DOWNHOLE COMPONENT CUMULATIVE DAMAGE SENSORS
摘要:
Systems and sensor elements for indirect monitoring of cumulative damage to downhole components having a sensor body defining an internal cavity, at least one electrical wear element located within the sensor body, wherein a portion of the at least one electrical wear element electrically extends from the internal cavity, through the sensor body, and to an exterior of the sensor body, and an abrasive substance located within the internal cavity, the abrasive substance moveable within the internal cavity to contact and erode material of the at least one electrical wear element, wherein erosion of the at least one electrical wear element causes a resistance of the at least one electrical wear element to increase.
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