Identified deposits from which conventional crude oil can be extracted profitably at current prices with current technology.

A thick, sticky tar-like heavy oil with a high sulfur content

Deposit of a mixture of clay, sand, water, and varying amounts of a tar-like heavy oil known as bitumen.

Freeing oil or natural gas that is tightly held in rock deposits by using perforated drilling well tubes with explosive charges to create fissures in rock

Method for extracting oil or natural gas from underground deposits by first drilling down and then using a flexible drilling bore to drill horizontally to gain greater access to oil and gas deposits.

Chemicals obtained by refining (distilling) crude oil.

Complex process in which crude oil is heated and vaporized in giant columns and separated (by use of varying boiling points) into various products such as gasoline, heating oil, and asphalt.