Explain the basic process by which petroleum migrates from a source rock and accumulates in a reservoir rock. Describe the peak oil theory and how it may affect the world economy. Explain why it will...

Explain the basic process by which petroleum migrates from a source rock and accumulates in a reservoir rock. Describe the peak oil theory and how it may affect the world economy. Explain why it will take years to scale up production of nonconventional oil resources to make up for declining supplies of conventional oil.