G - Physics – 01 – V
Patent
G - Physics
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V
G01V 3/18 (2006.01) E21B 49/08 (2006.01) G01N 27/26 (2006.01) G01N 27/401 (2006.01) G01N 27/403 (2006.01) G01N 33/28 (2006.01)
Patent
CA 2344565
A potentiometric sensor for wellbore applications having a permanent aqueous contact between measuring and reference electrode, whereby contact is ensured by discharging the internal solution from the reference electrode directly onto a measuring (ion-sensitive) membrane and protecting the reference junction of the reference electrode with water wet porous material, such as sintered glass. It is advantageously applied to oil-water mixtures under high pressure and/or temperature.
Diakonov Igor Igorevitch
Khoteev Alexander D.
Osadchii Evgenii Grigorevitch
Solodov Igor Nikolaevitch
Zotov Alexander Vladimirovitch
Schlumberger Canada Limited
Smart & Biggar
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