Dielectric measuring apparatus for determining oil and water...

Details Dielectric measuring apparatus for determining oil and water... Dielectric measuring apparatus for determining oil and water...

G - Physics

01

V

G01V 3/24 (2006.01) E21B 47/10 (2006.01) E21B 49/08 (2006.01) G01N 22/00 (2006.01) G01V 3/26 (2006.01)

Patent

CA 2044944

ABSTRACT OF THE DISCLOSURE A method and apparatus for measuring a mixture of oil and water in a well borehole is set forth. The measurement is a measurement of mixture dielectric constant obtained by exposing a pair of windows to the mixture of well borehole liquids. Each window is formed in coaxial cable portions having cuts in the respective surrounding ground sheaths thereof wherein the sheaths are positioned so that the windows are adjacent and parallel. The two windows form a gap which may be approximately three times wider than the windows formed in the sheath. A signal generator drives the system at a specified voltage and frequency, and changes in signal coupled between the cables are measured where the changes derive from changes in the dielectric constant of the mixture of oil and water coupled in the circuit. HLS 89.029

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