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The petrophysical parameters are bad in most igneous reservoirs of Songliao Basin because of the very low porosity and permeability.The evaluation of igneous reservoirs has not been fully studied so far.The current technique of formation evaluation and interpretation used in sedimentary formations face a series of problems and difficulties.In this study,The PCA was used to identify lithology,a multi-mineral model “QAPM” was proposed.“Surface effect” must be considered when evaluating saturation.A software “SIMPLE” was developed and was used to deal with the logging data in over 70 wells with good results were achieved.
The petrophysical parameters are bad in most of the current technique of formation evaluation and interpretation used in sedimentary formations face a series of problems and difficulties. In this study, The PCA was used to identify lithology, a multi-mineral model “QAPM ” was proposed. “Surface effect ” must be considered when suggesting saturation .A software “SIMPLE ” was developed and was used to deal with the logging data in over 70 wells with good results were achieved.