METODO E APARELHO PARA A PENETRACAO DE UM TUBO DE SONDAGEM ATRAVES DE SOBRECARGA SENSIVEL OU ESTRUTURAS SENSIVEIS
The present invention relates to a method and a device for driving down casings (2) through sensible overburden or sensible structures, making use of a drilling device (1) activated by compressed air that at the lower part of the drilling device (1) is led through exhaust channels (14, 142) in such...
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| creator | SVEN-ERICK BJERKING SVEN-GORAN ANDERSSON |
| description | The present invention relates to a method and a device for driving down casings (2) through sensible overburden or sensible structures, making use of a drilling device (1) activated by compressed air that at the lower part of the drilling device (1) is led through exhaust channels (14, 142) in such a way that the major part (B) of the compressed air flow is directed upwards to be led away between the casing (2) and the drill stem together with the cuttings and a minor part (D) of the compressed air being fed to the drill bit.
The characterizing feature for the invention is that the compressed air in the exhaust channels (14, 142) is controlled in order to adapt the intensity of the compressed air flow to the material that is penetrated. The compressed air (D) fed to the drill bit is led away through jet action from the major part (B) of the compressed air. |
| format | Patent |
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The characterizing feature for the invention is that the compressed air in the exhaust channels (14, 142) is controlled in order to adapt the intensity of the compressed air flow to the material that is penetrated. The compressed air (D) fed to the drill bit is led away through jet action from the major part (B) of the compressed air.</description><edition>4</edition><language>por</language><subject>EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; EMBANKMENTS ; EXCAVATIONS ; FIXED CONSTRUCTIONS ; FOUNDATIONS ; HYDRAULIC ENGINEERING ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS ; SOIL SHIFTING ; UNDERGROUND OR UNDERWATER STRUCTURES</subject><creationdate>1987</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=19870203&DB=EPODOC&CC=BR&NR=8602576A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19870203&DB=EPODOC&CC=BR&NR=8602576A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SVEN-ERICK BJERKING</creatorcontrib><creatorcontrib>SVEN-GORAN ANDERSSON</creatorcontrib><title>METODO E APARELHO PARA A PENETRACAO DE UM TUBO DE SONDAGEM ATRAVES DE SOBRECARGA SENSIVEL OU ESTRUTURAS SENSIVEIS</title><description>The present invention relates to a method and a device for driving down casings (2) through sensible overburden or sensible structures, making use of a drilling device (1) activated by compressed air that at the lower part of the drilling device (1) is led through exhaust channels (14, 142) in such a way that the major part (B) of the compressed air flow is directed upwards to be led away between the casing (2) and the drill stem together with the cuttings and a minor part (D) of the compressed air being fed to the drill bit.
The characterizing feature for the invention is that the compressed air in the exhaust channels (14, 142) is controlled in order to adapt the intensity of the compressed air flow to the material that is penetrated. The compressed air (D) fed to the drill bit is led away through jet action from the major part (B) of the compressed air.</description><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>EMBANKMENTS</subject><subject>EXCAVATIONS</subject><subject>FIXED CONSTRUCTIONS</subject><subject>FOUNDATIONS</subject><subject>HYDRAULIC ENGINEERING</subject><subject>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><subject>SOIL SHIFTING</subject><subject>UNDERGROUND OR UNDERWATER STRUCTURES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1987</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqFissKglAURZ00iOobOj8QRJE5PepOBfXKOfc6FYnbKMqw_yfpMW60NmvtefCoYE1qCMQNC8rc0EQmpgY1rHDChlKQq8i6-D3V1ClnqIin3EI_LhYkLBmTotaiRUnGEdSKs05Yf7rQZTC79NfRr75cBOsTbJJv_HDv_Dj0Z3_zzy6WKNzuDseQ9_8fL9uVNvo</recordid><startdate>19870203</startdate><enddate>19870203</enddate><creator>SVEN-ERICK BJERKING</creator><creator>SVEN-GORAN ANDERSSON</creator><scope>EVB</scope></search><sort><creationdate>19870203</creationdate><title>METODO E APARELHO PARA A PENETRACAO DE UM TUBO DE SONDAGEM ATRAVES DE SOBRECARGA SENSIVEL OU ESTRUTURAS SENSIVEIS</title><author>SVEN-ERICK BJERKING ; SVEN-GORAN ANDERSSON</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_BR8602576A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>por</language><creationdate>1987</creationdate><topic>EARTH DRILLING</topic><topic>EARTH DRILLING, e.g. DEEP DRILLING</topic><topic>EMBANKMENTS</topic><topic>EXCAVATIONS</topic><topic>FIXED CONSTRUCTIONS</topic><topic>FOUNDATIONS</topic><topic>HYDRAULIC ENGINEERING</topic><topic>MINING</topic><topic>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</topic><topic>SOIL SHIFTING</topic><topic>UNDERGROUND OR UNDERWATER STRUCTURES</topic><toplevel>online_resources</toplevel><creatorcontrib>SVEN-ERICK BJERKING</creatorcontrib><creatorcontrib>SVEN-GORAN ANDERSSON</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SVEN-ERICK BJERKING</au><au>SVEN-GORAN ANDERSSON</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METODO E APARELHO PARA A PENETRACAO DE UM TUBO DE SONDAGEM ATRAVES DE SOBRECARGA SENSIVEL OU ESTRUTURAS SENSIVEIS</title><date>1987-02-03</date><risdate>1987</risdate><abstract>The present invention relates to a method and a device for driving down casings (2) through sensible overburden or sensible structures, making use of a drilling device (1) activated by compressed air that at the lower part of the drilling device (1) is led through exhaust channels (14, 142) in such a way that the major part (B) of the compressed air flow is directed upwards to be led away between the casing (2) and the drill stem together with the cuttings and a minor part (D) of the compressed air being fed to the drill bit.
The characterizing feature for the invention is that the compressed air in the exhaust channels (14, 142) is controlled in order to adapt the intensity of the compressed air flow to the material that is penetrated. The compressed air (D) fed to the drill bit is led away through jet action from the major part (B) of the compressed air.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| language | por |
| recordid | cdi_epo_espacenet_BR8602576A |
| source | esp@cenet |
| subjects | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES |
| title | METODO E APARELHO PARA A PENETRACAO DE UM TUBO DE SONDAGEM ATRAVES DE SOBRECARGA SENSIVEL OU ESTRUTURAS SENSIVEIS |
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