Q-1A) Identify if TRUE or FALSE, give an explanation for the FALSE ones only). a. If a homogenous piece of rock is cut into two pieces, then each one will have the same formation factor. h Micro-resistivity log can be used in oil-based mud and water-based mud systems. . In a water bearing formation, Ro is equal to the Rt.

Elements Of Electromagnetics
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Q-1A) Identify if TRUE or FALSE, give an explanation for the FALSE ones
only).
a. If a homogenous piece of rock is cut into two pieces, then each one will have the same formation
factor.
h Micro-resistivity log can be used in oil-based mud and water-based mud systems.
L. In a water bearing formation, Ro is equal to the Rt.
d. A high GR value always indicates the presence of shale.
e One of the most important application of the SP log is to measure the formation permeability.
L Caliper log shows a smaller reading that the bit size for evaporite (Salt) layers.
g. If the micro-Inverse and micro-Normal logs exhibit positive separation, the permeability of the
formation is small.
b. A reverse/positive SP deflection occurs when Rmf< Rw.
i Water Saturation is defined by the ratio of water volume to the bulk volume of a rock.
i The higher formation porosity, the larger invasion diameter.
k. Induction log measures the formation resistivity.
L Well-logging measurements are recorded while puling the tool up at speed of about 2000 ft/hour.
Transcribed Image Text:Q-1A) Identify if TRUE or FALSE, give an explanation for the FALSE ones only). a. If a homogenous piece of rock is cut into two pieces, then each one will have the same formation factor. h Micro-resistivity log can be used in oil-based mud and water-based mud systems. L. In a water bearing formation, Ro is equal to the Rt. d. A high GR value always indicates the presence of shale. e One of the most important application of the SP log is to measure the formation permeability. L Caliper log shows a smaller reading that the bit size for evaporite (Salt) layers. g. If the micro-Inverse and micro-Normal logs exhibit positive separation, the permeability of the formation is small. b. A reverse/positive SP deflection occurs when Rmf< Rw. i Water Saturation is defined by the ratio of water volume to the bulk volume of a rock. i The higher formation porosity, the larger invasion diameter. k. Induction log measures the formation resistivity. L Well-logging measurements are recorded while puling the tool up at speed of about 2000 ft/hour.
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