弱面地层井壁稳定性分析方法在塔里木油田中的应用  

Application of Wellbore Stability Analysis of Weak-surface Formation in Tarim Oilfield

作　　者：张旭东[1] 金衍[1] 陈勉[1] 

机构地区：[1]石油大学(北京),北京昌平102200

出　　处：《江汉石油学院学报》2002年第3期48-49,共2页Journal of Jianghan Petroleum Institute

摘　　要：应用弱面地层井壁稳定性分析方法 ,对取自塔里木油田某井的全尺寸岩心的强度参数进行了测定 ,确定出弱面破坏区域 ,进而测定该区域的三轴强度参数 ,最后算出防止弱面地层坍塌的最低钻井液密度为 1 80g/cm3。现场采用 1 81g/cm3钻井液钻井 ,5The method of wellbore stability analysis of weak-surface formation is used to detect the strength parameters of full scale core from a well in Tarim Oilfield for determining broken area on the weak-surface, then detecting triaxial strength parameters in the area. The least drilling fluid density 1.80 g/cm3 is calculated for preventing the collapse of weak-surface formation, the drilling fluid of 1.81 g/cm3 is deployed in the field, there is no collapse of wellbore below 5760 m.

关 键 词：弱面地层 井壁稳定性 分析方法 塔里木油田 应用 坍塌层 强度试验 钻井液密度 塔里木油田 

分 类 号：TE28[石油与天然气工程—油气井工程]