Mechanical connection hoop

The utility model discloses a mechanical joint hoop positioner used for water injection well field in oil field, which solves the problem of underground sleeve pipe joint hoop position. The utility model is characterized in that: one end of a spacer (2) with a convex edge is arranged inside a rabbet...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YONG TANG, CHUNGUI YANG, XILU DOU
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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