Switchable apparatus, well site and control method thereof, device, and storage medium

Patent metadata

Field	Value
Publication number	US-12060784-B2
Application number	US-202318184360-A
Country	US
Kind code	B2
Filing date	Mar 15, 2023
Priority date	Jan 11, 2021
Publication date	Aug 13, 2024
Grant date	Aug 13, 2024

Abstract

A fracturing and power generation switchable apparatus, a well site, a control method of the well site, a control device, and a storage medium are provided. The fracturing and power generation switchable apparatus includes a power device, a speed transmission device, and a bearing base. The switchable apparatus is configured to switch between a first state and a second state, under the first state, the plunger pump is fixed on the bearing base and is connected with the speed transmission device, and the switchable apparatus is supplied as a fracturing apparatus, and under the second state, the electric generator is fixed on the bearing base and is connected with the speed transmission device, and the switchable apparatus is supplied as a power generation apparatus.

First claim

What is claimed is:

1. A fracturing system comprising a power-load subsystem, the power-load subsystem comprising:
a power device;
a rotation transmission device connected with the power device; and
a bearing base configured for carrying and fixing a first load device,
wherein:
the bearing base comprises a first side frame structure and a second side frame structure opposite to the first side frame structure, the first side frame structure and the second side frame structure being connected by a plurality of bridging structures;
each of the first side frame structure and second side frame structure comprises a top supporting plate, a bottom supporting plate, and a relief groove along and between the top supporting plate and the bottom supporting plate, the relief groove being configured to accommodate a forklift arm;
the top supporting plate of the first side frame structure and the top supporting plate of the second side frame structure are each bolted with at least a first set of fixing plates directly above the relief groove for fixing the first load device; and
the bearing base is further configured to allow for a switching from the first load device to a second load device and to fix the second load device when the second load device is driven by the power device.

2. The fracturing system of claim 1 , where the first load device is detachably provided with a first connection unit and wherein the first load device is connected with cables and/or fluid lines required for an operation of the first load device via the first connection unit.

3. The fracturing system of claim 2 , wherein the first connection unit is configured to fit the second load device such that it is capable of being decoupled from the first load device and coupled to the second load device when switching the first load device with the second load device.

4. The fracturing system of claim 2 , wherein:
the first connection unit comprises a base and a connection structure;
the connection structure is movably connected with the base;
the connection structure comprises a plurality of interfaces, the plurality of interfaces being configured to connect the cables and/or fluid lines required for the operation of the first load device, and the plurality of interfaces passing through a plug-in surface of the connection structure; and
when the connection structure is not connected with the cables and/or fluid lines required for the operation of the first load device, the connection structure is movable such that the plug-in surface of the connection structure overlaps with a surface of the base.

5. The fracturing system of claim 4 , wherein:
the connection structure is rotatably connected with the base; and
when the connection structure is connected with the cables and/or fluid lines required for the operation of the first load device, the plug-in surface of the connection structure is configured to rotatable toward a side away from the surface of the base so that the plug-in surface becomes perpendicular to the surface of the base.

6. The fracturing system of claim 4 , wherein when the connection structure is connected with the cables and/or fluid lines required for the operation of the first load device, the plug-in surface of the connection structure is configured to slide to a side away from the base, so that an orthographic projection of the plug-in surface of the connection structure on a plane parallel to the surface of the base is at least partially outside the surface of the base.

7. The fracturing system of claim 4 , wherein the plurality of interfaces are configured to connect with at least one of lubrication pipelines, control cables, sensor wires, and hydraulic pipelines.

8. The fracturing system of claim 2 , comprising a second connection unit detachably provided with the power-load subsystem and configured to couple with the second load device.

9. The fracturing system of claim 2 , wherein the first load device comprises a first plunger pump.

10. The fracturing system of claim 9 , wherein the second load device comprises a second plunger pump.

11. The fracturing system of claim 10 , further comprising:
a manifold, configured to transport a fracturing fluid to a wellhead; and
a plurality of power-load subsystems of claim 9 connected with the manifold at two sides of the manifold, and at least one of the power-load subsystems is configured to operate with the first load device disposed therein.

12. The fracturing system of claim 11 , further comprising a control circuitry configured to determine whether to switch the first load device of at least one of the plurality of the power-load subsystems to the second load device.

13. The fracturing system of claim 12 , wherein the control circuitry is configured to determine whether to switch the first load device of the at least one of the plurality of the power-load subsystems to the second load device by monitoring a displacement rate of the fracturing fluid in the manifold.

14. The fracturing system of claim 11 , wherein each of the plurality of power-load subsystems is disposed on a semi-trailer.

15. The fracturing system of claim 9 , wherein the second load device comprises an electric generator.

16. The fracturing system of claim 15 , further comprising:
a manifold, configured to transport a fracturing fluid to a wellhead; and
a plurality of power-load subsystems of claim 10 connected with the manifold at two sides of the manifold, and at least one of the power-load subsystems is configured to operate with the first load device disposed therein.

17. The fracturing system of claim 16 , further comprising a control circuitry configured to determine whether to switch the first load device of at least one of the plurality of the power-load subsystems to the second load device.

18. The fracturing system of claim 17 , wherein the control circuitry is configured to determine whether to switch the first load device of the at least one of the plurality of the power-load subsystems to the second load device by:
monitoring a total actual displacement of the fracturing fluid;
calculating a difference between the total actual displacement of the fracturing fluid and a displacement demand; and
selecting at least one first load device within the plurality of power-load subsystems to switch to the second load device based on the difference.

19. The fracturing system of claim 18 , wherein the control circuitry is configured to select at least one first load device to switch to the second load device according to an ascending order of fracturing fluid displacement among the plurality of power-load subsystems.

20. The fracturing system of claim 1 , wherein:
the power device comprises a turbine engine, and the rotation transmission device comprises a rotation speed reducer;
an output shaft of the turbine engine is connected with an input shaft of the rotation speed reducer by a flange; and
an output shaft of the rotation speed reducer is connected directly or via a coupler with an input of the first load device or the second load device.

Assignees

• Yantai Jereh Petroleum Equipment & Technologies Co Ltd

Inventors

• Zhang Peng
• Lv Liang
• Zhang Rikui
• Mao Zhuqing
• Wang Jianwei
• Lan Chunqiang
• Wu Yipeng
• Li Xincheng

Classifications

• F04B49/007

  Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel (centrifugal pumps F04D15/0072) · CPC title

• F04B23/06

  the pumps being all of reciprocating positive-displacement type · CPC title

• H02K7/1823

  structurally associated with turbines or similar engines · CPC title

• F04B17/03

  driven by electric motors · CPC title

• F01D15/10

  Adaptations for driving, or combinations with, electric generators · CPC title