Measuring and testing – Borehole or drilling – During drilling
Reexamination Certificate
2006-10-27
2008-09-09
Williams, Hezron E. (Department: 2856)
Measuring and testing
Borehole or drilling
During drilling
Reexamination Certificate
active
07421892
ABSTRACT:
A method and apparatus for estimating a property of a fluid downhole are disclosed. The apparatus includes a coated flexural resonator disposed in the downhole fluid. The resonator is coated to reduce effects of adhering surfactants suspended in the downhole fluid. The method uses the coated resonator to estimate a property of the downhole fluid.
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DiFoggio Rocco
Reittinger Peter W.
Baker Hughes Incorporated
Frank Rodney T
Roebuck G. Michael
Williams Hezron E.
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