IN-LINE TORTIONAL VIBRATION MITIGATION MECHANISM FOR OIL WELL DRILLING ASSEMBLY
An assembly for inclusion between a drill bit and a drill string, the assembly having an overrunning clutch mechanism that disengages the drill bit from the drill string during the "slip" portion of a stick-slip cycle to allow the drill bit to freely rotate faster than the drill string. Th...
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| creator | GAIKWAD, RAHUL RAMCHANDRA PUROHIT, ANKIT KADAM, RATISH SUHAS GAJJI, BHARGAV |
| description | An assembly for inclusion between a drill bit and a drill string, the assembly having an overrunning clutch mechanism that disengages the drill bit from the drill string during the "slip" portion of a stick-slip cycle to allow the drill bit to freely rotate faster than the drill string. The assembly further includes a rotational vibration dampener operatively connected between the overrunning clutch and the drill bit. The vibration dampener may include a fluid chamber with viscous fluid or restrictions to fluid flow to effect dampening. During normal operation, the one-way overrunning clutch remains engaged to transfer torque between the drill string and bit, while the torsional damper is in its maximum displaced position to transfer the load. During slip, the drill bit is disengaged until its speed is lower than the drill string speed. Torsional vibration dampener dampens sudden impulse force of the overrunning clutch re-engaging.
La présente invention concerne un ensemble devant être inclus entre un trépan et un train de tiges, l'ensemble possédant un mécanisme d'embrayage à roue libre qui dégage le trépan du train de tiges pendant la partie « glissement » d'un cycle de glissement saccadé, afin de permettre que le trépan tourne librement plus vite que le train de tiges. L'ensemble comprend en outre un amortisseur de vibrations rotatif raccordé fonctionnel entre l'embrayage à roue libre et le trépan. L'amortisseur de vibrations peut comprendre une chambre de fluide possédant un fluide visqueux ou des restrictions à l'écoulement de fluide pour effectuer un amortissement. Pendant le fonctionnement normal, l'embrayage à roue libre en sens unique reste en prise pour transférer un couple entre le train de tiges et le trépan, pendant que l'amortisseur de torsion se trouve dans sa position déplacée maximale pour transférer la charge. Pendant le glissement, le trépan est libéré jusqu'à ce que sa vitesse soit inférieure à celle du train de tiges. L'amortisseur de vibrations de torsion amortit une force d'impulsion soudaine de la remise en prise de l'embrayage à roue libre. |
| format | Patent |
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La présente invention concerne un ensemble devant être inclus entre un trépan et un train de tiges, l'ensemble possédant un mécanisme d'embrayage à roue libre qui dégage le trépan du train de tiges pendant la partie « glissement » d'un cycle de glissement saccadé, afin de permettre que le trépan tourne librement plus vite que le train de tiges. L'ensemble comprend en outre un amortisseur de vibrations rotatif raccordé fonctionnel entre l'embrayage à roue libre et le trépan. L'amortisseur de vibrations peut comprendre une chambre de fluide possédant un fluide visqueux ou des restrictions à l'écoulement de fluide pour effectuer un amortissement. Pendant le fonctionnement normal, l'embrayage à roue libre en sens unique reste en prise pour transférer un couple entre le train de tiges et le trépan, pendant que l'amortisseur de torsion se trouve dans sa position déplacée maximale pour transférer la charge. Pendant le glissement, le trépan est libéré jusqu'à ce que sa vitesse soit inférieure à celle du train de tiges. L'amortisseur de vibrations de torsion amortit une force d'impulsion soudaine de la remise en prise de l'embrayage à roue libre.</description><language>eng ; fre</language><subject>BLASTING ; BRAKES ; CLUTCHES ; COUPLINGS FOR TRANSMITTING ROTATION ; EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; ENGINEERING ELEMENTS AND UNITS ; FIXED CONSTRUCTIONS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS ; THERMAL INSULATION IN GENERAL ; WEAPONS</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&date=20190402&DB=EPODOC&CC=CA&NR=2930044C$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25544,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190402&DB=EPODOC&CC=CA&NR=2930044C$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GAIKWAD, RAHUL RAMCHANDRA</creatorcontrib><creatorcontrib>PUROHIT, ANKIT</creatorcontrib><creatorcontrib>KADAM, RATISH SUHAS</creatorcontrib><creatorcontrib>GAJJI, BHARGAV</creatorcontrib><title>IN-LINE TORTIONAL VIBRATION MITIGATION MECHANISM FOR OIL WELL DRILLING ASSEMBLY</title><description>An assembly for inclusion between a drill bit and a drill string, the assembly having an overrunning clutch mechanism that disengages the drill bit from the drill string during the "slip" portion of a stick-slip cycle to allow the drill bit to freely rotate faster than the drill string. The assembly further includes a rotational vibration dampener operatively connected between the overrunning clutch and the drill bit. The vibration dampener may include a fluid chamber with viscous fluid or restrictions to fluid flow to effect dampening. During normal operation, the one-way overrunning clutch remains engaged to transfer torque between the drill string and bit, while the torsional damper is in its maximum displaced position to transfer the load. During slip, the drill bit is disengaged until its speed is lower than the drill string speed. Torsional vibration dampener dampens sudden impulse force of the overrunning clutch re-engaging.
La présente invention concerne un ensemble devant être inclus entre un trépan et un train de tiges, l'ensemble possédant un mécanisme d'embrayage à roue libre qui dégage le trépan du train de tiges pendant la partie « glissement » d'un cycle de glissement saccadé, afin de permettre que le trépan tourne librement plus vite que le train de tiges. L'ensemble comprend en outre un amortisseur de vibrations rotatif raccordé fonctionnel entre l'embrayage à roue libre et le trépan. L'amortisseur de vibrations peut comprendre une chambre de fluide possédant un fluide visqueux ou des restrictions à l'écoulement de fluide pour effectuer un amortissement. Pendant le fonctionnement normal, l'embrayage à roue libre en sens unique reste en prise pour transférer un couple entre le train de tiges et le trépan, pendant que l'amortisseur de torsion se trouve dans sa position déplacée maximale pour transférer la charge. Pendant le glissement, le trépan est libéré jusqu'à ce que sa vitesse soit inférieure à celle du train de tiges. L'amortisseur de vibrations de torsion amortit une force d'impulsion soudaine de la remise en prise de l'embrayage à roue libre.</description><subject>BLASTING</subject><subject>BRAKES</subject><subject>CLUTCHES</subject><subject>COUPLINGS FOR TRANSMITTING ROTATION</subject><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FIXED CONSTRUCTIONS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPD39NP18fRzVQjxDwrx9Pdz9FEI83QKcgSxFXw9QzzdoUxXZw9HP89gXwU3_yAFf08fhXBXHx8FlyBPH6B2dwXH4GBXXyefSB4G1rTEnOJUXijNzSDv5hri7KGbWpAfn1pckJicmpdaEu_saGRpbGBgYuJsTFgFAKHLLfw</recordid><startdate>20190402</startdate><enddate>20190402</enddate><creator>GAIKWAD, RAHUL RAMCHANDRA</creator><creator>PUROHIT, ANKIT</creator><creator>KADAM, RATISH SUHAS</creator><creator>GAJJI, BHARGAV</creator><scope>EVB</scope></search><sort><creationdate>20190402</creationdate><title>IN-LINE TORTIONAL VIBRATION MITIGATION MECHANISM FOR OIL WELL DRILLING ASSEMBLY</title><author>GAIKWAD, RAHUL RAMCHANDRA ; PUROHIT, ANKIT ; KADAM, RATISH SUHAS ; GAJJI, BHARGAV</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA2930044C3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2019</creationdate><topic>BLASTING</topic><topic>BRAKES</topic><topic>CLUTCHES</topic><topic>COUPLINGS FOR TRANSMITTING ROTATION</topic><topic>EARTH DRILLING</topic><topic>EARTH DRILLING, e.g. DEEP DRILLING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FIXED CONSTRUCTIONS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>MINING</topic><topic>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>GAIKWAD, RAHUL RAMCHANDRA</creatorcontrib><creatorcontrib>PUROHIT, ANKIT</creatorcontrib><creatorcontrib>KADAM, RATISH SUHAS</creatorcontrib><creatorcontrib>GAJJI, BHARGAV</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GAIKWAD, RAHUL RAMCHANDRA</au><au>PUROHIT, ANKIT</au><au>KADAM, RATISH SUHAS</au><au>GAJJI, BHARGAV</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>IN-LINE TORTIONAL VIBRATION MITIGATION MECHANISM FOR OIL WELL DRILLING ASSEMBLY</title><date>2019-04-02</date><risdate>2019</risdate><abstract>An assembly for inclusion between a drill bit and a drill string, the assembly having an overrunning clutch mechanism that disengages the drill bit from the drill string during the "slip" portion of a stick-slip cycle to allow the drill bit to freely rotate faster than the drill string. The assembly further includes a rotational vibration dampener operatively connected between the overrunning clutch and the drill bit. The vibration dampener may include a fluid chamber with viscous fluid or restrictions to fluid flow to effect dampening. During normal operation, the one-way overrunning clutch remains engaged to transfer torque between the drill string and bit, while the torsional damper is in its maximum displaced position to transfer the load. During slip, the drill bit is disengaged until its speed is lower than the drill string speed. Torsional vibration dampener dampens sudden impulse force of the overrunning clutch re-engaging.
La présente invention concerne un ensemble devant être inclus entre un trépan et un train de tiges, l'ensemble possédant un mécanisme d'embrayage à roue libre qui dégage le trépan du train de tiges pendant la partie « glissement » d'un cycle de glissement saccadé, afin de permettre que le trépan tourne librement plus vite que le train de tiges. L'ensemble comprend en outre un amortisseur de vibrations rotatif raccordé fonctionnel entre l'embrayage à roue libre et le trépan. L'amortisseur de vibrations peut comprendre une chambre de fluide possédant un fluide visqueux ou des restrictions à l'écoulement de fluide pour effectuer un amortissement. Pendant le fonctionnement normal, l'embrayage à roue libre en sens unique reste en prise pour transférer un couple entre le train de tiges et le trépan, pendant que l'amortisseur de torsion se trouve dans sa position déplacée maximale pour transférer la charge. Pendant le glissement, le trépan est libéré jusqu'à ce que sa vitesse soit inférieure à celle du train de tiges. L'amortisseur de vibrations de torsion amortit une force d'impulsion soudaine de la remise en prise de l'embrayage à roue libre.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS THERMAL INSULATION IN GENERAL WEAPONS |
| title | IN-LINE TORTIONAL VIBRATION MITIGATION MECHANISM FOR OIL WELL DRILLING ASSEMBLY |
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