If the average geothermal gradient in an area is 15°C/km,how deep must oil shale be buried in order for it to transform into oil?
A) greater than 10 km but no more than 15 km
B) greater than 3 km but no more than 6 km
C) greater than 6 km but no more than 15 km
D) greater than 6 km but no more than 10 km
Correct Answer:
Verified
Q2: Chemically,oil and gas are both _.
A) pure
Q5: _ is/are an example of conventional hydrocarbon
Q6: Which of the following would make the
Q7: Why are source rocks always sedimentary?
A)Sedimentary rocks
Q8: A black,organic-rich shale could likely serve as
Q9: A reservoir rock contains _ porosity and
Q14: If oil shale is buried deep enough
Q15: In the subsurface,nonbiogenic natural gas _.
A)consists of
Q32: Shale,salt,and fine-grained limestone are all good candidates
Q50: Coal is formed when heat and pressure
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