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Evaluation of Wellbore Stability Through Advanced Logging Technology
Author(s): 
Pages: 168-172
Year: Issue:  2
Journal: WELL LOGGING TECHNOLOGY

Keyword:  测井新技术井眼稳定性弹性模量地应力孔隙压力破裂压力评价;
Abstract: 利用大量的测井新技术及钻井、试油等资料,在一个地质构造复杂、钻井施工极端困难地区同时进行了4口井的测井资料处理与分析,查清工区应力分布特征,计算岩石的各类强度参数,进而得出岩石的破裂压力、出砂指数等重要的井眼稳定性评价参数.研究结果表明,测井资料可以确定合理的井身结构及相应的钻井液比重范围;确定试油压裂设计、压裂缝波及高度预测;提供安全、合理的生产压差.在塔里木盆地的塔中、轮古等多口井的奥陶系应用该成果进行了压裂设计和压裂效果分析,取得了很好的经济效益.
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