1970. Nonlinear vibration analysis of directional drill string considering effect of drilling mud and weight on bit

被引：0

作者：

Taheran, Farshad ^{[1
]}

Monfared, Vahid ^{[2
]}

Daneshmand, Saeed ^{[3
]}

Abedi, Esmaeil ^{[3
]}

机构：

[1] Sharif Univ Technol, Sch Mech Engn, Tehran, Iran

[2] Islamic Azad Univ, Zanjan Branch, Dept Mech Engn, Zanjan, Iran

[3] Islamic Azad Univ, Majlesi Branch, Dept Mech Engn, Esfahan, Iran

来源：

JOURNAL OF VIBROENGINEERING | 2016年 / 18卷 / 02期

关键词：

coupled nonlinear vibration; stability; drill string; drilling mud; DRILLSTRINGS; DYNAMICS; SUBJECT;

D O I：

暂无

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

In this paper a nonlinear dynamic model for drill string in inclined well drilling is developed. Effects of drilling mud flow rate, weight on bit, angular velocity along with viscous damping on stability and vibration of the drill string are studied. Findings indicate the nonlinear effects are significant on the results. The effects of drilling mud flow rate and weight on bit on the natural frequencies and time responses are evaluated. Enhancement of drilling mud flow rate results in decreasing of natural frequencies and vibrational amplitude, while increasing the weight on bit, leads to decrease of the natural frequencies and increase the vibrational amplitude.

引用

页码：1280 / 1287

页数：8

共 15 条

[1]

Abbassian F., 1993, SPE DRILL COMPLETION, V8, P84

[2]

APOSTAL MC, 1990, P 65 SPE ANN TECHN C

[3] Dynamic behavior of a drill-string: Experimental investigation of lateral instabilities [J].