Wedge deflecting device for sidetracking
A wedge deflecting device useful in drilling and workover operations on oil and gas wells. The device includes a cutting tool connected to the upper portion of the wedge by means of the shear element provided with an external circular groove, located below the wedge deflecting surface, and with a tr...
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| creator | AKHMADISHIN FARIT FOATOVICH ZALYATOV MARAT MARSOVICH MUKHAMETSHIN ALMAZ ADGAMOVICH IBRAGIMOV NAIL GABDULBARIEVICH ISMAGILOV MARAT AZATOVICH |
| description | A wedge deflecting device useful in drilling and workover operations on oil and gas wells. The device includes a cutting tool connected to the upper portion of the wedge by means of the shear element provided with an external circular groove, located below the wedge deflecting surface, and with a transverse slot in its upper part, the cutting tool having a longitudinal cylinder and a downwards spring-biased piston, inserted into the cylinder; above lower seal elements and below the spring the piston has a wedge nose which corresponds to a transverse slot of the shear element. Below the piston, the cylinder communicates with the drill string and the supply tube, and above-the-piston space communicates with the borehole interior. The cutting tool is provided with a radial inward spring-biased locking element, arranged to be able to fix the piston in its top position, where the piston is located above the shear element. |
| format | Patent |
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The device includes a cutting tool connected to the upper portion of the wedge by means of the shear element provided with an external circular groove, located below the wedge deflecting surface, and with a transverse slot in its upper part, the cutting tool having a longitudinal cylinder and a downwards spring-biased piston, inserted into the cylinder; above lower seal elements and below the spring the piston has a wedge nose which corresponds to a transverse slot of the shear element. Below the piston, the cylinder communicates with the drill string and the supply tube, and above-the-piston space communicates with the borehole interior. The cutting tool is provided with a radial inward spring-biased locking element, arranged to be able to fix the piston in its top position, where the piston is located above the shear element.</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>2014</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=20140916&DB=EPODOC&CC=US&NR=8833442B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140916&DB=EPODOC&CC=US&NR=8833442B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>AKHMADISHIN FARIT FOATOVICH</creatorcontrib><creatorcontrib>ZALYATOV MARAT MARSOVICH</creatorcontrib><creatorcontrib>MUKHAMETSHIN ALMAZ ADGAMOVICH</creatorcontrib><creatorcontrib>IBRAGIMOV NAIL GABDULBARIEVICH</creatorcontrib><creatorcontrib>ISMAGILOV MARAT AZATOVICH</creatorcontrib><title>Wedge deflecting device for sidetracking</title><description>A wedge deflecting device useful in drilling and workover operations on oil and gas wells. The device includes a cutting tool connected to the upper portion of the wedge by means of the shear element provided with an external circular groove, located below the wedge deflecting surface, and with a transverse slot in its upper part, the cutting tool having a longitudinal cylinder and a downwards spring-biased piston, inserted into the cylinder; above lower seal elements and below the spring the piston has a wedge nose which corresponds to a transverse slot of the shear element. Below the piston, the cylinder communicates with the drill string and the supply tube, and above-the-piston space communicates with the borehole interior. The cutting tool is provided with a radial inward spring-biased locking element, arranged to be able to fix the piston in its top position, where the piston is located above the shear element.</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>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAIT01JT1VISU3LSU0uycxLBzLLMpNTFdLyixSKM1NSS4oSk7OB4jwMrGmJOcWpvFCam0HBzTXE2UM3tSA_PrW4IDE5NS-1JD402MLC2NjExMjJyJgIJQCAcigR</recordid><startdate>20140916</startdate><enddate>20140916</enddate><creator>AKHMADISHIN FARIT FOATOVICH</creator><creator>ZALYATOV MARAT MARSOVICH</creator><creator>MUKHAMETSHIN ALMAZ ADGAMOVICH</creator><creator>IBRAGIMOV NAIL GABDULBARIEVICH</creator><creator>ISMAGILOV MARAT AZATOVICH</creator><scope>EVB</scope></search><sort><creationdate>20140916</creationdate><title>Wedge deflecting device for sidetracking</title><author>AKHMADISHIN FARIT FOATOVICH ; ZALYATOV MARAT MARSOVICH ; MUKHAMETSHIN ALMAZ ADGAMOVICH ; IBRAGIMOV NAIL GABDULBARIEVICH ; ISMAGILOV MARAT AZATOVICH</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US8833442B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2014</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>AKHMADISHIN FARIT FOATOVICH</creatorcontrib><creatorcontrib>ZALYATOV MARAT MARSOVICH</creatorcontrib><creatorcontrib>MUKHAMETSHIN ALMAZ ADGAMOVICH</creatorcontrib><creatorcontrib>IBRAGIMOV NAIL GABDULBARIEVICH</creatorcontrib><creatorcontrib>ISMAGILOV MARAT AZATOVICH</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>AKHMADISHIN FARIT FOATOVICH</au><au>ZALYATOV MARAT MARSOVICH</au><au>MUKHAMETSHIN ALMAZ ADGAMOVICH</au><au>IBRAGIMOV NAIL GABDULBARIEVICH</au><au>ISMAGILOV MARAT AZATOVICH</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Wedge deflecting device for sidetracking</title><date>2014-09-16</date><risdate>2014</risdate><abstract>A wedge deflecting device useful in drilling and workover operations on oil and gas wells. The device includes a cutting tool connected to the upper portion of the wedge by means of the shear element provided with an external circular groove, located below the wedge deflecting surface, and with a transverse slot in its upper part, the cutting tool having a longitudinal cylinder and a downwards spring-biased piston, inserted into the cylinder; above lower seal elements and below the spring the piston has a wedge nose which corresponds to a transverse slot of the shear element. Below the piston, the cylinder communicates with the drill string and the supply tube, and above-the-piston space communicates with the borehole interior. The cutting tool is provided with a radial inward spring-biased locking element, arranged to be able to fix the piston in its top position, where the piston is located above the shear element.</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 | Wedge deflecting device for sidetracking |
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