Method of measuring and imaging RXO (near wellbore...

Details Method of measuring and imaging RXO (near wellbore... Method of measuring and imaging RXO (near wellbore...

2011-08-23

2011-08-23

Phan, Huy (Department: 2858)

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

Including borehole fluid investigation

Reexamination Certificate

active

08004282

ABSTRACT:
A transient electromagnetic wave is generated using an electromagnetic instrument in a borehole. An apparent resistivity is estimated using a received signal responsive to the generated wave and further used to estimate a resistivity property of a fluid in the borehole.

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Banning et al.; “Imaging of a subsurface conductivity distribution using a time-domain electromagnetic borehole conveyed logging tool,” SEG/San Antonio 2007 Annual Meeting; pp. 648-652.

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