System and method for sensing using diamond based microelectrodes
First Claim
1. A sensor for monitoring one or more characteristics associated with a fluid, comprising:
- a housing;
an insulating layer comprising non-conducting diamond positioned within said housing and having a surface exposed directly or indirectly to the fluid;
a plurality of microelectrodes each comprising electrically conducting diamond and having a surface exposed directly or indirectly to the fluid, wherein a thickness of each of the microelectrodes is greater than 1 mm; and
an electrical circuit in electrical communication with each of the microelectrodes adapted to convert electrical signals from the microelectrodes into at least one signal associated with a characteristic being monitored.
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Abstract
A method and system is disclosed for monitoring one or more characteristics associated with a fluid. An insulating layer comprising non-conducting diamond is positioned within a housing and has a surface exposed directly or indirectly to the fluid. A plurality of microelectrodes made of electrically conducting diamond each have a surface exposed directly or indirectly to the fluid. An electrical circuit in electrical communication with each of the microelectrodes is adapted to convert electrical signals from the microelectrodes into at least one signal associated with a characteristic being monitored. The sensing system is well suited to hydrocarbon wellbore related applications, but can also be used in other applications.
61 Citations
36 Claims
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1. A sensor for monitoring one or more characteristics associated with a fluid, comprising:
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a housing; an insulating layer comprising non-conducting diamond positioned within said housing and having a surface exposed directly or indirectly to the fluid; a plurality of microelectrodes each comprising electrically conducting diamond and having a surface exposed directly or indirectly to the fluid, wherein a thickness of each of the microelectrodes is greater than 1 mm; and an electrical circuit in electrical communication with each of the microelectrodes adapted to convert electrical signals from the microelectrodes into at least one signal associated with a characteristic being monitored. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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Specification