Heavy oil.

Asphaltenes = chemical transformation during hydroprocessing of heavy oils / by: (Language materials, printed)

Heavy and extra-heavy oil upgrading technologies by: (Language materials, printed)

Heavy oil production processes by: (Language materials, printed)

Heavy oil production processes by: (Language materials, printed)

Heavy oil recovery and upgrading / by: (Language materials, printed)

Heavy oil.

Enhanced oil recovery.

Petroleum engineering

Oil well drilling.

Petroleum

Feedstock.

Hydrocracking.

Hydrogenation.