High-pressure casinghead

The utility model provides a high-pressure casing head which is used for high-pressure oil well completion operation, and the utility model is mainly composed of a gland, a body, a hanging pipe nipple, a steel ring, a green lead ring, a hanging bench and a screwed plug. On the both sides of the body...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHANG YUSHOU, CHANG RONGYAO, ZHOU ZHONGXIU
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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Beschreibung
Zusammenfassung:	The utility model provides a high-pressure casing head which is used for high-pressure oil well completion operation, and the utility model is mainly composed of a gland, a body, a hanging pipe nipple, a steel ring, a green lead ring, a hanging bench and a screwed plug. On the both sides of the body, each is provided with an aural region which is provided with an air exhaust screwed plug hole for being communicated with the inner hole. The hanging bench which is provided with four threaded holes forms a split-type, and the hanging pipe nipple is provided with a rectangular tank. The same rectangular tank is also arranged in the gland, and a circle watch without fibers is provided with four threaded holes. The utility model is suitable for the high-pressure oil well completion operation, which has the advantages of simple structure, reliable performance, easy installation, cheap price, etc.