Small probe system

The invention relates to a small probe system. The small probe system comprises a probe body, a sampling device, a filter valve, a probe tube movement control hydraulic device, a filter valve movement control device, a probe tube and a packer, wherein the probe tube is arranged inside the probe body...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HUO LING, ZHANG HONG, ZHANG BOFENG, MU HAITAO, LI NA, WAN XIANWEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	The invention relates to a small probe system. The small probe system comprises a probe body, a sampling device, a filter valve, a probe tube movement control hydraulic device, a filter valve movement control device, a probe tube and a packer, wherein the probe tube is arranged inside the probe body, the packer is arranged on the top of the probe body, the probe tube movement control hydraulic device drives the probe tube to carry out piston type sliding in the axial direction of the probe body inside the probe body, the sampling device is arranged inside the probe tube, the filter valve is arranged on the top of the sampling device, and the filter valve movement control device drives the filter valve to be opened or closed. The small probe system is reliable in operation and compact in structure.