波谱学杂志2011，Vol.28Issue(1)：84-92,9.
随钻核磁共振测井仪探测特性研究
Characteristics of NMR Logging While Drilling Tools
摘要
Abstract
NMR logging while drilling (LWD) has the advantage of detecting formation in-situ, and is a big progress in NMR logging. Compared with wireline NMR, NMR LWD is often performed in more hostile environment. In this paper, the magnet structures of typical NMR LWD tools, such as MRIL-WD (Halliburton), proVISION (Schlumberger) and MagTrak (Baker Hughes), were simulated and analyzed. Finite element method was employed to calculate the magnetic field distribution. The results were shown to be in good agreement with the typical tools' nominal features. Based on the results of simulation, we proposed schemes to suppress or eliminate the effects of tool motion during drilling. This work provided insights for NMR LWD tools design,implement and optimization.关键词
随钻核磁共振测井/探测特性/有限元/磁场分布Key words
NMR logging while drilling；finite element method；magnetic field distribution分类
数理科学引用本文复制引用
李新,肖立志,胡海涛..随钻核磁共振测井仪探测特性研究[J].波谱学杂志,2011,28(1):84-92,9.基金项目
国家自然科学基金资助项目(41074102),科技部国际合作资助项目(2009DFA61030). （41074102）
