IP Library › Granted Patent US 12,735,969
Granted Patent B2
US 12,735,969 · App. 18/972,292 · Granted Sep 15, 2026

Electrically-driven fracturing system

Inventors: Jifeng Zhong (Yantai, CN); Jihua Wang (Yantai, CN); Liang Lv (Yantai, CN); Shouzhe Li (Yantai, CN); Yipeng Wu (Yantai, CN); Xincheng Li (Yantai, CN)
Assignee: YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
E21B43/2607F04B17/03H02J3/46H02J7/35H02J2101/24
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Quick Facts
Patent No.
US 12,735,969
App. No.
18/972,292
Granted
Sep 15, 2026
Kind
B2
Abstract

An electrically-driven fracturing system, which includes a main power generation device, a first auxiliary power generation device, a switch device, and an electrically-driven fracturing device; the electrically-driven fracturing device includes a fracturing motor and a fracturing auxiliary device; a rated generation power of the main power generation device is greater than that of the first auxiliary power generation device, a rated output voltage of the main power generation device is greater than that of the first auxiliary power generation device, the input end of the high-voltage switch group is connected to the main power generation device, the output end of the high-voltage switch group is connected to the fracturing motor, the input end of the low-voltage switch group is connected to the first auxiliary power generation device, and the output end of the low-voltage switch group is connected to the fracturing auxiliary device.

Claims (27)

1 . A power system for electrically-driven fracturing, comprising:

a main power generation device;

a first auxiliary power generation device; and

a switch device, comprising a first switch group and a second switch group;

wherein a rated generation power of the main power generation device is greater than a rated generation power of the first auxiliary power generation device;

wherein a ratio of a rated output voltage of the main power generation device to a rated output voltage of the first auxiliary power generation device is greater than 10; and

wherein an input end of the second switch group is connected to the main power generation device, and an input end of the first switch group is connected to the first auxiliary power generation device.

2 . The power system of claim 1 , wherein the main power generation device comprises a generator and a power generation auxiliary device, and the power generation auxiliary device is connected to an output end of the first switch group.

3 . The power system of claim 1 , wherein a ratio of the rated generation power of the main power generation device to the rated generation power of the first auxiliary power generation device is greater than 10.

4 . The power system of claim 1 , wherein the rated generation power of the main power generation device is greater than 30 MW.

5 . The power system of claim 1 , wherein the rated output voltage of the main power generation device is greater than 10 kV.

6 . The power system of claim 1 , wherein the rated generation power of the first auxiliary power generation device is less than 1 MW.

7 . The power system of claim 1 , wherein the rated output voltage of the first auxiliary power generation device is less than 1 kV.

8 . The power system of claim 1 , further comprising an energy storage unit.

9 . The power system of claim 8 , further comprising:

a second auxiliary power generation device,

wherein the second auxiliary power generation device is connected to an input end of the energy storage unit.

10 . The power system of claim 9 , wherein the second auxiliary power generation device comprises a solar power generation panel.

11 . The power system of claim 8 , wherein an input end of the energy storage unit is connected to an output end of the first switch group.

12 . The power system of claim 8 , wherein the energy storage unit comprises at least one selected from a sodium-ion battery, a lithium-ion battery, a super capacitor, and a hydrogen fuel cell.

13 . The power system of claim 2 , wherein the main power generation device further comprises a radiator impeller, the power generation auxiliary device comprises a heat dissipation motor, and the heat dissipation motor drives the radiator impeller.

14 . The power system of claim 2 , wherein the main power generation device further comprises a lubrication pump, the power generation auxiliary device comprises a lubrication motor, and the lubrication motor drives the lubrication pump.

15 . The power system of claim 2 , wherein the power generation auxiliary device comprises a barring engine, and the barring engine is connected to the output end of the first switch group.

16 . The power system of claim 1 , wherein the main power generation device is a gas turbine generator.

17 . The power system of claim 1 , wherein the first auxiliary power generation device is a piston generator.

18 . The power system of claim 1 , wherein each of the first switch group and the second switch group comprises an output end, the output end of the first switch group is configured to connect to a fracturing auxiliary device, and the output end of the second switch group is configured to connect to a fracturing motor.

19 . An electrically-driven fracturing system, comprising the power system of claim 1 and a fracturing motor, wherein the fracturing motor is connected to an output end of the second switch group of the power system.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 6, 2024
From: ZHONG, JIFENG; WANG, JIHUA; LV, LIANG; LI, SHOUZHE; WU, YIPENG; LI, XINCHENG
To: YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
Reel/Frame 069513/0550 →
Continuity (2)
Continuation 17774795 · Feb 16, 2022
Related Publication 20250101845A1 · Mar 27, 2025
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