Well washing tool and valve element assembly thereof
The utility model relates to a well washing tool and a valve element assembly thereof. The well washing tool comprises a tool body and a valve element assembly, the tool body is provided with an innercavity, an upper end opening and a lower end opening, and the valve element assembly is arranged in...
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| creator | CHEN JIANDANG DUAN DIANWEI LI SHIMING ZHU YUECHAO QIU LINLIN ZHANG SHOUQIONG |
| description | The utility model relates to a well washing tool and a valve element assembly thereof. The well washing tool comprises a tool body and a valve element assembly, the tool body is provided with an innercavity, an upper end opening and a lower end opening, and the valve element assembly is arranged in the inner cavity; an overflowing channel is arranged between the peripheral surface of the valve core assembly and the inner wall of the inner cavity; a valve core reset spring is arranged between the top of the valve core assembly and the tool main body; the valve element assembly comprises a sealing element reset spring and a valve element sealing element, and a valve element channel is further formed in the valve element assembly. By the adoption of the technical scheme, the valve element channel and the inner cavity, the upper end opening and the lower end opening form a positive circulation channel, the overflowing channel and the inner cavity, the upper end opening and the lower end opening form a reverse cir |
| format | Patent |
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The well washing tool comprises a tool body and a valve element assembly, the tool body is provided with an innercavity, an upper end opening and a lower end opening, and the valve element assembly is arranged in the inner cavity; an overflowing channel is arranged between the peripheral surface of the valve core assembly and the inner wall of the inner cavity; a valve core reset spring is arranged between the top of the valve core assembly and the tool main body; the valve element assembly comprises a sealing element reset spring and a valve element sealing element, and a valve element channel is further formed in the valve element assembly. 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By the adoption of the technical scheme, the valve element channel and the inner cavity, the upper end opening and the lower end opening form a positive circulation channel, the overflowing channel and the inner cavity, the upper end opening and the lower end opening form a reverse cir</description><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAJT83JUShPLM7IzEtXKMnPz1FIzEtRKEvMKUtVSM1JzU3NK1FILC5OzU3KqVQoyUgtSs1P42FgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8c5-RoZGBuaWRiZGoaHGRCkCAInlLZQ</recordid><startdate>20201204</startdate><enddate>20201204</enddate><creator>CHEN JIANDANG</creator><creator>DUAN DIANWEI</creator><creator>LI SHIMING</creator><creator>ZHU YUECHAO</creator><creator>QIU LINLIN</creator><creator>ZHANG SHOUQIONG</creator><scope>EVB</scope></search><sort><creationdate>20201204</creationdate><title>Well washing tool and valve element assembly thereof</title><author>CHEN JIANDANG ; DUAN DIANWEI ; LI SHIMING ; ZHU YUECHAO ; QIU LINLIN ; ZHANG SHOUQIONG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN212079242UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2020</creationdate><topic>EARTH DRILLING</topic><topic>EARTH DRILLING, e.g. DEEP DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>MINING</topic><topic>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</topic><toplevel>online_resources</toplevel><creatorcontrib>CHEN JIANDANG</creatorcontrib><creatorcontrib>DUAN DIANWEI</creatorcontrib><creatorcontrib>LI SHIMING</creatorcontrib><creatorcontrib>ZHU YUECHAO</creatorcontrib><creatorcontrib>QIU LINLIN</creatorcontrib><creatorcontrib>ZHANG SHOUQIONG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CHEN JIANDANG</au><au>DUAN DIANWEI</au><au>LI SHIMING</au><au>ZHU YUECHAO</au><au>QIU LINLIN</au><au>ZHANG SHOUQIONG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Well washing tool and valve element assembly thereof</title><date>2020-12-04</date><risdate>2020</risdate><abstract>The utility model relates to a well washing tool and a valve element assembly thereof. The well washing tool comprises a tool body and a valve element assembly, the tool body is provided with an innercavity, an upper end opening and a lower end opening, and the valve element assembly is arranged in the inner cavity; an overflowing channel is arranged between the peripheral surface of the valve core assembly and the inner wall of the inner cavity; a valve core reset spring is arranged between the top of the valve core assembly and the tool main body; the valve element assembly comprises a sealing element reset spring and a valve element sealing element, and a valve element channel is further formed in the valve element assembly. By the adoption of the technical scheme, the valve element channel and the inner cavity, the upper end opening and the lower end opening form a positive circulation channel, the overflowing channel and the inner cavity, the upper end opening and the lower end opening form a reverse cir</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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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 tool and valve element assembly thereof |
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