Flexible screen pipe and well completion pipe string

The utility model provides a flexible screen pipe which comprises a screen pipe connector and a flexible pipeline connected with the screen pipe connector, a flushing pipe connector is arranged in the screen pipe connector, one end of the flushing pipe connector penetrates out of the screen pipe con...

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Bibliographische Detailangaben
Hauptverfasser:	SU JIANBO, YANG KESAN, CAO FENG, RAN FENGGUANG, YOO HYUN-OK, HUANG QING, LIU SHUJIE, WANG HENG, WANG ERJUN, GUAN SHEN, XIE MAOCHENG, HE LIAN, LIU LIYAN
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 provides a flexible screen pipe which comprises a screen pipe connector and a flexible pipeline connected with the screen pipe connector, a flushing pipe connector is arranged in the screen pipe connector, one end of the flushing pipe connector penetrates out of the screen pipe connector to be connected with the flexible pipeline, and the flexible pipeline comprises a plurality of screen pipe sections which are sequentially connected. The screen pipe section comprises a base pipe, one end of the base pipe is provided with a spherical pipe in rotary connection, a filtering assembly is arranged outside the base pipe, a washing pipe is arranged in the base pipe, one end of the washing pipe is provided with a spherical cavity and located in the spherical pipe, and the other end of the washing pipe is provided with a spherical connector correspondingly connected with the spherical cavity. The utility model further provides a well completion pipe string. The pipeline is good in flexibility, and th