Q4 - B ) If the header of porosity logs indicates that the logs are recorded on a " limestone matrix" and fluid density is 1.0 g/ce. The density porosity reading is 15 % and the neutron porosity reading is 89 %. What is the most likely lithology of the formation ? The only choices are : Sandstone , Limestone , Shale. What type of HC you think this formation is saturated with ? Why ? ( 4 Marks )