Oil extractor control system for viscous oil recovery
The invention provides an oil extractor control system for viscous oil recovery, comprising a sensor, a control circuit and a load sensor. The sensor is used for acquiring signals for the oil extractor to perform upstroke and downstroke; the load size measured by the sensor is used for judging wheth...
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| creator | LIU MINGJUN XIA CHENGYU WANG ZUOSONG CUI FENGGUANG YUAN YIDE |
| description | The invention provides an oil extractor control system for viscous oil recovery, comprising a sensor, a control circuit and a load sensor. The sensor is used for acquiring signals for the oil extractor to perform upstroke and downstroke; the load size measured by the sensor is used for judging whether a polish rod is separated from a beam hanger; when the load value measured by the sensor is smaller than the preset value, the control system automatically controls a variable speed motor to lower the rotating speed to adapt to the downstream speed of the polish rod; the signals of the upstroke and the downstroke are acquired by a proximity switch or an angle transducer; the load sensor is arranged above the beam hanger; the polish rod is arranged above the load sensor in a stuck manner; and the variable speed motor can be a variable frequency and variable speed motor or a switched reluctance motor or a motor with an electric-magnetic slip clutch. The invention has simple structure, solves the problem that the p |
| format | Patent |
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The sensor is used for acquiring signals for the oil extractor to perform upstroke and downstroke; the load size measured by the sensor is used for judging whether a polish rod is separated from a beam hanger; when the load value measured by the sensor is smaller than the preset value, the control system automatically controls a variable speed motor to lower the rotating speed to adapt to the downstream speed of the polish rod; the signals of the upstroke and the downstroke are acquired by a proximity switch or an angle transducer; the load sensor is arranged above the beam hanger; the polish rod is arranged above the load sensor in a stuck manner; and the variable speed motor can be a variable frequency and variable speed motor or a switched reluctance motor or a motor with an electric-magnetic slip clutch. The invention has simple structure, solves the problem that the p</description><language>chi ; eng</language><subject>CONTROL OR REGULATING SYSTEMS IN GENERAL ; CONTROLLING ; EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; FIXED CONSTRUCTIONS ; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS ; MINING ; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS ; PHYSICS ; REGULATING</subject><creationdate>2010</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=20100526&DB=EPODOC&CC=CN&NR=101713966A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20100526&DB=EPODOC&CC=CN&NR=101713966A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIU MINGJUN</creatorcontrib><creatorcontrib>XIA CHENGYU</creatorcontrib><creatorcontrib>WANG ZUOSONG</creatorcontrib><creatorcontrib>CUI FENGGUANG</creatorcontrib><creatorcontrib>YUAN YIDE</creatorcontrib><title>Oil extractor control system for viscous oil recovery</title><description>The invention provides an oil extractor control system for viscous oil recovery, comprising a sensor, a control circuit and a load sensor. The sensor is used for acquiring signals for the oil extractor to perform upstroke and downstroke; the load size measured by the sensor is used for judging whether a polish rod is separated from a beam hanger; when the load value measured by the sensor is smaller than the preset value, the control system automatically controls a variable speed motor to lower the rotating speed to adapt to the downstream speed of the polish rod; the signals of the upstroke and the downstroke are acquired by a proximity switch or an angle transducer; the load sensor is arranged above the beam hanger; the polish rod is arranged above the load sensor in a stuck manner; and the variable speed motor can be a variable frequency and variable speed motor or a switched reluctance motor or a motor with an electric-magnetic slip clutch. 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| language | chi ; eng |
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| subjects | CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MINING MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS REGULATING |
| title | Oil extractor control system for viscous oil recovery |
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