摘要
由于玻璃钢套管与钢套管之间的声学性质差异,致使玻璃钢套管的固井质量测井响应不同于钢套管。基于声幅-变密度测井原理,分析了玻璃钢套管的固井质量测井响应。根据管外水泥的不同胶结情况,总结了玻璃钢套管固井的声幅-变密度测井曲线的显示特征,建立了1套评价玻璃钢套管固井质量的评价方法。应用该方法对×109-×139井玻璃钢套管固井质量进行了成功评价。
Because of acoustic character difference between glass fiber reinforced plastics and steel casing,cement bonding logging response of fiber glass casing is different from steel casing.Based on well logging theory of CBL-VDL,analyzed are well logging responses of cement bonding for fiber glass casing.According to different cement bonding outside casing,summarized are log curve features of CBL-VDL,and established is a method to evaluate cement bonding quality for fiber glass casing.This method successfully interprets cement bonding quality of fiber glass casing pipe for ×109-×139 well.
出处
《测井技术》
CAS
CSCD
北大核心
2010年第6期601-604,共4页
Well Logging Technology
关键词
固井评价
玻璃钢
套管波
声幅
变密度
cement bonding evaluation
glass fiber reinforced plastics
tube wave
acoustic amplitude
variable density
