基于测井资料的压裂井地层应力分析技术  

Reservoir Stress Analysis Technology for a Well to be Fractured Based on Its Logging Data

作　　者：李勇明[1] 杜成良[1,2] 毛虎钟烨。郭建春。赵金洲＇ 毛虎[1] 钟烨[1] 郭建春[1] 赵金洲[1] 

机构地区：[1]油气藏地质及开发工程国家重点实验室·西南石油大学四川成都610500 [2]渤海钻探油气井测试公司河北廊坊065007

出　　处：《油气井测试》2010年第3期5-7,共3页Well Testing

基　　金：四川省应用基础研究项目(2007JY042);国家自然科学基金项目(50774064)资助

摘　　要：地层应力数据是进行压裂方案模拟分析的重要输入参数,破裂压力又是选择合理的施工设备和技术措施的重要依据。综合应用测井资料、室内岩石力学实验测试和压裂施工资料,完成了纵向分层应力剖面与破裂压力预测技术研究。针对目前压裂井地层应力分析存在的问题,开发了压裂井地层应力分析软件。该软件方便、实用、可靠,应用于川西致密气藏的地层应力和破裂压力预测,结果与实际符合度高。Reservoir stress is an important datum inputted for fracturing simulation and analysis,and breakdown pressure is an important basis for adopting appropriate equipment and technique.Prediction research of vertical stratified stress profile and breakdown pressure has been fulfilled,and the software for reservoir stress analysis in fractured wells has been developed by comprehensively applying logging data,laboratory lithomechanics experiment and fracturing operation data.This software is proved to be practicable,reliable and convenient by its application to prediction of reservoir stress and breakdown pressure in tight gas reservoirs in western Sichuan Province.

关 键 词：压裂地层应力 破裂压力 测井资料 应用技术 

分 类 号：P618.130.2[天文地球—矿床学]