Downhole communication devices and methods of use
First Claim
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1. A downhole communication device comprising:
- a first energy harvesting device;
a downhole transceiver in communication with the first energy harvesting device;
an accumulator in communication with the energy harvesting device; and
a microcontroller, wherein said microcontroller manages communication between the first energy harvesting device, transceiver, and accumulator;
estimates energy in the accumulator; and
regulates power flow from the accumulator.
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Abstract
A downhole communication device comprises a first energy harvesting device; a downhole transceiver in communication with the first energy harvesting device; an accumulator in communication with the energy harvesting device; and a microcontroller. The microcontroller manages communication between the first energy harvesting device, transceiver, and accumulator.
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Citations
19 Claims
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1. A downhole communication device comprising:
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a first energy harvesting device; a downhole transceiver in communication with the first energy harvesting device; an accumulator in communication with the energy harvesting device; and a microcontroller, wherein said microcontroller manages communication between the first energy harvesting device, transceiver, and accumulator;
estimates energy in the accumulator; and
regulates power flow from the accumulator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A drilling control system comprising:
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an uphole communication device; a downhole communication device comprising; a first energy harvesting device; a first downhole transceiver in communication with the first energy harvesting device; a first accumulator in communication with the first energy harvesting device; a first microcontroller, wherein the first microcontroller manages communication between the first energy harvesting device, the first downhole transceiver, and the first accumulator; and a sensor in communication with the microcontroller and the first downhole transceiver; and at least one repeater comprising; a second energy harvesting device; a second downhole transceiver in communication with the second energy harvesting device; a second accumulator in communication with the second energy harvesting device; and a second microcontroller, wherein the second microcontroller manages communication between the second energy harvesting device, the second downhole transceiver, and the second accumulator, wherein at least one of the first microcontroller and the second microcontroller estimates energy stored in and regulates power flow from at least one of the first accumulator and the second accumulator. - View Dependent Claims (16, 17, 18)
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19. A method of downhole drilling comprising:
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providing a downhole component comprising; a first energy harvesting device; a first downhole transceiver in communication with the first energy harvesting device; a first accumulator in communication with the first energy harvesting device; a first microcontroller, wherein the first microcontroller manages communication between the first energy harvesting device, the first downhole transceiver, and the first accumulator; and a sensor in communication with the microcontroller and the first downhole transceiver; providing at least one repeater comprising; a second energy harvesting device; a second downhole transceiver in communication with the second energy harvesting device; a second accumulator in communication with the second energy harvesting device; and a second microcontroller, wherein the second microcontroller manages communication between the second energy harvesting device, the second downhole transceiver, and the second accumulator; providing an uphole component comprising; a power source; and a receiver electrically coupled to the power source; obtaining drilling data from the sensor; transmitting the drilling data from the downhole component to the first of the at least one repeater; relaying the drilling data to any subsequent repeaters; transmitting the drilling data from the last of the least one repeater to the uphole component; and using at least one of the first microcontroller and the second microcontroller to estimate energy in and to control power flow from at least one of the first accumulator and the second accumulator.
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Specification