井底钻具组合受力分析方法研究与应用  

Research and Application of Stress Analysis Method of BHA

作　　者：王彦祺 

机构地区：[1]中石化华东石油局工程技术设计研究院,江苏南京210031

出　　处：《石油天然气学报》2011年第12期102-105,174,共4页Journal of Oil and Gas Technology

摘　　要：石油钻井行业标准SY/T5172《直井井眼轨迹控制技术规范》推荐采用微分方程法对井底钻具组合进行受力分析。详细介绍了微分方程的建立过程、方程的解与井底钻具组合间的关系、采用该方法的实际计算步骤,并通过实际应用验证了该方法的可行性。Differential equation method was recommended for BHA stress analysis in the 'Specifications for trajectory control in straight holes' of Petroleum Industry Standard SY/T5172.This paper introduced the establishment of the differential equation,the relationship between the solution of equation and BHA and the practical calculation procedures in details.The feasibility is verified in actual application.

关 键 词：井斜控制 钻具组合 受力分析 微分方程 钻头侧向力 

分 类 号：TE921[石油与天然气工程—石油机械设备]