Method and system for quickly estimating coal seam gas content based on big data

The invention discloses a method and a system for quickly estimating the gas content of a coal seam based on big data, and the method comprises the following steps: after drilling construction reaches a target coal seam, withdrawing a drill, and feeding a closed coring device into the bottom of a dr...

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Bibliographische Detailangaben
Hauptverfasser: LUO ZHONGQIN, FAN LEI, LANG YUQUAN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention discloses a method and a system for quickly estimating the gas content of a coal seam based on big data, and the method comprises the following steps: after drilling construction reaches a target coal seam, withdrawing a drill, and feeding a closed coring device into the bottom of a drill hole; sampling the target coal seam by using a closed coring device to obtain a corresponding coal sample, and sealing the drilled hole; carrying out industrial analysis and mercury injection experiment on the coal sample to obtain parameter information of the coal sample; after the gas pressure is stable, the gas pressure value of the target coal seam is read underground; and estimating the gas content of the target coal seam according to the parameter information of the coal sample and the gas pressure value of the target coal seam. The method is used for solving the technical problems that manual calculation is tedious and troublesome, errors are large, errors are prone to occurring, and working efficiency i