What is the function of the "cap rock" in an oil reservoir?

Вопросы по геологии нефти

Quiz
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Special Education
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University
•
Easy
Bakhtiyar Kazhenov
Used 3+ times
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26 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To allow free flow of oil to the surface
To seal and hold oil inside the reservoir, acting as an impermeable barrier
To improve the permeability of the reservoir and facilitate extraction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is "kerogen"?
A liquid hydrocarbon that can be extracted directly from oil reservoirs
A solid hydrocarbon, insoluble in oil solvents, that generates oil when heated
A gaseous compound found in natural gas fields, used for energy
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a "source" in the context of oil generation?
A fine-grained, organically rich sediment capable of generating oil
A rock that serves as a reservoir for already formed oil
A type of rock used for capturing natural gas for extraction
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What fractions are produced during the distillation of crude oil in a distillation column?
Gasoline, kerosene, diesel fuel, fuel oil
Hydrogen, ammonia, carbon dioxide
Sulfur, methane, nitrogen gas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process by which kerogen decomposes into liquid hydrocarbons (oil) and gas?
Catagenesis
Diagenesis
Metagenesis
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the geochemical indicators used to assess historical temperatures experienced by sedimentary rocks?
Paleothermometers
Temperature ranges
Thermogenesis
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At what stage and under what conditions does the formation of natural gas begin when kerogen decomposes into gaseous hydrocarbons?
Metagenesis, at depths greater than 4 km and temperatures above 120°C
Diagenesis, at depths less than 2 km and temperatures below 60°C
Catagenesis, at depths between 2 and 4 km and temperatures between 60°C and 120°C
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