METHOD AND SYSTEM FOR REMOTELY MEASURING GAS CONTENT IN COAL SEAM

The present invention provides a method and system for remotely measuring gas content in a coal seam. The method comprises: drilling to a target coal seam, and mounting a closed coring device to the bottom of a hole after a drill is withdrawn; performing a coring operation by using the closed coring...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FENG, Anxiang, MENG, Jianbing, BI, Bo, CAO, Tengfei, YANG, Wei, CHEN, Benliang
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	The present invention provides a method and system for remotely measuring gas content in a coal seam. The method comprises: drilling to a target coal seam, and mounting a closed coring device to the bottom of a hole after a drill is withdrawn; performing a coring operation by using the closed coring device, recording a coring time t