OLUYEMI, G.F. and AFOLABI, T.S. 2018. Optimisation of hydraulic fracture placement design in anisotropic shale reservoirs using azimuthal LWD sonic and spectral gamma ray analysis. International journal of petroleum engineering [online], 3(2), pages 83-94. Available from: https://doi.org/10.1504/IJPE.2018.093154