Discrete Buffering (x-series only)
This is a new mode of operation only available to users with X-Series TAS, X-Digitisers and a DFU. This facilitates a buffering of the data to increase the amount of tools available when taking discrete records at a given data rate.
This mode surpasses the previous DBU functionality where recording durations are no longer simply doubled but rather only adds the time required to buffer the additional tools.
2016 Maximum active receivers—Discrete Recording (number in brackets = Discrete Buffered X-Series with DFU)
Discrete Record String Planning Utility
When configuring your downhole string using ACQ acquisition software you can now click on ‘String Planning’ to provide a pop up table to guide the user on the maximum amount of tools they could run for a given sample rate or data rate, in addition to providing a colour coded matrix indicating viable data rate/sample interval combinations for that number of receivers.
- Specify the number of tools in the top left box e.g. 30. Then Specify if error control is on/off
- Left side table shows maximum available tools for each Sample Interval/Data Rate. A green highlighted number means the system can accommodate the number of tools specified. A red number means you need to reduce your number of receivers to that level in order to record. You will notice more tools are available when using X-series electronics with DFU compared to standard digitizers (facilitated by the downhole buffering).
- The right hand matrix indicates the available sample interval and data rate combinations for the number of receivers specified. Red cells mean recording is unavailable with Green cells meaning recording is available. Grey Cells mean recording is available for those data rate/sample interval combinations but are limited to less than the 120s discrete record length. The available max record length is therefore described in the grey cell as a red number
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