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Electro-hydraulic pulse shock wave electrode system and control method

A technology of hydraulic pulse and electrode system, which is applied in the direction of earthwork drilling, mining fluid, wellbore/well components, etc. It can solve the problems of affecting the discharge intensity of electrodes, restricting the effect of increasing production of equipment, and the influence of ablation speed, etc., so as to achieve extended use Effects on longevity and job duration

Active Publication Date: 2021-11-09
武汉华工融军科技有限公司
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Problems solved by technology

[0003] However, due to the complex working conditions in the well, the electrode exposed in the well is soaked in the mixture of sand, oil, water, etc., the resistance, life, and ablation speed of the electrode will be seriously affected, which will seriously affect the discharge intensity of the electrode. As well as the stability and reliability of the electrode work, etc., ultimately restricting the production increase effect of the entire equipment

Method used

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  • Electro-hydraulic pulse shock wave electrode system and control method
  • Electro-hydraulic pulse shock wave electrode system and control method
  • Electro-hydraulic pulse shock wave electrode system and control method

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Embodiment Construction

[0030] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.

[0031] First, see figure 2 and image 3 As shown, an electrode system for a hydroelectric pulse shock wave is provided, which includes: a hydroelectric pulse device 1, which includes a housing 20, the housing 20 is provided with a window 8, and the window 8 is provided with a A moving protection assembly; a magnetic positioning devic...

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Abstract

The invention relates to the technical field of electro-hydraulic pulse plug removal and yield increase, in particular to an electro-hydraulic pulse shock wave electrode system and a control method. The electrode system comprises electro-hydraulic pulse equipment, magnetic positioning equipment, an emitter and a control system; the electro-hydraulic pulse equipment comprises a shell, the shell is provided with a window, and the window is provided with a movable protection assembly; the magnetic positioning equipment is arranged in the shell and is used for positioning the position information of the electro-hydraulic pulse equipment; the emitter is arranged in the shell and located at the window; and the control system is used for receiving the position information of the electro-hydraulic pulse equipment, driving the protection assembly to act to seal the window when the position information is out of a target area, and driving the protection assembly to act to open the window when the position information is in the target area. The emitter can be wrapped under the control of the control system, the emitter can be exposed in the external environment, electrodes of the emitter are protected from being affected by the complex environment in a well, and meanwhile shock waves generated by the emitter are not affected.

Description

technical field [0001] The invention relates to the technical field of downhole oil stimulation, in particular to an electrode system and a control method of a hydraulic-electric pulse shock wave. Background technique [0002] As the hydraulic oil pulse plugging increase technology is widely used in oilfield plugging removal and production increase, this technology is one of the most advanced physical methods, with no pollution, low technical cost, high plugging removal efficiency, and many other advantages. Its technical feature is that high-voltage electric field and instantaneous pulse discharge are carried out inside the liquid, the energy is released instantaneously, and the liquid in the channel quickly vaporizes, expands and causes an explosion. produce electrohydraulic effect. The rapidly expanding gas produces a powerful shock wave in the water, and the shock wave then unblocks in the form of impulse or impact pressure. In the related art, the hydraulic equipment ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/16E21B43/24
CPCE21B43/16E21B43/2401
Inventor 李黎熊烈杨云峰何德刚叶建国
Owner 武汉华工融军科技有限公司
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