测井技术2011，Vol.35Issue(1)：20-24,5.
声反射成像测井高分辨率叠加方法研究
On High-resolution Stacking Method for Acoustic Reflection Imaging Logging
摘要
Abstract
Based on analysing the theoretical modeling data of acoustic reflection characteristics of CMP(Common Middle Point) gathers, and focused on is the high-resolution stacking techniques for the acoustic reflected wave data processing. These analyses show that during NMO(Normal Moveout)operation, the dynamic stretching is only significant for the data with large offset and therefore it needs not to be consided in acoustic reflection logging. On the other hand, analyzed are affect of different velocities on NMO and the stacking effect, the results from which show that velocity is key factor to inphase axes non-phase during stacking. At last, used is the STC method for determining vertical velocity in full-wave acoustic logging, and established are the suitable NMO model and vertical stacking technology with variable weight to ensure a higher resolution of the stacking. Applications of this method to the numerical modeling data and the field data show satisfactory results.关键词
声反射成像测井/动校正/高分辨率叠加技术/速度分析法/垂直叠加Key words
acoustic reflection imaging logging, NMO(normal moveout), high resolution stacking technique, velocity analysis method, vertical stacking分类
天文与地球科学引用本文复制引用
封从军,陶果,王兵,王华,李君君..声反射成像测井高分辨率叠加方法研究[J].测井技术,2011,35(1):20-24,5.基金项目
国家自然科学基金项目(50674098)、国家863项目(2006AA06Z213)、国家973基础研究项目(2007CB209601)资助 （50674098）
