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METHOD TO MINIMIZE GRONINGEN EFFECT FOR MULTI-LATEROLOG INSTRUMENT

IP.com Disclosure Number: IPCOM000193580D
Publication Date: 2010-Mar-03
Document File: 26 page(s) / 1M

Publishing Venue

The IP.com Prior Art Database

Abstract

An apparatus for estimating a property of an earth formation penetrated by a borehole, the apparatus having: a logging tool, an injection electrode disposed at the logging tool and configured to inject electrical current into the earth formation; a first return electrode disposed at the logging tool a first distance from the injection electrode; a second return electrode disposed at the logging tool a second distance from the injection electrode wherein the injection electrode is disposed between the first return electrode and the second return electrode; an electrical isolator disposed between a conductive conveyance support and at least one of thefirst return electrode and the second return electrode; and a first measurement electrode configured to measure an electrical characteristic of the earth formation resulting from injected electrical current wherein a measurement of the electrical characteristic is used to estimate the property of the earth formation.

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