Geothermal pulse pressure wave fracturing system and method

A pulse pressure and geothermal technology, applied in earth-moving drilling, production of fluids, wellbore/well components, etc., can solve problems such as inapplicability and achieve good results

Inactive Publication Date: 2014-04-16
GANZI KANGSUN GEOTHERMAL DEV
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

The existing oil well fracturing technology is not suitable for geothermal well fracturing

Method used

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  • Geothermal pulse pressure wave fracturing system and method
  • Geothermal pulse pressure wave fracturing system and method
  • Geothermal pulse pressure wave fracturing system and method

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Embodiment Construction

[0035] like image 3 As shown, a geothermal pulse pressure wave fracturing system of the present invention includes a geothermal well 1, an instrument 2, a pulse pressure wave generator 6, a pressure pump 7 and a pool 8, and the output end of the pulse pressure wave generator 6 is connected to the pulse pressure wave One end of the control valve 4 is connected, the water outlet of the pool 8 is connected to the water inlet of the pressure pump 7, the water outlet of the pressure pump 7 is connected to one end of the water pump control valve 5, the other end of the water pump control valve 5 is connected to the pulse pressure wave control valve 4 The other end of the main control valve 3 is connected to one end of the main control valve 3, the other end of the main control valve 3 is connected to the input end of the instrument 2, and the output end of the instrument 2 is connected to the geothermal well 1. The pressure pump 7 is a high-pressure water pump. The pressure head o...

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Abstract

The invention discloses a geothermal pulse pressure wave fracturing system comprising a geothermal well, an instrument, a pulse pressure wave generator, a pressure pump and a water tank, wherein the output end of the pulse pressure wave generator is connected with one end of a pulse pressure wave control valve, a water outlet of the water tank is connected with a water inlet of the pressure pump, and a water outlet of the pressure pump is connected with one end of a water pump control valve. The invention also discloses a geothermal pulse pressure wave fracturing method which adopts a mode of combining static pressure with pulse pressure to fracture a stratum layer and clean an original geothermal channel, the static pressure is generated by the pressure pump and pressure liquid, and the pulse pressure is generated by the pulse pressure wave generator. By adopting the system and method disclosed by the invention, ultrasonic waves are superimposed to the geothermal well fracturing static pressure to generate a long-distance, large-scale, periodical and continuous pressure acting area and result in that the wall of the geothermal well is ruptured, so that a new hot spring flowing channel is formed; and the pulse pressure waves are mechanical energy waves, so that rock cracks can be further expanded until a satisfactory fracturing effect is achieved.

Description

technical field [0001] The invention relates to a geothermal fracturing method and a pressure method, in particular to a geothermal pulse pressure wave fracturing system and a fracturing method. [0002] Background technique [0003] In order to solve the energy shortage and reduce the emission of greenhouse gases, the development and utilization of renewable energy are highly valued by countries all over the world. Among them, the development and utilization of geothermal energy has developed rapidly and has become an important part of renewable energy. According to the estimate of the World Geothermal Energy Association, only the heat within 50km of the earth's crust can be used by human beings for 90 million years. Therefore, geothermal energy is regarded as an inexhaustible renewable energy source. [0004] The use of geothermal heat is usually to extract hot springs or steam with a certain temperature from the ground. Then convert the thermal energy into other for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/26
Inventor 徐毅
Owner GANZI KANGSUN GEOTHERMAL DEV
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