Temperature-resistant visual sand filling pipe with adjustable length

The invention provides a length-adjustable temperature-resistant visual sand-filled pipe which comprises a left plug part, a visual sand-filled pipe part, a right plug part and a sand-filled pipe movement control part, and the left plug part and the right plug part are in threaded connection with th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN PING, YU ZHAOKUN, LIU HAOYANG, HUANG BO, ZHENG JILONG, ZHAO JUN, WANG CHENGSHENG, ZHAO CHUANXUN, ZUO QINGQUAN, GAO XIAOTIAN, YI FEI
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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