Wellhead cleaning operation platform for minor repair operation

The invention provides a wellhead cleaning operation platform for minor repair operation, which comprises a casing four-way joint provided with a first port and a second port which are oppositely arranged, and a third port and a fourth port which are oppositely arranged; one sleeve gate is arranged...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HUANG XINGBO, CHEN DA, WANG CHUNXIANG, LI ZHENJUN, JI YAOBO, WANG XIAOBING, LIU YING, CUI CHENBIN, ZHANG HONGFENG, BAI CHEN, ZHANG SHAOLIANG, LI PENG, YU TANGMAO, DENG LUNING, WAN LI, ZHANG RENJIE, JI PENG
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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