Timeline from slumber to collection of RFID tags in a well environment

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9394756
APP PUB NO 20140182845A1
SERIAL NO

14145322

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Sensor assemblies are deployed in a borehole for a well, such as an oil well or other hydrocarbon recovery well. The sensor assemblies are coupled to a casing string (e.g., the exterior of the casing), and may detect RFID tags or other properties of material (e.g., fluids) in an annulus surrounding the casing string. Limited battery power for the sensor assemblies and for assemblies for communicating sensed data may be a concern, and the sensor assemblies and communication assemblies may therefore operate in different modes of varying power consumption. In certain modes, sensing operations are curtailed (or expanded) depending on particular requirements. In one case, sensor operation is expanded during active portions of a cementing operation, and curtailed prior to and thereafter. Different triggering events may cause the sensor assembly to operate in different modes at different sensing frequencies.

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Patent Owner(s)

  • HALLIBURTON ENERGY SERVICES, INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goodwin, Scott Research Triangle Park, US 37 366
Ravi, Krishna M Kingwood, US 102 3883
Roberson, Mark W Research Triangle Park, US 43 543
Roddy, Craig W Duncan, US 130 8703

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