Special cutting device for wellhead casing pipe

Special cutting device for wellhead casing pipe

The invention provides a special cutting device for a wellhead casing pipe. The special cutting device for the wellhead casing pipe comprises a top cone machine frame, a hydraulic motor drive assembly, a rotary central shaft transmission assembly, a nozzle assembly, a guiding rotary tensioning mecha...

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Hauptverfasser: CHI YANFEN, FENG TAO, WEI ZHONGGE, ZHANG XIAOHONG, ZHANG JUNJIAN, GAO SHUJUAN, SHAN CHAOFENG, XIE MINGZHI, JIAN XIANZHONG
Format: Patent
Sprache:chi ; eng
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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
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creator CHI YANFEN
FENG TAO
WEI ZHONGGE
ZHANG XIAOHONG
ZHANG JUNJIAN
GAO SHUJUAN
SHAN CHAOFENG
XIE MINGZHI
JIAN XIANZHONG
description The invention provides a special cutting device for a wellhead casing pipe. The special cutting device for the wellhead casing pipe comprises a top cone machine frame, a hydraulic motor drive assembly, a rotary central shaft transmission assembly, a nozzle assembly, a guiding rotary tensioning mechanism and connecting parts, wherein the top cone machine frame is composed of a cone end cover, a cone body and a cone bottom cover; the hydraulic motor drive assembly is composed of a micro hydraulic motor, a planetary reducer and a driving gear; the rotary central shaft transmission assembly is composed of a rotary central shaft, a tapered roller bearing, a driven gear, a driven rotary central shaft, an angle sensor and the like; the hydraulic motor drive assembly and the rotary central shaft transmission assembly are fixed to the cone end cover in a flanged connection mode; through holes communicating with a high-pressure mixed transportation pipe are formed in the middle part of the rotary central shaft transmis
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The special cutting device for the wellhead casing pipe comprises a top cone machine frame, a hydraulic motor drive assembly, a rotary central shaft transmission assembly, a nozzle assembly, a guiding rotary tensioning mechanism and connecting parts, wherein the top cone machine frame is composed of a cone end cover, a cone body and a cone bottom cover; the hydraulic motor drive assembly is composed of a micro hydraulic motor, a planetary reducer and a driving gear; the rotary central shaft transmission assembly is composed of a rotary central shaft, a tapered roller bearing, a driven gear, a driven rotary central shaft, an angle sensor and the like; the hydraulic motor drive assembly and the rotary central shaft transmission assembly are fixed to the cone end cover in a flanged connection mode; through holes communicating with a high-pressure mixed transportation pipe are formed in the middle part of the rotary central shaft transmis</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&amp;date=20190924&amp;DB=EPODOC&amp;CC=CN&amp;NR=110273660A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20190924&amp;DB=EPODOC&amp;CC=CN&amp;NR=110273660A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHI YANFEN</creatorcontrib><creatorcontrib>FENG TAO</creatorcontrib><creatorcontrib>WEI ZHONGGE</creatorcontrib><creatorcontrib>ZHANG XIAOHONG</creatorcontrib><creatorcontrib>ZHANG JUNJIAN</creatorcontrib><creatorcontrib>GAO SHUJUAN</creatorcontrib><creatorcontrib>SHAN CHAOFENG</creatorcontrib><creatorcontrib>XIE MINGZHI</creatorcontrib><creatorcontrib>JIAN XIANZHONG</creatorcontrib><title>Special cutting device for wellhead casing pipe</title><description>The invention provides a special cutting device for a wellhead casing pipe. 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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 Special cutting device for wellhead casing pipe
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