Summary
To quantify how rock-characterisation and fluid composition data change as a function of the pressure, S4CE will design and construct the laboratory apparatus that will allow us to connect to the high-pressure samples. The advanced high-pressure laboratory equipment is designed to replicate both (i) deep subsurface reservoir conditions and (ii) the transport of samples to the surface (decompression) to quantify gas release (hydrocarbons, gas content) and monitor the physical changes of gas-shale rock during decompression. S4CE will test the depressurisation method on synthetic /alternative samples in order to demonstrate the technique. This includes pressurising regular shale samples with known quantities of gas, and then decompressing them as planned in our custom-built equipment to quantify the amount of gas that would be extracted. The report will describe the site selection and subsurface geology providing context to the sample acquisition with this procedure, as well as a characterisation of the samples themselves.
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