Waterpower oscillator

The utility model discloses a waterpower oscillator belongs to oil drilling technical field. It includes hollow interior casing, is arranged in the screw rod of casing, the inside wall of interior casing is the centrosymmetric wave, be equipped with the annular space between the inside wall of screw...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG WEI, HAN YAOKUN, LI QINGPEI, JING HUIXIANG, MA KAI, XIE LINFENG, HE YANXI, SU KANHUA, ZHOU JINCHONG
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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