Geological resource prospection well casing ball type rigid centralizing device

The utility model relates to underground casing centralizing equipment after barefoot well completion, in particular to a geological resource prospection well casing ball type rigid centralizing device. Four supporting rib bosses (2) are arranged outside a casing ball type rigid centralizing device...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LU WEIYAN
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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