Multilateral well cementation large drift diameter packer
The utility model relates to the technical field of oil field multilateral well cementation, in particular to a multilateral well cementation large drift diameter packer. The multilateral well cementation large drift diameter packer is characterized in that the lower end of an upper joint of the mul...
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| creator | GAO YANG LI HU LI MIN LI QINGLE CHEN ZHENGANG DENG XU FENG YUEGANG ZHANG DUOJIAO ZHAO YUN SHANG XIANFEI ZHAO ZHAN ZHANG XUE ZHANG SHUAIQIAN YANG LIN LIU HENG |
| description | The utility model relates to the technical field of oil field multilateral well cementation, in particular to a multilateral well cementation large drift diameter packer. The multilateral well cementation large drift diameter packer is characterized in that the lower end of an upper joint of the multilateral well cementation large drift diameter packer is connected with a base tube, a rubber drum is sleeved on the base tube, an upper ejector sleeve is installed at the upper end of the rubber drum, a lower ejector sleeve is installed at the lower end of the rubber drum, a force transmission tube is placed at the lower end of the rubber drum, the force transmission tube, a tilting prevention outer tube, a connecting tube, a piston (I), a piston (II) are connected in sequence, a tilting prevention ring is installed in the tilting prevention outer tube, an upper spacer sleeve is placed on the inner side of the piston (II) and connected with the lower end of the base tube, the inner wall of the upper spacer sleeve |
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The multilateral well cementation large drift diameter packer is characterized in that the lower end of an upper joint of the multilateral well cementation large drift diameter packer is connected with a base tube, a rubber drum is sleeved on the base tube, an upper ejector sleeve is installed at the upper end of the rubber drum, a lower ejector sleeve is installed at the lower end of the rubber drum, a force transmission tube is placed at the lower end of the rubber drum, the force transmission tube, a tilting prevention outer tube, a connecting tube, a piston (I), a piston (II) are connected in sequence, a tilting prevention ring is installed in the tilting prevention outer tube, an upper spacer sleeve is placed on the inner side of the piston (II) and connected with the lower end of the base tube, the inner wall of the upper spacer sleeve</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>2014</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=20140416&DB=EPODOC&CC=CN&NR=203547650U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140416&DB=EPODOC&CC=CN&NR=203547650U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GAO YANG</creatorcontrib><creatorcontrib>LI HU</creatorcontrib><creatorcontrib>LI MIN</creatorcontrib><creatorcontrib>LI QINGLE</creatorcontrib><creatorcontrib>CHEN ZHENGANG</creatorcontrib><creatorcontrib>DENG XU</creatorcontrib><creatorcontrib>FENG YUEGANG</creatorcontrib><creatorcontrib>ZHANG DUOJIAO</creatorcontrib><creatorcontrib>ZHAO YUN</creatorcontrib><creatorcontrib>SHANG XIANFEI</creatorcontrib><creatorcontrib>ZHAO ZHAN</creatorcontrib><creatorcontrib>ZHANG XUE</creatorcontrib><creatorcontrib>ZHANG SHUAIQIAN</creatorcontrib><creatorcontrib>YANG LIN</creatorcontrib><creatorcontrib>LIU HENG</creatorcontrib><title>Multilateral well cementation large drift diameter packer</title><description>The utility model relates to the technical field of oil field multilateral well cementation, in particular to a multilateral well cementation large drift diameter packer. 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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 | Multilateral well cementation large drift diameter packer |
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