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Shale gas content analysis method and device

A shale gas and shale technology, applied in the field of shale gas content analysis, can solve problems such as poor exploration accuracy, and achieve the effect of improving accuracy and accuracy

Active Publication Date: 2017-04-19
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention provides a shale gas content analysis method and device for solving the problem of poor exploration accuracy in the prior art

Method used

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  • Shale gas content analysis method and device
  • Shale gas content analysis method and device
  • Shale gas content analysis method and device

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Embodiment Construction

[0051] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0052] figure 1 A flowchart of an embodiment of the shale gas content analysis method provided by the present invention, such as figure 1 As shown, it specifically includes the following steps:

[0053] 101. Obtain pore data and skeleton data of the shale sample, and construct a digital core corresponding to the shale sample according to th...

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Abstract

The invention relates to a shale gas content analysis method and device. In calculating determination of gas contents of a digital core under different pressures, a gas flowing state in the digital core and digital core capabilities of adsorption of gas with different gas density values are considered, and through combination of the gas flowing state in the digital core, the gas density values and the gas adsorption state, gas contents in the digital core under different pressures are determined. The method and device improve accuracy of the determined shale gas storage amount and accuracy of exploration.

Description

technical field [0001] The invention relates to the technical field of petroleum exploration, in particular to a method and device for analyzing shale gas content. Background technique [0002] At present, in the process of oil exploration, it is necessary to obtain the reserves of underground oil or natural gas in advance, so as to determine whether to exploit the underground oil or natural gas, and the scale of exploitation, etc. according to the reserves. In the prior art, the rock sample can be pre-scanned before exploration to obtain the pore data of the rock sample, and the digital core is constructed according to the pore data and skeleton data, and the digital core under different pressures is calculated and determined based on the discrete lattice Boltzmann model and the digital core. The gas content in the rock core, so that the natural gas reserves can be determined by measuring the pressure of underground shale, pore data and skeleton data during the exploration ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/24
Inventor 肖立志郭龙廖广志
Owner CHINA UNIV OF PETROLEUM (BEIJING)