Remote control toe end sliding sleeve opening system based on pressure pulse signal

The invention relates to a remote control toe end sliding sleeve opening system based on a pressure pulse signal. The remote control toe end sliding sleeve opening system comprises a pressure transmitter, a high-temperature and high-pressure electromagnetic valve, a microprocessor, NPN triodes and a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	XU JIAQI, DENG ZHAOPENG, LIU XIUYAN, SONG JINGLIANG, ZHAO FUZHE, SONG SHENGZHI, HAN SHUANGYANG, CAO YANGHAO, ZHANG HUAIWEN
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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