Extension tool for directional well and horizontal well
The invention discloses a directional well and horizontal well extending tool which comprises a shell, an impeller is rotationally connected in the shell, a rotating disc is connected above the impeller, the rotating disc is eccentrically connected with a rack, the rack is meshed with a gear, the lo...
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| creator | XU JIE XIE RONGBIN LIU WEI LIU JIE ZHU GUOWEI LIU BAOSHENG CUI GUOJIE TANG BAISONG DOU PENG TAO LIN |
| description | The invention discloses a directional well and horizontal well extending tool which comprises a shell, an impeller is rotationally connected in the shell, a rotating disc is connected above the impeller, the rotating disc is eccentrically connected with a rack, the rack is meshed with a gear, the lower portion of the gear is connected with a steering gear through a gear shaft, and the bottom face of the steering gear is connected with a driving wheel. The axis of the driving wheel deviates from the axis of the gear; and the rear lower part of the shell is connected with a driven wheel. The driving principle is a centrifugal rule and a curve force rule, the driving wheel periodically swings, the friction force of the well bottom wall surface to the edge of the driving wheel can generate a forward pushing effect, and the alternating transverse component of the friction force enables the extension tool to have a unique form of snakelike swimming, so that the problems of high friction resistance, serious supporti |
| format | Patent |
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The axis of the driving wheel deviates from the axis of the gear; and the rear lower part of the shell is connected with a driven wheel. The driving principle is a centrifugal rule and a curve force rule, the driving wheel periodically swings, the friction force of the well bottom wall surface to the edge of the driving wheel can generate a forward pushing effect, and the alternating transverse component of the friction force enables the extension tool to have a unique form of snakelike swimming, so that the problems of high friction resistance, serious supporti</description><language>chi ; eng</language><subject>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</subject><creationdate>2023</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=20230929&DB=EPODOC&CC=CN&NR=116816263A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230929&DB=EPODOC&CC=CN&NR=116816263A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>XU JIE</creatorcontrib><creatorcontrib>XIE RONGBIN</creatorcontrib><creatorcontrib>LIU WEI</creatorcontrib><creatorcontrib>LIU JIE</creatorcontrib><creatorcontrib>ZHU GUOWEI</creatorcontrib><creatorcontrib>LIU BAOSHENG</creatorcontrib><creatorcontrib>CUI GUOJIE</creatorcontrib><creatorcontrib>TANG BAISONG</creatorcontrib><creatorcontrib>DOU PENG</creatorcontrib><creatorcontrib>TAO LIN</creatorcontrib><title>Extension tool for directional well and horizontal well</title><description>The invention discloses a directional well and horizontal well extending tool which comprises a shell, an impeller is rotationally connected in the shell, a rotating disc is connected above the impeller, the rotating disc is eccentrically connected with a rack, the rack is meshed with a gear, the lower portion of the gear is connected with a steering gear through a gear shaft, and the bottom face of the steering gear is connected with a driving wheel. The axis of the driving wheel deviates from the axis of the gear; and the rear lower part of the shell is connected with a driven wheel. 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The axis of the driving wheel deviates from the axis of the gear; and the rear lower part of the shell is connected with a driven wheel. The driving principle is a centrifugal rule and a curve force rule, the driving wheel periodically swings, the friction force of the well bottom wall surface to the edge of the driving wheel can generate a forward pushing effect, and the alternating transverse component of the friction force enables the extension tool to have a unique form of snakelike swimming, so that the problems of high friction resistance, serious supporti</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 | Extension tool for directional well and horizontal well |
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