Drill bit of rotary drilling rig for preventing drilling hole shrinkage in soft plastic stratum

Drill bit of rotary drilling rig for preventing drilling hole shrinkage in soft plastic stratum

The invention discloses a drill bit of a rotary drilling rig for preventing drilling hole shrinkage in a soft plastic stratum. The rotary drilling rig drill bit comprises dredging teeth, a sleeve, a disc, dredging knife edges and a butt joint body. The dredging teeth are uniformly distributed and co...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: LIU JINGJING, WANG WEI, ZHANG RAN, SHANG WEIDONG, LIU HONGLUO, LI CHENYAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
container_end_page
container_issue
container_start_page
container_title
container_volume
creator LIU JINGJING
WANG WEI
ZHANG RAN
SHANG WEIDONG
LIU HONGLUO
LI CHENYAN
description The invention discloses a drill bit of a rotary drilling rig for preventing drilling hole shrinkage in a soft plastic stratum. The rotary drilling rig drill bit comprises dredging teeth, a sleeve, a disc, dredging knife edges and a butt joint body. The dredging teeth are uniformly distributed and connected to the lower end surface of the sleeve; symmetrical ventilation notches are formed in two sides of the periphery of the disc, the disc is connected with the upper end of the sleeve, straight-through pipelines are symmetrically arranged at the inner walls of two sides of the sleeve and communicate with the ventilation notches, the dredging knife edges are located on the lower portions of lower openings of the straight-through pipelines, the lower end of the butt-joint body is concentrically and fixedly connected with the top face of the disc, and pin holes are formed in the butt-joint body. The rotary drilling rig drill bit can prevent the rotary drilling rig from drilling in a soft plastic stratum to genera
format Patent
fullrecord <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_CN109915027A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>CN109915027A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_CN109915027A3</originalsourceid><addsrcrecordid>eNqNirEKwjAQQLM4iPoP5wcIrSLSUari5OQeYr2kR2MuXE7Bv5eCODs9eO9NjT0IxQg3UmAPwurkDffRUQogFMCzQBZ8YdJR_VrPEaH0QmlwAYESFPYKObqi1EFRcfp8zM3Eu1hw8eXMLE_Ha3teYWaLJbsOE6ptL3XVNPW2Wu_2m3-eD4WRPSI</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Drill bit of rotary drilling rig for preventing drilling hole shrinkage in soft plastic stratum</title><source>esp@cenet</source><creator>LIU JINGJING ; WANG WEI ; ZHANG RAN ; SHANG WEIDONG ; LIU HONGLUO ; LI CHENYAN</creator><creatorcontrib>LIU JINGJING ; WANG WEI ; ZHANG RAN ; SHANG WEIDONG ; LIU HONGLUO ; LI CHENYAN</creatorcontrib><description>The invention discloses a drill bit of a rotary drilling rig for preventing drilling hole shrinkage in a soft plastic stratum. The rotary drilling rig drill bit comprises dredging teeth, a sleeve, a disc, dredging knife edges and a butt joint body. The dredging teeth are uniformly distributed and connected to the lower end surface of the sleeve; symmetrical ventilation notches are formed in two sides of the periphery of the disc, the disc is connected with the upper end of the sleeve, straight-through pipelines are symmetrically arranged at the inner walls of two sides of the sleeve and communicate with the ventilation notches, the dredging knife edges are located on the lower portions of lower openings of the straight-through pipelines, the lower end of the butt-joint body is concentrically and fixedly connected with the top face of the disc, and pin holes are formed in the butt-joint body. The rotary drilling rig drill bit can prevent the rotary drilling rig from drilling in a soft plastic stratum to genera</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=20190621&amp;DB=EPODOC&amp;CC=CN&amp;NR=109915027A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76304</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20190621&amp;DB=EPODOC&amp;CC=CN&amp;NR=109915027A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIU JINGJING</creatorcontrib><creatorcontrib>WANG WEI</creatorcontrib><creatorcontrib>ZHANG RAN</creatorcontrib><creatorcontrib>SHANG WEIDONG</creatorcontrib><creatorcontrib>LIU HONGLUO</creatorcontrib><creatorcontrib>LI CHENYAN</creatorcontrib><title>Drill bit of rotary drilling rig for preventing drilling hole shrinkage in soft plastic stratum</title><description>The invention discloses a drill bit of a rotary drilling rig for preventing drilling hole shrinkage in a soft plastic stratum. The rotary drilling rig drill bit comprises dredging teeth, a sleeve, a disc, dredging knife edges and a butt joint body. The dredging teeth are uniformly distributed and connected to the lower end surface of the sleeve; symmetrical ventilation notches are formed in two sides of the periphery of the disc, the disc is connected with the upper end of the sleeve, straight-through pipelines are symmetrically arranged at the inner walls of two sides of the sleeve and communicate with the ventilation notches, the dredging knife edges are located on the lower portions of lower openings of the straight-through pipelines, the lower end of the butt-joint body is concentrically and fixedly connected with the top face of the disc, and pin holes are formed in the butt-joint body. The rotary drilling rig drill bit can prevent the rotary drilling rig from drilling in a soft plastic stratum to genera</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>eNqNirEKwjAQQLM4iPoP5wcIrSLSUari5OQeYr2kR2MuXE7Bv5eCODs9eO9NjT0IxQg3UmAPwurkDffRUQogFMCzQBZ8YdJR_VrPEaH0QmlwAYESFPYKObqi1EFRcfp8zM3Eu1hw8eXMLE_Ha3teYWaLJbsOE6ptL3XVNPW2Wu_2m3-eD4WRPSI</recordid><startdate>20190621</startdate><enddate>20190621</enddate><creator>LIU JINGJING</creator><creator>WANG WEI</creator><creator>ZHANG RAN</creator><creator>SHANG WEIDONG</creator><creator>LIU HONGLUO</creator><creator>LI CHENYAN</creator><scope>EVB</scope></search><sort><creationdate>20190621</creationdate><title>Drill bit of rotary drilling rig for preventing drilling hole shrinkage in soft plastic stratum</title><author>LIU JINGJING ; WANG WEI ; ZHANG RAN ; SHANG WEIDONG ; LIU HONGLUO ; LI CHENYAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN109915027A3</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>LIU JINGJING</creatorcontrib><creatorcontrib>WANG WEI</creatorcontrib><creatorcontrib>ZHANG RAN</creatorcontrib><creatorcontrib>SHANG WEIDONG</creatorcontrib><creatorcontrib>LIU HONGLUO</creatorcontrib><creatorcontrib>LI CHENYAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LIU JINGJING</au><au>WANG WEI</au><au>ZHANG RAN</au><au>SHANG WEIDONG</au><au>LIU HONGLUO</au><au>LI CHENYAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Drill bit of rotary drilling rig for preventing drilling hole shrinkage in soft plastic stratum</title><date>2019-06-21</date><risdate>2019</risdate><abstract>The invention discloses a drill bit of a rotary drilling rig for preventing drilling hole shrinkage in a soft plastic stratum. The rotary drilling rig drill bit comprises dredging teeth, a sleeve, a disc, dredging knife edges and a butt joint body. The dredging teeth are uniformly distributed and connected to the lower end surface of the sleeve; symmetrical ventilation notches are formed in two sides of the periphery of the disc, the disc is connected with the upper end of the sleeve, straight-through pipelines are symmetrically arranged at the inner walls of two sides of the sleeve and communicate with the ventilation notches, the dredging knife edges are located on the lower portions of lower openings of the straight-through pipelines, the lower end of the butt-joint body is concentrically and fixedly connected with the top face of the disc, and pin holes are formed in the butt-joint body. The rotary drilling rig drill bit can prevent the rotary drilling rig from drilling in a soft plastic stratum to genera</abstract><oa>free_for_read</oa></addata></record>
fulltext fulltext_linktorsrc
identifier
ispartof
issn
language chi ; eng
recordid cdi_epo_espacenet_CN109915027A
source esp@cenet
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 Drill bit of rotary drilling rig for preventing drilling hole shrinkage in soft plastic stratum
url https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-15T10%3A19%3A01IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=LIU%20JINGJING&rft.date=2019-06-21&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3ECN109915027A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true