Patent · US9745840B2 · B2 · US

Electric powered pump down

(11) Publication number

US9745840B2

(21) Application number

15/291,842

(22) Filing date

2016-10-12

(30) Priority date

2012-11-16

(43) Publication date

2017-08-29

(45) Date of grant

2017-08-29

(51) IPC

E21B 17/20; E21B 43/116; E21B 43/26; F01D 15/10; H02P 23/00; E21B 23/08; E21B 43/267; F01D 15/08; F02C 3/22; F04B 17/03; F04B 19/22; F04B 23/04; F04B 47/02; F04B 49/06; F04B 49/20

(52) CPC

E21B Earth or rock drilling; obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells: 43/2607, 23/08, 43/26, 43/267
F01D Non-positive displacement machines or engines, e.g. steam turbines: 15/08, 15/10
F02C Gas-turbine plants; air intakes for jet-propulsion plants; controlling fuel supply in air-breathing jet-propulsion plants: 3/22
F04B Positive-displacement machines for liquids; pumps: 17/03, 19/22, 23/04, 47/02, 49/065, 49/20
F05D Indexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants: 2220/32
H02P Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils: 23/00

(73) Assignee

US Well Services LLC

(72) Inventors

Jared Oehring; Brandon N. Hinderliter

(54) Title

Electric powered pump down

(57) Abstract

A method of operations in a subterranean formation, including driving a pump with an electrically powered motor to pressurize fluid, inserting a tool into a wellbore that intersects the formation, and directing the pressurized fluid into the wellbore above the tool to push the tool into the wellbore.

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Claims (20)

A method of operations in a subterranean formation, the method comprising: driving a pump with an electrically powered motor to pressurize fluid; inserting a tool into a wellbore that intersects the formation; pressurizing fluid with a boost pump to form a boost fluid; directing the boost fluid to the pump; and directing the pressurized fluid into the wellbore above the tool to push the tool into the wellbore.
The method of claim 1, further comprising urging the tool into the wellbore with the pressurized fluid until the tool reaches a predetermined location in the formation.
The method of claim 1, wherein the tool comprises a perforating gun.
The method of claim 1, wherein the wellbore comprises a first wellbore, and wherein the pressurized fluid is simultaneously directed to a second wellbore that also intersects the subterranean formation.
The method of claim 4, wherein hydraulic fracturing is performed in the second wellbore.
The method of claim 5, wherein the pump comprises a first pump and a second pump, and wherein fluid pressurized by the first pump is directed into the first wellbore to push the tool into the first wellbore, and fluid pressurized by the second pump is directed into the second wellbore to use in hydraulic fracturing.
The method of claim 1, wherein the boost pump is an electric blender.
The method of claim 1, wherein electricity that powers the motor is generated with a generator that is proximate the electric motor.
The method of claim 8, wherein a wireline system is powered by the electricity.
A method of inserting a tool in a subterranean formation, the method comprising: generating electricity; energizing electric motors with the electricity; pressurizing fluid with a boost pump to form a boost fluid; directing the boost fluid to a pump down pump; driving a fracturing pump with at least one of the electric motors; and driving the pump down pump with at least one of the electric motors to push the tool in the wellbore.
The method of claim 10, wherein the electricity is generated by a diesel generator.
The method of claim 10, wherein the electricity is generated by a turbine generator.
The method of claim 10, further comprising powering a sand conveyer and hydration unit with the electricity.
The method of claim 10, further comprising using a first fluid pressurized by the fracturing pump to fracture the formation, and using a second fluid that is pressurized by the pump down pump in a pump down operation.
The method of claim 14, wherein the first fluid is directed to a first wellbore that intersects the formation, and the second fluid is directed to a second wellbore that intersects the formation.
A system for use in a subterranean formation operation comprising: a pump down pump in communication with a wellbore that intersects the formation, and that pressurizes fluid in the wellbore; a hydraulic fracturing pump in communication with the wellbore that intersects the formation, and that pressurizes fluid in the wellbore; an electric motor that drives the pump down pump; a tool positioned in the wellbore below at least a portion of the fluid pressurized by the pump down pump, and that is pushed toward the bottom of the wellbore by the fluid.
The system of claim 16, wherein the electric motor is a first electric motor and a second electric motor, the first electric motor driving the pump down pump, and the second electric motor driving the hydraulic fracturing pump.
The system of claim 16, further comprising gas powered turbine generators.
The system of claim 18, further comprising a wireline system that is in electrical communication with the turbine generators.
The system of claim 16, wherein the wellbore is a first wellbore and a second wellbore, the pump down pump is in communication with the first wellbore, and the hydraulic fracturing pump is in communication with the second wellbore.

Description

1. Field of Invention

The present disclosure relates to operations in a subterranean formations. In particular, the present disclosure relates to a system that uses fluid pressurized by electrically powered pumps for fracturing and for pump down operations.

2. Description of Prior Art

Hydraulic fracturing is a technique used to stimulate production from some hydrocarbon producing wells. The technique usually involves injecting fluid into a wellbore at a pressure sufficient to generate fissures in the formation surrounding the wellbore. Typically the pressurized fluid is injected into a portion of the wellbore that is pressure isolated from the remaining length of the wellbore so that fracturing is limited to a designated portion of the formation. The fracturing fluid slurry, whose primary component is usually water, includes proppant (such as sand or ceramic) that migrate into the fractures with the fracturing fluid slurry and remain to prop open the fractures after pressure is no longer applied to the wellbore. A primary fluid for the slurry other than water, such as nitrogen, carbon dioxide, foam (nitrogen and water), diesel, or other fluids is sometimes used as the primary component instead of water. Typically hydraulic fracturing fleets include a data van unit, blender unit, hydration unit, chemical additive unit, hydraulic fracturing pump unit, sand equipment, and other equipment.

Traditionally, the fracturing fluid slurry has been pressurized on surface by high pressure pumps powered by diesel engines.

Citations (167)

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Record as JSON

{
  "publication_number": "US9745840B2",
  "country": "US",
  "kind": "B2",
  "title": "Electric powered pump down",
  "abstract": "A method of operations in a subterranean formation, including driving a pump with an electrically powered motor to pressurize fluid, inserting a tool into a wellbore that intersects the formation, and directing the pressurized fluid into the wellbore above the tool to push the tool into the wellbore.",
  "claims": [
    "1. A method of operations in a subterranean formation, the method comprising: driving a pump with an electrically powered motor to pressurize fluid; inserting a tool into a wellbore that intersects the formation; pressurizing fluid with a boost pump to form a boost fluid; directing the boost fluid to the pump; and directing the pressurized fluid into the wellbore above the tool to push the tool into the wellbore.",
    "2. The method of claim 1, further comprising urging the tool into the wellbore with the pressurized fluid until the tool reaches a predetermined location in the formation.",
    "3. The method of claim 1, wherein the tool comprises a perforating gun.",
    "4. The method of claim 1, wherein the wellbore comprises a first wellbore, and wherein the pressurized fluid is simultaneously directed to a second wellbore that also intersects the subterranean formation.",
    "5. The method of claim 4, wherein hydraulic fracturing is performed in the second wellbore.",
    "6. The method of claim 5, wherein the pump comprises a first pump and a second pump, and wherein fluid pressurized by the first pump is directed into the first wellbore to push the tool into the first wellbore, and fluid pressurized by the second pump is directed into the second wellbore to use in hydraulic fracturing.",
    "7. The method of claim 1, wherein the boost pump is an electric blender.",
    "8. The method of claim 1, wherein electricity that powers the motor is generated with a generator that is proximate the electric motor.",
    "9. The method of claim 8, wherein a wireline system is powered by the electricity.",
    "10. A method of inserting a tool in a subterranean formation, the method comprising: generating electricity; energizing electric motors with the electricity; pressurizing fluid with a boost pump to form a boost fluid; directing the boost fluid to a pump down pump; driving a fracturing pump with at least one of the electric motors; and driving the pump down pump with at least one of the electric motors to push the tool in the wellbore.",
    "11. The method of claim 10, wherein the electricity is generated by a diesel generator.",
    "12. The method of claim 10, wherein the electricity is generated by a turbine generator.",
    "13. The method of claim 10, further comprising powering a sand conveyer and hydration unit with the electricity.",
    "14. The method of claim 10, further comprising using a first fluid pressurized by the fracturing pump to fracture the formation, and using a second fluid that is pressurized by the pump down pump in a pump down operation.",
    "15. The method of claim 14, wherein the first fluid is directed to a first wellbore that intersects the formation, and the second fluid is directed to a second wellbore that intersects the formation.",
    "16. A system for use in a subterranean formation operation comprising: a pump down pump in communication with a wellbore that intersects the formation, and that pressurizes fluid in the wellbore; a hydraulic fracturing pump in communication with the wellbore that intersects the formation, and that pressurizes fluid in the wellbore; an electric motor that drives the pump down pump; a tool positioned in the wellbore below at least a portion of the fluid pressurized by the pump down pump, and that is pushed toward the bottom of the wellbore by the fluid.",
    "17. The system of claim 16, wherein the electric motor is a first electric motor and a second electric motor, the first electric motor driving the pump down pump, and the second electric motor driving the hydraulic fracturing pump.",
    "18. The system of claim 16, further comprising gas powered turbine generators.",
    "19. The system of claim 18, further comprising a wireline system that is in electrical communication with the turbine generators.",
    "20. The system of claim 16, wherein the wellbore is a first wellbore and a second wellbore, the pump down pump is in communication with the first wellbore, and the hydraulic fracturing pump is in communication with the second wellbore."
  ],
  "description_excerpt": "1. Field of Invention\n\nThe present disclosure relates to operations in a subterranean formations. In particular, the present disclosure relates to a system that uses fluid pressurized by electrically powered pumps for fracturing and for pump down operations.\n\n2. Description of Prior Art\n\nHydraulic fracturing is a technique used to stimulate production from some hydrocarbon producing wells. The technique usually involves injecting fluid into a wellbore at a pressure sufficient to generate fissures in the formation surrounding the wellbore. Typically the pressurized fluid is injected into a portion of the wellbore that is pressure isolated from the remaining length of the wellbore so that fracturing is limited to a designated portion of the formation. The fracturing fluid slurry, whose primary component is usually water, includes proppant (such as sand or ceramic) that migrate into the fractures with the fracturing fluid slurry and remain to prop open the fractures after pressure is no longer applied to the wellbore. A primary fluid for the slurry other than water, such as nitrogen, carbon dioxide, foam (nitrogen and water), diesel, or other fluids is sometimes used as the primary component instead of water. Typically hydraulic fracturing fleets include a data van unit, blender unit, hydration unit, chemical additive unit, hydraulic fracturing pump unit, sand equipment, and other equipment.\n\nTraditionally, the fracturing fluid slurry has been pressurized on surface by high pressure pumps powered by diesel engines.",
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  "assignees": [
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  "inventors": [
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  "filing_date": "2016-10-12",
  "publication_date": "2017-08-29",
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