Fiber optic refractometer
First Claim
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1. An apparatus for estimating a downhole fluid property comprising:
- a light source;
an optical fiber that receives light emitted from the light source;
a fluid cell that receives a downhole fluid;
a metalloid interface member disposed to provide an interface with the downhole fluid in the fluid cell; and
a light detecting device that detects a light reaction at the metalloid interface member, the downhole fluid property being estimable at least in part based on the light reaction.
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Abstract
A downhole refractometer apparatus and method include a light source, an optical fiber that receives light emitted from the light source and a fluid cell that receives a downhole fluid. A metalloid interface member is disposed to provide an interface with the downhole fluid in the fluid cell, and a light detecting device detects a light reaction at the metalloid interface member, the downhole fluid property being estimable at least in part based on the light reaction.
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Citations
21 Claims
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1. An apparatus for estimating a downhole fluid property comprising:
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a light source; an optical fiber that receives light emitted from the light source; a fluid cell that receives a downhole fluid; a metalloid interface member disposed to provide an interface with the downhole fluid in the fluid cell; and a light detecting device that detects a light reaction at the metalloid interface member, the downhole fluid property being estimable at least in part based on the light reaction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for estimating a downhole fluid property comprising:
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emitting a light from a light source; conveying the emitted light in an optical fiber toward a metalloid interface member disposed to provide an interface with a downhole fluid in a fluid cell; detecting a light reaction at the metalloid interface member using a light detecting device; and estimating the downhole fluid property at least in part using the detected light reaction. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification