Blowout-control and wax-scrapping device for oil well

The utility model discloses a blowout-control and wax-scrapping device for an oil well. The blowout-control and wax-scrapping device comprises a front cover, an enclosure wall, a pressing sleeve, an oil pressure opening, an oil pipe joint and a wax scrapping pressing sleeve. The front cover is locat...

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Bibliographische Detailangaben
Hauptverfasser:	QIN LEILEI, ZHANG LI'NA, CAO MING, ZHANG YAN, YUE JING, LI XUELI, GUO XUNCHEN, MA GUOZHENG, WANG YONG, WANG JIAMIN
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
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Beschreibung
Zusammenfassung:	The utility model discloses a blowout-control and wax-scrapping device for an oil well. The blowout-control and wax-scrapping device comprises a front cover, an enclosure wall, a pressing sleeve, an oil pressure opening, an oil pipe joint and a wax scrapping pressing sleeve. The front cover is located at the top end of the enclosure wall, the pressing sleeve is arranged in a middle inner hole of the enclosure wall in a sleeved mode, the wax scrapping pressing sleeve is arranged in a front-end inner hole in the enclosure wall in a sleeved mode, the oil pipe joint is arranged at the lower end of the enclosure wall in a sleeved mode, and the oil pressing opening is formed in the lower end of the enclosure wall and communicated with an inner hole of the enclosure wall. The blowout-control and wax-scrapping device can automatically prevent blowout and scrap wax, working labor force is relieved, and working safety is improved.