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Keywords: quadrupole mode
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Proceedings Papers
Paper presented at the SPWLA 22nd Formation Evaluation Symposium of Japan, September 29–30, 2016
Paper Number: SPWLA-JFES-2016-P
... be critically important for a variety of applications including seismic processing, geomechanics and wellbore stability, completions design and production management. The non-uniquely directional nature of the quadrupole mode means that it is not yet possible to reliably extract the fast and slow shear...
Proceedings Papers
Nicholas Robinson, Atsushi Oshima, Masahide Tohda, Takeshi Fukushima, Naoki Sakiyama, Hiroaki Yamamoto
Paper presented at the SPWLA 21st Formation Evaluation Symposium of Japan, October 13–14, 2015
Paper Number: SPWLA-JFES-2015-O
... are available in real-time, more can be known about the well while drilling. Hardware Overview The logging-while-drilling (LWD) tool used is a multimode tool that utilizes two separate transmitters (Auchere et al., 2013). This is done to achieve better signal-to-noise ratio (SNR) for the quadrupole mode...
Proceedings Papers
Paper presented at the SPWLA 18th Formation Evaluation Symposium of Japan, September 27–28, 2012
Paper Number: SPWLA-JFES-2012-S
...The 18th Formation Evaluation Symposium of Japan, September 27 - 28, 2012 -1- ROBUST ESTIMATION OF SHEAR SLOWNESS FROM QUADRUPOLE MODE IN LWD ENVIRONMENT Zhenxin Zhang, Manabu Mochida, Miyako Kubota, Hiroaki Yamamoto, David Scheibner, Takeshi Endo 1 1. Schlumberger K.K. This paper was selected...
