Extracting oil from bituminous sand

Extraction and upgrading of bitumen from oil sands

Extraction of a component from a composition using...

Extraction of bitumen from bitumen froth and biotreatment of...

Extraction of bitumen from oil sands

Extraction of bitumen from oil sands using lime

Extraction of bitumen from tar sands with cavitation

Extraction of bitumen oils (tar) from tar sands

Extraction of gases evolved in the charging of coke ovens

Extraction of hydrocarbon oils using a combination polar...

Extraction of hydrocarbons from hydrocarbon-containing...

Extraction of hydrocarbons from hydrocarbon-containing...

Extraction of oil from oil shale and tar sand

Extraction of oil from sand

Extraction of oil from stable oil-water emulsions

Extraction of oil using amides

Extraction of petroleum distillates with mixed solvents

Extraction of reusable water from a mineral mining process

Extraction of tar sands with liquid sulfur dioxide

Extraction of tar-containing gases leaking from coke oven doors