Out-of-control blowout well head device reset method
The invention discloses an out-of-control blowout well head device reset method, and relates to the field of well head reset after casting pipe cutting or under the polished casting pipe condition when out-of-control blowout of an oil-gas well occurs. An integral oil-gas well out-of-control blowout...
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| creator | DUAN MUBAI LIU ZHENGLIAN LUO WEIHUA HU XUGUANG LAI XIANGDONG LUO YUAN LI HONGBING XIE YIXIANG LIU GUIYI WANG LIUYANG |
| description | The invention discloses an out-of-control blowout well head device reset method, and relates to the field of well head reset after casting pipe cutting or under the polished casting pipe condition when out-of-control blowout of an oil-gas well occurs. An integral oil-gas well out-of-control blowout emergency rescuing bottom flange is connected to the lower portion of a new well head device, the bottom flange is installed on a polished casting pipe in a pressurizing mode through a well head reset device, and casing pipe clamping and sealing are achieved; and when the casing pipe is cut, the casting pipe is cut with a bevelling machine, and meanwhile a beveled edge is chamfered on the top face of the casing pipe. According to the method, the reset steps of the out-of-control blowout well head device can be significantly reduced, the well head emergency installing operation efficiency can be improved, the near well head operation time of rescuers can be shortened, and the operation risk can be reduced.
本发明公开了种井喷 |
| format | Patent |
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本发明公开了种井喷</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>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=20190222&DB=EPODOC&CC=CN&NR=109372461A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190222&DB=EPODOC&CC=CN&NR=109372461A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DUAN MUBAI</creatorcontrib><creatorcontrib>LIU ZHENGLIAN</creatorcontrib><creatorcontrib>LUO WEIHUA</creatorcontrib><creatorcontrib>HU XUGUANG</creatorcontrib><creatorcontrib>LAI XIANGDONG</creatorcontrib><creatorcontrib>LUO YUAN</creatorcontrib><creatorcontrib>LI HONGBING</creatorcontrib><creatorcontrib>XIE YIXIANG</creatorcontrib><creatorcontrib>LIU GUIYI</creatorcontrib><creatorcontrib>WANG LIUYANG</creatorcontrib><title>Out-of-control blowout well head device reset method</title><description>The invention discloses an out-of-control blowout well head device reset method, and relates to the field of well head reset after casting pipe cutting or under the polished casting pipe condition when out-of-control blowout of an oil-gas well occurs. An integral oil-gas well out-of-control blowout emergency rescuing bottom flange is connected to the lower portion of a new well head device, the bottom flange is installed on a polished casting pipe in a pressurizing mode through a well head reset device, and casing pipe clamping and sealing are achieved; and when the casing pipe is cut, the casting pipe is cut with a bevelling machine, and meanwhile a beveled edge is chamfered on the top face of the casing pipe. According to the method, the reset steps of the out-of-control blowout well head device can be significantly reduced, the well head emergency installing operation efficiency can be improved, the near well head operation time of rescuers can be shortened, and the operation risk can be reduced.
本发明公开了种井喷</description><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDDxLy3RzU_TTc7PKynKz1FIyskvzy8tUShPzclRyEhNTFFISS3LTE5VKEotTi1RyE0tychP4WFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8c5-hgaWxuZGJmaGjsbEqAEAI8wsqw</recordid><startdate>20190222</startdate><enddate>20190222</enddate><creator>DUAN MUBAI</creator><creator>LIU ZHENGLIAN</creator><creator>LUO WEIHUA</creator><creator>HU XUGUANG</creator><creator>LAI XIANGDONG</creator><creator>LUO YUAN</creator><creator>LI HONGBING</creator><creator>XIE YIXIANG</creator><creator>LIU GUIYI</creator><creator>WANG LIUYANG</creator><scope>EVB</scope></search><sort><creationdate>20190222</creationdate><title>Out-of-control blowout well head device reset method</title><author>DUAN MUBAI ; LIU ZHENGLIAN ; LUO WEIHUA ; HU XUGUANG ; LAI XIANGDONG ; LUO YUAN ; LI HONGBING ; XIE YIXIANG ; LIU GUIYI ; WANG LIUYANG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN109372461A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2019</creationdate><topic>EARTH DRILLING</topic><topic>EARTH DRILLING, e.g. DEEP DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>MINING</topic><topic>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</topic><toplevel>online_resources</toplevel><creatorcontrib>DUAN MUBAI</creatorcontrib><creatorcontrib>LIU ZHENGLIAN</creatorcontrib><creatorcontrib>LUO WEIHUA</creatorcontrib><creatorcontrib>HU XUGUANG</creatorcontrib><creatorcontrib>LAI XIANGDONG</creatorcontrib><creatorcontrib>LUO YUAN</creatorcontrib><creatorcontrib>LI HONGBING</creatorcontrib><creatorcontrib>XIE YIXIANG</creatorcontrib><creatorcontrib>LIU GUIYI</creatorcontrib><creatorcontrib>WANG LIUYANG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DUAN MUBAI</au><au>LIU ZHENGLIAN</au><au>LUO WEIHUA</au><au>HU XUGUANG</au><au>LAI XIANGDONG</au><au>LUO YUAN</au><au>LI HONGBING</au><au>XIE YIXIANG</au><au>LIU GUIYI</au><au>WANG LIUYANG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Out-of-control blowout well head device reset method</title><date>2019-02-22</date><risdate>2019</risdate><abstract>The invention discloses an out-of-control blowout well head device reset method, and relates to the field of well head reset after casting pipe cutting or under the polished casting pipe condition when out-of-control blowout of an oil-gas well occurs. An integral oil-gas well out-of-control blowout emergency rescuing bottom flange is connected to the lower portion of a new well head device, the bottom flange is installed on a polished casting pipe in a pressurizing mode through a well head reset device, and casing pipe clamping and sealing are achieved; and when the casing pipe is cut, the casting pipe is cut with a bevelling machine, and meanwhile a beveled edge is chamfered on the top face of the casing pipe. According to the method, the reset steps of the out-of-control blowout well head device can be significantly reduced, the well head emergency installing operation efficiency can be improved, the near well head operation time of rescuers can be shortened, and the operation risk can be reduced.
本发明公开了种井喷</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 | Out-of-control blowout well head device reset method |
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