Pipe body packer

The utility model relates to a pipe body packer, which comprises a central pipe, an upper connector, a lower connector, a first sleeve, a second sleeve and a third sleeve. The central pipe defines a first channel. The two ends of the central pipe are provided with an upper connector and a lower conn...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	FAN LINGYUN, ZHONG XIAO, ZHOU SHENGFU, ZHAO SHAOWEI, LI JING, XIE JIN, LIU LIAN, ZOU WEI, LI XIAOSHENG, CUI LONGBING
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!

Beschreibung
Zusammenfassung:	The utility model relates to a pipe body packer, which comprises a central pipe, an upper connector, a lower connector, a first sleeve, a second sleeve and a third sleeve. The central pipe defines a first channel. The two ends of the central pipe are provided with an upper connector and a lower connector. The sealing rubber sleeve is arranged on the outer side of the central pipe in a sleeving mode, the upper cone and the lower cone are arranged on the two sides of the sealing rubber sleeve respectively, and the sealing rubber sleeve can deform under pushing of the upper cone and the lower cone. The upper slip and the lower slip are respectively arranged on one sides, far away from the sealing rubber cylinder, of the upper cone and the lower cone; the push cylinder is connected to the side, close to the lower connector, of the lower slip through a first shear pin, the push cylinder comprises a cavity and a piston, the cavity is communicated with the first channel through a pressure transmission hole, the pist