摘要随钻方位电磁波测井可提供邻近地层界面的准确位置信息而被广泛运用于实时地质导向
钻井, 但如何选取合适的反演模型和最优化算法则是决定随钻方位电磁波测井资料反演速度和 …

We developed an efficient parametric inversion method for the determination of the
distances to boundaries (DTBs), dip angle, and formation anisotropic resistivities from …

Azimuthal electromagnetic logging while drilling (LWD), which is capable of providing
accurate position information approaching bed boundary, has been widely applied in real …

Deep directional electromagnetic (EM) logging-while-drilling technology is the principal
enabler of proactive well placement. The reservoir-scale measurements are used to map …

Equinor has played an important role in the last decade in the testing and development of
ultradeep azimuthal resistivity (UDAR) measurements both for look-ahead and look-around …

The most recently developed deep directional electromagnetic technology is capable of
investigating reservoir resistivity profiles more than 150 ft away from the wellbore. The …

Deep-directional electromagnetic (EM) logging-while-drilling technology can map reservoir
boundaries and fluid contacts for strategic geosteering, reservoir navigation, and more …

Noise handling is a critical aspect of image processing, which can significantly affect the
accuracy of classification and recognition algorithms. In this paper, we propose a technique …

The recently introduced electromagnetic look-ahead (EMLA) tool applies deep-directional
resistivity logging-while-drilling technology for geostopping and other applications in vertical …

Over the last two decades, the continuing integration of distance-to-boundary logging while
drilling (LWD) workflows with the directional drilling processes, has dramatically improved …