William Underhill
Schlumberger
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Publication
Featured researches published by William Underhill.
Seg Technical Program Expanded Abstracts | 2008
Masahiro Kamata; Les Nutt; William Underhill
The Geophone Accelerometer (GAC) sensor was first developed in 1990 for borehole seismic applications as an omni-tiltable device that can be used in deviated wells without the need for a gimbal mechanism (Obuchi and Fujinawa., 1991). The improved performance of GAC sensors in terms of calibrated response and vector fidelity has opened up many advanced applications. In this paper we trace the development of the GAC and highlight its performance in comparison to traditional geophones.
Archive | 2000
William Underhill; Cengiz Esmersoy; Brian Clark; Jean-Michel Hache
Archive | 2007
Theodore Lafferty; William Underhill; Les Nutt; Alejandro Martinez
Archive | 2009
William Underhill; R. K. Michael Thambynayagam; Jeff Spath; Raj Banerjee; Amina Boughrara
Archive | 2004
Kazumasa Kanayama; Colin Wilson; William Underhill
SPE Annual Technical Conference and Exhibition | 2010
Shawn Maxwell; William Underhill; Les Bennett; Craig Woerpel; Alejandro Martinez
Archive | 2007
William Underhill; Scott Leaney; David Gerez; Alfredo Fayard
SPWLA 42nd Annual Logging Symposium | 2001
Cengiz Esmersoy; William Underhill; Andrew Hawthorn
Archive | 2016
Daniel Gordon Raymer; William Underhill
Archive | 2008
William Underhill; Masahiro Kamata; Jiro Takeda; Colin Wilson
