Sand washing pipe of oil field horizontal well

Sand washing pipe of oil field horizontal well

The utility model relates to a sand washing operation tool and particularly to a sand washing pipe of an oil field horizontal well. The technical scheme includes that the pipe mainly comprises a sleeve pipe, an oil pipe, a centralizer, a washing pipe, a sand filtering pipe and a washing head, wherei...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHEN SHAOCHUN, XU YUHUI, SUO KUN, WU JIEFENG, CHENG GANG, ZHANG YONG, REN CHANGZHENG, LIU DONGDONG, ZHANG ZHICHAO
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 relates to a sand washing operation tool and particularly to a sand washing pipe of an oil field horizontal well. The technical scheme includes that the pipe mainly comprises a sleeve pipe, an oil pipe, a centralizer, a washing pipe, a sand filtering pipe and a washing head, wherein the oil pipe is arranged inside the sleeve pipe, the oil pipe is connected with the washing pipe, the washing pipe is connected with the sand filtering pipe, an end portion of the sand filtering pipe is provided with the washing head, and the centralizer is arranged on the washing pipe. The sand washing pipe has the advantages that friction between the sand filtering pipe and a casing joint is reduced, the service life is long, the normal operation of the washing head is guaranteed and the working efficiency is improved.