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由于钻井技术的进步和目前油气勘探开发的实际要求，深井、超深井及定向井所占比重不断增加。为了满足这种形势的要求，在普通直井和定向井套管强度设计软件的基础上，较全面地研究了深井、超深井套管载荷的特点，综合考虑传统套管设计方法、三轴应力设计方法及套管优化设计方法等，并应用数据库技术，完成了套管强度设计软件的开发研究，它具有普通井、深井、超深井和定向井套管优化设计的诸种功能，并且其输入输出界面支持任意的单位制，便于现场推广应用。
Due to the advancement of drilling technology and the actual requirements of oil and gas exploration and development, the proportion of deep wells, ultra-deep wells and directional wells has been continuously increasing. In order to meet the requirements of this kind of situation, based on the design software of ordinary straight well and directional well casing strength, the characteristics of casing load of deep well and ultra-deep well are comprehensively studied. Considering the traditional casing design method, triaxial stress design Method and optimization design method of casing, and applied database technology to complete the development and research of casing strength design software. It has various functions of optimal design of casing, deep well, ultra-deep well and directional well casing, and its input-output Interface to support any unit system, easy to promote the application site.