Fluid property sensors

Details Fluid property sensors Fluid property sensors

2002-03-22

2008-10-14

Williams, Hezron E. (Department: 2856)

Measuring and testing

Borehole or drilling

During drilling

C073S29000R, C073S29000R, C361S160000

Reexamination Certificate

active

07434457

ABSTRACT:
Micro-Electro Mechanical Systems (MEMS) based fluid sensors adapted to measure physical properties of oilfield reservoir fluids under downhole conditions. Certain embodiments of the invention may be characterized as a MEMS based reservoir fluid sensor adapted for downhole conditions having a planar member machined from a substrate material, an electrical conductor formed at least partly on the planar member; and a gauge formed on the planar member and adapted to measure a physical effect on the planar member, the physical effect being indicative of a property of a fluid in contact with the planar member.

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Leissa, Arthur W. Vibrati

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