Fully coupled vibrations of actively controlled drillstrings
A fully coupled model for axial, lateral, and torsional vibrations of actively controlled drillstrings is presented. The proposed model includes the mutual dependence of these vibrations, which arises due to bit/formation and drillstring/borehole wall interactions as well as other geometric and dyna...
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| Veröffentlicht in: | Journal of sound and vibration 2003-11, Vol.267 (5), p.1029-1045 |
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| container_end_page | 1045 |
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| container_issue | 5 |
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| container_title | Journal of sound and vibration |
| container_volume | 267 |
| creator | Christoforou, A.P. Yigit, A.S. |
| description | A fully coupled model for axial, lateral, and torsional vibrations of actively controlled drillstrings is presented. The proposed model includes the mutual dependence of these vibrations, which arises due to bit/formation and drillstring/borehole wall interactions as well as other geometric and dynamic non-linearities. The active control strategy is based on optimal state feedback control designed to control the drillstring rotational motion. It is demonstrated by simulation results that bit motion causes torsional vibrations, which in turn excite axial and lateral vibrations resulting in bit bounce and impacts with the borehole wall. It is also shown that the results are in close qualitative agreement with field observations regarding stick–slip and axial vibrations and that the proposed control is effective in suppressing them. However, care must be taken in selecting a set of operating parameters to avoid transient instabilities in the axial and lateral motions. |
| doi_str_mv | 10.1016/S0022-460X(03)00359-6 |
| format | Article |
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The proposed model includes the mutual dependence of these vibrations, which arises due to bit/formation and drillstring/borehole wall interactions as well as other geometric and dynamic non-linearities. The active control strategy is based on optimal state feedback control designed to control the drillstring rotational motion. It is demonstrated by simulation results that bit motion causes torsional vibrations, which in turn excite axial and lateral vibrations resulting in bit bounce and impacts with the borehole wall. It is also shown that the results are in close qualitative agreement with field observations regarding stick–slip and axial vibrations and that the proposed control is effective in suppressing them. However, care must be taken in selecting a set of operating parameters to avoid transient instabilities in the axial and lateral motions.</description><identifier>ISSN: 0022-460X</identifier><identifier>EISSN: 1095-8568</identifier><identifier>DOI: 10.1016/S0022-460X(03)00359-6</identifier><identifier>CODEN: JSVIAG</identifier><language>eng</language><publisher>London: Elsevier Ltd</publisher><subject>Applied sciences ; Crude oil, natural gas and petroleum products ; Drilling methods and equipments. Rocks mechanics. Directional and horizontal drilling ; Drilling. Casing. Preparing wells for production ; Energy ; Exact sciences and technology ; Fuels ; Fundamental areas of phenomenology (including applications) ; Physics ; Prospecting and production of crude oil, natural gas, oil shales and tar sands ; Solid mechanics ; Structural and continuum mechanics ; Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...) ; Vibrations and mechanical waves</subject><ispartof>Journal of sound and vibration, 2003-11, Vol.267 (5), p.1029-1045</ispartof><rights>2003 Elsevier Science Ltd</rights><rights>2003 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c368t-a2fe1132d5e23f9d0c30d5473ac5e5a4589e6d786877037a034b5a0e4aceea2a3</citedby><cites>FETCH-LOGICAL-c368t-a2fe1132d5e23f9d0c30d5473ac5e5a4589e6d786877037a034b5a0e4aceea2a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0022460X03003596$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15198190$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Christoforou, A.P.</creatorcontrib><creatorcontrib>Yigit, A.S.</creatorcontrib><title>Fully coupled vibrations of actively controlled drillstrings</title><title>Journal of sound and vibration</title><description>A fully coupled model for axial, lateral, and torsional vibrations of actively controlled drillstrings is presented. The proposed model includes the mutual dependence of these vibrations, which arises due to bit/formation and drillstring/borehole wall interactions as well as other geometric and dynamic non-linearities. The active control strategy is based on optimal state feedback control designed to control the drillstring rotational motion. It is demonstrated by simulation results that bit motion causes torsional vibrations, which in turn excite axial and lateral vibrations resulting in bit bounce and impacts with the borehole wall. It is also shown that the results are in close qualitative agreement with field observations regarding stick–slip and axial vibrations and that the proposed control is effective in suppressing them. However, care must be taken in selecting a set of operating parameters to avoid transient instabilities in the axial and lateral motions.</description><subject>Applied sciences</subject><subject>Crude oil, natural gas and petroleum products</subject><subject>Drilling methods and equipments. Rocks mechanics. Directional and horizontal drilling</subject><subject>Drilling. Casing. Preparing wells for production</subject><subject>Energy</subject><subject>Exact sciences and technology</subject><subject>Fuels</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Physics</subject><subject>Prospecting and production of crude oil, natural gas, oil shales and tar sands</subject><subject>Solid mechanics</subject><subject>Structural and continuum mechanics</subject><subject>Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)</subject><subject>Vibrations and mechanical waves</subject><issn>0022-460X</issn><issn>1095-8568</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNqFkMFKAzEQhoMoWKuPIOxF0cPqZLPJZkEQKVaFggcVvIU0mZVIuqnJbqFv77YVPXqaw3z__MxHyCmFKwpUXL8AFEVeCni_AHYJwHidiz0yolDzXHIh98noFzkkRyl9AkBdsnJEbqa99-vMhH7p0WYrN4-6c6FNWWgybTq3wu267WLwG8JG533qoms_0jE5aLRPePIzx-Rtev86ecxnzw9Pk7tZbpiQXa6LBillheVYsKa2YBhYXlZMG45cl1zWKGwlhawqYJUGVs65Biy1QdSFZmNyvru7jOGrx9SphUsGvdcthj6popIVK4UcQL4DTQwpRWzUMrqFjmtFQW1cqa0rtRGhgKmtKyWG3NlPgU5G-ybq1rj0F-a0lrSGgbvdcTh8u3IYVTIOW4PWRTSdssH90_QNAdN-nw</recordid><startdate>20031106</startdate><enddate>20031106</enddate><creator>Christoforou, A.P.</creator><creator>Yigit, A.S.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20031106</creationdate><title>Fully coupled vibrations of actively controlled drillstrings</title><author>Christoforou, A.P. ; Yigit, A.S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c368t-a2fe1132d5e23f9d0c30d5473ac5e5a4589e6d786877037a034b5a0e4aceea2a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Applied sciences</topic><topic>Crude oil, natural gas and petroleum products</topic><topic>Drilling methods and equipments. Rocks mechanics. Directional and horizontal drilling</topic><topic>Drilling. Casing. Preparing wells for production</topic><topic>Energy</topic><topic>Exact sciences and technology</topic><topic>Fuels</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Physics</topic><topic>Prospecting and production of crude oil, natural gas, oil shales and tar sands</topic><topic>Solid mechanics</topic><topic>Structural and continuum mechanics</topic><topic>Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)</topic><topic>Vibrations and mechanical waves</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Christoforou, A.P.</creatorcontrib><creatorcontrib>Yigit, A.S.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of sound and vibration</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Christoforou, A.P.</au><au>Yigit, A.S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fully coupled vibrations of actively controlled drillstrings</atitle><jtitle>Journal of sound and vibration</jtitle><date>2003-11-06</date><risdate>2003</risdate><volume>267</volume><issue>5</issue><spage>1029</spage><epage>1045</epage><pages>1029-1045</pages><issn>0022-460X</issn><eissn>1095-8568</eissn><coden>JSVIAG</coden><abstract>A fully coupled model for axial, lateral, and torsional vibrations of actively controlled drillstrings is presented. The proposed model includes the mutual dependence of these vibrations, which arises due to bit/formation and drillstring/borehole wall interactions as well as other geometric and dynamic non-linearities. The active control strategy is based on optimal state feedback control designed to control the drillstring rotational motion. It is demonstrated by simulation results that bit motion causes torsional vibrations, which in turn excite axial and lateral vibrations resulting in bit bounce and impacts with the borehole wall. It is also shown that the results are in close qualitative agreement with field observations regarding stick–slip and axial vibrations and that the proposed control is effective in suppressing them. However, care must be taken in selecting a set of operating parameters to avoid transient instabilities in the axial and lateral motions.</abstract><cop>London</cop><pub>Elsevier Ltd</pub><doi>10.1016/S0022-460X(03)00359-6</doi><tpages>17</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Crude oil, natural gas and petroleum products Drilling methods and equipments. Rocks mechanics. Directional and horizontal drilling Drilling. Casing. Preparing wells for production Energy Exact sciences and technology Fuels Fundamental areas of phenomenology (including applications) Physics Prospecting and production of crude oil, natural gas, oil shales and tar sands Solid mechanics Structural and continuum mechanics Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...) Vibrations and mechanical waves |
| title | Fully coupled vibrations of actively controlled drillstrings |
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