Downhole pressure wave generating device and method and application

The invention relates to the field of offshore oilfield oil extraction, in particular to an underground pressure wave generating device and method and application. The device comprises a device body, a center channel penetrating through the device body, a main channel communicating with the center c...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG YAO, XUE DEDONG, ZHANG LEI, SHEN QIONG, PENG JIAYAO, DING DEJI, GUO PEIWEN, ZHENG CHUNFENG
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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