Differential pressure fluid density instrument

Details Differential pressure fluid density instrument Differential pressure fluid density instrument

E - Fixed Constructions

21

B

E21B 47/06 (2006.01) E21B 47/00 (2006.01) E21B 47/01 (2006.01) G01N 9/26 (2006.01)

Patent

CA 2165501

The present invention is a differential pressure fluid density production logging tool. The tool comprises an elongated housing adapted to traverse a wellbore. The housing has ports in hydraulic communication with the wellbore at spaced apart locations. The tool also comprises a differential pressure transducer having two inputs, a selective valve, and a reference tube filled with a liquid having a known density. The valve is selectively operable to shunt the inputs of the transducer, to connect the reference tube across the inputs of the transducer to calibrate the transducer, and to connect the ports across the inputs of the transducer to enable measurement of the fluids in the wellbore.

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