What is a caprock?
Understand the Problem
The question is asking for a definition or explanation of what a caprock is, typically in the context of geology. Caprock refers to a hard layer of rock that lies above softer rock or sediment, often serving as a barrier for the migration of fluids, such as oil and gas.
Answer
A resistant, impermeable rock layer that seals reservoir rocks.
Caprock is a more resistant, relatively impermeable rock layer that forms a barrier or seal above and around less resistant rock types, commonly reservoir rocks such as those containing hydrocarbons.
Answer for screen readers
Caprock is a more resistant, relatively impermeable rock layer that forms a barrier or seal above and around less resistant rock types, commonly reservoir rocks such as those containing hydrocarbons.
More Information
Caprocks play a critical role in the formation and preservation of hydrocarbon reservoirs by trapping oil and gas beneath them.
Sources
- Cap rock - Energy Education - energyeducation.ca
- caprock - The SLB Energy Glossary - glossary.slb.com
- Caprock - Wikipedia - en.wikipedia.org
