Pressure -bearing sleeve pipe protection packer

The utility model provides a pressure -bearing sleeve pipe protection packer, the sealing performance of cover protection of pipe pressure -bearing packer designs in the directional well in order to promote for it, has increased righting device, and it is honored as a queen four to sit sets upright...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	JU YAFENG, LUO BILIN, YANG LINGZHI, YU JIUZHENG, BI FUWEI, WANG XIAOE, WANG ZIJIAN
Format:	Patent
Sprache:	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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