply fuel from a fuel source to the plurality of hydraulic fracturing units; anda first hydraulic fracturing unit of the plurality of hydraulic fracturing units comprising: a gas turbine engine;an enclosure housing the gas turbine engine;an exhaust assembly connected to the gas turbine engine;an air intake duct connected to the gas turbine engine;an air treatment system connected to the air intake duct, the air treatment system comprising one or more inlet pre-cleaners configured to eject debris;a gearbox operatively coupled to the gas turbine engine;a drive shaft having a first end and a second end, wherein the first end of the drive shaft is operatively coupled to the gearbox; anda pump comprising an input shaft operatively coupled to the second end of the drive shaft, wherein the gas turbine engine, the gearbox, the drive shaft, and the pump are disposed along a longitudinal axis of the pump, and wherein a longitudinal axis of the drive shaft is offset from a longitudinal axis of the input shaft of the pump.
  • 20. The hydraulic fracturing system of claim 19, wherein the first hydraulic fracturing unit further comprises: auxiliary equipment comprising lubrication and cooling equipment driven by hydraulic motors to support operation of the hydraulic fracturing unit including the pump; andone or more hydraulic power arrangements configured to power the auxiliary equipment, each hydraulic power arrangement comprising a hydraulic power source including an electric motor configured to drive a plurality of pumps via a hydraulic pump drive to generate hydraulic power.
  • 21. The hydraulic fracturing system of claim 19, wherein the gas turbine engine is a dual fuel, dual shaft gas turbine engine.
  • 22. The hydraulic fracturing system of claim 19, wherein the fuel line is connected to the pump and configured to supply field gas from a fuel source to the gas turbine engine.
  • 23. The hydraulic fracturing system of claim 20, wherein the auxiliary equipment is powered by an electric power arrangement, the electric power arrangement comprising an electric motor located on a gooseneck area of a trailer, wherein the electric motor configured to drive the auxiliary equipment.
Provisional Applications (8)
Number Date Country
62704565 May 2020 US
62704567 May 2020 US
62704560 May 2020 US
62900291 Sep 2019 US
62899957 Sep 2019 US
62899963 Sep 2019 US
62899971 Sep 2019 US
62899975 Sep 2019 US
Divisions (4)
Number Date Country
Parent 17519827 Nov 2021 US
Child 17676949 US
Parent 17122433 Dec 2020 US
Child 17154601 US
Parent 16946079 Jun 2020 US
Child 17203002 US
Parent 15929924 May 2020 US
Child 17122433 US
Continuations (24)
Number Date Country
Parent 17976095 Oct 2022 US
Child 18116383 US
Parent 17936885 Sep 2022 US
Child 18147880 US
Parent 17954118 Sep 2022 US
Child 18148209 US
Parent 17883693 Aug 2022 US
Child 17936885 US
Parent 17808792 Jun 2022 US
Child 17883693 US
Parent 17720390 Apr 2022 US
Child 17808792 US
Parent 17671734 Feb 2022 US
Child 17720390 US
Parent 17585766 Jan 2022 US
Child 18108821 US
Parent 17555815 Dec 2021 US
Child 17976095 US
Parent 17502120 Oct 2021 US
Child 17519827 US
Parent 17498916 Oct 2021 US
Child 17502120 US
Parent 17469970 Sep 2021 US
Child 17585766 US
Parent 17403373 Aug 2021 US
Child 17954118 US
Parent 17363151 Jun 2021 US
Child 17469970 US
Parent 17326711 May 2021 US
Child 17403373 US
Parent 17213802 Mar 2021 US
Child 17326711 US
Parent 17213562 Mar 2021 US
Child 17363151 US
Parent 17204338 Mar 2021 US
Child 17671734 US
Parent 17203002 Mar 2021 US
Child 17555815 US
Parent 17182325 Feb 2021 US
Child 17498916 US
Parent 17154601 Jan 2021 US
Child 17204338 US
Parent 16948289 Sep 2020 US
Child 17213802 US
Parent 16948290 Sep 2020 US
Child 17182325 US
Parent 16948291 Sep 2020 US
Child 17213562 US
Continuation in Parts (5)
Number Date Country
Parent 18116383 Mar 2023 US
Child 18131207 US
Parent 18108821 Feb 2023 US
Child 18131207 US
Parent 18148209 Dec 2022 US
Child 18131207 US
Parent 18147880 Dec 2022 US
Child 18131207 US
Parent 17676949 Feb 2022 US
Child 18131207 US