Which of the following(s) is(are) false about porosity logging? a. Bulk density and neutron log should read very similar value of porosity for a liquid filled sandstone zone with no shale b. Bulk density should read much higher porosity than neutron log for a gas filled sandstone zone with no shale c. All porosity logs (Bulk density, Neutron, Sonic) assume a certain lithology and fluid in the pore space in order to estimate porosity d. Sonic log should read much higher porosity than neutron log for a liquid filled shale zone with high clay content

Chemistry
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Which of the following(s) is(are) false about porosity logging?
a. Bulk density and neutron log should read very similar value of porosity for a liquid filled
sandstone zone with no shale
b. Bulk density should read much higher porosity than neutron log for a gas filled
sandstone zone with no shale
c. All porosity logs (Bulk density, Neutron, Sonic) assume a certain lithology and fluid in the
pore space in order to estimate porosity
d. Sonic log should read much higher porosity than neutron log for a liquid filled shale zone
with high clay content
Which of the following(s) is(are) false about compressibility?
a. It is affected by hysteresis
b. Bulk compressibility is larger than pore compressibility
c. Compressibility can impact how much reservoir can produce
d. Compressibility can significantly impact subsidence
Which of the following(s) is(are) true about permeability?
a. Gas permeability is higher than liquid permeability in the reservoir
b. Permeability is an intrinsic property
c. Average permeability for parallel flow is higher than series flow average permeability
d. Permeability measured in turbulent flow will be higher than permeability measured in
laminar flow if using Darcy flow equation for both
Transcribed Image Text:Which of the following(s) is(are) false about porosity logging? a. Bulk density and neutron log should read very similar value of porosity for a liquid filled sandstone zone with no shale b. Bulk density should read much higher porosity than neutron log for a gas filled sandstone zone with no shale c. All porosity logs (Bulk density, Neutron, Sonic) assume a certain lithology and fluid in the pore space in order to estimate porosity d. Sonic log should read much higher porosity than neutron log for a liquid filled shale zone with high clay content Which of the following(s) is(are) false about compressibility? a. It is affected by hysteresis b. Bulk compressibility is larger than pore compressibility c. Compressibility can impact how much reservoir can produce d. Compressibility can significantly impact subsidence Which of the following(s) is(are) true about permeability? a. Gas permeability is higher than liquid permeability in the reservoir b. Permeability is an intrinsic property c. Average permeability for parallel flow is higher than series flow average permeability d. Permeability measured in turbulent flow will be higher than permeability measured in laminar flow if using Darcy flow equation for both
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