Grouting device

The utility model belongs to the technical field of oil and gas field casing running, and discloses a grouting device which comprises a shell, a lighting device, a transparent cover plate and an exhaust valve, a middle cavity is formed in the shell, an observation opening communicated with the middl...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GAO QINGCHUN, LIU JIN, ZHANG HONGLEI, HAN DONG, YI FANGYU, ZENG RUIHUA, HEI GUOXING, WANG YEHAN, SUN LIWEI, WANG XIGUI, TIAN XIN, SONG XIYANG, GAO WENLONG, CHEN XINYOU, ZHOU YUELING, DAI YUNCAI, CHEN YINGJIE, WANG SHUHE, LIU JINMING
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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