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1. (WO2017041078) DOWNHOLE FILTRATE CONTAMINATION MONITORING WITH CORRECTED RESISTIVITY OR CONDUCTIVITY

Pub. No.:    WO/2017/041078    International Application No.:    PCT/US2016/050333
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Tue Sep 06 01:59:59 CEST 2016
IPC: G01V 1/48
G01V 1/50
G01V 3/38
E21B 47/07
E21B 49/08
Applicants: SCHLUMBERGER TECHNOLOGY CORPORATION
SCHLUMBERGER CANADA LIMITED
SERVICES PETROLIERS SCHLUMBERGER
SCHLUMBERGER TECHNOLOGY B.V.
Inventors: GISOLF, Adriaan
JIANG, Lei
GOODWIN, Anthony Robert Holmes
ZUO, Youxiang
Title: DOWNHOLE FILTRATE CONTAMINATION MONITORING WITH CORRECTED RESISTIVITY OR CONDUCTIVITY
Abstract:
A method includes operating a downhole acquisition tool in a wellbore in a geological formation. The wellbore or the geological formation, or both, contains a fluid that includes a native reservoir fluid of the geological formation and a contaminant. The method also includes receiving a portion of the fluid into the downhole acquisition tool, obtaining a measured resistivity, a measured conductivity, or both of the portion of the fluid using the downhole acquisition tool, and using a processor of the downhole acquisition tool to obtain a temperature-corrected resistivity, a temperature-corrected conductivity, or both based on a downhole temperature of the portion of the fluid and the measured resistivity, the measured conductivity, or both.