Measuring and testing – Fluid pressure gauge – Photoelectric
Reexamination Certificate
2006-03-28
2006-03-28
Lefkowitz, Edward (Department: 2855)
Measuring and testing
Fluid pressure gauge
Photoelectric
Reexamination Certificate
active
07017417
ABSTRACT:
A sensor for sensing the pressure of a first fluid is provided. In one embodiment, sensor for sensing the pressure of a first fluid includes a fiber optic based sensing element disposed in a housing. A buffer fluid is disposed in the housing and is in fluid communication with the sensing element. A pressure transmitter is coupled to the housing for maintaining a predefined relationship between pressures of the first fluid and buffer fluid. A connector assembly is coupled to the housing and is coupled by an optical fiber is the sensing element. The sensor having a connector assembly is suitable for use in harsh conditions, such as within oil and gas well applications.
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Allen Andre
Lefkowitz Edward
Patterson & Sheridan L.L.P.
Weatherford / Lamb, Inc.
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