Oil leakage preventing device used for oil production of screw pump
The invention relates to the technical field of crude oil exploitation, in particular to an oil leakage preventing device used for oil production of a screw pump. The device comprises an upper body, alower body, a guide sleeve and a sphere, wherein the upper body is provided with an inner cavity in...
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| creator | XIE JUNHUI CHEN YONGPENG ZHANG LEYUAN LI PEIBIN XIE JIANYONG JIANG HONG WANG JIN TUERXUNJIANG BALATI YANG HONG CHENG HAO ZHANG HUI SU HONGYI CHEN XIANJIANG WANG ZHENGGUANG CHEN BO |
| description | The invention relates to the technical field of crude oil exploitation, in particular to an oil leakage preventing device used for oil production of a screw pump. The device comprises an upper body, alower body, a guide sleeve and a sphere, wherein the upper body is provided with an inner cavity in the shape of a straight pipe; the lower body is of a three-way structure and comprises a straight through portion and a side through portion, and one end of the side through portion communicates with the straight through portion; the upper body is coaxial with the straight through portion; one endof the upper body is in sealed connection with one end of the straight through portion through a flange; the guide sleeve is embedded into the upper body; the sphere is arranged in the lower body andcan move in the straight through portion and the side through portion; an elastic component is arranged in the side through portion, one end of the elastic component abuts against the sphere, and theother end of the elastic com |
| format | Patent |
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The device comprises an upper body, alower body, a guide sleeve and a sphere, wherein the upper body is provided with an inner cavity in the shape of a straight pipe; the lower body is of a three-way structure and comprises a straight through portion and a side through portion, and one end of the side through portion communicates with the straight through portion; the upper body is coaxial with the straight through portion; one endof the upper body is in sealed connection with one end of the straight through portion through a flange; the guide sleeve is embedded into the upper body; the sphere is arranged in the lower body andcan move in the straight through portion and the side through portion; an elastic component is arranged in the side through portion, one end of the elastic component abuts against the sphere, and theother end of the elastic com</description><language>chi ; eng</language><subject>BLASTING ; EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; FIXED CONSTRUCTIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS ; WEAPONS</subject><creationdate>2019</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190215&DB=EPODOC&CC=CN&NR=109340106A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25544,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190215&DB=EPODOC&CC=CN&NR=109340106A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>XIE JUNHUI</creatorcontrib><creatorcontrib>CHEN YONGPENG</creatorcontrib><creatorcontrib>ZHANG LEYUAN</creatorcontrib><creatorcontrib>LI PEIBIN</creatorcontrib><creatorcontrib>XIE JIANYONG</creatorcontrib><creatorcontrib>JIANG HONG</creatorcontrib><creatorcontrib>WANG JIN</creatorcontrib><creatorcontrib>TUERXUNJIANG BALATI</creatorcontrib><creatorcontrib>YANG HONG</creatorcontrib><creatorcontrib>CHENG HAO</creatorcontrib><creatorcontrib>ZHANG HUI</creatorcontrib><creatorcontrib>SU HONGYI</creatorcontrib><creatorcontrib>CHEN XIANJIANG</creatorcontrib><creatorcontrib>WANG ZHENGGUANG</creatorcontrib><creatorcontrib>CHEN BO</creatorcontrib><title>Oil leakage preventing device used for oil production of screw pump</title><description>The invention relates to the technical field of crude oil exploitation, in particular to an oil leakage preventing device used for oil production of a screw pump. 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The device comprises an upper body, alower body, a guide sleeve and a sphere, wherein the upper body is provided with an inner cavity in the shape of a straight pipe; the lower body is of a three-way structure and comprises a straight through portion and a side through portion, and one end of the side through portion communicates with the straight through portion; the upper body is coaxial with the straight through portion; one endof the upper body is in sealed connection with one end of the straight through portion through a flange; the guide sleeve is embedded into the upper body; the sphere is arranged in the lower body andcan move in the straight through portion and the side through portion; an elastic component is arranged in the side through portion, one end of the elastic component abuts against the sphere, and theother end of the elastic com</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN109340106A |
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| subjects | BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS |
| title | Oil leakage preventing device used for oil production of screw pump |
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