Fracturing apparatus and vibration reduction method thereof

Patent metadata

Field	Value
Publication number	US-12092097-B2
Application number	US-202217693218-A
Country	US
Kind code	B2
Filing date	Mar 11, 2022
Priority date	Aug 12, 2021
Publication date	Sep 17, 2024
Grant date	Sep 17, 2024

Abstract

A fracturing apparatus and a vibration reduction method thereof. The fracturing apparatus includes at least one fracturing unit and a processing device, the fracturing unit includes: a plunger pump; a low-pressure liquid inlet manifold; a high-pressure discharge manifold; a pressure detection device, configured to detect a pressure value of the low-pressure fluid in the low-pressure liquid inlet manifold; and a vibration detection device, configured to detect vibration intensity of the plunger pump, the processing device is respectively communicated with the plunger pump, the pressure detection device and the vibration detection device, and is configured to control the plunger pump according to the vibration intensity detected by the vibration detection device and the pressure value detected by the pressure detection device. The fracturing apparatus can improve the displacement stability and serve life of the plunger pump.

First claim

What is claimed is:

1. A fracturing apparatus, including at least one fracturing unit and a processing device, wherein the fracturing unit includes:
a plunger pump;
a liquid inlet manifold, connected with the plunger pump and configured to provide fluid to the plunger pump;
a discharge manifold, connected with the plunger pump, and the plunger pump being configured to pressurize the fluid and discharge it through the discharge manifold;
a pressure detection device, configured to detect a pressure value of the fluid in the liquid inlet manifold; and
a vibration detection device, configured to detect vibration intensity of the plunger pump,
wherein the processing device is respectively communicated with the plunger pump, the pressure detection device and the vibration detection device, and is configured to control the plunger pump according to the vibration intensity detected by the vibration detection device and the pressure value detected by the pressure detection device.

2. The fracturing apparatus according to claim 1 , wherein the processing device is configured to compare the vibration intensity detected by the vibration detection device with a preset vibration intensity, compare the pressure value detected by the pressure detection device with a preset pressure range, and control the plunger pump to reduce a number of strokes of the plunger pump upon the vibration intensity being greater than the preset vibration intensity and the pressure value being within the preset pressure range.

3. The fracturing apparatus according to claim 1 , wherein the plunger pump includes a base, a power end and a hydraulic end, the power end and the hydraulic end are arranged on the base, and the power end is connected with the hydraulic end; and
the vibration detection device includes a first vibration sensor, a second vibration sensor, and a third vibration sensor, the first vibration sensor is located on the base and is configured to detect vibration intensity of the base, the second vibration sensor is located on the power end and is configured to detect vibration intensity of the power end, and the third vibration sensor is located on the hydraulic end and is configured to detect vibration intensity of the hydraulic end.

4. The fracturing apparatus according to claim 1 , wherein the fracturing unit further includes:
a prime mover, including a power take-off shaft;
a reduction gearbox, including an input gear shaft; and
a fixing component,
wherein the plunger pump includes a power input shaft, the power input shaft is connected with the reduction gearbox, the input gear shaft is connected with the power take-off shaft, one end of the fixing component is fixedly connected with the plunger pump, and an other end of the fixing component is fixedly connected with the reduction gearbox.

5. The fracturing apparatus according to claim 4 , wherein a connection position of the fixing component and the reduction gearbox is located on a side of the input gear shaft away from the power input shaft.

6. The fracturing apparatus according to claim 4 , wherein the fixing component includes:
a first pull rod, wherein a first end of the first pull rod is fixedly connected with the plunger pump, and a second end of the first pull rod is fixedly connected with the reduction gearbox; and
a second pull rod, wherein one end of the second pull rod is fixedly connected with the first end or the second end of the first pull rod, the other end of the second pull rod is fixedly connected with the plunger pump or the reduction gearbox.

7. The fracturing apparatus according to claim 4 , wherein the fracturing unit further includes:
a flexible coupling or a flexible drive shaft, one end of the flexible coupling or one end of the flexible drive shaft is connected with the input gear shaft, and the other end of the flexible coupling or the other end of the flexible drive shaft is connected with the power take-off shaft.

8. The fracturing apparatus according to claim 4 , wherein the fracturing unit further includes:
a silicone oil damper, sleeved on at least one of the input gear shaft and the power take-off shaft.

9. The fracturing apparatus according to claim 1 , wherein the fracturing unit further includes:
an equipment carrier; and
an elastic vibration damping device,
wherein the plunger pump is fixed on the equipment carrier, one end of the elastic vibration damping device is connected with the discharge manifold, and an other end of the elastic vibration damping device is connected with the equipment carrier or the plunger pump.

10. The fracturing apparatus according to claim 9 , wherein the elastic vibration damping device includes at least one of a steel wire vibration damper and a rubber vibration damping pad.

11. The fracturing apparatus according to claim 1 , wherein the discharge manifold includes:
a first discharge pipe;
a second discharge pipe; and
a movable elbow, respectively connected with the first discharge pipe and the second discharge pipe.

12. The fracturing apparatus according to claim 1 , wherein the fracturing unit further includes:
a groove joint, located at a fluid inlet of the liquid inlet manifold; and
an energy storage vibration damping module, located on the liquid inlet pipe manifold.

13. The fracturing apparatus according to claim 1 , wherein the liquid inlet manifold includes:
an annular inlet manifold, including an upper liquid inlet pipe, a lower liquid inlet pipe, a first connection pipe and a second connection pipe, wherein the upper liquid inlet pipe and the lower liquid inlet pipe are arranged opposite to each other, the first connection pipe is respectively connected with a first end of the upper liquid inlet pipe and a first end of the lower liquid inlet pipe, and the second connection pipe is respectively connected with a second end of the upper liquid inlet pipe and a second end of the lower liquid inlet pipe;
a liquid inlet connector, located on the upper liquid inlet pipe and configured to be connected with the plunger pump;
a liquid supply pipe, communicated with the first end of the lower liquid inlet pipe; and
an intermediate connection pipe, wherein one end of the intermediate connection pipe is connected with a middle portion of the upper liquid inlet pipe, the other end of the intermediate connection pipe is communicated with a middle portion of the lower liquid inlet pipe.

14. The fracturing apparatus according to claim 13 , wherein a first distance between the first end of the upper liquid inlet pipe and the first end of the lower liquid inlet pipe is greater than a second distance between the second end of the upper liquid inlet pipe and the second end of the lower liquid inlet pipe.

15. The fracturing apparatus according to claim 13 , wherein the liquid inlet manifold includes:
a drain port, located on the upper liquid inlet pipe; and
a check port, located on the lower liquid inlet pipe.

16. The fracturing apparatus according to claim 1 , wherein the liquid inlet manifold includes:
a main liquid inlet pipe;
a liquid supply pipe, connected with a first end of the main liquid inlet pipe;
a curved liquid feeding pipe, wherein one end of the curved liquid feeding pipe is connected with a second end of the main liquid inlet pipe, an other end of the curved liquid feeding pipe is provided with a liquid inlet connector, the liquid inlet connector is configured to be connected with the plunger pump; and
at least one liquid feeding pipe, one end of each of the at least one liquid feeding pipe is communicated with the main liquid inlet pipe, an other

Assignees

• Yantai Jereh Petroleum Equipment & Technologies Co Ltd

Inventors

• Fu Shanwu
• Li Liang
• Du Ruijie
• Zhong Jifeng
• Chang Sheng
• Zhang Jian

Classifications

• F04B2205/01

  Pressure before the pump inlet · CPC title

• F04B49/10

  Other safety measures · CPC title

• F04B17/06

  Mobile combinations · CPC title

• F04B15/02

  the fluids being viscous or non-homogeneous · CPC title

• F04B49/065

  and making use of computers · CPC title