High-pressure erosion-resistant runner elbow

The utility model belongs to the field of petroleum drilling, and particularly relates to a high-pressure erosion-resistant runner elbow which comprises a first fixing head, one side of the first fixing head is fixedly connected with an elbow pipe, the other end of the elbow pipe is fixedly connecte...

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Bibliographische Detailangaben
Hauptverfasser:	LIN WENPAN, ZHUANG XUHU, YU LEI, GUO YUNXIANG, QIN XIANMIN, CHEN SHIWEN, ZHANG WENCHANG, CHEN CHENG
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 belongs to the field of petroleum drilling, and particularly relates to a high-pressure erosion-resistant runner elbow which comprises a first fixing head, one side of the first fixing head is fixedly connected with an elbow pipe, the other end of the elbow pipe is fixedly connected with a second fixing head, the inner wall of the first fixing head is movably connected with a mounting head, and the inner wall of the mounting head is movably connected with a second fixing head. One end of the mounting head is fixedly connected with a protective film; during use, the protective film penetrates through the first fixing head, then the mounting head at one end of the protective film is clamped to the port of the first fixing head, then the protective film is attached to the inner wall of the elbow pipe, the protective film is used for resisting corrosion and erosion in the operation process, the mounting head is directly pulled out when maintenance is needed, and the protective film is convenient