Baker Hughes Oilfield Operations LLC

Xact Downhole Telemetry, Inc.

Celine J Martineau

John-Peter Van Zelm

A robust network telemetry repeater system exploits the repeater structure of data propagation and transmission and reception bi-directionality to increase network robustness. For example, multiple perceived receive attempts are created with no additional overhead. The system can be configured whereby nodes 'hear' the transmissions of both adjacent and non-adjacent nodes forming implicit acknowledgement ('Acks'), and originating nodes can retransmit until implicit acknowledgments (&#x201c;Acks&#x201d;) are &#x201c;heard,&#x201d; indicating a successful link relay. Implicit acknowledgment can be applied to bidirectional networks, and bidirectional action can enable all nodes in the network to know the status of all other nodes.

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Calgary, Canada

Celine J Martineau