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1-8 of 8
Keywords: shear slowness
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Proceedings Papers
Paper presented at the SPWLA 29th Formation Evaluation Symposium of Japan, September 12–13, 2024
Paper Number: SPWLA-JFES-2024-L
... and relatively shorter recording time length to the slower and more dispersive waveforms. As the results in the parameter updates, the coverages of shear waveform recording were improved for all receiver stations and enable to extract the slower shear slowness at shallower interval of the new well. Thus...
Proceedings Papers
Paper presented at the SPWLA 22nd Formation Evaluation Symposium of Japan, September 29–30, 2016
Paper Number: SPWLA-JFES-2016-P
... inversion processing. Numerical modeling in anisotropic formations coupled with data examples are presented, including dispersion plots, that demonstrate these effects and explain the techniques used. Reservoir Characterization orientation Upstream Oil & Gas shear slowness asymptote...
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
... measurements are inputs to wellbore stability control, surface seismic correlation, shallow gas identification, and various other applications. If the formation being logged is very slow, leaky-P and quadrupole shear are needed to determine the formation compressional and shear slowness. Now that both...
Proceedings Papers
Paper presented at the SPWLA 21st Formation Evaluation Symposium of Japan, October 13–14, 2015
Paper Number: SPWLA-JFES-2015-C
... appropriate wellbore stability management. Deriving shear slowness in quadrupole acoustic logging requires an inversion method that takes into account the dispersion of the quadrupole mode and includes the effects of tool presence. The inversion can be run in both real-time and during memory processing...
Proceedings Papers
Paper presented at the SPWLA 20th Formation Evaluation Symposium of Japan, October 1–2, 2014
Paper Number: SPWLA-JFES-2014-H
... Abstract Most production and observation wells are cased. Hydraulic fracturing of unconventional coalbed methane and shale gas reservoirs and acidization of carbonate reservoirs are essential production steps to enhance hydrocarbon productivity. Cased-hole radial profiling of shear slownesses...
Proceedings Papers
Jean-Christophe Auchere, Yu Hatori, Atsushi Oshima, Hiroaki Yamamoto, Hiroshi Hori, Takeo Fujihara, Hiroshi Nakajima, Henri-Pierre Valero
Paper presented at the SPWLA 19th Formation Evaluation Symposium of Japan, September 26–27, 2013
Paper Number: SPWLA-JFES-2013-K
... Abstract A multipole sonic-while-drilling service combines high-quality monopole and quadrupole measurements to deliver robust compressional and shear slowness - along with enhanced Stoneley data - in a wide range of applications, regardless of mud slowness. Compressional and shear data from...
Proceedings Papers
Paper presented at the SPWLA 18th Formation Evaluation Symposium of Japan, September 27–28, 2012
Paper Number: SPWLA-JFES-2012-Q
... log analysis field data openhole processing fast formation estimation Upstream Oil & Gas formation shear slowness compressional slowness bonding well logging shear slowness dispersion curve slowness good agreement geophysics cased hole formation compressional slowness 18th...
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...