| Dynaical Mathematical Model of String |
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| 作者姓名： | QIU Li qiong |
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| 摘 要： | In the process of oil drilling, drilling string and rock bit are main drilling tools. The fact of their failure would cause serious accidents. To solve this problem, the vibration law of string should be found. The longitudinal vibration model, torsional model and lateral vibration model are founded simultaneity. Many methods are used to build up this model, including finite element technique, numerical technique and computer simulation. The dynamic model reveals the dynamic action of string, it is instructive to design new rock bit and study drilling mechanics.
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| 关 键 词： | string dynamic mathematical model |
| 修稿时间： | 2002/2/20 0:00:00 |
Dynaical Mathematical Model of String |
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| QIU Li,qiong.Dynaical Mathematical Model of String[J].Storage & Process,2002(5):148-151. |
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| Authors: | QIU Li qiong |
| |
| Abstract: | In the process of oil drilling, drilling string and rock bit are main drilling tools. The fact of their failure would cause serious accidents. To solve this problem, the vibration law of string should be found. The longitudinal vibration model, torsional model and lateral vibration model are founded simultaneity. Many methods are used to build up this model, including finite element technique, numerical technique and computer simulation. The dynamic model reveals the dynamic action of string, it is instructive to design new rock bit and study drilling mechanics. |
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| Keywords: | string dynamic mathematical model |
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