HR: 17:35h
AN: NS34A-05    [Abstracts]
TI: Advances in Directional Multicomponent Induction Borehole Measurements
AU: * Barber, T
EM: barber@slb.com
AF: Schlumberger, 110 Schlumberger Drive MD5, Houston, TX 77478, United States
AB: New multicomponent EM wireline and logging-while-drilling (LWD) instruments are changing the way dip is determined and the accuracy of geosteering wells. A new wireline triaxial induction logging tool allows accurate dip and azimuth to be determined along with standard induction logs and the vertical and horizontal resistivities. The new directional LWD resistivity tool allows accurate geosteering within a reasonable formation thickness and indicated whether to steer up or down in real time. Both these instruments are dependent on 3D numerical EM modeling codes for tool design and data interpretation.
DE: 0624 Guided waves
DE: 0925 Magnetic and electrical methods (5109)
SC: Near-Surface Geophysics [NS]
MN: 2007 Joint Assembly