1000+ Petroleum Formation Evaluation Questions & Answers - 1
Question: 1
Which of the following is the example of radioactive log?
(A) density log
(B) induction log
(C) sp log
(D) none of the above
Ans: A
density log
Question: 2
What type of log would be used to detect the presence of hydrocarbons while drilling?
(A) cutting analysis
(B) mud log
(C) sonic log
(D) none of the above
Ans: B
mud log
Question: 3
There are known effects of gas on logging tool responses. Which of the following statements is correct?
(A) Sonic log porosities are reduced by gas
(B) NMR log porosities are reduced by gas
(C) Neutron log porosities are increased by gas
(D) Density log porosities are not affected by gas
Ans: B
NMR log porosities are reduced by gas
Question: 4
______ measures the travel time of P-wave from one end to the other end of the sonde.
(A) Sonic log
(B) Neutron log
(C) Resistivity log
(D) Density log
Ans: A
Sonic log
Question: 5
Which log can differentiate movable water from immovable water?
(A) Gamma ray
(B) NMR log
(C) Porosity log
(D) Density log
Ans: B
NMR log
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