Down-hole working condition diagnostic method and device for hydraulic drive screw pump system
The invention provides a down-hole working condition diagnostic method for a hydraulic drive screw pump system and belongs to the technical field of malfunction diagnosis. According to the high-pressure water injection pressure and the low-pressure water injection pressure, the actual pressurization...
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| creator | HAO GUOLIANG HUANG ZHIYUAN WANG RUIHE CHEN XIAOHONG ZHAO BO YUE WEIMIN BAI DIANGANG DU YUKUN CHEN XIAOCHENG |
| description | The invention provides a down-hole working condition diagnostic method for a hydraulic drive screw pump system and belongs to the technical field of malfunction diagnosis. According to the high-pressure water injection pressure and the low-pressure water injection pressure, the actual pressurization value of a screw pump, the actual pressure-reduction value of a screw motor and actual working efficiency of the crew pump can be obtained; then according to the characteristic curve of the screw pump and the pipeline characteristic curve of the hydraulic drive screw pump system, largest theoretical efficiency of the screw pump is determined; and finally, according to the largest theoretical efficiency of the screw pump and actual working efficiency of the screw pump, down-hole working conditions of the hydraulic drive screw pump system are determined, so that the problem of down-hole working condition diagnosis of the hydraulic drive screw pump system is solved, the theoretical basis is supplied to matching adapt |
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According to the high-pressure water injection pressure and the low-pressure water injection pressure, the actual pressurization value of a screw pump, the actual pressure-reduction value of a screw motor and actual working efficiency of the crew pump can be obtained; then according to the characteristic curve of the screw pump and the pipeline characteristic curve of the hydraulic drive screw pump system, largest theoretical efficiency of the screw pump is determined; and finally, according to the largest theoretical efficiency of the screw pump and actual working efficiency of the screw pump, down-hole working conditions of the hydraulic drive screw pump system are determined, so that the problem of down-hole working condition diagnosis of the hydraulic drive screw pump system is solved, the theoretical basis is supplied to matching adapt</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>2017</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=20170718&DB=EPODOC&CC=CN&NR=106958440A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170718&DB=EPODOC&CC=CN&NR=106958440A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HAO GUOLIANG</creatorcontrib><creatorcontrib>HUANG ZHIYUAN</creatorcontrib><creatorcontrib>WANG RUIHE</creatorcontrib><creatorcontrib>CHEN XIAOHONG</creatorcontrib><creatorcontrib>ZHAO BO</creatorcontrib><creatorcontrib>YUE WEIMIN</creatorcontrib><creatorcontrib>BAI DIANGANG</creatorcontrib><creatorcontrib>DU YUKUN</creatorcontrib><creatorcontrib>CHEN XIAOCHENG</creatorcontrib><title>Down-hole working condition diagnostic method and device for hydraulic drive screw pump system</title><description>The invention provides a down-hole working condition diagnostic method for a hydraulic drive screw pump system and belongs to the technical field of malfunction diagnosis. According to the high-pressure water injection pressure and the low-pressure water injection pressure, the actual pressurization value of a screw pump, the actual pressure-reduction value of a screw motor and actual working efficiency of the crew pump can be obtained; then according to the characteristic curve of the screw pump and the pipeline characteristic curve of the hydraulic drive screw pump system, largest theoretical efficiency of the screw pump is determined; and finally, according to the largest theoretical efficiency of the screw pump and actual working efficiency of the screw pump, down-hole working conditions of the hydraulic drive screw pump system are determined, so that the problem of down-hole working condition diagnosis of the hydraulic drive screw pump system is solved, the theoretical basis is supplied to matching adapt</description><subject>BLASTING</subject><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS</subject><subject>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyjEOgkAQQFEaC6PeYTwACUY0WBrUWFlZSzY7A0yEmc3uAuH2WngAq1-8v0xeF50kbbUjmNS_WRqwKsiRVQDZNKIhsoWeYqsIRhCQRrYEtXpoZ_Rm6L6OnkeCYD1N4IbeQZhDpH6dLGrTBdr8ukq2t-uzvKfktKLgjCWhWJWPXXY8HYo8z877f54PbIw8_g</recordid><startdate>20170718</startdate><enddate>20170718</enddate><creator>HAO GUOLIANG</creator><creator>HUANG ZHIYUAN</creator><creator>WANG RUIHE</creator><creator>CHEN XIAOHONG</creator><creator>ZHAO BO</creator><creator>YUE WEIMIN</creator><creator>BAI DIANGANG</creator><creator>DU YUKUN</creator><creator>CHEN XIAOCHENG</creator><scope>EVB</scope></search><sort><creationdate>20170718</creationdate><title>Down-hole working condition diagnostic method and device for hydraulic drive screw pump system</title><author>HAO GUOLIANG ; HUANG ZHIYUAN ; WANG RUIHE ; CHEN XIAOHONG ; ZHAO BO ; YUE WEIMIN ; BAI DIANGANG ; DU YUKUN ; CHEN XIAOCHENG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN106958440A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2017</creationdate><topic>BLASTING</topic><topic>EARTH DRILLING</topic><topic>EARTH DRILLING, e.g. DEEP DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>MINING</topic><topic>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS</topic><topic>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>HAO GUOLIANG</creatorcontrib><creatorcontrib>HUANG ZHIYUAN</creatorcontrib><creatorcontrib>WANG RUIHE</creatorcontrib><creatorcontrib>CHEN XIAOHONG</creatorcontrib><creatorcontrib>ZHAO BO</creatorcontrib><creatorcontrib>YUE WEIMIN</creatorcontrib><creatorcontrib>BAI DIANGANG</creatorcontrib><creatorcontrib>DU YUKUN</creatorcontrib><creatorcontrib>CHEN XIAOCHENG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HAO GUOLIANG</au><au>HUANG ZHIYUAN</au><au>WANG RUIHE</au><au>CHEN XIAOHONG</au><au>ZHAO BO</au><au>YUE WEIMIN</au><au>BAI DIANGANG</au><au>DU YUKUN</au><au>CHEN XIAOCHENG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Down-hole working condition diagnostic method and device for hydraulic drive screw pump system</title><date>2017-07-18</date><risdate>2017</risdate><abstract>The invention provides a down-hole working condition diagnostic method for a hydraulic drive screw pump system and belongs to the technical field of malfunction diagnosis. According to the high-pressure water injection pressure and the low-pressure water injection pressure, the actual pressurization value of a screw pump, the actual pressure-reduction value of a screw motor and actual working efficiency of the crew pump can be obtained; then according to the characteristic curve of the screw pump and the pipeline characteristic curve of the hydraulic drive screw pump system, largest theoretical efficiency of the screw pump is determined; and finally, according to the largest theoretical efficiency of the screw pump and actual working efficiency of the screw pump, down-hole working conditions of the hydraulic drive screw pump system are determined, so that the problem of down-hole working condition diagnosis of the hydraulic drive screw pump system is solved, the theoretical basis is supplied to matching adapt</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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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 | Down-hole working condition diagnostic method and device for hydraulic drive screw pump system |
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