Abstract
This technical note gives preliminary results of tests made to demonstrate a laboratory-based method for the derivation of empirical relations between wireline log responses and certain physical and mechanical properties of rock. Large rock blocks in the form of cuboids with sides of about 0.8 metre were cored, logged and tested under laboratory conditions. In the tests four slimline logging tools were used (neutron, gamma, density and sonic) and unconfined compressive and Brazilian strength tests made on the cored samples. The experimental procedure is described and results are given for the three different sandstone blocks and one limestone block tested so far. The work is part of a broader effort to characterize bulk rock properties using laboratory and geophysical methods. (TRRL)
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