DOWNHOLE DISTRIBUTED PRESSURE SENSOR ARRAYS, PRESSURE SENSORS, DOWNHOLE DISTRIBUTED PRESSURE SENSOR ARRAYS INCLUDING QUARTZ RESONATOR SENSORS, AND RELATED METHODS
First Claim
Patent Images
1. A downhole distributed quartz pressure sensor array, comprising:
- sensor housings, at least some of the sensor housings each comprising at least one quartz pressure sensor disposed in a sealed pressure housing for detecting a pressure of an environment external to the sealed pressure housing;
cable segments connecting the sensor housings; and
at least one electrical conductor extending through the cable segments and connecting a sensor housing of the sensor housings to an adjacent sensor housing of the sensor housings, wherein a portion of the at least one electrical conductor passes internally through at least one of the cable segments and internally within the sensor housing around the pressure housing of the sensor housing.
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Abstract
Downhole distributed pressure sensor arrays include sensor housings each comprising at least one pressure sensor in a pressure housing. Downhole pressure sensors include a housing, at least one pressure sensor in a pressure housing portion of the housing, and at least one isolation element positioned at an outer wall of the housing.
9 Citations
31 Claims
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1. A downhole distributed quartz pressure sensor array, comprising:
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sensor housings, at least some of the sensor housings each comprising at least one quartz pressure sensor disposed in a sealed pressure housing for detecting a pressure of an environment external to the sealed pressure housing; cable segments connecting the sensor housings; and at least one electrical conductor extending through the cable segments and connecting a sensor housing of the sensor housings to an adjacent sensor housing of the sensor housings, wherein a portion of the at least one electrical conductor passes internally through at least one of the cable segments and internally within the sensor housing around the pressure housing of the sensor housing. - View Dependent Claims (3, 4, 5, 6, 10, 30, 31)
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2. (canceled)
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7-9. -9. (canceled)
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11. A downhole distributed pressure sensor array, comprising:
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sensor housings, each sensor housing having a longitudinal axis and comprising; at least one pressure sensor comprising a quartz resonator; at least one chamber in the sensor housing holding a substantially incompressible fluid and in communication with the at least one pressure sensor, the at least one chamber in communication with an environment exterior to the sensor housing; and at least one isolation element coupled to the sensor housing in communication with the chamber; and electrical conductors extending through cable segments between adjacent sensor housings and extending internally within each sensor housing and around the at least one chamber of the respective sensor housing, the electrical conductors connecting each sensor housing of the sensor housings to an adjacent sensor housing. - View Dependent Claims (12, 21, 22)
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13-20. -20. (canceled)
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23. A downhole pressure sensor array, comprising:
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pressure sensors, each comprising; a housing having a longitudinal axis, the housing comprising; at least one quartz resonator for detecting a pressure of an environment external to the sensor; at least one chamber in a pressure housing portion of the housing holding the at least one quartz resonator and for holding a substantially incompressible fluid, the at least one chamber extending through at least one portion of an outer wall of the housing; and at least one isolation element coupled to the pressure housing portion of the housing in communication with the at least one chamber; and electrical conductors extending through the cable segments and connecting each housing of the housing to an adjacent housing, the electrical conductors comprising electrical connections extending between respective cable segments entirely within one housing of a respective pressure sensor. - View Dependent Claims (24, 25, 26, 27, 28, 29)
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Specification