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XACT DOWNHOLE TELEMETRY INC.
| XACT DOWNHOLE TELEMETRY INC. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100135117 | Downhole Timing Recovery and Signal Detection - The present invention relates to telemetry apparatus and methods, and more particularly to acoustic telemetry apparatus and methods used in the oil and gas industry. More specifically, the invention relates to a method for enhancing a received signal transmitted by acoustic telemetry through a drill string by modifying the received signal by a multiplication of the received signal with a second waveform. | 06-03-2010 |