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Heating-pressurizing testing device for simulating environmental state in shale air layer and simulating method

A technology of heating and pressurizing and testing equipment, which is applied in the direction of soil material testing, material inspection products, etc., can solve the problems of large floor area, high use and maintenance costs, and large equipment investment, and achieve low cost, stable pressure, compact effect

Pending Publication Date: 2018-04-13
SICHUAN HUACHUAN IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of device generally occupies a large area, requires a large amount of equipment investment, and has high maintenance costs.

Method used

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  • Heating-pressurizing testing device for simulating environmental state in shale air layer and simulating method
  • Heating-pressurizing testing device for simulating environmental state in shale air layer and simulating method
  • Heating-pressurizing testing device for simulating environmental state in shale air layer and simulating method

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with accompanying drawing, protection scope of the present invention is not limited to the following:

[0023] Such as Figure 1~6 As shown, a heating and pressurizing test device for simulating the environmental state in a shale gas layer includes a charge chamber and an initiation device 1, a pressurization device 2 and a manual pressure test pump 3, and the charge chamber and the detonation device 1 It includes a charge tube 4, a blast transfer seat 5, a charge piston rod 6, a tube seat 7, a detonator seat 8 and an end cover 9, and the charge tube 4 is provided with a blast transfer seat mounting hole 10, a waist Shaped hole 11 and guide hole 12, waist-shaped hole 11 is used for simulating gap transmission, by changing the size of waist-shaped hole 11 in the middle of charge tube 4, gaps of various sizes can be simulated. In the guide hole 12, a pressing piston rod 6 is slidably installed, and the ...

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Abstract

The invention discloses a heating-pressurizing testing device for simulating an environmental state in a shale air layer and a simulating method. The testing device comprises a gunpowder charging chamber and explosion device (1), a pressurizing device (2) and a manual pressure testing pump (3), wherein the gunpowder charging chamber and explosion device (1) comprises a gunpowder charging pipe (4),an explosion propagation seat (5), a gunpowder piston rod (5), a pipe seat (7), a detonator seat (8) and an end cover (9); and the pressurizing device (2) comprises a body (14), a guide sleeve (15),a core rod (16), a load (17) and a piston (18), a step hole (19) is horizontally formed in the body (14), a side plate (20) is fixedly arranged on the left side of the body (14) to seal a big hole ofthe step hole (19), and a joint (21) communicated with a small hole of the step hole (19) is formed in the right side of the body (14). The heating-pressurizing testing device has the beneficial effects that the structure is compact, the cost is low, the testing temperature and pressure can be adjusted, the pressure adjustment is convenient, and the operation is simple, safe and reliable.

Description

technical field [0001] The invention relates to the field of research and development of special explosives for explosive fracturing in shale gas layers and its comprehensive performance evaluation, in particular to a heating and pressurizing test device and a simulation method for simulating the environmental state in shale gas layers. Background technique [0002] China is very rich in shale gas resources. Explosive fracturing in shale gas formations is currently a popular technology for shale gas development. The environmental simulation of shale gas formations is the basis for the development of special explosives for explosive fracturing in shale gas formations. The unit that has been engaged in the research of explosive fracturing in oil and gas wells earlier in China has established a simulation experiment device for comprehensive performance testing of explosives in intralayer explosive fracturing, and has research literature reports. Its main principle is to establi...

Claims

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Application Information

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IPC IPC(8): G01N33/24
CPCG01N33/24
Inventor 黎强
Owner SICHUAN HUACHUAN IND
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