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real-time data

1. n. [Formation Evaluation]

With reference to measurements-while-drilling (MWD), the data transmitted to surface shortly after being recorded. These are distinct from the recorded data. Only a subset of the recorded data can be transmitted as real-time data because of the limited data rate of MWD telemetry systems. This reduces the number of channels, the sample interval, or both, in the real-time data.

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