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Borehole logging enhanced

Soil Engineering has adopted the KeyLogbook system developed jointly by Equipe Geosolutions and Keynetix in a bid to improve borehole logging and make the data easier to use.

The KeyLogbook system is based on a touch-screen tablet computer that is used in the field to record data and uses on-screen prompts to ensure the data required by the relevant Eurocodes is completely and correctly collected at source. The workflow can be optimised depending on whether the drilling method is cable percussion, rotary coring, open holing or dynamic sampling.

The system also improves sample labelling by linking the tablet to a printer via Bluetooth to produce labels that carry a unique bar-coded sample identification number to aid subsequent sample tracking from site, to subsequent sample storage and throughout the testing processes.

Soil Engineering started working with Keynetix and Equipe to help trial and develop the system two years ago and first used it on a live project late last year.

According to Soil Engineering, the system has a number of benefits, including the ability to transmit all the data from each rig from the tablet to an FTP site where it is automatically filed sequentially in its own folder. Data comprises PDF files of the “Drillers Daily Sheet” and any associated installation drawing or insitu permeability test results, together with the associated AGS data and measure sheet and even an invoice if required. This immediate availability of data without the need for retyping from hand-written sheets allows for a quicker, more efficient turnaround of borehole logs and thus enables better informed operational and technical decisions to be made.

Soil Engineering business development manager Natalie Fennell said: “For the drillers it eliminates the time spent hand writing daily sheets and numerous sample labels and allows more time for productive activities. For the engineer and client, it gives quicker availability of data so that informed decisions can be made about borehole termination and instrumentation requirements or laboratory test scheduling, as well as allowing improved budgetary control.”

Soil Engineering is now working to roll out the system across its entire ground investigation fleet and Fennell said that this adds to the Corescan 2 digital core scanning system and Drilling Parameter Recording on rotary drilling rigs that the company has already invested in.

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