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Shale residual gas content testing system

A test system and residual gas technology, applied to the analysis of materials, instruments, etc., can solve the problems of incomplete measurement of residual gas, difficult gas desorption, gas mixing, etc., to achieve powerful data collection and processing functions, reduce labor intensity, and automate high degree of effect

Inactive Publication Date: 2014-10-29
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Abstract
  • Description
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Problems solved by technology

However, the sample should be exposed to the air during the process, which will easily lead to the mixing of gas, and it is easy to leak gas during the crushing process, which will make the experimental results smaller
[0026] (3) The curve fitting method is a purely theoretical calculation, the method is simple and easy to implement, but it is greatly affected by the previous desorption data, and the calculation results are prone to errors
[0027] (4) In the high-temperature method measurement, the gas in the closed pores of shale is difficult to desorb, and the residual gas cannot be completely measured

Method used

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  • Shale residual gas content testing system

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Embodiment 1

[0050] Embodiment 1: The present invention provides a kind of shale residual gas measurement system, comprises rock sample airtight crushing device, residual gas content measuring mechanism and computer; The structure of described airtight crushing device and residual gas content measuring mechanism is as follows figure 1 , 2 As shown, the device is equipped with a base 1, a fixed piece 2, a motor 3, a motor connecting shaft 4, a small reduction wheel 5, a motor bracket 6, a bearing A 7, a large reduction wheel 8, a planet carrier 9, a bearing D 10, and a planetary wheel 11 , Ball mill holder 12, sealed ball mill, ball mill press block 15, twist handle 16, threaded clamp block 17, bearing B 19, connecting shaft tube 20, right end bracket 22, sealing ring 23, sun gear 24, bearing C 25. The motor 3 is fixed on the motor bracket 6 through the fixing piece 2, the bolt and the motor front flange, and the motor support 6 is connected with the base 1 through the bolt.

[0051] For ...

Embodiment 2

[0058] Embodiment 2: Measurement of residual gas content using a shale residual gas measurement system provided in Embodiment 1. The whole working process of the system is as follows: Figure 6 Shown:

[0059] The process of airtight crushing of the rock sample is as follows: the rock sample is put into each airtight ball milling jar, and the airtight ball milling jar is compressed on the ball milling jar holder 12 through the ball milling jar briquetting block 15 .

[0060] The motor 3 rotates through the flat key to drive the motor connection shaft and the small reduction wheel 5 to rotate, and the small reduction wheel 5 drives the large reduction wheel 8 to rotate through the flat key; the large reduction wheel 8 drives the planet carrier 9 to rotate through the flat key, so the planet carrier 9 and the large The reduction gear 8 rotates at the same speed; the planet carrier 9 drives the planetary gear 11 to revolve; the sun gear 24 is connected to the connecting shaft cy...

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Abstract

The invention relates to a shale residual gas content testing system. The shale residual gas content testing system comprises a closed shale sample crushing device, a residual gas content measurement mechanism and a computer, wherein the closed shale sample crushing device comprises a motor, a large reduction gear, a small reduction gear, a sun wheel, a planet wheel and a closed ball milling tank and is used for crushing a shale sample to be in a form of below 60 meshes under a closed condition; the residual gas content measurement mechanism is provided with a temperature sensor, a pressure sensor, a power supply and a data acquisition card, wherein the sensors are used for measuring all parameters inside the closed ball milling tank; the computer is provided with residual gas content testing software for processing, computing, storing and inquiring data measured by the measurement device and can automatically compile and print a measured report after the measurement. The shale residual gas content testing system can achieve the original closed shale crushing and the final residual gas content measurement, and is high in automation degree, easy to operate and reliable in measurement result.

Description

technical field [0001] The invention relates to a shale residual gas content testing system, which is composed of a rock sample airtight crushing device, a residual gas content measuring mechanism and a computer equipped with self-programmed software, and belongs to the field of geological exploration. Background technique [0002] Residual gas refers to the natural gas that remains in the core after the normal analysis of shale rock samples is terminated, or the natural gas that can only be obtained after a longer period of time. Usually, it is difficult to resolve from the sample during natural analysis. Or even through some means, the analysis may not be complete, resulting in some residual gas remaining in the sample. [0003] According to the survey results of market products, at present, there is no complete set of equipment or systems in my country that can realize the measurement of shale residual gas from rock sample crushing to measurement. Common measurement metho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N7/14
Inventor 李波赵海侗帅琴王锡霖张东宵丁腾飞左国勇
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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