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The tortuosity of a sandstone rock has a porosity of 21% will equal to a. 1 b. 1.96 c. 0.9 d. 2.18 At the rig site and to obtain formation properties, wireline open hole logging is conducted by the rig company not by another con to save operating cost. Select one: True False To obtain formation properties by wireline logging, the measurements are taking at the rig site .. a. Before drilling the well b. After casing the well C. Before casing the well d. After well completion CLEAR MY CHOICE To obtain formation properties, open hole wireline logging is conducted during production of a weil. Select one: True False Porosity is defined as a measure of the void space available in the rock for storage of HC only. Select one: True False In well loeging. water saturations inside the porous medium of the reservoir rock can be measured indirectly to obtain them ty some secisi loeging tools and therefore after that HHC saturations can be obtained. Seley one: True Fatse