Wellhead sealing device of dewatering well

The invention discloses a dewatering well mouth sealing device which comprises a supporting casing pipe, a sealing ring, a sealing ring and a sealing ring. A containing groove allowing an upper port of a dewatering well to be embedded is formed in the end face of the lower end of the supporting casi...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG WEI, GAO YU, CHEN HUAWEI, HAN GUANGSHUO, CHEN TUOYU, CHEN XIANG, CHEN GUANGDONG, WEI XIAOGUANG, LI KUI, LIANG SHAOYAN, SONG WEIWEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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