Well washing valve capable of achieving forward and reverse circulating well washing

The invention discloses a well washing valve capable of achieving forward and reverse circulating well washing. The well washing valve comprises an upper joint portion and a lower joint portion connected to the lower portion of the upper joint portion in a sleeved manner. A hollow cavity axially pen...

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Hauptverfasser: XING SHUCHAO, PENG XIAOPING, LIANG WENLI, LIU JUNJUN, LIN BAOLIN, HE JIBIAO, ZHAO YONG, QU YONG, GAO YUNWEI
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creator XING SHUCHAO
PENG XIAOPING
LIANG WENLI
LIU JUNJUN
LIN BAOLIN
HE JIBIAO
ZHAO YONG
QU YONG
GAO YUNWEI
description The invention discloses a well washing valve capable of achieving forward and reverse circulating well washing. The well washing valve comprises an upper joint portion and a lower joint portion connected to the lower portion of the upper joint portion in a sleeved manner. A hollow cavity axially penetrating through the top and the bottom of the upper joint portion is arranged on the upper joint portion. A mounting cavity axially penetrating through the top and the bottom of the lower joint portion is arranged on the lower joint portion. The mounting cavity communicates with the hollow cavity.A valve body is mounted in the mounting cavity and is provided with a valve cavity axially penetrating through the top and the bottom of the valve body, and the valve cavity communicates with the mounting cavity. A valve plate is arranged at the top of the valve body. The valve plate can be opened or closed, and therefore the valve cavity and the mounting cavity communicate or are blocked. A valvecontrol device is further
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The well washing valve comprises an upper joint portion and a lower joint portion connected to the lower portion of the upper joint portion in a sleeved manner. A hollow cavity axially penetrating through the top and the bottom of the upper joint portion is arranged on the upper joint portion. A mounting cavity axially penetrating through the top and the bottom of the lower joint portion is arranged on the lower joint portion. The mounting cavity communicates with the hollow cavity.A valve body is mounted in the mounting cavity and is provided with a valve cavity axially penetrating through the top and the bottom of the valve body, and the valve cavity communicates with the mounting cavity. A valve plate is arranged at the top of the valve body. The valve plate can be opened or closed, and therefore the valve cavity and the mounting cavity communicate or are blocked. 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subjects 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
title Well washing valve capable of achieving forward and reverse circulating well washing
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