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Hydraulic pulse generator and hydraulic pulse fracturing device

A hydraulic pulse and generator technology, which is applied in vibration generating devices, wellbore/well components, and production fluids, etc., can solve the problems of ineffective fracturing fluid and ineffective fracture formation.

Active Publication Date: 2021-01-29
NORTHEAST GASOLINEEUM UNIV
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  • Claims
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Problems solved by technology

[0006] The present invention also provides a hydraulic pulse fracturing device, which solves the problem that the existing hydraulic pulse fracturing device cannot make the fracturing fluid enter the formation with high impact force during hydraulic fracturing, resulting in the inability to efficiently create fractures

Method used

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  • Hydraulic pulse generator and hydraulic pulse fracturing device
  • Hydraulic pulse generator and hydraulic pulse fracturing device
  • Hydraulic pulse generator and hydraulic pulse fracturing device

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Embodiment Construction

[0039] The present invention will be described below based on examples, but it should be noted that the present invention is not limited to these examples. In the following detailed description of the invention, some specific details are set forth in detail. However, the present invention can be fully understood by those skilled in the art about the parts that are not described in detail.

[0040] In addition, those of ordinary skill in the art should understand that the provided drawings are only for illustrating the objects, features and advantages of the present invention, and the drawings are not actually drawn to scale.

[0041] At the same time, unless the context clearly requires, the words "include", "include" and other similar words in the entire specification and claims should be interpreted as an inclusive meaning rather than an exclusive or exhaustive meaning; that is, "include but not limited to the meaning of ".

[0042] figure 1 It is a structural schematic d...

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Abstract

The invention discloses a hydraulic pulse generator and a hydraulic pulse fracturing device. The hydraulic pulse generator can convert high-pressure liquid into low-frequency pulse high-pressure liquid through the elastic potential energy of a spring so as to enhance a pulse pressure and form a high impact force. The hydraulic pulse generator is specifically applied to the hydraulic pulse fracturing device. The problem that when an existing hydraulic pulse fracturing device conducts hydraulic fracturing, fracturing liquid cannot enter a stratum with the high impact force, and consequently efficient fracture forming cannot be achieved is solved.

Description

technical field [0001] The invention relates to a hydraulic pulse generating device and a hydraulic pulse fracturing device. Background technique [0002] In the past ten years, the problem of low-permeability reservoir stimulation has become more and more serious. Hydraulic fracturing technology is the most common solution. A large amount of friction consumes part of the energy, so that the fracturing fluid cannot enter the formation with a high impact force and cannot effectively create fractures. [0003] At present, hydraulic pulse fracturing technology is a new type of technology, which can effectively solve the loss of energy, create high-impact pulse waves, and form a "water hammer effect", so that high-pressure liquid can quickly enter the formation and form a complex fracture network pattern. The technology has broad development space and application prospects. [0004] Existing hydraulic pulse fracturing devices are few and have defects. For example, Chinese pate...

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Application Information

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IPC IPC(8): E21B43/26E21B28/00
CPCE21B43/26E21B28/00Y02E10/10
Inventor 张宁邢沛东南晓函曹广胜王鑫安洪鑫杨婷媛刘艺佳李世宁
Owner NORTHEAST GASOLINEEUM UNIV
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