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Temperature control system-containing large-size true triaxial hydraulic fracturing experimental machine and experimental method thereof

A temperature control system and hydraulic fracturing technology, applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, instruments, etc., can solve problems such as the inability to simulate the influence of reservoir temperature, avoid blind operation and improve production efficiency effect

Inactive Publication Date: 2018-04-13
CHINA UNIV OF GEOSCIENCES (WUHAN)
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Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a large-scale true triaxial hydraulic fracturing test machine with a temperature control system and Its experimental method can explore the crack initiation, propagation law and fracture shape of hydraulic fractures under the conditions of simulated structural stress and reservoir temperature.

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  • Temperature control system-containing large-size true triaxial hydraulic fracturing experimental machine and experimental method thereof
  • Temperature control system-containing large-size true triaxial hydraulic fracturing experimental machine and experimental method thereof
  • Temperature control system-containing large-size true triaxial hydraulic fracturing experimental machine and experimental method thereof

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Embodiment Construction

[0041] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0042] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0043] It should be noted that, in the description of the present invention, the terms "horizontal", "vertical", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, and It is not to indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, or operate in a particular orientation, and thus should not be construed ...

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Abstract

The invention discloses a temperature control system-containing large-size true triaxial hydraulic fracturing experimental machine and an experimental method thereof. The fracturing experimental machine mainly includes a large-size true triaxial module, a temperature control system-containing hydraulic servo pumping pressure module, an acoustic emission module, a sample loading and unloading module and a computer. The experimental method mainly includes the following steps: making and loading a sample, setting parameters of a simulated reservoir, performing a hydraulic fracturing physical simulation experiment, completing the experiment, turning off the experimental machine, unloading the sample, and analyzing the experimental result. The hydraulic fracturing process, especially the geostress field and the temperature field of the simulated reservoir, are simulated under laboratory conditions, and the disadvantage of existing conventional hydraulic fracturing devices ignoring the temperature of the reservoir is overcome; a large number of experiments can guide actual production, avoid the blind operation in the actual production process and improve the production efficiency; and additionally, the hydraulic fracturing experimental machine has the advantages of modular operation, integrated control, and realization of the monitoring of the experimental process.

Description

technical field [0001] The invention discloses a large-scale true three-axis hydraulic fracturing test machine with a temperature control system and an test method thereof, belonging to the technical field of oil and gas field development. Background technique [0002] In recent years, with the gradual reduction of conventional natural gas and the increasing difficulty of development, unconventional natural gas represented by shale gas, tight sandstone gas and coalbed methane is affecting the world energy pattern, and the main reason for the increase of unconventional natural gas production is One method is hydraulic fracturing. [0003] Hydraulic fracturing is one of the core techniques for increasing production in oil and gas fields. It has obvious effects on increasing the seepage area and conductivity of reservoirs, increasing the initial production and ultimate recovery of fracturing wells, and has a wide range of applications in the field of oil and gas field developme...

Claims

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Application Information

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IPC IPC(8): G01N3/12G01N3/18G01N3/02
CPCG01N3/12G01N3/02G01N3/18G01N2203/0019G01N2203/0048G01N2203/0066G01N2203/0222G01N2203/0226
Inventor 解经宇周治东王荣璟蒋国盛彭力殷俊
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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