Method for jetting, eroding and processing downhole steel ball

The invention provides a method for jetting, eroding and processing a downhole steel ball, an abrasive jet mode is adopted, the stuck steel ball and positions where the steel ball is in contact with a ball seat are downwardly jetted and eroded along a shaft axis, an internal drift diameter of the ba...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG QINGLONG, FEI JIEGAO, YAO LAN, YANG HONGBIN, YANG BOLI, WU JIAN, XI ZHONGCHEN, LI XUYI, CAO XIN, CHEN XIONG, HAN JINGJING, MA XIAOLONG, XU YINGXIN, CHEN WENBO, JING ZHIMING, XIE TAO
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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