Radial jet windowing guiding device and method for highly-deviated well
The invention discloses a radial jet windowing guiding device for a highly-deviated well. The radial jet windowing guiding device for the highly-deviated well comprises a seal cylinder (10) and a butt joint seat (11). An upper connector (2), a connecting pipe (6) and a lower connector (7) are arrang...
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creator | XU FABIN WANG ERJUN YAN MING JIAN CHENG LI ZHIDA LI JIANYI MA LEI ZHAO ZHICHAO XIAN JIAHAO HUANG LIANG |
description | The invention discloses a radial jet windowing guiding device for a highly-deviated well. The radial jet windowing guiding device for the highly-deviated well comprises a seal cylinder (10) and a butt joint seat (11). An upper connector (2), a connecting pipe (6) and a lower connector (7) are arranged in the seal cylinder from top to bottom. The upper connector, the connecting pipe, the lower connector and the butt joint seat are all provided with a through hole. A central pipe (1), a universal joint (8) connected to the lower end of the central pipe and a drill bit connected to the lower end of the universal joint are arranged in the through holes. The central pipe is fixedly connected with the upper connector through a shear pin (5). The upper end, extending into the seal cylinder, of the butt joint seat is provided with a lower butt joint guiding groove (12) extending downwards. The outer wall of the lower connector is provided with a connecting block (13) capable of being inserted into the lower butt joint guiding groove. The upper end of the upper connector is provided with an upper butt joint guiding groove (14) extending downwards. The radial jet windowing guiding device for the highly-deviated well solves the problem that in the highly-deviated well, because the universal joint and the windowing drill bit cannot enter a guiding device, windowing cannot be achieved. The invention further discloses a windowing guiding method adopting the radial jet windowing guiding device. |
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The radial jet windowing guiding device for the highly-deviated well comprises a seal cylinder (10) and a butt joint seat (11). An upper connector (2), a connecting pipe (6) and a lower connector (7) are arranged in the seal cylinder from top to bottom. The upper connector, the connecting pipe, the lower connector and the butt joint seat are all provided with a through hole. A central pipe (1), a universal joint (8) connected to the lower end of the central pipe and a drill bit connected to the lower end of the universal joint are arranged in the through holes. The central pipe is fixedly connected with the upper connector through a shear pin (5). The upper end, extending into the seal cylinder, of the butt joint seat is provided with a lower butt joint guiding groove (12) extending downwards. The outer wall of the lower connector is provided with a connecting block (13) capable of being inserted into the lower butt joint guiding groove. The upper end of the upper connector is provided with an upper butt joint guiding groove (14) extending downwards. The radial jet windowing guiding device for the highly-deviated well solves the problem that in the highly-deviated well, because the universal joint and the windowing drill bit cannot enter a guiding device, windowing cannot be achieved. The invention further discloses a windowing guiding method adopting the radial jet windowing guiding device.</description><language>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>2015</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=20151021&DB=EPODOC&CC=CN&NR=104989308A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151021&DB=EPODOC&CC=CN&NR=104989308A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>XU FABIN</creatorcontrib><creatorcontrib>WANG ERJUN</creatorcontrib><creatorcontrib>YAN MING</creatorcontrib><creatorcontrib>JIAN CHENG</creatorcontrib><creatorcontrib>LI ZHIDA</creatorcontrib><creatorcontrib>LI JIANYI</creatorcontrib><creatorcontrib>MA LEI</creatorcontrib><creatorcontrib>ZHAO ZHICHAO</creatorcontrib><creatorcontrib>XIAN JIAHAO</creatorcontrib><creatorcontrib>HUANG LIANG</creatorcontrib><title>Radial jet windowing guiding device and method for highly-deviated well</title><description>The invention discloses a radial jet windowing guiding device for a highly-deviated well. The radial jet windowing guiding device for the highly-deviated well comprises a seal cylinder (10) and a butt joint seat (11). An upper connector (2), a connecting pipe (6) and a lower connector (7) are arranged in the seal cylinder from top to bottom. The upper connector, the connecting pipe, the lower connector and the butt joint seat are all provided with a through hole. A central pipe (1), a universal joint (8) connected to the lower end of the central pipe and a drill bit connected to the lower end of the universal joint are arranged in the through holes. The central pipe is fixedly connected with the upper connector through a shear pin (5). The upper end, extending into the seal cylinder, of the butt joint seat is provided with a lower butt joint guiding groove (12) extending downwards. The outer wall of the lower connector is provided with a connecting block (13) capable of being inserted into the lower butt joint guiding groove. The upper end of the upper connector is provided with an upper butt joint guiding groove (14) extending downwards. The radial jet windowing guiding device for the highly-deviated well solves the problem that in the highly-deviated well, because the universal joint and the windowing drill bit cannot enter a guiding device, windowing cannot be achieved. The invention further discloses a windowing guiding method adopting the radial jet windowing guiding device.</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>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHAPSkzJTMxRyEotUSjPzEvJBxLpCumlmSkgOiW1LDM5VSExL0UhN7UkIz9FIS2_SCEjMz0jp1IXJJlYkpqiUJ6ak8PDwJqWmFOcyguluRkU3VxDnD10Uwvy41OLCxKTU_NSS-Kd_QwNTCwtLI0NLByNiVEDAEwAM8Y</recordid><startdate>20151021</startdate><enddate>20151021</enddate><creator>XU FABIN</creator><creator>WANG ERJUN</creator><creator>YAN MING</creator><creator>JIAN CHENG</creator><creator>LI ZHIDA</creator><creator>LI JIANYI</creator><creator>MA LEI</creator><creator>ZHAO ZHICHAO</creator><creator>XIAN JIAHAO</creator><creator>HUANG LIANG</creator><scope>EVB</scope></search><sort><creationdate>20151021</creationdate><title>Radial jet windowing guiding device and method for highly-deviated well</title><author>XU FABIN ; WANG ERJUN ; YAN MING ; JIAN CHENG ; LI ZHIDA ; LI JIANYI ; MA LEI ; ZHAO ZHICHAO ; XIAN JIAHAO ; HUANG LIANG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN104989308A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</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>XU FABIN</creatorcontrib><creatorcontrib>WANG ERJUN</creatorcontrib><creatorcontrib>YAN MING</creatorcontrib><creatorcontrib>JIAN CHENG</creatorcontrib><creatorcontrib>LI ZHIDA</creatorcontrib><creatorcontrib>LI JIANYI</creatorcontrib><creatorcontrib>MA LEI</creatorcontrib><creatorcontrib>ZHAO ZHICHAO</creatorcontrib><creatorcontrib>XIAN JIAHAO</creatorcontrib><creatorcontrib>HUANG LIANG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>XU FABIN</au><au>WANG ERJUN</au><au>YAN MING</au><au>JIAN CHENG</au><au>LI ZHIDA</au><au>LI JIANYI</au><au>MA LEI</au><au>ZHAO ZHICHAO</au><au>XIAN JIAHAO</au><au>HUANG LIANG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Radial jet windowing guiding device and method for highly-deviated well</title><date>2015-10-21</date><risdate>2015</risdate><abstract>The invention discloses a radial jet windowing guiding device for a highly-deviated well. The radial jet windowing guiding device for the highly-deviated well comprises a seal cylinder (10) and a butt joint seat (11). An upper connector (2), a connecting pipe (6) and a lower connector (7) are arranged in the seal cylinder from top to bottom. The upper connector, the connecting pipe, the lower connector and the butt joint seat are all provided with a through hole. A central pipe (1), a universal joint (8) connected to the lower end of the central pipe and a drill bit connected to the lower end of the universal joint are arranged in the through holes. The central pipe is fixedly connected with the upper connector through a shear pin (5). The upper end, extending into the seal cylinder, of the butt joint seat is provided with a lower butt joint guiding groove (12) extending downwards. The outer wall of the lower connector is provided with a connecting block (13) capable of being inserted into the lower butt joint guiding groove. The upper end of the upper connector is provided with an upper butt joint guiding groove (14) extending downwards. The radial jet windowing guiding device for the highly-deviated well solves the problem that in the highly-deviated well, because the universal joint and the windowing drill bit cannot enter a guiding device, windowing cannot be achieved. The invention further discloses a windowing guiding method adopting the radial jet windowing guiding device.</abstract><oa>free_for_read</oa></addata></record> |
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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 | Radial jet windowing guiding device and method for highly-deviated well |
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