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A shale gas generation analysis device

An analysis device and shale gas technology, applied in the field of natural gas detection, to achieve the effects of avoiding the upper temperature limit, good integrity, and accurate and reliable data results

Active Publication Date: 2020-11-13
GUANGZHOU INST OF GEOCHEMISTRY - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a shale gas generation and analysis device for the defects of the existing methods

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  • A shale gas generation analysis device
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Embodiment Construction

[0025] In order to fully understand the purpose, features and effects of the present invention, the idea, specific steps and resulting method effects of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0026] Such as figure 1 As shown, the present invention discloses a shale gas generation analysis device, which is characterized in that it includes a generation collection module and a control processing module;

[0027] The generation and collection module includes a reactor 1, an oil-gas separator 2, and a gas collection tank 3; a temperature sensor 11 is arranged inside the reactor 1, a heating jacket 12 is arranged outside the reactor 1, and the reactor 1 is connected to the oil-gas separation through a first pipeline 4 2, the first pipeline 4 is provided with a first pressure sensor 41, and the first pipeline 4 between the first pressure sensor 41 and the oil-gas separator 2 is provided with two...

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Abstract

The invention discloses a shale gas generation and analysis device. A control module is used to control a heating jacket to perform air bath heating on a sample in a reaction kettle, and the temperature of the reaction kettle can be accurately controlled, desorption pressure data of a core sample under different geological temperature conditions can be obtained, and there is no upper limit of theheating temperature, thereby avoiding the problem that the upper temperature limit of traditional water bath heating exists; at the same time, pressure information of the gas is obtained by a pressuresensor, and characteristics of the desorption gas content of a core sample are calculated by a data analysis module, and data result is accurate and reliable; and in addition, generation, reservoir and desorption processes of the shale gas are connected in series in a closed system, so that the shale gas generation, shale reservoir characteristics, and shale gas desorption process are related toeach other, and the research has good integrity. The operation is convenient, the gas is always protected during the transfer process, and there is no problem such as sample contamination caused by improper sample transfer.

Description

[0001] field of invention [0002] The invention belongs to the field of natural gas detection, and mainly relates to a shale gas generating and analyzing device. Background technique [0003] my country's shale gas has huge resource potential, but its exploration and development are still in the exploratory stage. Most shale reservoirs lack gas content data. Shale gas content is an important parameter for calculating shale gas resource potential and reserve prediction. Gas exploration and development is of great significance. In the prior art, desorption and simulation methods are generally used to measure the gas content of shale. The desorption method refers to obtaining the actual gas content by measuring the desorption behavior of on-site drilling cores or representative cuttings. The simulation method is to obtain the content of adsorbed gas and free gas respectively through isothermal adsorption experiment simulation and logging interpretation. Because the adsorption ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N7/16
CPCG01N7/16
Inventor 晏波肖贤明田辉魏强孙健程鹏陈涛
Owner GUANGZHOU INST OF GEOCHEMISTRY - CHINESE ACAD OF SCI
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