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Dive into the research topics where Andrew Hawthorn is active.

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Featured researches published by Andrew Hawthorn.


Geophysics | 2005

Seismic MWD: Drilling in time, on time, it's about time

Cengiz Esmersoy; Andrew Hawthorn; Chris Durrand; Phil Armstrong

Since the dawn of logging-while-drilling (LWD) in the 1980s, the industry has wanted a reliable while-drilling borehole seismic measurement. However, a number of technical roadblocks prohibited its realization until recently. These difficulties included the nature and required accuracy of the measurement, timing issues, sensors, automation, and the lack of an electrical connection between the downhole tools and the surface in a while-drilling configuration.


Archive | 2002

System and method for determining downhole clock drift

Anthony Collins; Andrew Hawthorn; Cengiz Esmersoy


Archive | 2006

Pump-off measurements for quality control and wellbore stability prediction

Peter T. Wu; Andrew Hawthorn; Tom R. Bratton; Bikash K. Sinha


Archive | 2007

Fluid characterization from acoustic logging data

Andrew Hawthorn; Lucian Johnston; David Linton Johnson; Takeshi Endo; Henri-Pierre Valero


Archive | 2010

Apparatus, system, and method for communicating while logging with wired drill pipe

Andrew Hawthorn; Goke Akinniranye; Benjamin Peter Jeffryes


Archive | 2009

WELLBORE STEERING BASED ON ROCK STRESS DIRECTION

Lucian Johnston; Selim Djandji; Andrew Hawthorn


Archive | 2008

System and method for improving surface electromagnetic surveys

Jacques R. Tabanou; David Alumbaugh; James Brady; Andrew Hawthorn; John P. Horkowitz; Jean Seydoux; Jian Yang


SPWLA 42nd Annual Logging Symposium | 2001

Seismic Measurement While Drilling: Conventional Borehole Seismics On Lwd

Cengiz Esmersoy; William Underhill; Andrew Hawthorn


Archive | 2011

METHOD FOR SALT AND CROSS-BED PROXIMITY DETECTION USING DEEP DIRECTIONAL ELECTROMAGNETIC MEASUREMENTS WHILE DRILLING

Lucian Johnston; Andrew Hawthorn


Archive | 2013

Methods and Apparatus for Modeling Formations

Jefferrson Y. Alford; Andrew Hawthorn; Bikash K. Sinha

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Mary L. Krasovec

Massachusetts Institute of Technology

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