Drillable and removable bridge plug

An upper connector, an upper pull rod, a releasing pull ring, a lower pull rod and a lower cone of the drillable bridge plug are sequentially connected through screw threads, a clamping spring seat ofthe drillable bridge plug is axially fixed to the upper portion of the lower pull rod through a fish...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HU TIEGANG, XIE FANGTING, ZHONG XIAOJUN, CHEN XIAOBO, BAI XIANGSONG, LI YING, LYU XIANFENG
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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!