Method for determining an effective formation conductivity...

Details Method for determining an effective formation conductivity... Method for determining an effective formation conductivity...

2006-11-30

2008-11-25

Raymond, Edward (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Earth science

C324S339000

Reexamination Certificate

active

07457707

ABSTRACT:
A method for correcting induction conductivity well log measurements for conductivity of a wellbore and a formation proximate the wellbore includes estimating an effective formation conductivity for the formation proximate the wellbore from measurements made by an induction receiver proximate an induction transmitter. The effective formation conductivity is used to correct apparent conductivity measurements made by at least one induction receiver on the instrument.

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patent: 5900733 (1999-05-01), Wu et al.
patent: 6216089 (2001-04-01), Minerbo
patent: 7027923 (2006-04-01), Barber et al.
patent: 7042225 (2006-05-01), Barber
patent: 7076370 (2006-07-01), Freedman et al.
patent: 2007/0205770 (2007-09-01), Fanini et al.

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