US4053390A
|
|
Start-up procedure for a residual oil processing unit
|
US4059502A
|
|
Catalyst withdrawal
|
CA1016863A
|
|
In situ production of bitumen from oil shale
|
US3972801A
|
|
Oil shale retorting
|
US3915234A
|
|
In situ production of hydrocarbon values from oil shale using H{HD 2{B S and CO{HD 2{B
|
DE2429767A1
|
|
Oil shale retorting process - with shale heated by contact with recycled heated spent shale
|
US3882941A
|
|
In situ production of bitumen from oil shale
|
US3905892A
|
|
Process for reduction of high sulfur residue
|
US3888761A
|
|
H-oil process
|
US3830728A
|
|
Hydrocracking and hydrodesulfurization process
|
US3772211A
|
|
Process for semi-continuous regeneration of catalyst with wash liquid in a closed system
|
US3784462A
|
|
Process and apparatus for oil shale retorting
|
US3708569A
|
|
Burning unconverted h-oil residual
|
US3698876A
|
|
Vapor liquid separation apparatus
|
RO63167A
|
|
Process for the hydrogenation of petroleum heavy residues
|
SU629887A3
|
|
Method of hydraulic cracking of asphalt-containing petroleum raw material
|
US3645887A
|
|
Heavy oil hydrogen treating process
|
US3630887A
|
|
Residual oil hydrogen treating process
|
US3630687A
|
|
Liquid drawoff apparatus
|
US3623974A
|
|
Hydrotreating a heavy hydrocarbon oil in an ebullated catalyst zone and a fixed catalyst zone
|